NHC Graphical Outlook Archive
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ZCZC MIATWOAT ALL TTAA00 KNHC DDHHMM TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 200 AM EDT MON SEP 19 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... 1. A WELL-DEFINED LOW PRESSURE AREA IS LOCATED OVER THE CENTRAL TROPICAL ATLANTIC ABOUT 1450 MILES EAST OF THE WINDWARD ISLANDS. THUNDERSTORM ACTIVITY HAS BECOME BETTER ORGANIZED AND MORE CONCENTRATED NEAR THE CENTER OF THE LOW...AND ENVIRONMENTAL CONDITIONS APPEAR FAVORABLE FOR THE DEVELOPMENT OF A TROPICAL DEPRESSION DURING THE NEXT COUPLE OF DAYS. THIS SYSTEM HAS A HIGH CHANCE...60 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT ABOUT 10 MPH. 2. THUNDERSTORMS HAVE REDEVELOPED NEAR THE CENTER OF A SMALL LOW PRESSURE SYSTEM LOCATED ABOUT 950 MILES EAST OF THE NORTHERN LEEWARD ISLANDS. HOWEVER...ANY FURTHER DEVELOPMENT OF THIS SYSTEM SHOULD BE SLOW TO OCCUR DUE TO UNFAVORABLE UPPER-LEVEL WINDS. THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT 10 TO 15 MPH. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART NNNN
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