The Storm Prediction Center in Norman issued a Slight Risk (click for map, from here) of severe weather over portions of southeast TX on 6 January 2021. The Day Cloud Phase Distinction RGB, shown above (click the image to animate) shows a developing line of convection stretching through the SLGT RSK area... Read More
GOES-17 (GOES-West) Low-level (7.3 µm), Mid-level (6.9 µm) and Upper-level (6.2 µm) Water Vapor images (above) revealed cold thermal signatures (brighter shades of white) associated with the highest-elevation portions of the Alaska Range on 05 December 2020. Note the slight northward shift (16-20 km, or 10-12 miles) in the apparent location of Denali... Read More
Late November is a time when cold outbreaks can pass over relatively warm Great Lakes waters (click here for recent observations) and produce lake-effect snow. Gridded NUCAPS observations derived from NOAA-20 CrIS and ATMS data, above, shows a large area with temperatures colder than -12ºC over northwest Ontario and northern Minnesota,... Read More
The East Troublesome Fire in Colorado expanded greatly on 21 October (click here for more information), and produced pyrocumulus clouds. NOAA-20 overflew the fire at around 1930 UTC (linked-to overpass map from this site) on 21 October, and NUCAPS profiles, shown above, diagnosed the stability of the mid- and upper-troposphere. The toggle below between the NOAA-20 VIIRS Visible (0.64 µm) and Infrared (11.45 µm) imagery and NUCAPS Sounding availability... Read More
