NHC Graphical Outlook Archive

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ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT THU AUG 11 2011

FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...

1. A BROAD AREA OF LOW PRESSURE CENTERED ABOUT 750 MILES WEST OF
THE SOUTHERN CAPE VERDE ISLANDS IS PRODUCING A LARGE AREA OF
DISORGANIZED SHOWERS AND THUNDERSTORMS. THIS DISTURBANCE IS 
SHOWING SIGNS OF ORGANIZATION...AND ENVIRONMENTAL CONDITIONS 
APPEAR FAVORABLE FOR GRADUAL DEVELOPMENT OVER THE NEXT SEVERAL 
DAYS. THIS SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING 
A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES TOWARD 
THE WEST-NORTHWEST AT 15 MPH.

2. A WELL-DEFINED LOW PRESSURE SYSTEM LOCATED ABOUT 275 MILES SOUTH 
OF THE SOUTHERN CAPE VERDE ISLANDS IS PRODUCING A LARGE AREA OF
CLOUDINESS AND SCATTERED THUNDERSTORMS. ENVIRONMENTAL CONDITIONS
ARE EXPECTED TO GRADUALLY BECOME MORE CONDUCIVE FOR DEVELOPMENT
OVER THE NEXT SEVERAL DAYS AS IT MOVES WESTWARD AT 15 TO 20 MPH.
THE SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF BECOMING A
TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

3. DISORGANIZED SHOWERS AND A FEW THUNDERSTORMS LOCATED OVER THE
ATLANTIC ABOUT MIDWAY BETWEEN THE CAROLINAS AND BERMUDA ARE
ASSOCIATED WITH A BROAD TROUGH OF LOW PRESSURE. ANY DEVELOPMENT OF
THIS AREA OF DISTURBED WEATHER SHOULD BE SLOW TO OCCUR AS IT MOVES
NORTHEASTWARD AT 15 TO 20 MPH. THIS SYSTEM HAS A LOW CHANCE...10
PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER STEWART
NNNN

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