Tropical Storm Bertha Forms, May Pose a Threat to the Eastern U.S.

The National Hurricane Center finally declared the low pressure system approaching the Caribbean as Tropical Storm Bertha. The newly-minted tropical system is the second of the year, and has sustained winds of 45 MPH as it heads towards the Lesser Antilles. It may pose a slight threat to the East Coast next week. » 7/31/14 11:49pm Yesterday 11:49pm

Incredible: Lake Superior's Temp. Dropped Down to 38 Degrees This Week

The water temperatures along coastal regions of Lakes Michigan and Superior took an astounding 25 to 30 degree plunge overnight on Monday. Parts of Lake Superior bottomed-out at 38°F, while parts of eastern Lake Michigan hit 41°F. These temperatures are more common in April than the last week in July. » 7/31/14 11:00am Yesterday 11:00am

Which Parts of New York City Should the Sharknado Destroy?

Tonight's debut of Sharknado II: The Second One is a follow-up to last summer's surprise hit featuring a climate change-induced tornado sweeping up shivers of sharks and siccing them on unsuspecting residents of Los Angeles. Tonight's sharknado has its sights set on New York. What should the sharknado(es) destroy?… » 7/30/14 4:04pm Wednesday 4:04pm

Here's Some Perspective on the Enormous UCLA Water Main Break

In a state seeing one of the worst droughts in its history, water is a precious commodity. Yesterday's burst of a nearly century-old water main wasted eight to ten million gallons of water, putting more strain on California's already-burdened resources. Here's some perspective on how much water Los Angeles really lost… » 7/30/14 9:00am Wednesday 9:00am

Flash Flooding Possible Across Much of the Southern Rockies This Week

Monsoon season is in full swing across parts of the western United States as areas from Nevada to Oklahoma — including most of the state of Colorado — are under a flash flood watch for the next couple of days. Parts of the region could see three to four inches of rain by the time the event is over on Wednesday. » 7/29/14 4:37pm Tuesday 4:37pm

Debris Ball on Weather Radar Confirms Tornado in Tennessee

A tornado in northeastern Tennessee near La Follette produced a strong debris signature on Doppler radar imagery around 600PM EDT on Sunday. The tornadic storm occurred as part of an unusually strong severe weather outbreak taking place across the easternmost third of the country this afternoon. » 7/27/14 6:28pm Sunday 6:28pm

Tornadoes Are Possible Today Over Areas That Rarely See Tornadoes

A severe weather outbreak is ramping up over parts of the eastern United States this afternoon, with an area that doesn't typically see much severe weather bearing the brunt of today's action. The risk for EF-2 or stronger tornadoes is 1000 times higher than normal in some spots. » 7/27/14 2:39pm Sunday 2:39pm

Dangerous Severe Weather Outbreaks Likely Today and Tomorrow

A large part of the eastern United States is on track to see two distinct and very dangerous severe weather events both today and tomorrow, with the worst outbreak expected to occur tomorrow over the Ohio Valley and Mid-Atlantic regions. » 7/26/14 2:06pm Saturday 2:06pm

Tornado Kills Two, Injures Two Dozen More at Virginia Campground

A tornado struck a campground in Cheriton, Virginia around 9:00 this morning, killing two campers and injuring 26 more as the storm swept through the area. A news helicopter flying over the Cherrystone Campground for WAVY shows dozens of trees torn down along with many tents destroyed and strewn about. » 7/24/14 1:35pm 7/24/14 1:35pm

Here's Everything They Got Wrong (and Right) in the Movie Twister

Twister is arguably the most popular weather movie ever made, and it sparked an interest in meteorology in both kids and adults alike. While the movie is incredibly entertaining, it's also on some pretty solid ground when it comes to the science. Just how much did the creators of Twister get right and wrong? » 7/24/14 12:00pm 7/24/14 12:00pm

This Is Why the Heat Index Is So Important

Out of the comfort and into the fire went the central United States this week as the latest NotReallyAPolarVortex left in a hurry. Temperatures themselves are hot enough — topping 105°F in places — but as the old phrase goes, it's not the heat that gets you, it's the humidity. On days like today, the heat index is… » 7/23/14 12:00pm 7/23/14 12:00pm