Weather Articles

Puerto Rico Weather Forecasters Coped With Extreme Fatigue, Worry During Hurricanes Maria, Irma

By Pam Wright
September 22, 2017

It's been a rough month for weather forecasters, particularly in Puerto Rico.

Frida the Rescue Dog is Mexico's Newest Hero in Earthquake Aftermath

By Eric Chaney
September 22, 2017

One four-legged rescuer is getting a lot of attention in Mexico following the deadly earthquake.

Hurricane Maria Death Toll Rises to 30 in Caribbean; 'This Is an Event Without Precedent,' Puerto Rico Gov. Says

By Pam Wright
September 22, 2017

The death toll is rising as officials survey the damage in the Caribbean from Hurricane Maria.

Hurricane Maria Lashing Turks and Caicos as Conditions Improve in Puerto Rico and Dominican Republic; U.S. Rip Current, High Surf Threat

By Chris Dolce
September 22, 2017

Maria will continue to affect the Turks and Caicos Islands and the southeastern Bahamas through Friday.

16-Car California Pileup Kills 1 Amid Snowy Conditions

By Eric Chaney
September 22, 2017

The first major pileup of the snow season happened Thursday morning in the higher elevations of California.

Jose Bringing Coastal Flooding, Rain, Wind to Parts of Northeast; Tropical Storm Warning In Effect for Southeast Massachusetts

September 22, 2017

In some ways, Jose resembles a nor'easter without the snow.

Nicaragua Will Sign Paris Climate Accord, Leaving Only U.S., Syria on Outside

By Pam Wright
September 22, 2017

And then there were two.

Chilly Pattern Is Bringing Snow to Parts of Northern Rockies, Sierra Late This Week

By Brian Donegan
September 22, 2017

The northern Rockies are forecast to receive more accumulating snow late this week.

How You Can Help Hurricane Maria Victims

By Pam Wright
September 22, 2017

Giving money is the best way to support victims, so here's how you can help.

Desperate Search for Mexico Quake Survivors Continues; Death Toll Tops 280

September 22, 2017

The deadly quake reduced buildings all over Mexico City and the surrounding countryside to rubble.

Hurricane Maria Death Toll Now 29; Turks and Caicos Battered by Storm

By Pam Wright
September 22, 2017

The death toll is rising as officials survey the damage in the Caribbean from Hurricane Maria.

Big Pattern Change Ahead Next Week, Including a Breather in the Tropics After Maria

By Linda Lam
September 22, 2017

A shift in the weather pattern will bring big changes across the contiguous U.S. next week.

How Tropical Storm Jose Will Play a Role in Steering Hurricane Maria

By Chris Dolce
September 22, 2017

Here's how Jose will play a role in the steering of Hurricane Maria.

Fall, Early Winter Temperature Outlook: Warmer Than Average For Most of U.S, Then Trending Colder in East

By Chris Dolce
September 22, 2017

Fall will be marked by a large area of warmer-than-average temperatures, but a risk for below-average temperatures may grow in the eastern states as winter begins.

After Maria, Puerto Rico Faces Unique Challenges, Long Road to Recovery

By Eric Chaney
September 21, 2017

Puerto Rico is broke and its public utilities are decades old and in poor shape, all major bumps on a particularly hard road to recovery.

Four Things to Know About the 2017 Fall Equinox

By Jonathan Belles
September 21, 2017

As the fall equinox approaches, here are a few things to keep in mind about the coming changes.

Coast Guard Rescues Woman, 2 Children After Boat Capsizes Off Puerto Rico During Hurricane Maria; Man On Boat Does Not Survive

By Pam Wright
September 21, 2017

A distress call was received Wednesday from a boat experiencing 20-foot waves and 100-plus-mph winds.

Hurricane Irma's Death Toll Now 73; 10th Hollywood, Florida, Nursing Home Victim Confirmed

By Pam Wright
September 21, 2017

The death toll continues to rise in the wake of Hurricane Irma. Here's the latest.

U.S. Virgin Islands Officials Urge Tourists to Delay Their Trips After Maria

By Eric Chaney
September 20, 2017

Authorities and residents in Puerto Rico and the U.S. Virgin Islands are expecting the worst when they finally get to survey the damage.

Ports Shut Down as Dominican Republic Braces for Deadly Hurricane Maria

September 20, 2017

The storm has left at least nine dead during its assault on the Caribbean.

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.