The third named storm of the Eastern Pacific tropical season has formed. (Click here for NHC‘s public advisory on the naming of Calvin) The mp4 animation above (click here for an animated gif) shows the evolution of the system for the 24 hours ending at 1210 UTC on 12 July... Read More

GOES-18 (GOES-West) “Clean” Infrared Window (10.3 µm) and “Red” Visible (0.64 µm) images (above) included plots of the 15 Severe Thunderstorm Warning polygons issued by NWS Fairbanks on 07 July 2023 — which was a record number of warnings issued by that forecast office for a single calendar day. The coldest cloud-top 10.3... Read More

GOES-18 (GOES-West) Day Land Cloud Fire RGB, Shortwave Infrared (3.9 µm), “Clean” Infrared Window (10.3 µm) and Near-Infrared “Vegetation” (0.86 µm) images with an overlay of the Fire Power derived product (a component of the GOES Fire Detection and Characterization Algorithm FDCA) (above) showed that the Hossitl Creek wildfire complex northeast of Fort Nelson (CYYE) — in far northeastern British Columbia... Read More

GOES-18 (GOES-West) Nighttime Microphysics RGB and daytime True Color RGB images from the CSPP GeoSphere site (above) displayed the cyclonic circulation of an actinoform cloud feature as it moved westward toward Hawai`i on 03 July 2023.A closer view using GOES-18 “Red” Visible (0.64 µm) and Day Cloud Phase Distinction RGB images (below) showed the actinoform cloud as it... Read More