Weather Articles

Flash Flood, Severe Threats Target the Southeast Through Wednesday; Flood Watches From Georgia to Virginia

By Brian Donegan
May 23, 2017

The dual threat of flooding and severe weather is a Southeast concern.

Memorial Day Weekend Forecast: Stormy Weather Possible in Central and East, Warm and Dry in the West

By Chris Dolce
May 23, 2017

Here are the weather conditions travelers will face during the Memorial Day weekend.

Melting Snowpack Poses Dangers in the Sierra Nevada This Week

By Chris Dolce
May 23, 2017

An uptick in the melting of this season's snowpack in the Sierra Nevada will pose several dangers.

Monster 64-Foot Wave Measured by New Buoy in Southern Ocean

By Jonathan Belles
May 23, 2017

A monster 64-foot wave was recently measured in the Southern Ocean by a MetOcean buoy.

Strange Tornado Paths: They Don't Always Move in the Direction You'd Think

By Chris Dolce
May 23, 2017

Atmospheric factors can sometimes make tornadoes take some odd twists and turns.

Downburst Causes Damage, Closes Key U.S. Border Bridge in Laredo, Texas

By Associated Press
May 23, 2017

Traffic was suspended indefinitely following the damaging storm.

How to Make Cloud Eggs, the Latest Weather-Themed Food Fad

By Sean Breslin
May 22, 2017

Here's how you can make the latest weather-themed food craze.

4 Things to Know About This Week's Weather Pattern Change

By Linda Lam
May 22, 2017

Another change in the upper-level pattern is ahead this week.

Watches Issued as Severe Storms, Flash Flooding Slide East Into the Mississippi, Ohio Valleys

By Brian Donegan
May 20, 2017

The risk of severe storms and heavy rain finally pushes east this weekend.

2017 Atlantic Hurricane Season Forecast Update Calls For An Above-Average Number Of Storms

By Jon Erdman
May 20, 2017

The latest hurricane season forecast released in May is calling for above-average activity in the Atlantic.

Damage Reported in Missouri, Indiana as Severe Weather Persists in Plains, Midwest

By Ada Carr
May 19, 2017

Here's the latest on this dangerous weather event.

Summer 2017 Temperature Outlook: Hotter East, South, West as Northern Plains, Rockies Keep Their Cool

By Linda Lam
May 19, 2017

Find out how hot it will be this summer across the country.

Winter Storm Valerie Dumps 40+ Inches of Snow in Colorado; Cheyenne, Wyoming's Heaviest Late-Spring Storm in 74 Years

By Jon Erdman
May 19, 2017

This mid-May snow didn't just cling to high-mountain locations.

Winter Storm Valerie Wreaks Havoc in Rockies; Authorities Call Off Search For Missing Hiker

By Sean Breslin
May 19, 2017

Here's the latest on yet another late-season wintry menace.

5 Dead, 19 Missing After Flooding Rains Strike Haiti; Other Caribbean Nations Hit Too

By Pam Wright
May 19, 2017

Here's the latest on the deadly flooding in Haiti.

Beauty After the Storms: Social Media Lights Up With Shots of Mammatus Clouds Glowing In the Setting Sun

By Pam Wright
May 19, 2017

There was beauty in the wake of deadly storms that struck the Plains and Midwest this week.

Sharp Rise in Flooding Ahead for World’s Poorest

By John Upton
May 19, 2017

The world's poorest are at an increasing risk of climate-induced flooding, study says.

The History of 'High Risk' Severe Weather Outlooks

By Jon Erdman
May 18, 2017

NOAA's Storm Prediction Center doesn't often issue these, but when they do, it's a serious situation.

Severe Storms, Tornadoes Kill 3 and Injure Dozens More In the Midwest, Plains

By Ada Carr
May 18, 2017

Here's the latest on this week's deadly storms.

Interstate 80 Closed in Wyoming as Heavy Snow, Strong Winds Impact the West

By Sean Breslin
May 18, 2017

Here's the latest on yet another late-season wintry menace.

Featured Blogs

Meteorology of Saturday's Colombian Flood Disaster That Killed 254

By Dr. Jeff Masters
April 3, 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
March 24, 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
October 5, 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
September 16, 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
May 15, 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
September 27, 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.