[Tropical] Tropical Weather Outlook and Summary

[EMWIN Server]

ABNT20 KNHC 042335
TWOAT
TROPICAL WEATHER OUTLOOK
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT SUN JUL 4 2010

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

A SMALL BUT WELL ORGANIZED LOW PRESSURE SYSTEM IS LOCATED ABOUT 125
MILES SOUTH-SOUTHEAST OF THE CENTRAL LOUISIANA COAST. THIS LOW IS
EXPECTED TO MOVE NORTHWARD AT 5 TO 10 MPH OVER THE NEXT 12 HOURS OR
SO...THEN TURN NORTHWESTWARD AFTER THAT. ENVIRONMENTAL CONDITIONS
ARE ONLY MARGINALLY CONDUCIVE FOR DEVELOPMENT...AND THERE IS A LOW
CHANCE...20 PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE
BEFORE IT MOVES INLAND BY MONDAY EVENING.

A VIGOROUS TROPICAL DISTURBANCE LOCATED OVER THE NORTHWESTERN
CARIBBEAN SEA IS BECOMING BETTER ORGANIZED. ALTHOUGH THERE DOES NOT
APPEAR TO BE A CLOSED SURFACE CIRCULATION AT THIS TIME...NEARBY
SHIP AND BUOY OBSERVATIONS INDICATED WINDS OF TROPICAL-STORM-FORCE
BRIEFLY OCCURRED IN ASSOCIATION WITH THIS SYSTEM DURING THE PAST
FEW HOURS. ENVIRONMENTAL CONDITIONS ARE CONDUCIVE FOR DEVELOPMENT
OF THIS DISTURBANCE AS IT MOVES GENERALLY WEST-NORTHWESTWARD AT 10
TO 15 MPH...AND A TROPICAL DEPRESSION COULD DEVELOP DURING THE NEXT
COUPLE OF DAYS.  THERE IS A MEDIUM CHANCE...50 PERCENT...OF THIS
SYSTEM BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.
LOCALLY HEAVY RAINFALL AND STRONG GUSTY WINDS WILL BE POSSIBLE OVER
GRAND CAYMAN ISLAND AND MUCH OF THE NORTHWESTERN CARIBBEAN SEA OVER
THE NEXT DAY OR SO.

A BROAD TROUGH OF LOW PRESSURE LOCATED ABOUT 150 MILES NORTHEAST OF
THE BAHAMAS IS PRODUCING A LARGE AREA OF CLOUDINESS AND SHOWERS.
THIS SYSTEM IS CURRENTLY MOVING EASTWARD AT 10 TO 15 MPH...BUT IS
EXPECTED TO GRADUALLY SLOW DOWN AND POSSIBLY BECOME STATIONARY EAST
OF THE BAHAMAS. UPPER-LEVEL WINDS ARE ONLY MARGINALLY CONDUCIVE FOR
DEVELOPMENT AND THERE IS A LOW CHANCE...10 PERCENT...OF THIS SYSTEM
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

AN AREA OF DISTURBED WEATHER APPROACHING THE LESSER ANTILLES WILL
BRING LOCALLY HEAVY RAINFALL AND GUSTY WINDS TO THE LEEWARD AND
NORTHERN WINDWARD ISLANDS...THE VIRGIN ISLANDS...AND PUERTO RICO
DURING THE NEXT COUPLE OF DAYS. ENVIRONMENTAL CONDITIONS COULD
ALLOW FOR SOME SLOW DEVELOPMENT OF THIS DISTURBANCE AS IT MOVES
WEST-NORTHWESTWARD AT ABOUT 15 MPH. THERE IS A LOW CHANCE...20
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 CANGIALOSI/STEWART


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