The Weather Network

Thunderstorms:

What is a mesoscale convective system? How an ‘MCS’ can spell danger (June 21, 2025)

From nuisance to nightmare: Huge hail is an extreme danger (April 20, 2025)

High-risk U.S. severe weather days are exceptionally rare and dangerous (March 15, 2025)

How supercells grow to produce giant hail and intense tornadoes (August 9, 2024)

How an explosive thunderstorm can burst into the stratosphere (July 21, 2023)

Microbursts can turn a gentle storm into a harrowing ordeal (August 26, 2022)

CAPE is the potent fuel that powers a thriving thunderstorm (July 11, 2022)

Tornadoes:

Do tornadoes really ‘skip’ one house only to destroy another? (August 1, 2025)

Tornado debris can travel surprisingly far after a violent storm (July 26, 2025)

Twin twisters, tiny F5s: some of the oddest tornadoes on record (June 28, 2025)

Tornado season is underway in Canada. Here’s what you need to know (June 8, 2025)

Tornado, waterspout, landspout, gustnado: what’s the difference? (May 31, 2025)

These were seven of history’s most violent tornadoes (April 12, 2025)

Scud clouds are scary tornado lookalikes – how to tell them apart (August 4, 2024)

The frightening reason violent EF-5 tornadoes are so rare (April 28, 2024)

Stay prepared: Canada’s tornado season continues even as summer fades (August 18, 2023)

Tornadoes can happen anywhere—and cities aren’t immune (June 24, 2023)

Stuck in your car during a tornado? Here’s what you should do (June 3, 2023)

The technology that can spot hidden tornadoes lurking in storms (July 15, 2022)

‘This is a tornado emergency’: How forecasters warn of grave danger (June 4, 2022)

Don’t fall victim to these seven dangerous tornado myths (May 26, 2022)

Summer:

What is a heat dome? How these events generate deadly heat (August 16, 2025)

How the Great Lakes can trigger storms on a hot summer day (July 12, 2025)

Welcome to solar summer, the most intense sunshine of the year! (May 1, 2025)

Tired of humidity? Blame corn sweat for the muggy air (September 13, 2024)

‘Feel’ miserable out? How our bodies react when humidex values soar (June 17, 2024)

The Great Lakes may have a thunderous effect on your summer weather (June 1, 2024)

Heat, hurricanes, haboobs—deserts are a hotbed of extreme weather (August 20, 2023) 

Why extreme heat is one of the world’s deadliest weather disasters (August 19, 2022)

How the driest places on Earth can see mammoth flooding rains (July 22, 2022)

‘Heat lightning’ is summer’s peaceful and misunderstood secret (June 11, 2022)

Hurricanes:

Destructive Atlantic hurricanes can still happen during El Niño (May 23, 2026)

Scientists work to uncover rare Mediterranean hurricanes (February 15, 2026)

Rare hurricanes can form during the wintertime (December 7, 2025)

Hurricanes are huge, scary, and vital to Earth’s systems (October 24, 2025)

How do Atlantic hurricanes get their names? (October 1, 2025)

How the Fujiwhara Effect forces hurricanes to dance (September 28, 2025)

The incredible history and tools of the Hurricane Hunters (September 28, 2025)

What does a hurricane’s ‘cone of uncertainty’ mean? (September 20, 2025)

What’s the difference between hurricanes, typhoons, and cyclones? (September 7, 2025)

Hurricane terms everyone should know as the season heats up (August 30, 2025)

The high-stakes factors that decide where a hurricane tracks (August 22, 2025)

How spaghetti models and cones help refine your forecast (November 16, 2024)

Why Florida’s west coast is so vulnerable to storm surge flooding (October 6, 2024)

Are hurricanes like giant tornadoes? Why their damage is so different (October 4, 2024)

Autumn can still produce intense hurricanes across the Atlantic (September 22, 2024)

A hurricane can explode in size after shedding its own eye (September 21, 2024)

‘ACE’ is the best way to measure a hurricane season’s ferocity (September 9, 2024)

Hurricane remnants can bring dangerous weather deep into Canada (August 31, 2024)

A stalled hurricane can produce disastrous flash flooding (August 5, 2024)

Why focusing on a hurricane’s category is downright dangerous (August 1, 2024)

Tropical tornadoes are a hidden danger in landfalling storms (July 13, 2024)

Eight of the strangest hurricanes we’ve ever seen (July 6, 2024)

Hurricane forecasts are better today than ever before—here’s how (June 30, 2024)

Tropical systems don’t need a name to trigger devastating floods (June 9, 2024)

How a mammoth hurricane rapidly intensifies in mere hours (September 7, 2023)

Saharan dust can make or break a monstrous Atlantic hurricane (July 27, 2023)

The curse of storm nine: Why so many “I” hurricanes are monsters (October 3, 2022)

How hot water fuels the world’s most powerful hurricanes (September 22, 2022)

A hurricane in Louisiana is a threat that keeps meteorologists awake at night (August 28, 2021)

Fall:

Beware the dangers of fall snowstorms across Canada (November 13, 2025)

The end of Daylight Saving Time affects sunsets, sleep, safety (October 31, 2025)

Why do frigid mornings keep getting colder after sunrise? (September 19, 2025)

What does a classic fall storm look like in your part of Canada? (September 11, 2024)

Beware the ‘witches of November’ howling over the Great Lakes (November 16, 2023)

Buried: Why the Great Lakes produce some of the world’s heaviest snow (November 17, 2022)

It’s not your imagination—here’s why fall is the foggiest season (November 3, 2022)

Nuclear snow? Seven strange ways humans can change fall weather (September 17, 2022)

Winter:

Why do the Great Lakes freeze unevenly? (February 8, 2026)

Snow and ice are heavy hazards that can damage trees, roofs (January 25, 2026)

Freezing levels are the invisible lines that control winter (January 17, 2026)

Why Florida’s iguanas fall from the sky when frigid air arrives (December 14, 2025)

