An unusually deep midlatitude cyclone — which easily met the criteria of a “bomb cyclone”, with its central pressure dropping 25 hPa in only 12 hours (surface analyses) — developed over the central US on 13 March 2019 (WPC storm summary). GOES-16 (GOES-East) Air Mass RGB images from the AOS site (above) showed the large size of... Read More

GOES-16 (GOES-East) Near-Infrared “Snow/Ice” (1.61 µm) images (above) revealed a darkening signature resulting from a brief period of snow melt during the daytime hours on 12 March 2019. As a southerly flow of warm air (coupled with abundant solar insolation) began to melt the top surface of the deep snow cover,... Read More

SSEC and CIMSS have released a processing package that converts GOES-R Level-1b Radiance files to full-resolution imagery. Geo2Grid is part of the CSPP-Geo package and offers a flexible scriptable method to convert data into imagery. It can be downloaded at this site (Free registration may be required). Documentation is available at... Read More

A Saharan Air Layer (SAL) outbreak is occurring over the eastern Atlantic Ocean on 11-12 March 2019. The animation above shows the Split-Window Difference (10.3 µm – 12.3 µm) (link, from this website) color-enhanced to accentuate in red/pink/white the regions where Saharan Dust has been lofted into the atmosphere. This outbreak... Read More