000 WTNT64 KNHC 161459 TCUAT4 HURRICANE DEAN TROPICAL CYCLONE UPDATE NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 1100 AM AST THU AUG 16 2007 AT 1100 AM AST...1500 UTC...THE TRINIDAD AND TOBAGO METEOROLOGICAL SERVICE HAS JUST CHANGED THE TROPICAL STORM WATCH TO A TROPICAL STORM WARNING FOR GRENADA AND ITS DEPENDENCIES. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. $$ FORECASTER PASCH