GOES-18 (GOES-West) and GOES-16 (GOES-East) True Color RGB images from the CSPP GeoSphere site (above) showed hazy arcs of blowing dust lofted by Tehuano gap winds that emerged from the south coast of Mexico — which spread out across the Gulf of Tehuantepec and the adjacent waters of the Pacific Ocean... Read More
10-minte Full Disk scan GOES-18 (GOES-West) Air Mass RGB images (above) showed a large cyclone as it deepened to a 936 hPa Hurricane Force Low while approaching the Aleutian Islands of Alaska on 02-03 January 2024 (surface analyses). The Sea Level Pressure dropped to at least 945.6 hPa at Dutch Harbor/Unalaska (METAR identifier PADU), which... Read More
MIMIC Total Preciptable Water (TPW) Fields (from this site), below, for the 24 hours ending 1300 UTC on 26 December 2023, show the Samoan Islands (at 13-14oS, ~172oW) in the middle of the South Pacific Convergence Zone (SPCZ) that stretches east-southeastward across the South Pacific. Pago Pago has received more than 20″... Read More
Airmass RGB imagery every hour from 1000 UTC on 14 December through 1900 UTC on 15 December, below, overlain on top of GOES-18 Level 2 Total Preciptable Water, show strong convection in between Tutuila and the Manu’a islands of American Samoa mostly ending after 0000 UTC on 15 December, but... Read More
