Greg Postel
@GregPostel
10a-2p (M-F) on The Weather Channel. M.S./Ph.D. Atmospheric Dynamics, UW-Madison. Post-doc Tropical Cyclones. Drummer 🥁 , swimmer. Swiftie.
As extreme flooding becomes more frequent, @PrincetonEnviro hydrologists are developing ways to precisely predict flood impacts to help residents mitigate their effects and design new infrastructure to plan for the future.
This is ACTUAL footage of a tornado today. This was captured by Brandon Copic with WeatherWise. This is not my video, please support Brandon Copic on YouTube, and X/Twitter. 📍Watertown, SD, USA #wxtwitter #wxX #SDwx #weather #tornado
Photogenic corn grinder just West of Watertown… Unfortunately hit structures
We did it!! Tampa hit 100 degrees at the airport at 3:30 pm for the first time on record!! Records go back to 1890. It took 135 years. It’s still unofficial. NWS will have to verify. @WFLA
That was the easiest 2:07 2IM I’ve ever seen. WR alert tomorrow night.
🇨🇦 SUMMER MCINTOSH DOES IT AGAIN 19 minutes after winning 400m freestyle gold McIntosh cruises to a 200m individual medley semifinal victory. Mary-Sophie Harvey in second. Great race for the Canadians. She’ll go for gold in this event Monday night in Singapore.
Summer McIntosh dominates Katie Ledecky in the 400 free for Gold # 1. 3:56 low.
Sooo excited for this
How To Watch The 2025 World Championships swimswam.com/how-to-watch-t…
He’ll get it, 1:53.
Marchand Is Gunning For Lochte’s 200 IM World Record In Singapore swimswam.com/marchand-is-gu…
Apparently an anticyclonic tornado
“The Wizard of Oz” lands at @SphereVegas in Las Vegas, and it’s nothing short of cinematic time travel. CEO Jim Dolan says the goal wasn’t to change the classic—but to immerse you in it. “It’s like going back to 1939 with super-resolution cameras.” The result? A…
🚨 Downbursts Decoded? We're testing a new radar technique to give forecasters earlier warning of damaging winds from downbursts 🌩️💨 A new radar algorithm = better storm triage ⚡ LEARN MORE 🎥🔗: inside.nssl.noaa.gov/nsslnews/2025/…
“Corn Sweat”
A phenomenon called "corn sweats" could exacerbate the impacts of the extreme heat blanketing a large portion of the United States, according to experts. abcnews.link/ClPljoo
A North Carolina gamer was livestreaming when a bolt of lightning struck outside his home and sent an electrical surge straight through his gaming setup.
Can’t wait for this …
The Cases for Katie Ledecky and Summer McIntosh in 800 Freestyle World-Title Duel - is.gd/dKn7on
Literally 6 months ago today. Charleston, SC. Enjoy. #chswx
As the best swimmer in the world by far already, Summer McIntosh is on a path to rewrite the record books. Incredible.
Coach Fred Vergnoux Says Summer McIntosh is Just Getting Started; Foretells Sub-8:00 in 800 Freestyle - is.gd/QPRUbs
11:47am CDT #SPC_MD 1684 , #ilwx #wiwx #iawx, spc.noaa.gov/products/md/md…
8pm EDT July 14: An area of low pressure off the east Florida Peninsula coast (Invest #93L) now has a medium chance (30%🟡2-day / 40%🟠7-day) of becoming a tropical cyclone as it moves westward into northeastern portion of the Gulf. Regardless of formation, heavy rainfall could…