067
FXCA20 KWBC 281215
PMDCA
TROPICAL DISCUSSION - INTERNATIONAL DESKS
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
715 AM EST TUE FEB 28 2023
PRELIMINARY DISCUSSION FOR PUERTO RICO AND THE USVI FROM FEB
28/12UTC: TODAY DRY CONDITIONS ARE EXPECTED OVER PUERTO RICO AND
THE VIRGIN ISLANDS. WINDS ARE COMING FROM THE GENERAL EAST
DIRECTION AT ABOUT 10 KT. PRECIPITABLE WATER AMOUNTS ARE EXPECTED
TO STAY BELOW NORMAL AT LESS THAN 1 INCH WHILE HUMIDITY IS
EXPECTED TO STAY BELOW 40%. THE HIGH PRESSURE SYSTEM IN THE MID
LEVELS WILL CONTINUE TO ASSOCIATE WITH A TRADE WIND CAP VARYING
BETWEEN 800 TO 900HPA. PRECIPITATION FOR TODAY IS FORECAST TO STAY
BELOW 0.1 INCHES IN THE WESTERN PORTION OF PUERTO RICO.
AS THE WEEK PROGRESSES...DRY CONDITIONS ARE EXPECTED TO CONTINUE.
THE MID-LEVEL RIDGE MEANDERS OVER THE CARIBBEAN BASIN FOR THE NEXT
FIVE DAYS AND THE TRADE WIND CAP IS EXPECTED BETWEEN THE 700 TO
900 HPA LEVELS...LIMITING DEEP CONVECTION OVER THE AREA. AFTER
TODAY...TRADE WINDS INCREASE SLIGHTY WITH SPEEDS OF ABOUT 20KT AND
CONTINUE FROM THE GENERAL EASTERLY DIRECTION. IN
ADDITION...PATCHES OF MOISTURE FROM THE EAST MAY MAKE THEIR WAY
OVER THE ISLANDS BUT SIGNIFICANT RAINFALL IS NOT EXPECTED.
PRECIPITABLE WATER AND RELATIVE HUMIDITY WILL BE BELOW NORMAL FOR
THE FIRST THREE DAYS...BELOW 1 INCH IN PRECIPITABLE WATER AND
BELOW 40% IN RELATIVE HUMIDITY...AND INCREASING SLIGHTLY BY FRIDAY
AND SATURDAY. FROM WEDNESDAY TO FRIDAY...TOTAL PRECIPITATION
AMOUNTS ARE FORECAST BELOW 0.1 INCHES...WHILE SATURDAY MAY SEE
TOTALS BELOW 0.2 INCHES.
ACOSTA...WPC (USA)
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