A winter storm’s track and make or break your forecast (November 30, 2025)

How an intense snowstorm can match the ferocity of a thunderstorm (February 15, 2025)

Canada looks forward to a ‘January thaw’ every year. What is it? (January 30, 2025)

Thundersnow is a rare and electrifying experience (January 29, 2025)

What turns a snowstorm into a raging blizzard? (January 17, 2025)

Freezing rain and ice pellets are dangerous winter hazards (January 5, 2025)

Why the stars twinkle so brightly in your dark winter skies (December 29, 2024)

Which of these Christmas weather extremes would you rather endure? (December 21, 2024) 

Doppler radar can actually ‘see’ highway traffic on cold mornings (November 27, 2024)

What’s the snowiest month in your corner of Canada? (November 10, 2024)

Cold air damming can grip towns in a lengthy, frigid gloom (March 20, 2024)

What is a sluff? These common slides spell danger in the mountains (February 23, 2024)

Look around for these strange events when frigid air arrives (January 14, 2024)

What is the polar vortex? How it’s responsible for dangerous cold (January 5, 2024)

What is wind chill and why does it ‘feel’ so miserable? (November 29, 2023)

Canada’s cold air brings Mexico some of Earth’s most violent winds (November 3, 2023)

Canada’s magic number: What exactly makes for a ‘white Christmas’? (December 21, 2022)

How the tropics help produce big springtime snows on the Prairies (April 23, 2022)

How Colorado lows and Texas lows affect your weather in Canada (March 30, 2022)

Steer clear of a ‘snownado’ if you see one on a cold, sunny day (February 3, 2022)

Saskatchewan screamers are fast, sneaky storms with howling winds (January 25, 2022)

‘Weather bombs’: Explosive storms that create ferocious conditions (January 5, 2022)

Clouds:

Tule Fog can blanket California in a thick cloud for days (December 6, 2025)

What is cloud seeding? How scientists hope to generate rain (April 19, 2024)

Island churns out dozens of mesmerizing, swirling clouds (December 17, 2023)

Heads up! These six special clouds linger in our skies every day (April 27, 2023)

Forecasting:

New U.S. severe storm forecasts will benefit Canadian travellers (March 12, 2026)

ECCC launches new colour-coded Canadian weather alerts (November 26, 2025)

Do these six nuggets of weather folklore actually hold water? (April 5, 2025) 

Are your maps accurate? How these tools can struggle to capture our world (June 23, 2024)

Satellites can ‘see’ the turbulence that your next flight may hit (June 1, 2024)

How Omega blocks and Rex blocks can affect Canada’s weather (February 2, 2024)

A cavalcade of Colorado lows can send Canada’s forecast into upheaval (March 30, 2023)

How a simple weather balloon helps improve your daily forecast (February 20, 2023)

Why does your long-range forecast change so often? (October 15, 2022)

Why that wild weather map you saw on social media is probably bogus (January 14, 2022)

Travel:

Explore this lush, tropical getaway in the Pacific Ocean (May 14, 2026)

These are Canada’s parallel cities around the world (May 10, 2026)

The world’s busiest airports face these unique weather challenges (April 26, 2026)

Don’t miss this overlooked gem in the heart of Europe (April 25, 2026)

Why bad weather can wreak havoc on airline schedules (April 18, 2026)

Heading overseas? Know these four important travel risk levels (April 17, 2026)

Sapporo is a skiers paradise as one of the world’s snowiest cities (March 27, 2026)

San Francisco is a city of fog, history, and unforgettable sights (March 3, 2026)

Cancun’s ideal weather makes it Canada’s favourite tropical escape (February 22, 2026)

How airlines keep you safe in dangerous cold and extreme heat (January 23, 2026)

Six fascinating ways weather affects your daily flights (September 15, 2024)

Follow these tips for staying safe while driving in thick fog (January 25, 2024)

Six annoying ways weather forces airlines to cancel your flight (February 9, 2023)

General:

What are these mysterious booms heard around the world? (May 8, 2026)

April showers? A surprising springtime rain trend covers Canada (April 5, 2026)

Straits: How these geographic gateways keep the economy moving (March 21, 2026)

The bizarre stories behind the most unusual names on the map (February 21, 2026)

What’s a Pineapple Express? Diving into this robust atmospheric river (September 12, 2025)

How troughs and ridges affect the weather in your neighbourhood (August 24, 2025)

When and where could a tsunami happen in the Atlantic Ocean? (August 21, 2025)

Earthquakes are a risk in Canada. Here’s how to stay safe (May 2, 2025)

How Doppler radar revolutionized weather and saves lives (April 19, 2025)

What is a tsunami? How these powerful waves spell coastal danger (April 13, 2025)

Tsunami safety tips: What to do if these dangerous waves threaten (April 13, 2025)

Virga is nature’s disappearing act hidden in plain sight (April 12, 2025)

Changes halfway around the world can affect your city’s weather (April 6, 2025)

What does a ‘normal’ spring look like across Canada? (March 16, 2025)

How dynamic and disruptive spring storms roar to life (March 6, 2025)

Gulfs, lakes and cities: How places get their names (February 13, 2025)

Why does your toilet water slosh around on a windy day? (October 20, 2024)

Six ways the weather can scar, shift, and snap the Earth itself (August 10, 2024)

What happens when El Niño and La Niña disappear? (July 14, 2024)

What is a state of emergency? How these orders help in a crisis (April 4, 2024)

Jet streams can bring Canada wild winters and steamy summers (February 17, 2023)

Decoding a mystery: What is a ‘trace’ of precipitation? (February 2, 2023)

Don’t let weather ruin your holiday baking with these sweet tips (December 15, 2022)

Watch Toronto ‘float’ above the horizon in this stunning mirage (April 28, 2022)

Monthly/Seasonal Normals:

JAN: January is normally Canada’s snowiest month from coast to coast (January 2, 2025)

