Weather Articles

Three Dead, Hundreds of Thousands Lose Power as Post-Tropical Cyclone Ophelia Blasts Ireland, United Kingdom With High Winds

October 16, 2017

Ophelia brought high winds to Ireland and the U.K. as a post-tropical cyclone.

Much-Needed Pattern Change in West Will Bring Rain, Cooler Temperatures to Fire-Ravaged California Late Week

By Brian Donegan
October 16, 2017

Fire-ravaged northern California will finally get relief due to a change in weather pattern this week.

Invest 92L Could Develop Into a Tropical Depression or Tropical Storm Early This Week While Tracking Toward Bermuda

By Linda Lam
October 16, 2017

Invest 92L could develop into a tropical depression or tropical storm and impact Bermuda.

Dozens Remain Missing in California Wildfires, Officials Say

By Pam Wright
October 16, 2017

Here's the latest on the deadly wildfire situation in Northern California.

Spain, Portugal Wildfires Kill at Least 39; Spain's Prime Minister Alleges Arson

October 16, 2017

At least 39 have been killed and 50 more were injured amid the aggressive wildfires.

Post-Tropical Cyclone Ophelia Blasting Ireland, United Kingdom With Damaging Winds; Gusts Over 70 MPH Reported

By Brian Donegan
October 16, 2017

Ophelia is bringing high winds to Ireland and the U.K. as a post-tropical cyclone.

Khanun Striking Southern China With Strong Winds and Heavy Rain

By Linda Lam
October 15, 2017

Khanun is lashing southern China but will also impact Vietnam.

Containment of Massive California Wildfires Slowly Increases as Crisis Continues

October 15, 2017

Here's the latest on the deadly wildfire situation in Northern California.

2017 Atlantic Hurricane Season Now Seventh Most Active in History

By Jonathan Erdman
October 15, 2017

Thanks to Nate and now Ophelia, 2017 continues to inch up the all-time active seasons list.

4 Things to Know About This Week's Weather

By Brian Donegan
October 15, 2017

Find out what we are watching in the weather for October's third week.

Tornado Watch Issued: Threat of Severe Thunderstorms, Heavy Rain Returns to Midwest, Plains Into Saturday Night

By Linda Lam
October 14, 2017

A few severe thunderstorms may develop in parts of the Plains and Midwest this weekend.

Puerto Rico After Hurricane Maria: Death Toll Climbs to 48, Conditions Remain Dire

By Sean Breslin
October 14, 2017

In Puerto Rico, it has been weeks since Hurricane Maria devastated the island, but conditions haven't improved much.

Latest on Northern California Wildfires: At Least 35 Dead, 90K Left Homeless

October 13, 2017

Here's the latest on the deadly wildfire situation in Northern California.

'Aug-tober' to Keep Summerlike Warmth in Parts of the Midwest, East

By Brian Donegan
October 13, 2017

True fall-like air has been a rarity in parts of the Midwest, South and East this October.

Couple Survives Northern California Wildfire by Hiding in Pool

By Sean Breslin
October 13, 2017

They only had one option, and it saved their life.

At Least 40 Firefighters Continue to Battle Northern California Wildfires After Learning Their Homes Were Destroyed

By Sean Breslin
October 13, 2017

For some, the loss of their own homes wasn't enough to keep them off the front lines.

Wildfires Destroy at Least 6 Northern California Wineries

By Eric Chaney
October 12, 2017

At least six wineries have been destroyed by the wildfires ravaging northern California.

Why Wildfire Seasons Are Seemingly Getting Worse

By Sean Breslin
October 12, 2017

If you think wildfire seasons have been getting worse, you aren't alone.

California Wildfires Kill 31; Deadliest Week of Wildfires in State History

By Sean Breslin
October 12, 2017

Here's the latest on the deadly wildfire situation in Northern California.

Northern California Wildfires Kill 29; Nearly 400 Still Missing, Officials Say

October 12, 2017

Here's the latest on the deadly wildfire situation in Northern California.

Featured Blogs

Meteorology of Saturday's Colombian Flood Disaster That Killed 254

By Dr. Jeff Masters
3. april 2017

At least 254 people were killed in the in the city of Mocoa (population 40,000) in southwest Colombia near the border of Ecuador early Saturday, when torrential rains triggered a debris flow on a nearby mountain that surged into the town as a huge wall of water carrying tons of mud and debris. The disaster is the fourth deadliest weather-related disaster in Colombia’s recorded history.

Iconic American Destination Virtually Isolated for Rest of Year

By Christopher C. Burt
24. marec 2017

Half of the village of Big Sur, on the coast of central California, has lost its only access to the north following the demolition of the flood-damaged Pfeiffer Canyon Bridge along State Route 1 (also Rt. 1 or SR 1) on March 19. Although Rt. 1 to the south of Big Sur has reopened to traffic (after mud and rock slides were cleared) it is a long 70-mile journey along the windy but spectacular highway to Cambria, the next town of any significance where supplies can be had. CalTrans (California Department of Transportation) estimates it will take 6-9 months to rebuild a new bridge over the canyon.

An extraordinary meteorological event; was one of its results a 1000-year flood?

By Stu Ostro
5. oktober 2015

The confluence of meteorological ingredients the first weekend in October 2015 resulted in an extraordinary weather event with severe impacts. Was one of them a 1000-year flood?

Why the Arrest of a Science-Loving 14-year-old Matters

By Shaun Tanner
16. september 2015

By now, many of you have heard or read about the arrest of Ahmed Mohamed, a 14-year-old high school student from Irving, Texas. Ahmed was arrested because school officials called the police after he showed one of his teachers his homemade clock. Mistaken for a bomb, Ahmed was taken into custody, interrogated, shamed, suspended (still on suspension today, Wednesday), and reprimanded. All of this after it has been found that the "device" he brought to school was indeed, a homemade clock.

2013-14 - An Interesting Winter From A to Z

By Tom Niziol
15. maj 2014

It was a very interesting winter across a good part of the nation from the Rockies through the Plains to the Northeast. Let's break down the most significant winter storms on a month by month basis.

What the 5th IPCC Assessment Doesn't Include

By
27. september 2013

Melting permafrost has the potential to release an additional 1.5 trillion tons of carbon into the atmosphere, and could increase our global average temperature by 1.5°F in addition to our day-to-day human emissions. However, this effect is not included in the IPCC report issued Friday morning, which means the estimates of how Earth's climate will change are likely on the conservative side.

Recent Infographics

Storm Surge

Storm Surge terms described and defined in the Storm Surge infographic by Weather Underground.

El Niño

To understand the science behind El Niño, and the associated precipitation, checkout this infographic by Weather Underground.

Why the Sky is Blue

Finally, childhood questions answered. Find out why the sky is blue in our latest graphic.