Saturday, August 25, 2012

Tropical Storm Isaac 2am ET advisory issued; storm is 55 miles SW of Port au Prince, Haiti - @NHC_Atlantic

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  ZCZC MIATWOAT ALL  TTAA00 KNHC DDHHMM    TROPICAL WEATHER OUTLOOK  NWS NATIONAL HURRICANE CENTER MIAMI FL  200 AM EDT SAT AUG 25 2012    FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...    THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL  STORM ISAAC...LOCATED ABOUT 55 MILES SOUTHWEST OF PORT AU PRINCE  HAITI.    1. A WEAK AREA OF LOW PRESSURE...THE REMNANTS OF TROPICAL DEPRESSION  JOYCE...IS LOCATED ABOUT 750 MILES EAST-NORTHEAST OF THE LEEWARD  ISLANDS.  ENVIRONMENTAL CONDITIONS DO NOT APPEAR FAVORABLE FOR THE  REMNANT LOW TO REGENERATE INTO A TROPICAL CYCLONE DURING THE NEXT  COUPLE OF DAYS.  THIS SYSTEM HAS A LOW CHANCE...10 PERCENT...OF  BECOMING A TROPICAL CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT  MOVES WEST-NORTHWESTWARD TO NORTHWESTWARD AT ABOUT 20 MPH.    2. THERE HAS BEEN LITTLE CHANGE IN THE SHOWER AND THUNDERSTORM ACTIVITY  ASSOCIATED WITH A BROAD AREA OF LOW PRESSURE CENTERED ABOUT 300  MILES SOUTHWEST OF THE CAPE VERDE ISLANDS.  ENVIRONMENTAL  CONDITIONS ARE MARGINALLY CONDUCIVE FOR DEVELOPMENT AS THE SYSTEM  MOVES TOWARD THE WEST-NORTHWEST AT 10 TO 15 MPH. THIS SYSTEM HAS A  MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING  THE NEXT 48 HOURS.    ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE  NEXT 48 HOURS.    $$  FORECASTER SCHAUER/ROBERTS  NNNN    

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Page last modified: Friday, 12-Aug-2011 12:59:09 UTC