FEB: February can bring Canada huge snowstorms and glimmers of hope (February 1, 2025)

MAR: Spring fever hits Canada in March, but snowstorms still lurk (March 1, 2025)

APR: A typical April’s weather across Canada is one wild ride (March 30, 2025)

MAY: May can bring Canada 30-degree heat and late-spring snows (April 26, 2025)

JUN: June can bring major heat waves, potent storms to Canada (May 31, 2025)

JUL: A normal July brings Canada drought, downpours, and dizzying heat (July 6, 2025)

AUG: Heat and storms linger as August starts Canada’s slide out of summer (August 3, 2025)

SEP: A typical September sends Canada heat, frost, hurricanes, and snow (September 1, 2025)

OCT: Ready or not, October snows can and will fall across Canada (October 1, 2024)

NOV: Snowy surprises can blanket Canada during a typical November (November 1, 2024)

DEC: Get ready: Snow piles up in a hurry across Canada in December (December 1, 2024)

WET: What’s the wettest month in your corner of Canada? (June 14, 2025)

HOT: When is the hottest stretch of the year in your corner of Canada? (July 31, 2025)

COLD: When is the coldest stretch of the year in your corner of Canada? (January 3, 2026)

General:

The Super El Niño that contributed to tens of millions of deaths (May 22, 2026)

Snow in Florida? The rare storms that hit the Sunshine State (January 16, 2026)

From Camille to Katrina, the Category 5 storms that shaped history (September 27, 2025)

-16C or 28C? How Super Bowls stack up through history (February 6, 2025)

Seven times weather unexpectedly changed the course of history (December 7, 2022)

Dated:

1/14: The ‘surprise’ hurricane that formed in the middle of January (January 14, 2026)

2/1: The Groundhog Day Blizzard was a billion-dollar disaster (February 1, 2026)

2/15: The blizzard that caused an avalanche in St. John’s, Nfld. (February 15, 2026)

2/18: White Juan was one of the East Coast’s worst blizzards (February 18, 2026)

2/27: Storm Xynthia killed dozens when it slammed into France (February 27, 2026)

3/4: The Prairies blizzard that caused 12-metre snow drifts (March 4, 2026)

3/10: Heavy ice contributed to the 1989 crash of Air Ontario Flight 1363 (March 10, 2026)

3/12: Storm of the Century spawned historic snows, destructive twisters (March 12, 2026)

3/22: The sudden spring snowstorm that buried southern Quebec (March 22, 2026)

4/3: The ‘Super Outbreak’ was the strongest tornado outbreak on record (April 3, 2026)

4/4: A tornado outbreak caused Georgia’s deadliest plane crash (April 4, 2026)

4/10: 408 km/h: The island that saw the world’s strongest wind gust (April 10, 2026)

4/11: The historic outbreak that spawned twin tornadoes (April 11, 2026)

4/18: The Great Quake of 1906 nearly wiped San Francisco off the map (April 18, 2026)

4/26: Weather made the Chernobyl nuclear disaster even worse (April 26, 2026)

4/27: The most prolific tornado outbreak tore grass out of the ground (April 26, 2025)

5/6: Calgary’s biggest one-day snowfall events occurred in May (May 6, 2025)

5/15: This was one of eight rare hurricanes in the Atlantic basin (May 15, 2026)

5/18: The world’s largest landslide cause Mount St. Helens to erupt (May 18, 2026)

5/22: Joplin’s EF-5 tornado destroyed 3,000 homes and an entire hospital (May 22, 2026)

5/26: The day radioactive hail fell on Washington, D.C. (May 26, 2025)

5/29: Fog caused one of Canada’s deadliest-ever shipwrecks (May 29, 2026)

6/4: At 270 km/h, Cyclone Gonu was this region’s strongest-ever storm (June 4, 2026)

6/9: The heat burst that sent readings to 38°C at midnight (June 9, 2026)

6/12: Mount Pinatubo’s cataclysmic eruption happened during a typhoon (June 12, 2025)

6/30: Canada’s deadliest tornado levelled hundreds of homes in Regina (June 30, 2025)

7/12: The deadly heat wave that spawned a destructive Ontario derecho (July 12, 2025)

7/20: The 2003 heat wave in Europe killed more than 30,000 people (July 20, 2025)

8/2: A thunderstorm contributed to one of Toronto’s worst plane crashes (August 2, 2025)

8/5: Calgary’s 2024 hailstorm was one of Canada’s costliest disasters (August 5, 2025)

8/28: Why Hurricane Katrina’s storm surge was uniquely destructive (August 28, 2025)

9/21: The Long Island Express was one of history’s worst hurricanes (September 21, 2025)

10/6: A tornado caused the 1981 crash of a commercial jet (October 6, 2025)

10/12: Typhoon Freda fuelled one of the West Coast’s most destructive storms (Oct. 12, 2025)

10/20: Halifax saw nearly 40 cm of snow during the October 1974 storm (October 20, 2025)

12/10: December’s largest tornado outbreak killed dozens of people (December 10, 2025)

12/23: Calgary was warmer than Miami the Christmas it snowed in Florida (December 24, 2023)

2026

The pros and cons of an El Niño summer across Canada (May 30, 2026)

Atlantic hurricane season outlook released, with a major catch (May 21, 2026)

Huge ‘pineapple’ size 18 cm hailstone shatters Texas state record (May 1, 2026)

El Niño may hand Western Canada a warm, dry summer (April 19, 2026)

Eastern Canada may endure a rocky, changeable summer ahead (April 17, 2026)

This AI weather model helped predict 2025’s huge hurricanes (April 11, 2026)

La Niña is over and a strong El Niño may arrive this summer (April 9, 2026)

Experts issue 2026 hurricane outlook, what it could mean for Canada (April 9, 2026)

The last strong El Niño quadrupled this region’s sea level rise: study (March 27, 2026)

Are we on the cusp of a “Super El Niño?” Here’s how strong it may grow (March 20, 2026)

