NATIONAL HURRICANE CENTER and
CENTRAL PACIFIC HURRICANE CENTER

NHC Graphical Outlook Archive (Text)

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ZCZC MIATWOAT ALL
TTAA00 KNHC DDHHMM

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT MON OCT 22 2012

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

1. A LARGE LOW PRESSURE SYSTEM LOCATED A COUPLE OF HUNDRED MILES SOUTH
OF JAMAICA IS PRODUCING WIDESPREAD CLOUDINESS AND SCATTERED
THUNDERSTORMS OVER THE CENTRAL AND SOUTHWESTERN CARIBBEAN SEA.
ENVIRONMENTAL CONDITIONS ARE GRADUALLY BECOMING MORE CONDUCIVE FOR
A TROPICAL DEPRESSION TO FORM DURING THE NEXT DAY OR SO. THIS
SYSTEM HAS A HIGH CHANCE...80 PERCENT...OF BECOMING A TROPICAL
CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES SLOWLY TO THE
WEST-SOUTHWEST AND BECOMES NEARLY STATIONARY WELL TO THE SOUTH OF
JAMAICA. HEAVY RAINS FROM THIS DISTURBANCE ARE LIKELY TO SPREAD
OVER JAMAICA...HISPANIOLA...AND EASTERN CUBA DURING THE NEXT
SEVERAL DAYS. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH
FLOODS AND MUD SLIDES...ESPECIALLY IN AREAS OF HIGH TERRAIN. AN AIR
FORCE RESERVE RECONNAISSANCE AIRCRAFT IS SCHEDULED TO INVESTIGATE
THE LOW PRESSURE SYSTEM THIS AFTERNOON...IF NECESSARY.

2. A SURFACE TROUGH INTERACTING WITH AN UPPER-LEVEL LOW IS PRODUCING A
SMALL AREA OF SHOWERS AND A FEW THUNDERSTORMS OVER THE CENTRAL
ATLANTIC ABOUT 750 MILES EAST-NORTHEAST OF THE LEEWARD ISLANDS. 
ENVIRONMENTAL CONDITIONS ARE EXPECTED TO BE CONDUCIVE FOR SOME
DEVELOPMENT BEFORE UPPER-LEVEL WINDS BECOME LESS FAVORABLE ON
TUESDAY.  THIS SYSTEM HAS A MEDIUM CHANCE...40 PERCENT...OF
BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES
NORTHWESTWARD TO NORTH-NORTHWESTWARD AT ABOUT 10 MPH.

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

$$
FORECASTER STEWART
NNNN

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NATIONAL HURRICANE CENTER and CENTRAL PACIFIC HURRICANE CENTER

NHC Graphical Outlook Archive (Text)

NATIONAL HURRICANE CENTER and
CENTRAL PACIFIC HURRICANE CENTER