Official Twitter account for NOAA's National Weather Service. Details: http://weather.gov/twitter
Here's the #weather snapshot for #Wednesday , December 2. A system developing across the southern U.S. will produce heavy rain and thunderstorms from southeast TX to southwest LA and heavy snow in parts of KS and OK. Also, critical fire weather threats are expected in southern CA.
Nature has other plans on this final "official" day of the 2020 Atlantic Hurricane Season. An area of low pressure near the Madeira Islands could acquire enough subtropical characteristics in the next few days to keep the record season going.
The Weather Bureau began “flying forecasts” #OnThisDate in 1918. Initially focused on Army training posts and mail service for the Post Office, the NWS now issues aviation forecasts for commercial and private aviation interests. Learn more at #NWS150
Every Tuesday this winter, we’re getting sciency using #ArcticExam . Are you up to the challenge? The first trivia question is coming in just minutes…
How about a fill-in-the-blank for our very first #ArcticExam question?! In the northern hemisphere, winter occurs when the Earth is _____________ the Sun on its yearly journey around it. We'll quote retweet this post with the answer at around 12:50 PM EST. GOOD LUCK! 🤞
While Astronomical #Winter doesn't commence until the solstice on Dec 21, Meteorological Winter started TODAY and lasts through Feb. 28. What's the difference between meteorological and astronomical seasons? Read about it here:
The Sun is waking up! Space weather forecasters are monitoring several sunspot groups, one that produced the biggest solar flare in 3 years! Solar Cycle 25 kicked in 11 months ago. Here's the latest:
A Santa Ana wind event is expected to impact southern California into the weekend. These winds are strong downslope winds that blow through the mountain passes. The winds are warm and dry and can severely exacerbate brush or forest fires. For more:
This event is unprecedented & all impacts are unknown & beyond anything experienced. Follow orders from officials to ensure safety. #Harvey
Heads up! Today is the last day to prepare for Hurricane#Laura . Evacuation zones are based on potential storm surge. If an evacuation has been ordered, life-threatening storm surge is expected. Get your loved ones to a safe place...their life depends on it!
#Harvey in perspective. So much rain has fallen, we've had to update the color charts on our graphics in order to effectively map it.
There's an increasing chance for #Dorian to bring a triple-threat of dangers to the Florida east coast... ?life-threatening storm surge ?️devastating hurricane-force winds ?️heavy rains The onset of tropical storm force winds could be as soon as Saturday evening. Prepare NOW.
Unsurvivable storm surge with large, destructive waves will cause catastrophic damage from Sea Rim State Park, TX, to Intracoastal City, LA. Surge could penetrate up to 30 miles inland. If you need to evacuate, do so NOW. Surge will begin today, well ahead of the strongest winds
With the naming of Subtropical Storm#Alpha , we've officially entered the Greek Alphabet for named Atlantic storms this year. We've made it as far as Zeta one time on record, in 2005. Visit for the latest.
Important note as #Florence continues to close in on the Carolina coastline, storm surge is not just an "ocean" problem tonight. Significant surge is expected to occur in the NC inlets and rivers, some areas in excess of 9 feet!
A look at #Laura from above as it pushes closer to the landfall expected as a Category 4 hurricane overnight tonight. Laura will bring with it: 🔴Unsurvivable storm surge 🔴Hurricane force winds and 🔴Widespread flash flooding The window to prepare is nearly closed. Do so NOW.