Area Forecast Discussion
Issued by NWS San Juan, PR

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FXCA62 TJSJ 231839
AFDSJU

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
239 PM AST SUN NOV 23 2014

.SYNOPSIS...UPPER LEVEL RIDGE WILL BUILD ACROSS THE REGION NEXT
SEVERAL DAYS. AT THE SURFACE...STRONG HIGH PRESSURE NORTH OF THE
AREA...WILL CONTINUE TO PRODUCE FRESH TO STRONG TRADE WINDS ACROSS
THE REGION. PATCHES OF LOW LEVEL MOISTURE WILL MOVE ACROSS THE
REGION FROM TIME TO TIME.

&&

.DISCUSSION...PLEASANT WEATHER CONDITIONS WERE OBSERVED THIS AFTERNOON OVER
PUERTO RICO AND THE U.S. VIRGIN ISLANDS. A DRY AIR MASS HAS MOVED
ACROSS THE REGION...LIMITING THE SHOWER ACTIVITY ACROSS THE AREA.
ONLY LIGHT PASSING SHOWERS WERE OBSERVED. UPPER LEVEL RIDGE IS IN
TOTAL CONTROL OF THE WEATHER LOCALLY. THIS RIDGE IS EXPECTED TO
MAINTAIN RELATIVELY DRY CONDITIONS ACROSS THE REGION THROUGH MOST
OF THE WEEK. COMPUTER MODELS SUGGEST TUESDAY WILL BE THE WETTEST
DAY AS AN AREA OF MOISTURE MOVES THROUGH THE AREA.

STRONG HIGH PRESSURE AT THE SURFACE WILL MAINTAIN STRONG TRADE
WINDS ACROSS THE REGION THROUGH MID WEEK. THESE WINDS WILL
CONTINUE TO TRANSPORT PATCHES OF LOW LEVEL MOISTURE FROM TIME
TIME...AFFECTING THE LOCAL ISLANDS. HOWEVER...NO SIGNIFICANT
RAINFALL ACCUMULATIONS ARE EXPECTED AS THESE SHOWERS WILL MOVE
QUICKLY.

&&

.AVIATION...MOSTLY VFR CONDITIONS ARE EXPECTED ACROSS THE LOCAL
FLYING AREA TONIGHT WITH ONLY VCSH. LATEST TJSJ SOUNDING INDICATED
AN EASTERLY WIND FLOW UP TO 30 KNOTS ALL THE WAY FROM THE SURFACE TO
10K FEET...BECOMING LIGHT AND VARIABLE ALOFT.

&&

.MARINE...FRESH TO STRONG EASTERLY TRADE WINDS WILL CONTINUE ACROSS
THE REGIONAL WATERS THROUGH AT LEAST TUESDAY...AND THEREFORE
MAINTAIN ROUGH AND HAZARDOUS SEAS. SMALL CRAFT ADVISORIES REMAIN
IN EFFECT FOR ALL COASTAL WATERS EXCEPT FOR THE NEAR SHORE COASTAL
WATERS OF SOUTHWEST PR. PLEASE REFER TO THE LATEST MARINE WEATHER
STATEMENTS AND COASTAL WATERS FORECAST ISSUED BY THE NATIONAL
WEATHER SERVICE WFO SAN JUAN PR.




&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  76  85  76  85 /  30  30  40  40
STT  78  89  79  88 /  30  30  40  40

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...NONE.
VI...NONE.
COASTAL WATERS...SMALL CRAFT ADVISORY UNTIL 6 PM AST TUESDAY FOR ANEGADA PASSAGE
     SOUTHWARD TO 17N-ATLC WATERS OF PUERTO RICO AND USVI FROM
     10NM TO 19.5N-CARIBBEAN WATERS OF PUERTO RICO FROM 10 NM TO
     17N-COASTAL WATERS OF NORTHERN PUERTO RICO OUT 10 NM-
     COASTAL WATERS OF NORTHERN USVI AND CULEBRA OUT 10 NM-
     COASTAL WATERS OF NORTHWESTERN PUERTO RICO OUT 10 NM-
     COASTAL WATERS OF SOUTHERN USVI VIEQUES AND EASTERN PUERTO
     RICO OUT 10 NM-MONA PASSAGE SOUTHWARD TO 17N.

     SMALL CRAFT ADVISORY UNTIL 6 AM AST TUESDAY FOR COASTAL WATERS
     OF SOUTHERN PUERTO RICO OUT 10 NM.

&&

$$

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