1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed a mountain wave cloud over southcentral Alaska — beneath which a landspout tornado developed in the Chugach Mountains just southwest of Anchorage (PANC) at 0413 UTC on 20 April 2024 (8:13 PM local time on 19... Read More

The animation below from the CSPP Geosphere website (direct link to animation) shows regions of low clouds, some of which develop in the vertical, and some of which do not (see annotated image underneath the animation). Is there a product that can be used to discriminate between these two regions?GOES-18 Total Precipitable Water fields,... Read More