[Tropical] Tropical Weather Outlook and Summary

[EMWIN Server]

ABNT20 KNHC 052109
TWOAT
SPECIAL TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
510 PM EDT MON JUL 5 2010

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

A SMALL WELL-DEFINED LOW PRESSURE SYSTEM LOCATED ABOUT 50 MILES
SOUTH-SOUTHEAST OF MORGAN CITY LOUISIANA IS MOVING ONSHORE
TERREBONNE PARISH NEAR CAILLOU BAY. DOPPLER RADAR AND SATELLITE
DATA INDICATE THAT SUSTAINED WINDS NEAR TROPICAL-STORM-FORCE COULD
OCCUR ACROSS TERREBONNE PARISH...ESPECIALLY IN TERREBONNE
BAY...LATE THIS AFTERNOON AND EARLY EVENING AS THE SYSTEM MOVES
ONSHORE. THERE IS A HIGH CHANCE...60 PERCENT...OF THIS SYSTEM
BECOMING A TROPICAL CYCLONE BEFORE IT MOVES ONSHORE. THIS SYSTEM
WILL MOVE SLOWLY NORTHWESTWARD AFTER LANDFALL AND PRODUCE LOCALLY
HEAVY RAINFALL OVER PORTIONS OF SOUTH-CENTRAL AND SOUTHEASTERN
LOUISIANA. INTERESTS SHOULD MONITOR PRODUCTS ISSUED BY THEIR LOCAL
NATIONAL WEATHER FORECAST OFFICE FOR ADDITIONAL UPDATES AND ANY
WATCHES OR WARNINGS.

A BROAD AREA OF LOW PRESSURE OVER THE NORTHWESTERN CARIBBEAN SEA AND
THE SOUTHEASTERN GULF OF MEXICO IS PRODUCING WIDESPREAD CLOUDINESS
AND DISORGANIZED THUNDERSTORMS.  UPPER-LEVEL WINDS ARE FORECAST TO
BECOME MORE CONDUCIVE FOR DEVELOPMENT...AND A TROPICAL DEPRESSION
COULD FORM OVER THE NEXT COUPLE OF DAYS AS THIS SYSTEM MOVES
NORTHWESTWARD AT ABOUT 15 MPH.  THERE IS A MEDIUM CHANCE...30
PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE
NEXT 48 HOURS.  REGARDLESS OF DEVELOPMENT...LOCALLY HEAVY RAINFALL
AND GUSTY WINDS ARE POSSIBLE OVER THE YUCATAN PENINSULA AND WESTERN
CUBA OVER THE NEXT DAY OR SO.

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

$$
FORECASTER STEWART/CANGIALOSI

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