NWS Duluth requested a GOES-16 (GOES-East) Mesoscale Domain Sector to monitor the potential for lake-enhanced snowfall along the south shore of Lake Superior on 09 November 2018 — and 1-minute “Red” Visible (0.64 µm) images (above) showed the cyclonic flow around abroad area of low pressure over the Great Lakes (surface analyses), along with the formation of... Read More

The Camp Fire started around 1433 UTC or 6:33 AM local time on 08 November 2018 in Northern California; the rapid spread of the fire prompted evacuations and forced road closures. GOES-16 (GOES-East) GOES-16 “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm), “Clean” Infrared Window (10.3 µm) and Fire Temperature (above) showed the initial evolution of the... Read More

Suomi NPP VIIRS Infrared Window (11.45 µm) images (above) showed a well-defined banner cloud extending from the Brooks Range in northern Alaska to the Beaufort Sea on 07 November 2018. Overlays of NAM12 model 250 hPa winds revealed the presence of a branch of the polar jet stream flowing northeastward... Read More

A neat circulation feature appeared this morning northwest of Fargo. #ndwx #mnwx pic.twitter.com/AhLRsVSTZQ — NWS Grand Forks (@NWSGrandForks) November 6, 2018 One interesting aspect of this 06 November 2018 mesoscale vortex (which was embedded within a stratus cloud deck) was the fact that a signature of the feature was evident in imagery from... Read More