NHC Graphical Outlook Archive
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ZCZC MIATWOAT ALL TTAA00 KNHC DDHHMM TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT SAT AUG 27 2011 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON HURRICANE IRENE...LOCATED ABOUT 30 MILES EAST-SOUTHEAST OF NORFOLK VIRGINIA. 1. A LARGE AREA OF SHOWERS AND THUNDERSTORMS JUST OFF THE WEST COAST OF AFRICA IS ASSOCIATED WITH A TROPICAL WAVE. THIS WAVE IS SHOWING SOME SIGNS OF ORGANIZATION...AND ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR ADDITIONAL DEVELOPMENT OVER THE NEXT COUPLE OF DAYS. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT ABOUT 10 MPH. 2. A SMALL AREA OF LOW PRESSURE LOCATED ABOUT 220 MILES SOUTH OF BERMUDA CONTINUES TO PRODUCE BURSTS OF SHOWERS AND THUNDERSTORMS. HOWEVER...UPPER-LEVEL WINDS ARE EXTREMELY UNFAVORABLE FOR FURTHER DEVELOPMENT OF THIS SYSTEM...AND IT HAS A LOW CHANCE...NEAR 0 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES GENERALLY NORTHWARD AT 15 TO 20 MPH. SHOWERS AND THUNDERSTORMS WITH SOME GUSTY WINDS COULD AFFECT BERMUDA ON SATURDAY. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER BERG NNNN
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