Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
By: Dr. Jeff Masters , 2:29 PM GMT on July 14, 2007
There are no threat areas in the tropical Atlantic to discuss, and none of the reliable computer models are forecasting tropical storm formation over the coming week. Note that the Canadian CMC model has been regularly forecasting formation of tropical storms this season that have not occurred, so I am not including this model as one of our "reliable" models.
The long-range GFS model continues to forecast that the persistent trough of low pressure that has been present over the Eastern U.S. the past two months will finally move off, to be replaced by a ridge of high pressure by late July. This would bring a hurricane steering pattern much like we saw in 2004 and 2005, with increased risk for the Gulf of Mexico and reduced risk for the U.S. East Coast from the Carolinas northward. The east coast of Florida would remain at normal to above normal risk.
Figure 1. The eye of Typhoon Man-Yi showed pentagonal symmetry on July 12, 2007, when it was a Category 4 typhoon. Image credit: NASA.
In the Pacific, Typhoon Man-Yi battered Japan's Kyushu island yesterday, striking as a Category 1 storm. The typhoon killed one and injured 56 in Japan, according to preliminary media reports. The typhoon should weaken to a tropical storm by Sunday as the combined effects of winds shear, cooler waters, and interaction with land take their toll. Some weather links for those following the typhoon:
Japanese radar. Click on an area of interest to zoom in.
Latest satellite images of Typhoon Man-Yi, courtesy of NOAA.
Guam sector satellite images.
Awesome image of Man-Yi from NASA's Aqua satellite.
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