000 ABNT20 KNHC 211748 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 PM EDT SUN SEP 21 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE LOW PRESSURE SYSTEM LOCATED OVER THE NORTHEASTERN CARIBBEAN SEA ABOUT 50 MILES SOUTH OF PUERTO RICO HAS CONTINUED TO BECOME BETTER ORGANIZED TODAY...AND A TROPICAL DEPRESSION COULD FORM AT ANY TIME AS THE SYSTEM MOVES SLOWLY NORTH OR NORTH-NORTHWESTWARD. AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS CURRENTLY ENROUTE TO INVESTIGATE THE SYSTEM TO PROVIDE MORE INFORMATION ON BOTH ITS STRUCTURE AND STRENGTH. A WIND GUST IN EXCESS OF 40 MPH WAS REPORTED AT ST. THOMAS IN THE U.S. VIRGIN ISLANDS EARLIER TODAY. HEAVY RAINFALL AND STRONG GUSTY WINDS WILL AFFECT PUERTO RICO...THE VIRGIN ISLANDS...AND THE NORTHERN LEEWARD ISLANDS THROUGH MONDAY. INTERESTS IN THESE AREAS SHOULD CLOSELY MONITOR PRODUCTS FROM THEIR LOCAL WEATHER FORECAST OFFICE FOR ADDITIONAL INFORMATION ON THIS SYSTEM. IN ADDITION...A SPECIAL ADVISORY PACKAGE WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER THIS AFTERNOON...IF NECESSARY...WHICH COULD REQUIRE THE ISSUANCE OF WARNINGS AND WATCHES. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART