GOES-16 (GOES-East) “Red” Visible (0.64 µm) images (above) showed a string of mesovortices over the eastern portion of Lake Superior, along with a small, isolated mesovortex just offshore in the western portion of Lake Superior on 13 February 2022. Increasing ice coverage was also seen along the edges of the lake.Farther to the... Read More

GOES-16 (GOES-East) Day Snow-Fog RGB images (above) showed the signature of widespread horizontal convective rolls — which highlighted areas where blowing snow was creating ground blizzard conditions — across parts of eastern North Dakota and far western Minnesota on 11 February 2022. The elongated bands of blowing snow were more concentrated where they were... Read More

This presentation from the TOWR-S Satellite Book Club details TOWR-S RPM 22 additions to AWIPS (additions spearheaded by Tim Schmit and Bill Line, both from NOAA/STAR) that add Level 2 product readouts to RGBs in AWIPS. Thus, for example, the Airmass RGB, above, is underlain by Level 2 products: Cloud Mask and Total Precipitable Water (TPW) and... Read More

Suomi-NPP VIIRS Visible (0.64 µm) images (above) revealed numerous cloud plumes that were emanating from natural gas flaring sources at oil drilling sites across the North Slope of Alaska on 08 February 2022. Surface air temperatures were around -50°F in that area, with Deadhorse setting a daily record low of -53°F.A sequence of Suomi-NPP... Read More