Weather Articles

It's Already One of the Wettest Winters On Record So Far in Parts of the South, and More Rain Is Ahead This Week

By Jonathan Erdman
February 18, 2020

While some may be tired of cold or snow, parts of the South are suffering rain fatigue this winter.

Rare Ice Balls Wash Up by the Thousands on Shore of Lake Michigan

By Ron Brackett
February 18, 2020

Thousands of the balls, which need lake-effect snow, cold temperatures and waves to form, turned up at Holland State Park.

Finally, Some Cold Weather Is Possible in Midwest and East

By Brian Donegan
February 18, 2020

Here's why winter sports enthusiasts in the Midwest or East shouldn't give up hope on this winter yet.

Why Friday's Weather Map May Be Blank From Coast to Coast

By Jonathan Erdman
February 18, 2020

You don't see this all that often. Here's the meteorology behind a blank weather map.

Snow to Blanket the Interior Northeast, But Will Leave Boston and New York City All Wet Again

By Chris Dolce
February 18, 2020

This may produce some travel headaches, but it's not a major storm.

Severe Floods From Storm Dennis Still Threaten Large Parts of the UK

By Ron Brackett
February 17, 2020

The impacts of Storm Dennis continue to be felt across Wales, England and parts of northern Europe.

Weird Winter: No Winter Storm Warnings Have Been Issued in Chicago or New York City

By Jonathan Erdman
February 17, 2020

This is another indicator of what's been a rather bland winter so far.

They’re Not Really Volcanoes, But Ice Volcanoes Erupted on a Michigan Beach Sunday

By Brian Donegan
February 17, 2020

Ice volcanoes exist, but they don't erupt hot, molten lava like the volcanoes you know. Here's what they are and how they form.

Bomb Cyclone Storm Dennis, One of the Most Intense North Atlantic Storms on Record, Triggers Massive Flooding in U.K.

By Brian Donegan
February 16, 2020

For the second weekend in a row, a powerhouse storm is hammering northwestern Europe.

Parts of the South Have Seen More Snow Than Some Northeast Cities

By Linda Lam
February 15, 2020

Portions of the South have experienced more snowfall this season than many cities in the mid-Atlantic and along the Northeast coast.

Arctic Blast Bringing Coldest Air of Season to Some in Northern Tier, But It Won't Last Long

By Linda Lam
February 14, 2020

Typical of this benign winter, this arctic cold blast will be quick.

California Is Drying Out Again; Here’s Why It’s Not a Concern – Yet

By Jonathan Belles
February 14, 2020

California is back in drought again as storms stay away. Here's what that means for this spring.

Will Spring Flooding in 2020 Repeat Last Year's Disaster? There Are Some Troubling Signs.

By Jonathan Erdman
February 14, 2020

We're nearing the time of year for spring flooding. Here is why we're concerned.

Two Remarkable Storms Are Raging at the Same Time in Different Oceans

By Linda Lam
February 14, 2020

Powerful storms are swirling in both the North Atlantic Ocean and the North Pacific Ocean.

Arctic Blast Brining Coldest Air of Season to Some in Northern Tier, But It Won't Last Long

By Linda Lam
February 14, 2020

Typical of this benign winter, this arctic cold blast will be quick.

Rockslide Derails Train in Kentucky; Rain-Damaged Alabama Highway Shuts Down Indefinitely

By Ron Brackett
February 13, 2020

Storm systems in the South continue to create major problems.

New Cross-Country System to Bring Snow and Rain to Northwest, Midwest and East

By Chris Dolce
February 13, 2020

This next system won't bring widespread snowfall, but it could slow down travel from the Rockies to the central and eastern United States.

Arctic Blast Bringing Coldest Air of Season to Some in Northern Tier, But It Won't Last Long

By Linda Lam
February 13, 2020

Typical of this benign winter, this arctic cold blast will be quick.

Polar Vortex Grows Arctic Sea Ice to 10-Year High, but There's a Catch

By Jonathan Belles
February 13, 2020

Here's why you shouldn't get too excited that there's more ice this year.

January 2020 Was Earth's Warmest January on Record, NOAA Says

By Brian Donegan
February 13, 2020

January 2020 was the latest month of record warmth across the globe.

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.