Area Forecast Discussion
Issued by NWS San Juan, PR

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FXCA62 TJSJ 021922
AFDSJU

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
322 PM AST WED SEP 2 2015

.SYNOPSIS...UPPER LEVEL TROUGH WILL LINGER ACROSS THE NORTHEAST
CARIBBEAN THROUGH SATURDAY. SURFACE HIGH PRESSURE WILL DOMINATES
THE LOCAL REGION THROUGH FRIDAY. NEXT TROPICAL WAVE WILL APPROACH
THE LOCAL AREA NEXT WEDNESDAY.

&&

.DISCUSSION...PARTLY CLOUDY SKIES PREVAILED ACROSS PUERTO RICO AND
THE U.S. VIRGIN ISLANDS TODAY. SOME SHOWERS DEVELOPED LATE THIS
MORNING OVER THE SAN JUAN METROPOLITAN AREA. NUMEROUS SHOWERS
AND THUNDERSTORMS DEVELOPED EARLY THIS AFTERNOON ALONG CORDILLERA
CENTRAL AND ACROSS WESTERN AND INTERIOR SECTIONS OF PUERTO RICO.
THIS ACTIVITY WILL DISSIPATED NEAR SUNSET. PARTLY CLOUDY SKIES
ARE EXPECTED TO AFFECT THE LOCAL REGION TONIGHT.

DURING THE NEXT FEW DAYS...AT LEAST THROUGH SATURDAY...AN UPPER
LEVEL TROUGH WILL CONTINUE TO DOMINATES THE LOCAL REGION. THIS
WILL MAINTAIN FAVORABLE ATMOSPHERIC CONDITIONS FOR SHOWER AND
THUNDERSTORMS DEVELOPMENT EACH AFTERNOON MAINLY ACROSS THE CENTRAL
INTERIOR AND NORTHWEST SECTIONS OF PUERTO RICO.

IN THE LONG TERM...THE NEXT TROPICAL WAVE IS EXPECTED TO APPROACH
THE LOCAL AREA NEXT WEDNESDAY. IS TOO EARLY TO KNOW HOW THIS
SYSTEM WILL AFFECT THE LOCAL REGION.

&&

.AVIATION...SHRA/TSRA CAN BE EXPECTED OVER TJMZ...TJBQ DURING THE AFTERNOON
HOURS. ALSO SOME SHRA ARE POSSIBLE FROM TIME TO TIME ACROSS TJSJ.
AFTER SUNSET...MOST OF THE SHRA/TSRA ACTIVITY ARE EXPECTED TO
DECREASE. WINDS AT 5 TO 10 KNOTS INCREASING AT 10 TO 15 WITH
HIGHER GUST MAINLY NEAR TSRA/SHRA.

&&

.MARINE...SEAS UP TO 4 FEET AND WINDS UP TO 15 KNOTS ARE EXPECTED.


&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  79  93  79  92 /  20  10  10  10
STT  81  88  79  88 /  20  10  10  10

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...NONE.
VI...NONE.
AM...NONE.
&&

$$

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