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Archive: Jan 2022

Tropical disturbance near Fiji

GOES-17 ABI and GLM imagery (from this NOAA STAR website), above, over the southern Pacific Ocean show a region of potential tropical cyclogenesis to the west of Fiji, near the western boundary of this mapping. This Invest Area has been percolating for much of the week. Despite low values of shear (shown below,... Read More

Blowing snow across parts of Minnesota and Iowa

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and Day Snow-Fog RGB images (above) displayed NW-to-SE oriented horizontal convective roll cloud features that highlighted areas where blowing snow was reducing surface visibility across southeastern Minnesota and northwestern Iowa during the afternoon hours on 06 January 2022. The visibility dropped to 2 miles at Alberta Lea,... Read More