At the CIMSS Satellite Blog, we occasionally get emails from our readers. Yesterday’s (6 February 2024) email included this one: I was doing some forecasting for the Canadian Arctic today and noticed a veryimpressive blowing snow signature on satellite; not that blowing snow isuncommon up there, but rather that the... Read More
Abundant convection over the southern Pacific Ocean has organized into a tropical cyclone (named Nat) as the system moved to the east of the Samoan Islands. GOES-18 infrared imagery, above, shows the strong convection that developed just east of Olosega; by 0700 UTC on 5 February 2024, very cold cloud tops (brightness temperatures cooler than -90oC)... Read More
The Direct Broadcast antenna at the UW-Madison CIMSS can receive information over much of the contiguous United States. This includes the NOAA-20 overpass that acquired data around 0910 UTC over southern California during a frontal passage. NOAA-20 supports both the Visible Infrared Imaging Radiometer Suite (VIIRS) and the Advanced Technology Microwave Sounder... Read More
The Night Microphysics RGB animation below, taken from the CSPP Geosphere website (direct link to animation) shows strong convection over the central Gulf of Mexico along with cloud conditions in the surrounding states. Note, for example, the expanding region of low clouds over Texas. The annotated images below (0216, 0646 and 1046 UTC) highlight... Read More
