GOES-16 (GOES-East) Upper-level Water Vapor (6.2 µm) and Air Mass Red-Green-Blue (RGB) images (above) displayed a series of shear vortices migrating southwestward over the western US on 09 November 2020. The “dynamic tropopause” — taken to be the pressure of the PV1.5 surface — descended to the 500-600 hPa level within the largest and... Read More

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.35 µm) and “Red” Visible (0.64 µm) images (above) showed Tropical Storm Eta as it began to move across the Florida Straits after 15 UTC on 08 November 2020. Deep convection began to develop across far southern Florida around 02 UTC on 09 November, just north of Eta’s broad circulation center — and... Read More

The CIMSS Direct Broadcast site is now routinely creating True-Color imagery over 6 different domains: The Great Lakes, and each of the 5 individual lakes: Superior, Huron, Michigan, Erie, Ontario (Click on each image to see the domain). File name examples are shown here. Suomi NPP and NOAA-20 are in similar orbits,... Read More

GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed a narrow northwest-to-southeast oriented swath of snow cover across far northwestern Pennsylvania on 04 November 2020. With full sunshine and strong southerly winds helping air temperatures warm into the 60s F, this narrow band of snow cover melted by the end of the day.... Read More