Why early-season tornadoes keep hitting near the Great Lakes (March 15, 2026)

A potentially strong El Niño will develop by this summer (March 12, 2026)

Hurricane Melissa retired in major milestone for the Atlantic (March 7, 2026)

Hurricane Melissa ties as the strongest Atlantic hurricane (February 26, 2026)

El Niño possible later this year as La Niña fades (February 12, 2026)

Experts are changing how we measure El Niño and La Niña (February 6, 2026)

Snowstorm from space: Ontario’s stunning post-snowfall reveal (January 31, 2026)

Greenland is a pristine gem of the Arctic. It’s warming fast (January 17, 2026)

El Niño incoming? Forecasters see signs of big changes ahead (January 8, 2026)

Ready for sunsets after 5 p.m.? They’re on the way in Ontario (January 8, 2026) 

2025

Tragic floods, historic twisters struck around the world in 2025 (December 30, 2025) 

Record rains revive a dry, ancient lake in Death Valley (December 14, 2025)

Snowbirds may be in luck this winter with a favourable forecast (December 6, 2025)

The strongest nor’easters are getting even stronger, study finds (December 4, 2025)

After three Category 5 storms, a historic hurricane season ends (November 30, 2025)

As Canada’s drought grows, rains keep dousing this fire-prone region (November 23, 2025)

406 km/h: Hurricane Melissa’s confirmed wind gust sets record (November 23, 2025)

Freezing nights are disappearing across Canada as the climate warms (October 12, 2025)

Officials confirm one of the highest-elevation twisters on record (October 4, 2025)

Study urges forecasters to adopt new hurricane intensity scale (September 18, 2025)

Japan recently saw its strongest tornado on record: report (September 14, 2025)

‘Unprecedented’ failure in the Pacific Ocean stuns scientists (September 13, 2025)

Hurricane Maria killed thousands—experts want to prevent a repeat (September 6, 2025)

See the aftermath of Canada’s prolific fires from space (August 23, 2025)

Major hailstorm pelts Paris as severe storms sweep France (May 3, 2025)

Greenery booms after a year’s worth of rain hits Australian Outback (May 1, 2025)

U.S. tornado count nears 500—when is it Canada’s turn? (April 12, 2025)

La Niña is over. What’s next? (April 10, 2025)

Uncertainty lingers as La Niña likely fades in the weeks ahead (March 15, 2025)

Your town will see a huge jump in daylight hours this March (March 4, 2025)

Florida saw more snow in January than these Canadian cities (February 1, 2025)

Montreal notches its coldest morning in nearly two years (January 25, 2025)

Global temperature records smashed despite recent cold snap (January 24, 2025)

Presidential inaugurations have seen blizzards and the polar vortex (January 17, 2025) 

La Niña is officially here—what it could mean for the rest of winter (January 9, 2025)

Canada was so cold Friday that it ‘tricked’ weather satellites (January 3, 2025) 

The Great Lakes can protect southern Ontario from extreme cold (January 3, 2025)

2024

Floods and twisters: The world’s biggest weather stories of 2024 (December 27, 2024) 

An astronaut caught this fascinating, unique view of Earth (December 26, 2024)

Snowbirds face a U.S. winter marked by La Niña’s thumbprint (December 20, 2024)

La Niña watch remains in effect heading into this winter (November 14, 2024)
Historic dry streaks spark fires, worst drought in 20 years (November 10, 2024)

Rafael is November’s first major Gulf hurricane in nearly 40 years (November 8, 2024)

Rare Sahara Desert rains filled lakes that hardly ever see water (November 2, 2024)

El Niño is over, but concern grows over steamy ocean waters (October 27, 2024)

What does a ‘missing’ La Niña mean for Canada’s winter? (October 26, 2024)

A ‘weak’ La Niña is likely as Canada heads into this winter (October 11, 2024)

How weather could swing the 2024 U.S. presidential election (October 5, 2024) 

Conditions favourable for La Niña to develop through this winter (September 14, 2024)

Earth saw its warmest August on record as unprecedented heat persists (September 12, 2024)

Rare desert rains may have stifled Atlantic hurricanes—for now (August 31, 2024)

Atlantic hurricane activity could pick up in time for Labour Day (August 25, 2024)

Hurricanes ahead? Experts expect La Niña to emerge by this fall (August 10, 2024)

El Niño is over—but La Niña may arrive during peak hurricane season (June 20, 2024)

How a U.S. heat dome could bring severe summer storms to Canada (June 2, 2024)

The Atlantic Ocean’s high fever could fuel an ugly hurricane season (May 29, 2024)

Ominous signs for hurricane season as Atlantic swelters, La Niña looms (May 23, 2024)

What La Niña could mean for Canada’s upcoming summer (May 10, 2024)

Experts predict an extremely active 2024 Atlantic hurricane season (April 4, 2024)

Canada’s widespread drought may fuel the upcoming wildfire season (March 23, 2024)

Record warmth melts Great Lakes ice to historic February lows (February 11, 2024)

Sick of winter? Look on the bright side: we’re halfway to spring! (January 19, 2024)

2023

Enormous storms, gravity waves–this is your amazing planet today (December 31, 2023)

Millions to begin 2024 amid a historic, years-long snow drought (December 30, 2023)

Experts confirm huge B.C. blaze spawned a fire-generated tornado (December 23, 2023)

2023 was the year of massive hail across North America (December 27, 2023)

Floods, fires, heat: The world’s worst weather disasters in 2023 (December 27, 2023)

Snowbirds face a stormy winter as El Niño influences U.S. patterns (December 3, 2023)

Canada’s next solar eclipse could change the weather (October 15, 2023)

Giant Antarctic ozone hole grows 2.5 times bigger than Canada (October 8, 2023)

How a U.S. government shutdown may affect weather and disaster prep (September 29, 2023) 

A world first, every tropical ocean saw a Category 5 storm in 2023 (September 8, 2023)

