Weather Articles

Tropical Storm Harvey Begins to Drench the Windward Islands; Tropical Storm Conditions Expected to Arrive Early Friday

By Jon Erdman
August 17, 2017

Tropical Storm Harvey will bring stormy conditions to the Windward Islands Friday and could become the next hurricane.

Tropical Storm or Hurricane During a Total Solar Eclipse Would Be a First in Satellite Era

By Jonathan Erdman
August 17, 2017

A strange overlap of events is possible Monday.

Solar Eclipse Weather Forecast: Will Clouds Block Your View?

By Jon Erdman
August 17, 2017

Less than a week away, the potential weather pattern is coming into view.

Three Recent Twisters That Didn't Get a Tornado Warning Until After Touchdown, if at All

By Brian Donegan
August 17, 2017

Three tornadoes struck three different states before tornado warnings were issued.

For Second Consecutive Year, Earth Has Recorded Its Warmest July on Record, NASA Says; Land Temperatures Reached All-Time High, NOAA Says

By Chris Dolce
August 17, 2017

The trend of record or near-record warmth globally continued in July.

10 Years Later: Two Category 5 Atlantic Basin Landfalls for the First and Only Time

By Jonathan Belles
August 17, 2017

Two monster Category 5 hurricanes made landfall 10 years ago within weeks of each other.

America's Flood Protection Is Being Undermined, Putting People and Infrastructure at Risk

By Pam Wright
August 17, 2017

As the threat for flooding continues to grow, placing millions of Americans at risk, the government is dismantling flood protection programs.

Potential Tropical Cyclone Nine Nearing Windward Islands; Tropical Storm Watches, Warnings Issued

By Chris Dolce
August 17, 2017

Potential Tropical Cyclone Nine is expected to develop into a tropical depression or tropical storm later Thursday.

Hurricane Gert Is Weakening But Remains a Wave Generator For US and Canada East Coasts

August 17, 2017

Gert will keep its sea legs, but will have one indirect impact at the beach.

Monsoon Flooding Kills At Least 245 in India, Nepal and Bangladesh

By The Associated Press
August 16, 2017

Here's the latest on this dire situation.

600 Still Missing in Sierra Leone; Deadly 'River of Mud Came out of Nowhere'

August 16, 2017

More than 300 people are dead and 600 still missing after heavy rains and flash flooding led to landslides in the west African nation of Sierra Leone.

6 Ways Weather Could Change During the Great American Eclipse

By Jonathan Belles
August 15, 2017

You might notice some changes in the weather during the Great American Eclipse.

Arkansas Flash Flooding: Bridges Covered, Water Entering Homes and Businesses

By Eric Chaney
August 15, 2017

Heavy rains have led to flash flooding in Russellville and Clarksville.

Total Solar Eclipse Weather Forecast: Will Your View Be Blocked?

By Jon Erdman
August 14, 2017

Less than a week away, the potential weather pattern is coming into view.

2017 Hurricane Season Named Storm Pace Rivals Most Active Seasons on Record, But There's a Distinct Difference

By Chris Dolce
August 14, 2017

The pace of named storms in 2017 is rivaling some past historic hurricane season, but there's a catch.

Tropical Storm Gert Not a Threat For U.S. East Coast and Bermuda; High Surf, Rip Current Threat For Parts of East Coast

By Jonathan Belles
August 14, 2017

Tropical Storm Gert is forecast to stay off the U.S. East Coast.

Is Summer Over? Midwest Cities Rack Up More than Two Weeks of Below-Average Temperatures

By Jonathan Belles
August 14, 2017

Why heat has taken a summer vacation for some.

At Least 250 Dead in Sierra Leone Landslide; Heavy Rains Causing Flash Flooding

By Eric Chaney
August 14, 2017

At least 250 people are dead after heavy rains and flash flooding led to landslides in the west African nation of Sierra Leone.

Flash Flooding Prompts Water Rescues in Texas and Oklahoma

By Chris Dolce
August 13, 2017

Heavy rainfall has swamped several locations northeast of Dallas.

Flash Flood Threat Persists in the South on Sunday

By Linda Lam
August 13, 2017

Several rounds of storms will bring heavy rain and the risk of flooding to portions of Plains and South into next week.

Featured Blogs

Meteorology of Saturday's Colombian Flood Disaster That Killed 254

By Dr. Jeff Masters
اپریل 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
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
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
ستمبر 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
مئی 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
ستمبر 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.