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Archive: Jul 2008

Using GOES imagery over northern Alaska

Given the rather large satellite viewing angle (or “zenith angle”) of geostationary satellites positioned over the Equator, one would think that the imagery would not be of much value over places such as far northern Alaska. However, a forecast discussion issued by Fairbanks, Alaska mentioned the utility of GOES visible... Read More

Undular Bore off of Africa

Jesse Ferrell highlighted an undular bore emerging off the coast of Africa this morning, as seen in the annotated 1200 UTC Meteosat-9 image above (or click here). Bores occur when impulses move underneath stable layers, exciting a series of closely-spaced lines of clouds, as shown here, for example. Bores are associated with... Read More