Surprise! This year’s hurricane season started with a storm in January (May 11, 2023)

How the Pacific warming faster than expected might affect Canada’s summer (May 4, 2023)

Heads up, travellers: Florida’s severe drought raises fire worries (April 23, 2023)

Uncertainty swirls around 2023 hurricane season as El Niño looms (April 14, 2023)

Heat incoming? Two ways El Niño could affect Canada’s summer (April 13, 2023)

Fiona and Ian retired as hurricane names after devastating storms (March 29, 2023)

La Niña is finally over. What does it mean for Canada’s forecast? (March 11, 2023)

Could a sudden North Pole warmup prolong Canada’s winter weather? (March 4, 2023)

Experts find that Canada tied its all-time tornado record in 2022 (February 11, 2023)

Deadly storms produced near-record number of twisters in January (February 4, 2023)

New York City is on the verge of its all-time longest snow drought (January 26, 2023)

2022

Hurricane Sandy, ten years later: how a tragedy improved your forecasts (October 29, 2022)

Beware the sleepy start to hurricane season—August heats up fast (July 29, 2022)

Experts call for another active Atlantic hurricane season in 2022 (April 7, 2022)

March may have shattered a huge tornado record two years in a row (April 2, 2022)

A topsy-turvy year saw more twisters in Ontario than Oklahoma (January 1, 2022)

2021

Sailing a drone into a hurricane could help predict ferocious storms (October 1, 2021)

Experts call for an active hurricane season as the tropics rumble awake (August 4, 2021)

Canada takes centre stage in a dramatic month of global weather disasters (July 30, 2021)

2026

700+ mm of rain in 72 hours: how does it compare to Canada? (June 18, 2026)

Europe faces another sizzling, early-season heat wave (June 14, 2026)

Abnormally dry conditions cover a quarter of Canada to start summer (June 13, 2026)

Canada’s high-impact severe risk draws U.S. storm chasers (June 9, 2026)

Dangerous severe storm setup threatens very large hail, wildfire risk (May 17, 2026)

Latest forecast warns a very strong El Niño could emerge soon (May 14, 2026)

500+ tornadoes so far in 2026, but Tornado Alley is coming up short (May 9, 2026)

Confidence increasing in a very strong El Niño by this summer (May 7, 2026)

Will Canada’s chilly pattern help bust Florida’s exceptional drought? (May 1, 2026)

A tale of two extremes sends temperatures soaring into the 40s (April 26, 2026)

Strongest tornado so far in 2026 confirmed on Thursday (April 24, 2026)

Softball size hail possible as marathon severe storms continue (April 17, 2026)

A direct strike from a major typhoon is possible on Guam (April 10, 2026)

Cyclone Maila is a very unusual storm set to rapidly intensify (April 5, 2026)

7.5 trillion litres of water fell on Hawaii during recent storms (April 4, 2026)

Historic heat dome may fuel summer wildfires, growing drought (March 29, 2026)

Canada issues travel alert amid severe flooding, landslides (March 28, 2026)

Water restrictions issued in Florida as extreme drought worsens (March 27, 2026)

Blazing hot: 1,000+ records fall in brutal March heat wave (March 22, 2026)

Alert issued as plume of volcanic ash reaches West Coast (March 21, 2026)

Flash flood emergencies hit Hawaii as heavy rain returns (March 20, 2026)

Historic U.S. heat wave will influence Canada’s weather next week (March 14, 2026)

How this violent, deadly tornado hit a wintry landscape (March 7, 2026)

Florida parched as extreme drought grows across the state (February 14, 2026)

Bermuda, Cuba both witness lowest temperatures ever recorded (February 8, 2026)

Ontario, you’re breathing air straight from the North Pole (February 8, 2026)

Our world looks gorgeous from space this weekend (February 7, 2026)

The Great Lakes freezing over is good news for Ontario (February 7, 2026)

Brewing nor’easter drops 40 cm of snow in rare southern storm (February 1, 2026)

200,000+ outages remain almost a week after devastating ice storm (January 30, 2026)

Immense winter storm continues hammering U.S. into Monday (January 25, 2026)

200 million impacted by major ice, snow in generational storm (January 24, 2026)

160+ million at risk for destructive ice, major snowstorm (January 23, 2026)

‘Destructive’ ice storm, snowfall threatens millions across U.S. (January 22, 2026) 

Powerful cold front whips up intense Tehuantepecer winds (January 18, 2026)

Rare snowfall blankets northern Florida on Sunday (January 18, 2026)

California completely drought-free for the first time in 25 years (January 9, 2026)

Hawaii snow expected as robust storm sweeps Pacific islands (January 4, 2026)

Too cold to fly? Some flights in the Far North cancelled Sunday (January 4, 2026) 

2025

Dozens of records fall as U.S. sees warmest Christmas ever observed (December 26, 2025)

Christmas records in peril as holiday heat blankets North America (December 21, 2025)

Hawaii saw a rare tornado warning on Friday (December 20, 2025)

500+ mm of rain possible in California as potent atmospheric rivers arrive (December 19, 2025)

La Niña to continue into 2026, leaving thumbprint on winter weather (December 12, 2025)

La Niña continues, but these factors may matter more this winter (November 13, 2025)

Watch as winds create mesmerizing fields of gravity wave clouds (November 13, 2025)

Florida on alert for falling iguanas as Arctic air dives south (November 8, 2025)

A handful of Category 5 storms hasn’t saved the 2025 cyclone season (October 5, 2025)

Record-breaking Storm Amy hits the U.K. with ferocious winds (October 4, 2025)

Severe turbulence causes plane to descend 1,000+ metres in seconds (August 29, 2025)

An inside look at Hurricane Erin’s astounding rise to Category 5 (August 16, 2025)

La Niña watch issued for this winter as key factors signal change (August 14, 2025)

Believe it or not, 2025’s hurricane season is ahead of the curve (July 27, 2025)

