Area Forecast Discussion
Issued by NWS San Juan, PR

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000
FXCA62 TJSJ 300022 AAA
AFDSJU

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
822 PM AST MON SEP 29 2014

.SYNOPSIS...TUTT PATTERN ALOFT EXPECTED TO DOMINATE INTO EARLY
NEXT WEEK. AT MID LEVELS...RIDGE WILL HOLD THROUGH MID WEEK THEN
START TO WEAKEN. TROPICAL WAVE EXPECTED TO MOVE ACROSS THE AREA
THU OR THU NIGHT.


&&

.DISCUSSION...UPPER LEVEL CONVERGENT PATTERN EXPECTED TO DOMINATE
THROUGH WED AND MAINTAIN FAIR WEATHER CONDITIONS. A TROPICAL WAVE
WILL MOVE THROUGH THE AREA THU-THU NIGHT INCREASING THE RISK OF
SHOWERS. ANOTHER TUTT WILL ESTABLISH OVR THE LEEWARDS DURING THE
WEEKEND WITH UPPER LEVEL CONVERGENT PATTERN STRENGTHENING OVER THE
LOCAL AREA LEADING TO STRONG SUBSIDENCE AND DRYING. THIS MAY ALSO
BE ASSOCIATED WITH A LATE SEASON SAHARAN DUST EVENT.

&&

.AVIATION...VFR CONDS WILL PREVAIL AT ALL TAF SITES AND ACROSS THE
LOCAL FLYING AREA DURG THE PRD. LIGHT WNDS FM ESE 5-10 KTS. NO SIG
OPERATIONAL WX IMPACTS AT THIS TIME.

&&

.MARINE...SEAS MAINLY 2-3 FT AND WINDS 10-15 KT. TROPICAL WAVE
WILL MOVE ACROSS THE AREA THU-THU NIGHT INCREASING THE RISK OF
SHOWERS AND T-STORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  78  91  79  90 /   0  20  20  20
STT  81  82  82  90 /   0  40  40  40

&&

.SJU WATCHES/WARNINGS/ADVISORIES...
PR...NONE.
VI...NONE.
COASTAL WATERS...NONE.
&&

$$

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