Tropical Storm 12L intensified on the evening of 31 August to become Hurricane Katia, the second Atlantic basin hurricane of the 2011 season. GOES-13 10.7 µm IR images from the CIMSS Tropical Cyclones site (above) showed the development of deep organized convection both east and west of the storm center.A DMSP SSMIS 85... Read More
An area of disturbed weather that emerged off the coast of Africa over the weekend has acquired sufficient organized convection to be classified as a Tropical Storm, Katia, the 11th named storm of this active Atlantic Hurricane Season. Analyses from the CIMSS Tropical Weather Website show the storm just south of a region of dry air from the Sahara. Shear analyses at the... Read More
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
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