Why has 2025 seen so much widespread, intense flash flooding? (July 19, 2025)

Wildfire spawned an intense fire-induced tornado, experts confirm (July 17, 2025)

Gulf tropical disturbance brings flash flood risk to millions (July 17, 2025)

Busy hurricane season still expected in updated Atlantic outlook (July 13, 2025)

La Niña could return in a quick burst this fall and winter (July 11, 2025)

Tornado outbreak confirmed after 10 twisters strike in one day (July 11, 2025)

U.S. notches 1,000 tornadoes in 2025, how does Canada compare? (July 4, 2025)

Erick shatters record as basin’s earliest major hurricane landfall (June 19, 2025)

Sunday severe weather outbreak may produce DVD size hail (June 8, 2025)

What to expect as the 2025 Atlantic hurricane season kicks off (May 31, 2025)

700+ twisters: U.S. seeing most active tornado season since 2011 (May 23, 2025)

Rare landspout tornado confirmed in British Columbia (May 23, 2025)

Canadian Hurricane Centre expects a busy season, urges preparedness (May 23, 2025)

Above-average Atlantic hurricane season likely in 2025, NOAA says (May 22, 2025)

Tornado scar visible from space after major severe weather outbreak (May 19, 2025)

Satellites capture thick smoke pouring out of Canadian blazes (May 15, 2025)

La Niña absent for hurricane season—but could lurk again by fall (May 9, 2025)

A major polar vortex disruption is influencing Canada’s weather (April 11, 2025) 

Historic flooding after 300+ mm of rain, severe storms hit U.S. (April 5, 2025)

Powerful storm sparks wildfire outbreak across southern U.S. Plains (March 14, 2025)

Months after Helene’s flooding, wildfires erupt in parched Carolinas (March 2, 2025)

Ready for a tease of spring? Thaw to spread across Canada (February 23, 2025)

Great Lakes have the most ice in years amid prolonged cold spell (February 21, 2025)

Another southern beach getaway blanketed by major snowfall (February 20, 2025)

La Niña’s last hurrah? Pattern could disappear by this spring (February 20, 2025)

This ‘Rex block’ will keep B.C. cold into February (January 30, 2025)

Great Lakes ice coverage skyrockets amid cold snap (January 23, 2025)

See the astounding satellite images of Florida’s historic snow (January 23, 2025)

Thousands of flights cancelled as biggest snowfall in years hits southern U.S. (January 10, 2025)

Major winter storm set to end 1,000+ day snowless streak (January 9, 2025)

No rain: Extreme Los Angeles rain deficit fuels raging wildfires (January 9, 2025)

Wicked U.S. blizzard strands drivers and cancels flights (January 5, 2025)

Beware falling iguanas as deep chill descends on U.S., Florida (January 4, 2025)

2024

Hulking storms surround Canada on the winter solstice (December 21, 2024)

La Niña enters stealth mode as pattern flies under the radar (December 12, 2024)

Records shattered as historic 2024 Atlantic hurricane season ends (November 30, 2024)

This factory accidentally generated a 160 km plume of snow (November 29, 2024)

Foul weather could hamper Thanksgiving travel across the U.S. (November 24, 2024)

Europe’s weekend bomb cyclone to rival B.C.’s intense storms (November 22, 2024)

Coldest air of the season to push into Canada to start December (November 22, 2024)

Two bomb cyclones in one week: How B.C.’s major storms compare (November 21, 2024)

Sara vs. Helene: How 2024’s worst tropical flood events compare (November 15, 2024)

How the Sun Belt saw snow before most major Canadian cities (November 7, 2024)

Hurricane Rafael triggers flood emergencies 800 km away (November 7, 2024)

Strong tornadoes level homes in Oklahoma, more possible into Monday (November 3, 2024)

Volcanic ash spotted over Florida on Saturday (October 26, 2024)

Historic desert heat wave shatters 19 consecutive records (October 12, 2024)

Sprawling storm sparks gravity waves in the skies over Canada (October 12, 2024)

How Hurricane Milton’s destructive surge mostly spared Tampa Bay (October 10, 2024)

How Hurricane Helene produced 700+ mm of rain in three days (September 27, 2024)

Northern lights possible over Canada (again!) (September 15, 2024)

Aurora alert: lights may sparkle over Canada Thursday night (September 12, 2024)

Hurricane warnings in Hawaii as islands face rare threat (August 24, 2024)

Hawaii on guard as tropical storm grows in the central Pacific (August 22, 2024)

Exceptionally rare Arctic heat wave shatters all-time records (August 8, 2024)

Raging fires cast a smoky pall over Eastern Canada’s clear skies (July 27, 2024)

Hot, dusty air is keeping Atlantic hurricane season quiet–for now (July 18, 2024)

Severe storms in China unleash huge hail, cherry blossom blizzard (April 20, 2024)

Look up: Swirls, sandstorms, and waves fill our pre-eclipse skies (April 8, 2024)

‘Severe’ geomagnetic storm may spark auroras over Canada Sunday night (March 24, 2024)

A new record, spring brings Ontario its coldest winter temperature (March 24, 2024)

Florida sunshine may turn stormy for some March break travellers (March 8, 2024)

Ontario’s exceptionally warm February landed in the records (March 2, 2024)

Vigorous storm threatens California with tornadoes, flash floods (February 18, 2024)

Atlantic ‘hurricane alley’ sees ominous mid-July heat in February (February 18, 2024)

Plans for Sunday’s big game? Canada’s forecast calls for it all (February 9, 2024)

All-time January heat records fall as astounding warmth hits North America (January 26, 2024)

Watch as thousands of cloud streets billow over the Atlantic (January 21, 2024)

Australia’s all-time heat record in jeopardy as temperatures soar (January 20, 2024)

Heads up! Falling iguanas possible in Florida as cold air hits (January 18, 2024)

Buffalo playoff game postponed, travel ban issued amid blizzard threat (January 12, 2024)

