03 August 2008 marked the 22nd consecutive day of daily high temperatures of 90º F or higher at Denver, Colorado (the old record was 18 consecutive days, set back in 1874 and 1901). AWIPS images of the MODIS Land Surface Temperature (LST) product (above) revealed daytime LST values as high... Read More
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
As noted in the previous Blog entry, Tropical Storm Bertha became the Atlantic Basin’s second tropical storm on 03 July 2008. Apparently, Bertha set a new record for the furthest east named storm formation in the tropics (classified as south of 23.5N) prior to 1 August since 1950. It became classified as... Read More
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
