Weather Articles

At Least 2 Dead as Flooding Spreads from Texas to Michigan

By Ada Carr and Sean Breslin
February 21, 2018

The widespread flooding across the South and Midwest has turned deadly. Here's what we know.

Big Temperature Contrasts Yield One of Warmest February Days Ever Recorded in East While Record Cold Dominates Parts of West

By Linda Lam
February 21, 2018

It may seem like spring in some areas this week while others experience another arctic blast.

Winter Storm Oliver's Next Wave of Snow, Ice to Spread Into the Plains, Midwest, Northeast Through Friday

By Jonathan Belles
February 21, 2018

After one round of snow and ice, Oliver has more in store through the end of the week.

Flash Flood Threat to Last Into the Weekend from Texas to the Ohio Valley; River Flooding to Worsen in Great Lakes

By Chris Dolce
February 21, 2018

Rivers are rising, and more heavy rain is on the way.

Next Wintry System Behind Oliver to Bring Snow and Ice to the Southwest, West, Including the Sierra, and Midwest Through This Weekend

By Jonathan Belles
February 21, 2018

A new threat of snow and ice is ahead late this week.

After Flooding Rain, Severe Weather is in Play From Texas to Tennessee and Southwestern Kentucky Saturday

By Linda Lam
February 21, 2018

Severe threat will ramp up for the last weekend of February.

21-Degree Drop in 4 Minutes: The Biggest Temperature Swings from Winter Storm Oliver

By Jonathan Belles
February 21, 2018

Some cities in the Plains went from nearly 70 to snow or freezing rain this week as Winter Storm Oliver's cold front passed through.

The Arctic Still Isn't Cooling Off, and Recent Temperature Readings Are Mind-Blowing

By Sean Breslin
February 21, 2018

The shockingly warm readings just keep coming, and this week has been no exception.

Winter Storm Oliver's Ice and Snow Causes Widespread Problems from Pacific Northwest to the Midwest; at Least 6 Dead

By Ada Carr and Sean Breslin
February 21, 2018

The winter storm has caused widespread travel danger and closures. Here's the latest.

Flooding Leads to Water Rescues from Texas to Michigan; 1 Dead in Illinois

By Ada Carr
February 21, 2018

Roads have been shut down and cars have become stranded in high water. Here's the latest.

Without Warning, North Texas Hit by 3 Damaging EF0 Tornadoes; 3 Injured in Johnson County

By Sean Breslin
February 21, 2018

Three small tornadoes caused big problems in North Texas early Tuesday morning.

The 5 Snowiest Spots So Far This Winter and How They Compare to Previous Years

By Brian Donegan
February 20, 2018

With winter two-thirds of the way over, here's a look at the five snowiest areas of the Lower 48 so far this season.

PyeongChang 2018 Winter Olympic Games Forecast: Several Athletes Hurt by High Winds and Cold Temperatures in First Week

By Jonathan Belles and the Associated Press
February 20, 2018

The Winter Games have been affected by cold temperatures and gusty winds.

Smoke-Filled Andes Mountain Valleys Seen in Stunning Photo from 2016 Just Released by NASA

By Sean Breslin
February 20, 2018

This is what it looks like when fires fill valleys with smoke that doesn't dissipate quickly.

It's Not Just Your Imagination: Spring Has Arrived Really Early This Year

By Sean Breslin
February 20, 2018

If you think it should be colder than this in mid-February, you're right.

Motorhome Trapped in Mounds of Snow in French Alps Finally Freed

By Pam Wright
February 20, 2018

The motorhome became buried after several snowstorms paralyzed parts of the Alps in January.

Lingering Ice, Snow From Winter Storm Oliver to Lead to Dangerous Commutes Tuesday in the Plains, Upper Midwest

By Jonathan Belles
February 20, 2018

Snow, ice and strong winds will make for hazardous travel Tuesday and Tuesday night.

Remnants of Tropical Cyclone Gita Bring Heavy Rain, Flooding to New Zealand

February 20, 2018

A state of emergency declared in several New Zealand districts as remnants of Tropical Storm Gita pound the South Island.

Rising Northeast Temperatures: Map Shows Rarity of 70s in February

By Linda Lam
February 19, 2018

Rare temperatures for February are expected in the Northeast for the second year in a row.

Winter Olympics Have Been So Cold, Some Say Their Makeup Froze to Their Faces

By Ada Carr
February 19, 2018

Temperatures have plunged far below freezing at times.

Featured Blogs

Meteorology of Saturday's Colombian Flood Disaster That Killed 254

By Dr. Jeff Masters
داپريل مياشت، دعيسوي كال څلورمه مياشت . 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
دعيسوى كال دريمه مياشت، مارچ 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
دعيسوى كال لسمه مياشت . ، اکتوبر 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
سپټمبر، دعيسوي كال نهمه مياشت . 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
دعيسوى كال پنځمه مياشت ،مئ 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
سپټمبر، دعيسوي كال نهمه مياشت . 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.