NHC Graphical Outlook Archive

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Graphical TWO atl

ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT MON AUG 24 2009

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

1. SHOWERS AND THUNDERSTORMS REMAIN DISORGANIZED IN ASSOCIATION WITH A
TROPICAL WAVE INTERACTING WITH AN UPPER-LEVEL LOW ABOUT 300 MILES
EAST-NORTHEAST OF THE LEEWARD ISLAND. UPPER-LEVEL WINDS MAY BECOME
MORE FAVORABLE FOR SLOW DEVELOPMENT OF THIS SYSTEM OVER THE NEXT
COUPLE OF DAYS AS IT MOVES TOWARD THE WEST-NORTHWEST AT AROUND 25
MPH. THERE IS A MEDIUM CHANCE...30 TO 50 PERCENT...OF THIS SYSTEM
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

2. A BROAD AREA OF LOW PRESSURE LOCATED OVER THE SOUTHWESTERN
CARIBBEAN SEA IS PRODUCING SCATTERED SHOWER AND THUNDERSTORM
ACTIVITY. ANY FURTHER DEVELOPMENT OF THIS SYSTEM SHOULD BE SLOW TO
OCCUR DUE TO PROXIMITY TO LAND. REGARDLESS OF DEVELOPMENT...HEAVY
RAINFALL IS POSSIBLE OVER NICARAGUA...COSTA RICA...AND PANAMA
TONIGHT AND TUESDAY AS THE LOW MOVES WESTWARD AT 20 TO 25 MPH.
THERE IS A LOW CHANCE...LESS THAN 30 PERCENT...OF THIS SYSTEM
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

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

$$
FORECASTER BRENNAN
NNNN

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