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Originally posted by Sky watcher
Its a cat 5 now at 160mph.
DATA FROM THE AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT CURRENTLY
INVESTIGATING HURRICANE DEAN INDICATE THAT MAXIMUM SUSTAINED WINDS
HAVE INCREASED TO 160 MPH...MAKING DEAN A POTENTIALLY CATASTROPHIC
CATEGORY FIVE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE.
wtnt64 knhc 210034
hurricane dean tropical cyclone update
nws tpc/national hurricane center miami fl al042007
835 pm ast mon aug 20 2007
data from the air force reserve hurricane hunter aircraft currently
investigating hurricane dean indicate that maximum sustained winds
have increased to 160 mph...making dean a potentially catastrophic
category five hurricane on the saffir-simpson hurricane scale.
Hurricane Dean has intensified into the first Category 5 storm in the Atlantic since Hurricane Wilma of 2005. The latest Hurricane Hunter fix at 8:34pm EDT found 185 mph winds at their flight level of 10,000 feet, which corresponds to surface winds of 160 mph. The pressure had dropped to 914 mb, and I expect Dean will strengthen right up until landfall. Landfall is expected near Chetumal, Mexico, just after midnight local time. Dean will be a tremendously destructive storm for southern Mexico. Dean is powerful enough to be able to survive the crossing of the Yucatan as a Category 2 hurricane, and hurricane advisories have been posted for cities on the western coast of the Yucatan Peninsula. The only hurricanes on record that survived crossing this portion of the Yucatan and maintaining hurricane intensity were Hurricane Roxanne of 1995, which hit just south of Cozumel as a Category 3, and emerged near Campeche as a Category 1; and Hurricane Janet of 1955, which hit near Chetumal as a Category 5 storm, then weakened to a Category 2 storm when it popped out into the Gulf of Mexico south of Campeche. We can expect Dean will carve out a path of great destruction all the way across the Yucatan Peninsula, then potentially re-intensify before hitting Mexico again along the Gulf Coast in the Bay of Campeche.
Originally posted by Indy
There is something fishy going on with the latest updates. 160mph at 11pm was conservative based on recon reports. Since 11pm the satellite signature showed signs of additional strengthening. The pressure was lowered to 911mb but they held the winds the same.
Hurricane Dean has begun to lash Mexico's Caribbean coast, with heavy rain and howling winds battering beach resorts where thousands of tourists are huddling in shelters.
"It is a hugely destructive storm - you don't see Category Five hurricanes every day," said Sky News weather presenter Isobel Lang.