1-minute Mesoscale Domain Sector GOES-16 (GOES-East) Clean Infrared Window (10.3 µm) images (above) showed a lake effect snow (LES) band that intensified over far eastern Lake Erie, shortly before moving inland across western New York after sunset on 30th November 2024. Intermittent lightning activity was seen immediately inland as the LES band moved across... Read More
Cold air over the Great Lakes (see the plot of 850-mb temperature from RAOB stations at 1200 UTC below; note the similarity in temperatures and wind speeds over the Great Lakes states) means Lake Effect Snow. The animation above (source) shows snow bands over western lower Michigan and also downwind... Read More
GOES-19 (Preliminary/Non-operational) Day Cloud Phase Distinction RGB images (above) — created using Geo2Grid — displayed supercooled “lake effect” clouds (shades of white) streaming southeast off Lake Sakakawea in northwestern North Dakota on 25th November 2024. A smaller cloud plume was also seen streaming southeast off Devils Lake in northeastern North Dakota. Existing snow cover appeared as shades of green... Read More
The distinct hot thermal signature (black to yellow to red pixels) of a new fissure eruption between Stóra-Skógfell and Sýlingarfell on the Reykjanes Peninsula in southwestern Iceland was apparent in 10-minute Full Disk scan GOES-16 (GOES-East) Shortwave Infrared (3.9 µm) images during the 20th-24th November 2024 period (above). Station identifier BIRK is Reykjavik Airport, and... Read More
