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Category: Air quality

Strong thunderstorms along a cold front moving across Argentina and Uruguay

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) + Total Precipitable Water (TPW) images (above) showed severe thunderstorms that developed along a cold front that moved north-northeast across Argentina and Uruguay on 01-02 December 2023. Pulses of thunderstorm overshooting tops occasionally exhibited infrared brightness temperatures in the -85 to -90ºC range (brighter white... Read More

Plume of airborne glacial silt from the Copper River Valley in southcentral Alaska

Strong gap winds accelerating out of the Copper River Valley — located along the coast of southcentral Alaska — were lofting fine particles of glacial silt/sand, and transporting those aerosols southward across the Gulf of Alaska during 20-22 October 2023. 10-minute GOES-18 (GOES-West) Dust Red-Green-Blue (RGB) images created using Geo2Grid (above) displayed the... Read More