Weather Articles

Winter's Not Over: A Colder Weather Pattern Could Develop For Start of February

By Chris Dolce
January 23, 2018

A new weather pattern may set up as we head into February.

Super Bowl 52 Forecast: Will Snow or Bitter Cold Blast Minneapolis the Week of the Big Game?

By Jonathan Erdman
January 23, 2018

The game is indoors, but will weather mess with other Super Bowl week festivities?

Winter Storm Jaxon Brings Snow and Wind to Midwest, Northern New England Following Plains Blizzard

January 23, 2018

Jaxon is now impacting New England, after already pounding the Plains and upper Midwest.

Flood Watches Issued as Ice Jam Threat Continues in the Northeast This Week

By Chris Dolce
January 23, 2018

Ice that built up rapidly in the Northeast has become problematic in some areas.

Wild Temperature Swings Cracked Windows in the Black Hills 75 Years Ago

By Jonathan Belles
January 23, 2018

A temperature roller coaster caused instant frost and cracked windows in parts of South Dakota 75 years ago.

Kelvin-Helmholtz 'Wave' Clouds Roll Through the Sky Over the Mississippi Sound

By Brian Donegan
January 23, 2018

It's rare to see this type of cloud.

One Year After Deadly Albany, Georgia, Tornado, 2-Year-Old Remains Missing

By Sean Breslin
January 23, 2018

On Jan. 22, 2017, 2-year-old Detrez Green vanished and was never located. A year later, there are still more questions than answers.

Magnitude 7.9 Earthquake Strikes off Alaska; Tsunami Warnings, Watches Canceled For U.S. West Coast; 3-Foot Waves Seen in Kodiak, Alaska

January 23, 2018

A major earthquake off Alaska's coast prompted tsunami watches and warnings for the U.S. and Canada.

Volcano Erupts Near Japanese Ski Resort; 1 Dead, Multiple Injuries Reported

By Pam Wright
January 23, 2018

An avalanche occurred about 30 minutes after Japan's Mount Kusatsu-Shirane erupted.

Heavy Snow Buries Davos, Switzerland, During Meeting of World Leaders

By Brian Donegan
January 23, 2018

Nearly 10 feet of new snowfall has piled up over the past week.

Winter Storm Jaxon Dumps Heavy Snow on Plains, Midwest; Icy Roads Cause Travel Problems in New England

January 23, 2018

The storm has created hazardous road conditions and canceled flights. Here's what we know.

After Tokyo's Heaviest Snow in Four Years, Feet of Sea-Effect Snow Will Hammer Parts of Japan This Week

By Linda Lam
January 23, 2018

Rare snow blanketed Tokyo on Monday.

Wildfires Near Fort Worth, Texas, Force Evacuations, Shut Down Highways

By Sean Breslin
January 23, 2018

Residents have been told to evacuate as winds fan the flames.

Lebanon's Trash Crisis: Powerful Winter Storm Leaves Behind Mounds of Garbage on Beaches

By The Associate Press
January 23, 2018

Powerful storm places a spotlight on Lebanon's growing garbage crisis.

Damaging Storms Strike the South; Tornadoes Confirmed in Five States

January 23, 2018

Multiple homes were destroyed, and tornadoes have been confirmed. Here's the latest.

Severe Threat Lingers in the South into Monday Evening After Tornadoes Touch Down in Texas, Missouri Sunday

By Jonathan Erdman
January 22, 2018

It's been a while. Here's why severe thunderstorms have returned and what to expect.

Michigan Dogs Save Elderly Woman from Freezing to Death in Harsh Winter Cold, Owners Say

By Sean Breslin
January 22, 2018

The dogs' owners couldn't figure out why they were so eager to go outside in the middle of the night, but they ended up saving a life.

After Almost Three Months, America's Northernmost Town Finally Had a 'Cold' Day

By Brian Donegan
January 22, 2018

Utqiaġvik, Alaska, is not typically the place that comes to mind when thinking of warm temperatures.

USS Little Rock, Navy's Newest Warship, Is Stuck in Ice in Montreal and May Not Move Until March

By Andrew MacFarlane
January 22, 2018

A frigid weather pattern caused ice to form faster than expected, trapping the U.S. Navy's newest warship in Montreal.

Four Things to Know About This Week's Weather

By Linda Lam
January 22, 2018

Weather changes are ahead across the U.S. this week.

Featured Blogs

Meteorology of Saturday's Colombian Flood Disaster That Killed 254

By Dr. Jeff Masters
Aibreán 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
Márta 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
Deireadh Fómhair 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
Meán Fómhair 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
Mí na Bealtaine 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
Meán Fómhair 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.