1-minute Mesoscale Domain Sector GOES-16 (GOES-East) images showed clusters of severe thunderstorms that developed in the vicinity of the North Carolina / South Carolina border on 20 April 2024 — “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) included time-matched plots of preliminary/filtered SPC Storm Reports for these thunderstorms, which produced wind gusts as high... Read More

he NWS Forecast Office in Honolulu late on Thursday (8:33 PM local time 11 April, or 0633 UTC on 12 April) issued a Severe Thunderstorm warning for the island of Niihau to the southwest of Kauai. Subsequently, flood warnings were issued for Kauai. The animation above (from the southwest corner of the GOES-18 PACUS domain) shows the... Read More

30-second (ending at 1200 UTC) and 1-minute Mesoscale Domain Sector GOES-16 “Clean” Infrared Window (10.3 µm) images (above) included plots of time-matched (within +/- 3 minutes) plots of SPC Storm Reports (09 April | 10 April) across parts of Texas, Louisiana, Mississippi and Alabama on 10 April 2024. The corresponding 1-minute GOES-16 “Red” Visible (0.64 µm) images after... Read More

5-minute CONUS Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images that included an overlay of GLM Flash Extent Density (above) revealed 2 brief flashes of lightning activity in southern Wisconsin during the afternoon hours on 02 April 2024. Heavy thundersnow (+TSSN) was reported at Madison (station identifier KMSN) at 2047 UTC and 2053 UTC, with the thunderstorm... Read More