000 ABNT20 KNHC 120537 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT SUN SEP 12 2010 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE IGOR...LOCATED ABOUT 1275 MILES EAST OF THE LEEWARD ISLANDS. SHOWERS AND THUNDERSTORMS ARE LIMITED IN ASSOCIATION WITH A BROAD AREA OF LOW PRESSURE LOCATED OVER THE EAST-CENTRAL CARIBBEAN SEA. HOWEVER...ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR DEVELOPMENT OF THIS SYSTEM...AND A TROPICAL DEPRESSION COULD STILL FORM DURING THE NEXT COUPLE OF DAYS AS IT MOVES WESTWARD NEAR 15 MPH. THERE IS A HIGH CHANCE...60 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. REGARDLESS OF DEVELOPMENT...LOCALLY HEAVY RAINFALL IS POSSIBLE IN THE VIRGIN ISLANDS...PUERTO RICO...AND HISPANIOLA DURING THE NEXT DAY OR SO. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN MOUNTAINOUS TERRAIN. SHOWERS AND THUNDERSTORMS CONTINUE TO ORGANIZE IN ASSOCIATION WITH AN AREA OF LOW PRESSURE LOCATED ABOUT 300 MILES EAST-SOUTHEAST OF THE CAPE VERDE ISLANDS. IF CURRENT TRENDS CONTINUE...ADVISORIES COULD BE INITIATED AT ANY TIME TODAY. INTERESTS IN THE CAPE VERDE ISLANDS SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM IN CASE WATCHES OR WATCHES ARE REQUIRED. THERE IS A HIGH CHANCE...90 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES GENERALLY WESTWARD AT 10 TO 15 MPH. A WEAK AREA OF LOW PRESSURE LOCATED ABOUT 900 MILES EAST OF BERMUDA IS PRODUCING DISORGANIZED SHOWER ACTIVITY. DEVELOPMENT OF THIS SYSTEM APPEARS UNLIKELY BEFORE IT IS ABSORBED BY A FRONTAL SYSTEM IN THE NEXT DAY OR SO. THERE IS A LOW CHANCE...10 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES NORTHWARD NEAR 20 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER CANGIALOSI