2023

Frigid air on the lam in Canada as unseasonable December rolls on (December 15, 2023)

Mammoth, continent-spanning storms surround Canada (December 10, 2023)

Active weekend ahead as a strong, straight jet stream aims for Canada (December 1, 2023)

A strange, historic 2023 Atlantic hurricane season finally ends (November 30, 2023)

5,000 km plume of tropical air fuels weather bomb, deadly floods (November 19, 2023)

Taylor Swift fan succumbs to sweltering heat ahead of Brazil show (November 19, 2023)

Desert chill may challenge Canada for coldest-ever Formula 1 race (November 12, 2023)

Iceland’s rumbling volcano could affect Canadian flights, commerce (November 11, 2023)

Vivid auroras possible over Canada for second weekend in a row (November 11, 2023)

Ice, snow, and frigid thunder: How Ontario saw it all on Wednesday (November 9, 2023)

Grab your camera: Sunday night auroras are possible over Canada (November 5, 2023)

Bermuda Triangle revives a ‘zombie’ storm in time for Halloween (October 27, 2023)

A ‘historically strong’ El Niño is possible heading into winter (October 13, 2023)

Season’s first blizzard warning issued for major Canadian highway (October 8, 2023)

Philippe vs. Lee: How Atlantic Canada’s two storms compare (October 5, 2023)

How a giant blockade over Canada will shatter October heat records (October 1, 2023)

Ontario’s incoming heat ridge helped fuel New York’s historic floods (September 30, 2023)

Explore our gorgeous planet in these stunning satellite images (September 24, 2023)

What a growing El Niño could mean for Canada’s upcoming winter (September 17, 2023)

Hurricane Idalia was so intense it may have blunted future storms (September 3, 2023)

Canada’s hot, fiery summer generating historic smoke emissions (August 7, 2023)

This Canadian city just endured its wettest month on record (July 29, 2023)

Nova Scotia’s historic rains would’ve smashed records in Florida (July 22, 2023)

Historic desert heat wave’s influence reaches all the way to Canada (July 15, 2023)

Canada’s Far North just saw its hottest temperature ever recorded (July 9, 2023)

All-time global heat record smashed for the third day this week (July 7, 2023)

Northern Ontario is hotter than Florida, claiming Canada’s hot spot (June 22, 2023)

El Niño is here for the summer—but how strong will it grow? (June 11, 2023)

This week’s abundant sunshine will pack a severe sunburn risk (April 9, 2023)

Violent tornadoes tear across U.S. during high-risk severe outbreak (March 31, 2023)

Damage, injuries after Los Angeles area’s strongest tornado in 40 years (March 23, 2023)

Canada’s warmest temperature of 2023 could arrive this weekend (March 17, 2023)

Calif. faces high-risk flood threat after weeks of drenching storms (March 9, 2023)

How vivid thundersnow stole the show in Toronto’s big snowstorm (March 4, 2023)

Two major snowstorms roar across Canada as March arrives in style (March 2, 2023)

Ice falls in Hollywood as wild setup fans Calif. blizzards, historic heat (February 24, 2023)

Blizzard near Los Angeles? Bizarre pattern spawns historic heat, ice storm (February 22, 2023)

PHOTOS: Intense Arctic outbreak creates towering steam devils (February 3, 2023)

Extreme winter warmth shatters thousands of records in Europe (January 2, 2023)

2022

This mammoth ‘block’ could spell wintry trouble for Eastern Canada (December 2, 2022)

‘Epic’ disaster: an inside look at this week’s catastrophic floods (July 30, 2022)

Snow, storms, and wild clouds: Canada’s week of extreme weather (June 17, 2022)

Jammed jet stream allows Norway to hit 20C before Toronto (April 21, 2022)

Toronto will be colder than the Arctic Circle this week (March 26, 2022)
Powerful storms unleash flooding at Florida’s Walt Disney World (March 8, 2022)

Hundreds flee Florida wildfires fuelled by category five hurricane’s damage (March 5, 2022)

How a powerful winter storm stretched over 4,500 km from Texas to Newfoundland (Feb. 4, 2022)

Why Ontario’s ‘snow snake’ caught many–including forecasters–off guard (January 27, 2022)

No stranger to brutal cold, Green Bay hosts frigid playoff game Saturday night (January 22, 2022)

An incredibly rare tropical cyclone might develop near Hawaii this week (January 20, 2022)

2021

Monday’s tornado in southern Ontario was one of the rarest in Canada (September 8, 2021)
Historic rains produce catastrophic, deadly flooding in Tennessee (August 22, 2021)

2026

The world’s longest flight takes 18 hours and flies 17,000 km (June 13, 2026)

Earth’s nighttime lights are rapidly changing, study shows (June 4, 2026)

Loud boom near Boston may have been an exploding meteor (May 30, 2026)

Weather radar detects powerful Florida rocket explosion (May 29, 2026)

Sinkhole at major airport causes hundreds of flight delays (May 21, 2026)

Jet stream pushes airliner’s 7,000+ km journey to the limits (May 14, 2026)

Towering Alaska megatsunami reached 481 metres high, experts say (May 8, 2026)

Heat waves are deadlier than previously thought, study finds (May 3, 2026)

Where was Canada 320 million years ago? New map lets you explore (May 2, 2026)

How does a river know where to bend? Turns out, it’s chaos (April 12, 2026)

NASA releases stunning photo of Earth from Artemis on its way to the Moon (April 3, 2026)

Will the global helium shortage affect weather forecasts? (April 2, 2026)

Asteroid impact likely caused a 100-metre tsunami, report finds (March 15, 2026)

Major sewage spill near Washington approaches largest in U.S. history (February 13, 2026)

Dozens missing after deadly Philippines landfill collapse (January 10, 2026)

A satellite tracked a tsunami from one of the world’s largest quakes (January 2, 2026)

2025

Huge Hunga-Tonga volcanic eruption altered atmosphere, report finds (December 25, 2025)

Mars spacecraft mysteriously goes silent, NASA investigating (December 13, 2025)

Solar radiation may impact flight controls, prompting urgent Airbus recall (November 28, 2025)

Iran’s president says moving capital ‘an obligation’ as Tehran sinks (November 23, 2025)

A sky-high mystery, did a meteorite strike this passenger jet? (October 19, 2025)

Dual hurricanes send beach homes crashing into the ocean (October 2, 2025)

Another major quake strikes Russia’s coast, no tsunami threat to Canada (September 18, 2025)

Tokyo officials release AI-generated video simulating Mt. Fuji eruption (August 31, 2025)

Texas storms triggered a ‘large and deadly flood wave’ (July 5, 2025)

Hailstorm forces airline to inspect 100 planes at major hub (June 28, 2025)

Amazon deforestation causing measurable drop in rainfall: study (June 14, 2025)

Scientists uncover a driving force behind deadly humid heat waves (May 23, 2025)

Why don’t people evacuate disasters? New study raises surprising explanations (May 19, 2025)

‘Striking’: Global oceans are warming fastest in two specific regions (May 11, 2025)

Study finds dozens of major cities sinking due to groundwater extraction (May 10, 2025)

Powerful Cascadia quake could trigger near-instant flood risk: report (May 4, 2025)

Ontario electricity rates now on summer hours—what it means for you (May 2, 2025)

Climate change may force airlines to leave some passengers behind, study finds (April 18, 2025)

These houses were hit by two tornadoes less than one year apart (April 4, 2025)

Brand new satellite to begin watching over Canada into the 2030s (April 3, 2025)

Deep U.S. cuts may affect Canadian hurricane forecasts this summer (Mar. 23, 2025)

Tsunami worries rise as thousands of earthquakes rattle Santorini (Feb. 6, 2025)

2024

Scientists make discovery about Mars’ mysterious, planet-circling dust storms (Dec. 28, 2024)

A U.S. government shutdown could affect weather forecasting, data (December 19, 2024)

Huge conservation success replenishes water for 40 million people (December 15, 2024)

Scientists discover stunning vegetation growth in Antarctica (December 15, 2024)

A man accidentally discovered a strong tornado using Google Earth (December 8, 2024)

Sea level rise threatens millions of Canadians by 2100, study finds (December 7, 2024)

Tsunami warnings cancelled after 7.0 earthquake hits California (December 5, 2024)

Winter darkness looms as Ottawa nears a sunset milestone (November 16, 2024)

Photos reveal dramatic aftermath of tornado hitting a solar farm (October 17, 2024)

Watch as a huge sinkhole swallows the middle of a soccer field (June 28, 2024)

Melting ice caps put the need for bizarre ‘negative leap second’ on hold (May 19, 2024)

The magical experience of a historic aurora outburst in the south (May 11, 2024)

Millions at risk as land sinks beneath major coastal cities, study finds (May 17, 2024)

Beware these adorable but dangerous blue dragons this spring (March 15, 2024)

Multiple earthquakes rattle California and Hawaii on Friday (February 9, 2024)

2023

Canadian researcher cracks 135-year-old ‘unsolvable’ code (December 17, 2023)

Canada, you’re a year away from a once-in-a-lifetime solar eclipse (April 9, 2023)

Swarms of bees can electrify the atmosphere, researchers find (January 11, 2023)

2022

Florida cold snap sends manatees scrambling to the shore for warmth (December 27, 2022)

Tonga volcano eruption was so violent it blew ash halfway to space (November 10, 2022)

Webb Telescope spots cosmic fingerprint a century in the making (October 15, 2022)

This birthday party staple is prone to tragedy with a gust of wind (August 18, 2022)

Barrage of baseball-size hail destroys crops in southeast Europe (May 28, 2022)

Intense derecho with 170 km/h winds kicks up towering dust storm (May 13, 2022)

This intense wildfire spawned a powerful severe thunderstorm (May 7, 2022)

Toilet explodes after powerful lightning bolt zaps through ceiling (May 5, 2022)

Crushing California drought could spell trouble for crops and wildfires (April 9, 2022)

A lake that provides power to millions just fell to a historic low (March 30, 2022)
What would permanent Daylight Saving Time look like in Canada? (March 18, 2022)
Three signs Canada is steadily marching toward spring weather (March 3, 2022)

Helium shortage hampers critical weather balloon launches (February 26, 2022)

A historic rogue wave off the B.C. coast towered nearly as tall as a jumbo jet (February 10, 2022)

2021

Swarm of earthquakes jolts seabed off the U.S. West Coast (December 10, 2021)

Weather radar captures rocket explosion (voiceover), May 29, 2026

Deadly flooding in Mexico (voiceover), October 12, 2025

Skydivers encounter full-circle rainbow (voiceover), September 25, 2025

What steers an Atlantic hurricane?, August 17, 2025

Wildfire smoke across Eastern Canada, August 3, 2025

World’s longest lightning flash (voiceover), July 31, 2025

Humidity makes heat more dangerous, July 27, 2025

Why the Prairies get major springtime snows, March 9, 2025

Breaking down the classic spring storm, March 2, 2025

Harbin Ice-Snow World (voiceover), December 22, 2024

Reporting on Hurricane Helene’s impacts, September 27, 2024

What is Accumulated Cyclone Energy?, September 9, 2024

Breaking down Hurricane Beryl’s strength, June 30, 2024

Canada’s summer severe weather risk, June 2, 2024

Experiencing a once-in-a-lifetime aurora, May 11, 2024

Explaining Mexico’s Tehuantepecer winds, November 2, 2023

Reporting on Tropical Storm Ophelia’s impacts, September 23, 2023

Discussing rapid intensification of hurricanes, September 10, 2023

Explainer on special types of clouds (voiceover), April 27, 2023

Hurricane Sandy ten-year anniversary (voiceover), October 28, 2022