One focus on day 4 of HWT in Norman was the North Platte, Nebraska (WFO LBF) County Warning Area (CWA) over western Nebraska. This was near a gradient in the Storm Prediction Center Convective Outlook that had an enhanced risk

GCOM-W1 AMSR-2 89 GHz Brightness Temperatures, 1628 UTC on 22 May 2024 (Click to enlarge) The AMSR-2 89-GHz brightness temperature image above (courtesy Brandon Aydlett, WFO GUM), from 1628 UTC on 22 May 2024 (downloaded at the Guam National Weather

Modeled 500-mb updraft velocity hourly from 1800 to 2200 UTC on 22 May 2024, forecast hour as indicated (Click to enlarge) The San Angelo TX forecast office (WFO SJT) was an area of focus during HWT at SPC on 22

JMA Himawari-9 “Red” Visible (0.64 µm, left) and “Clean” Infrared Window (10.4 µm, right) images, with a cyan * marking the estimated location of the turbulence encounter at 0749 UTC on 21 May [click to play animated GIF | MP4]

A WRF model run that includes assimilated Low-Earth-Orbit (LEO) satellite sounder data (fused with ABI data) is being evaluated at the Hazardous Weather Testbed (Blog posts from forecasters at HWT are here). On 20 May 2024, the PHS model output

1-minute GOES-16 Visible/Infrared Sandwich RGB images with time-matched Local Storm Reports plotted in cyan [click to play animated GIF | MP4] While much of Kansas was under a “Particularly Dangerous Situation” Severe Thunderstorm Watch, 1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Visible/Infrared Sandwich RGB images (above) showed