000 WTNT64 KNHC 180135 TCUAT4 HURRICANE DEAN TROPICAL CYCLONE UPDATE NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 930 PM AST FRI AUG 17 2007 DATA FROM THE AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT CURRENTLY INVESTIGATING HURRICANE DEAN INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO 145 MPH...CATEGORY FOUR ON THE SAFFIR-SIMPSON HURRICANE SCALE. $$ FORECASTER KNABB