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Archive: Aug 2011

Hurricane Irene over the Atlantic Ocean

Category two Hurricane Irene (shown in the rocking animation above) is over the South Atlantic Bight after moving through the Bahamas on August 25th. The projected path is over coastal North Carolina and then towards New England. What factors will control future changes in strength?Morphed microwave imagery, above (and available... Read More

Overshooting Tops in Hurricane Irene

Automated detection of overshooting tops allows identification of regions of intense convective updrafts that penetrate into the stratosphere. Overshooting tops correlate well with regions of intense rainfall and with severe weather. In tropical systems, overshooting tops are most frequent during intensification. The loop above shows overshooting tops (identified as the... Read More

Hurricane Irene

On 22 August 2011 Tropical Storm Irene intensified to become the first Atlantic basin hurricane of the 2011 season. McIDAS images of GOES-13 0.63 µm visible channel data (above; click image to play animation) showed that while no eye was yet apparent, a number of discrete convective bursts could be seen during... Read More