Archive: Mar 2011
“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
Ice breakup in the northern portion of Green Bay
A comparison of 250-meter resolution MODIS true color Red/Green/Blue (RGB) images from the SSEC MODIS Today site (above) shows the breakup of ice in the northern portion of Green Bay, Wisconsin. It can be seen that there is a... Read More
Subtropical Storm “Ariani” off the coast of Brazil
Subtropical Storm “Ariani” developed off the southeast coast of Brazil on 15 March 2011. GOES-12 0.65 µm visible channel images (above; click image to play animation) displayed a number of overshooting tops within the large cloud shield of the disturbance. Some hints of a cyclonic (clockwise in the Southern Hemisphere)... Read More