Flash Flood Warning 128, NWS JSJ

894 
WGCA72 TJSJ 172049
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
449 PM AST SUN OCT 17 2010

PRC075-113-149-172056-
/O.CAN.TJSJ.FF.W.0128.000000T0000Z-101017T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VILLALBA PR-JUANA DIAZ PR-PONCE PR-
449 PM AST SUN OCT 17 2010

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR PONCE...JUANA DIAZ
AND VILLALBA MUNICIPALITIES...

AT 540 PM AST...EMERGENCY MANAGERS INDICATED THAT FLOOD WATERS HAVE 
RECEDED IN THE DE LA YUCA RIVER AND ROUTE 505 IS NOW OPEN. NO 
SIGNIFICANT ADDITIONAL RAINFALL IS EXPECTED ACROSS THESE AREAS AT 
THIS TIME. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 1815 6666 1814 6650 1799 6649 1798 6668

$$

ROSA

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
310 PM AST SUN OCT 17 2010

.SYNOPSIS...AT UPPER LEVELS...HIGH PRESSURE DOMINATES THE
CARIBBEAN SEA...EXCEPT FOR THE CUT-OFF LOW THAT WILL WOBBLE JUST
EAST OF THE WINDWARD ISLANDS THROUGH WEDNESDAY AND THEN WEAKEN AS
IT CROSSES INTO THE EASTERN CARIBBEAN SEA.

AT MID LEVELS...THE HIGH PRESSURE THAT DOMINATES THE GREATER
ANTILLES...MOVES INTO THE ATLANTIC NORTHEAST OF THE AREA ON MONDAY
NIGHT. THE LOW NEAR THE WINDWARD ISLANDS IS A REFLECTION OF THE
UPPER LEVEL LOW AND WILL MOVE WEST THROUGH THE SOUTHERN CARIBBEAN
WEDNESDAY THROUGH FRIDAY.

AT LOWER LEVELS...LOW PRESSURE WILL PERSIST ACROSS THE SOUTHERN
CARIBBEAN THROUGH EARLY NEXT WEEK. HIGH PRESSURE OVER THE SOUTHEASTERN
UNITED STATES WILL MOVE INTO THE WESTERN ATLANTIC AND PASS NORTH
OF THE U.S. VIRGIN ISLANDS MONDAY NIGHT. BY LATE WEEK...HIGH
PRESSURE WILL EXTEND FROM THE NORTHEAST ATLANTIC TO
FLORIDA...MAINTAINING MODERATE TRADE WINDS OVER THE LOCAL AREA.

&&

.DISCUSSION...THE EAST SOUTHEAST SURFACE FLOW SHIFTED DURING THE
MORNING HOURS AND NOW HAS A NORTHERLY COMPONENT. HENCE MOST OF THE
PRECIPITATION THUS FAR THIS AFTERNOON HAS FALLEN ON OR NEAR THE
CORDILLERA CENTRAL FROM VILLALBA WEST. SOME SHOWERS ALSO DEVELOPED
IN THE WESTERN INTERIOR OF PUERTO RICO. DRY AIR MOVING SLOWLY TO
THE WEST OVER THE U.S. VIRGIN ISLANDS HAS SUPPRESSED ALMOST ALL
SHOWER ACTIVITY THERE TODAY. BANDS AND FILAMENTS OF MOISTURE BETWEEN
PATCHES OF DRIER AIR WILL CONTINUE TO FLOW ACROSS THE AREA THROUGH
THE ENTIRE WEEK BRINGING ISOLATED TO SCATTERED SHOWERS TO THE
AREA...IN THE EAST DURING THE EARLY MORNING HOURS AND MAINLY IN
THE WEST AND INTERIOR AREAS DURING THE AFTERNOONS. NO SIGNIFICANT
FEATURES BEYOND THIS ARE ANTICIPATED. A FRONTAL BAND APPROACHES 20
NORTH TUESDAY NIGHT WITH LITTLE EFFECT. MOISTURE FROM THE REMNANTS OF
THE FRONT RETURN TO THE AREA FRIDAY THROUGH SUNDAY AND WILL
ENHANCE SHOWER ACTIVITY SOMEWHAT.

&&

.AVIATION...
BRIEF MVFR CONDS AND MOUNTAIN OBSCURATIONS WILL REMAIN
POSSIBLE IN AND AROUND TJMZ AND TJPS THROUGH 17/22Z. ELSEWHERE...VFR
CONDS EXPECTED WITH A FEW PASSING SHOWERS POSSIBLE OVER TNCM AND
TKPK.

&&

.MARINE...SWELL WILL ARRIVE FROM A LOW OFF THE EAST COAST MONDAY
AND TUESDAY...BUT ORIENTATION OF THE WINDS AROUND THE EXITING LOW HAVE
NOT FAVORED WAVE HEIGHTS HERE AS HIGH AS ANTICIPATED YESTERDAY.
MODELS CONTINUE TO SHOW SOME EXERCISE CAUTION CONDITIONS IN THE
ATLANTIC MONDAY NIGHT AND TUESDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  77  87  78  86 /   0  10  20  20
STT  76  87  79  87 /  10  10  20  20

&&

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

23/12

HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN
ISLANDS
NATIONAL WEATHER SERVICE SAN JUAN PR
618 AM AST SUN OCT 17 2010

AMZ710>745-PRZ001>013-181030-
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
NORTH CENTRAL-CENTRAL INTERIOR-PONCE AND VICINITY-NORTHWEST-
WESTERN INTERIOR-MAYAGUEZ AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
THE NEARSHORE AND OFF SHORE ATLANTIC AND CARIBBEAN COASTAL WATERS-
618 AM AST SUN OCT 17 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PUERTO RICO AND THE
ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

AMZ715-725-VIZ001-002-181030-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
618 AM AST SUN OCT 17 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE U.S. VIRGIN ISLANDS AND
THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.