Atmospheric scientist • Engineer • Chasing storms 1997- • KY built, CO/OK deployed • http://TwisterData.com • Filter noise, amplify signal
📍Nederland, CO 🔁 Norman, OK
David Demko
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Wicked VAD wind profile derived from TLX 88D velocity data of the rear inflow jet punching in behind last night’s Oklahoma derecho, which produced pockets of 100+ mph surface wind gusts. ~50 knots of sfc-1km bulk shear w/ 60-65 knot flow at 700m + a 15 knot surface wind.
Winds have eased some here in western Boulder Co. after last night’s blitz — strongest in 7 years here. My low-height (~1 m AGL) cup anemometer peaked at 71.9 mph. I suspect a standard 10 m measurement would have been 100+ mph. House’s west wall bowed with the gusts. Short vid from 12:20 AM. #cowx
Current high resolution VAD hodograph from Evansville, IN (KVWX) WSR-88D with KEVV surface wind. Storms producing tornadoes in southern Illinois sure are working with some potent kinematics.
Cool to see — two commercial aircraft passing in close proximity to each other in northern Montana currently, with their air speeds showing the difference between either fighting or drafting a 130 knot WNW to ESE jet stream
I love views like this — looking southwest from 40,000 feet over Liberal, Kansas at the demarcation between bare ground and snow cover left in the wake of the recent storm system
Raucous wind storm ongoing in the mountains of western Boulder County. Estimate gusts in the 80-90 mph range at my exposed location. I really won’t ever get used to the way west-facing walls bow in and out with stronger gusts. Pushing the mantle around enough to slosh a glass of water pretty good.
Message exchange about the ongoing absence of winter in the Front Range. “Barker” is Barker Meadow Reservoir at ~8300’ in the mountains west of Boulder. I my time living in Ned, I’ve never seen Barker this ice free on Mar 1…nor seen much precip fall in liquid form. Wild.
And the radar itself looks to have been about 3 miles from taking a direct hit from a likely sigtor not too long after the VAD sample yikes…
NOAA GOES 18 weather satellite’s Geostationary Lightning Mapper (GLM) instrument detected the atmospheric re-entry of NASA’s Artemis II Orion capsule over the Pacific Ocean between Hawaii and southern California just before 23:56 GMT — too cool! #ArtemisII #NASA #NOAA
Good 12” here in Ned. Still snowing. After Larimer County got bullseyed yesterday I thought the 1’+ totals may skip to the north of the southwest Boulder County mountains. But, steady snow overnight brought things up to par with expectations. Woohoo! #cowx
