NHC Graphical Outlook Archive

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ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT WED JUL 21 2010

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

1. A TROUGH OF LOW PRESSURE ASSOCIATED WITH A TROPICAL WAVE IS LOCATED
NEAR THE SOUTHEASTERN BAHAMAS.  THIS SYSTEM CONTINUES TO PRODUCE
DISORGANIZED CLOUDINESS...SHOWERS...AND THUNDERSTORMS MAINLY TO THE
EAST OF THE TROUGH.  DATA FROM THE NOAA G-IV JET INDICATE THAT
UPPER-LEVEL WINDS ARE NOT CONDUCIVE FOR DEVELOPMENT AT THIS
TIME...ALTHOUGH THEY COULD BECOME MARGINALLY FAVORABLE IN A DAY OR
TWO.  LOCALLY HEAVY SHOWERS AND GUSTY WINDS ASSOCIATED WITH THIS
DISTURBANCE WILL SPREAD OVER THE BAHAMAS...PORTIONS OF CUBA AND
SOUTHERN FLORIDA DURING THE NEXT COUPLE OF DAYS AS THE SYSTEM MOVES
WESTWARD OR WEST-NORTHWESTWARD AT 10 TO 15 MPH.  THERE IS A MEDIUM
CHANCE...40 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE
DURING THE NEXT 48 HOURS. 

2. SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH A BROAD AREA OF LOW
PRESSURE OVER THE BAY OF CAMPECHE HAS BECOME A LITTLE BETTER
ORGANIZED TODAY.  THIS SYSTEM IS EXPECTED TO MOVE WESTWARD OR
WEST-NORTHWESTWARD AT 10 TO 15 MPH.  ENVIRONMENTAL CONDITIONS
APPEAR TO BE FAVORABLE FOR SOME DEVELOPMENT OF THE LOW BEFORE IT
REACHES THE NORTHEAST COAST OF MEXICO IN A COUPLE OF DAYS.  THERE
IS A MEDIUM CHANCE...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 KIMBERLAIN/PASCH
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