Weather Articles

Winter Storm Chloe to Spread Heavy Snow Through the Great Lakes; Afternoon Rush Hour Mess Possible in Detroit, Cleveland

By Brian Donegan
December 13, 2017

This fast-moving system will leave its mark in the Great Lakes Wednesday.

Pattern Change to Bring Milder Temperatures to Midwest, South by the Weekend

By Brian Donegan
December 13, 2017

Could there be some light at the end of the tunnel?

White Christmas Forecast 2017: Who is Likely to See One?

December 13, 2017

How typical is a white Christmas where you live, and what are your chances this year?

Three Snowmakers Possible in Midwest, Northeast Into Early Next Week

By Brian Donegan
December 12, 2017

An active pattern will send three more snowmakers across the Midwest and Northeast over the next several days.

Building Destroyed as Legion Lake Fire Grows in South Dakota

By Ada Carr
December 12, 2017

The blaze has grown to more than 6 square miles.

Larger Than San Diego, Southern California Wildfire Now One of Five Biggest in State History

By Sean Breslin and Melissa Kory
December 12, 2017

Only four fires in state history have burned more land than the Thomas Fire, which continues to be a problem in Ventura County.

Sunday's Historic Snowy Game Is Why Buffalo Has the NFL's Worst and Most Awesome Weather

By Jonathan Erdman
December 12, 2017

Weather geeks and football fans are thrilled whenever a Bills home game is affected by weather.

More Snow Sweeping Through the Great Lakes and Northeast Tuesday

By Jonathan Erdman
December 12, 2017

A fresh blanket of snow arrives for some in the Northeast.

Snow Has Already Been Recorded in All 50 States, and It Isn't Even Winter Yet

By Chris Dolce
December 12, 2017

A wintry start to December has led to snow being recorded in every state.

Even Colder Temperatures are Ahead This Week in the Midwest, East

By Linda Lam
December 11, 2017

Additional rounds of cold conditions will bring the coldest temperatures so far this season to many locations in the East this week.

Hurricane Maria's Death Toll in Puerto Rico Likely More Than 1,000, New York Times Investigation Reveals

By Sean Breslin
December 11, 2017

New information casts serious doubt about the announced death toll from Hurricane Maria in Puerto Rico.

What Does Wind Chill Really Mean?

By Brian Donegan
December 11, 2017

You see the wind chill in your weather forecast all winter, but do you know what it means?

United Kingdom Blanketed by Snow; Flights Canceled, Schools Closed

By Associated Press
December 11, 2017

A winter storm disrupted travel across the United Kingdom on Monday.

Three of California's 10 Most Destructive Wildfires Have Struck Since October

By Chris Dolce and Brian Donegan
December 11, 2017

California's 10 most destructive wildfires have all occurred in the past 30 years. Here's the list.

Thomas Fire Now Ranks Among Top 10 Largest California Wildfires; 173,000 Acres Burned

By Sean Breslin and Melissa Kory
December 10, 2017

Multiple destructive wildfires are roaring through Southern California, fanned by powerful Santa Ana winds.

Deadly Winter Storm Benji Blankets Northeast After Leaving Thousands Powerless in South

By Sean Breslin and Pam Wright
December 10, 2017

Here's what we know about the impacts from this winter storm.

New Evacuations Ordered in California as Thomas Fire Flares Up From Santa Ana Winds

By Sean Breslin and Pam Wright
December 10, 2017

Multiple destructive wildfires are roaring through Southern California, fanned by powerful Santa Ana winds.

New Evacuations Ordered as Fires Flare Up Under Santa Ana Winds

By Sean Breslin
December 10, 2017

Multiple destructive wildfires are roaring through Southern California, fanned by powerful Santa Ana winds.

Winter Storm Benji Final Blows are Being Felt in the Northeast After Dropping Record-Setting Deep South and mid-Atlantic Snow

By Jonathan Belles
December 9, 2017

It's already been historic. Now it will blanket the East in its final chapter.

Georgia Man Electrocuted by Downed Power Line, More Than 400,000 Remain in the Dark as Winter Storm Benji Targets Northeast

By Sean Breslin
December 9, 2017

Here's what we know about the impacts from this winter storm.

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.