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Category: POES

Mid-tropospheric gravity waves upwind of intense convection

McIDAS images of 4-km resolution GOES-13 6.5 µm water vapor channel data (above; click image to play animation) showed a well-defined warm/dry “arc” feature (denoted by the brighter yellow color enhancement) just upwind of a large Mesoscale Convective System (MCS) that was moving eastward along the northern Gulf of Mexico... Read More

Fires burning across eastern Oklahoma

AWIPS images of 4-km resolution GOES-13 3.9 µm shortwave IR data (above; click image to play animation) displayed a number of “hot spots” (black to red to yellow  color enhancement) associated with fires that were burning across much of eastern Oklahoma on 23... Read More

“Plume of unknown etiology” moving over Alaska

McIDAS images of GOES-11 0.65 µm visible channel data (above; click image to play animation) showed an interesting “dark plume” feature that was moving in an arc from far northeastern Russia, across the East Siberian Sea and Chukchi Sea, and finally over far northwestern Alaska on 16 March – 17... Read More