Flash Flood Warning 151, NWS JSJ

597 
WGCA72 TJSJ 091755
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
155 PM AST WED NOV 9 2011

VIC020-091803-
/O.EXP.TJSJ.FF.W.0151.000000T0000Z-111109T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAINT JOHN VI-
155 PM AST WED NOV 9 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 PM AST FOR SAINT JOHN
ISLAND...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS
EXPECTED ACROSS THESE AREAS AT THIS TIME.

HOWEVER...RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD BE ALERT 
TO PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS AND 
CREEKS TO RETURN TO NORMAL LEVELS.

LAT...LON 1833 6467 1829 6470 1831 6474 1830 6477
      1832 6481 1835 6480 1835 6483 1837 6484
      1838 6480 1836 6477 1838 6476 1838 6471
      1836 6466 1832 6465

$$

ER

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

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST WED NOV 9 2011

.SYNOPSIS...THE SURFACE LOW ASSOCIATED WITH TROPICAL STORM SEAN WILL
CONTINUE TO SEND LARGE LONG PERIOD NNW SWELLS TOWARDS THE LOCAL
REGION DURING THE NEXT FEW DAYS. THEREAFTER...SEAN WILL LIFT NORTHWARD
WITH A COLD FRONTAL SYSTEM FROM THURSDAY INTO FRIDAY. COMPUTER
MODELS CONTINUE INSISTING IN A DRIER WEATHER PATTERN STARTING THIS
COMING WEEKEND.

&&

.DISCUSSION...DEEP MOISTURE AND INSTABILITY DUE TO AN UPPER TROUGH
HAS CAUSED SOME THUNDERSTORM DEVELOPMENT ACROSS THE SOUTHERN COAST
OF PUERTO RICO AS WELL AS ACROSS THE NORTHEAST QUADRANT.

THIS UPPER TROUGH WITH THE AVAILABLE MOISTURE WILL CONTINUE TO
HELP DEVELOP SHOWERS AND THUNDERSTORMS THROUGHOUT THE DAY TODAY.
WITH THE SOUTH SOUTHWESTERLY FLOW...EXPECT THE AFTERNOON
CONVECTION TO AFFECT MOSTLY THE INTERIOR AND NORTHERN
MUNICIPALITIES OF PUERTO RICO. THIS DEEP MOISTURE OF AROUND 2.0
INCHES PWAT IS EXPECTED AT LEAST THROUGH TODAY...WITH A SLIGHT
DECREASE IN MOISTURE FOR THURSDAY AND FRIDAY. MID LEVEL
MOISTURE WILL NOT BE AS ABUNDANT AFTER FRIDAY. THEREFORE...IT IS
EXPECTED THAT THIS PATTERN OF POSSIBLE MORNING SHOWERS ACROSS THE
WATERS...SMALLER ISLANDS...AND COASTAL MUNICIPALITIES WITH AFTERNOON
CONVECTION OVER THE INTERIOR AND NORTHERN SECTIONS OF PUERTO
RICO...WILL CONTINUE UNTIL AT LEAST FRIDAY.

AVAILABLE MOISTURE...AS WELL AS MID TO UPPER LEVEL DYNAMICS SEEM
TO BE LESS CONDUCIVE FOR THUNDERSTORMS FOR THIS UPCOMING WEEKEND
AND INTO NEXT WEEK. AS THE UPPER TROUGH LIFTS...TROPICAL STORM
SEAN GETS ABSORBED AND THE WINDS SHIFT TO MORE FROM THE EAST AND
THEN NORTHEAST.

&&

.AVIATION...AREAS OF SHRA/TSRA WILL PERSIST OVER SRN AND ERN
PUERTO RICO AND SAINT THOMAS THRU 09/12Z WITH MTN OBSCURATIONS AND
LCLY MVFR CONDS AT TJPS. AFT 09/12Z PR TAF SITES VFR. AFT 09/16Z
AREAS OF SHRA/TSRA DEVELOPING WITH MVFR/IFR CONDS INTERIOR PUERTO
RICO AND TJMZ AND POSSIBLY TJBQ AND TJSJ. MTN OBSCURATIONS
WIDESPREAD. LEEWARD ISLANDS...BRIEF MVFR PSBL TKPK AND TNCM THRU
PD MAINLY DUE TO CIGS. WINDS LIGHT AND VRB XCP NR TSRA BLO 5 KFT.
WINDS SW 15-20 KTS BTWN 5-20 KFT.

&&

.MARINE...BUOY 41043 CONTINUES TO SHOW WAVE HEIGHTS OF OVER 8 FEET
WITH A 10 SECOND PERIOD. THEREFORE...THE SMALL CRAFT ADVISORY FOR
THE OFFSHORE ATLANTIC WATERS HAS BEEN EXTENDED UNTIL FRIDAY AT 3
AM AST.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  87  76  85  76 /  60  20  20  20
STT  87  77  86  78 /  40  20  20  40

&&

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

12/25

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JUAN PR
609 AM AST WED NOV 9 2011

AMZ710>745-PRZ001>013-101015-
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-
609 AM AST WED NOV 9 2011

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

.DAY ONE...TODAY AND TONIGHT
CONSIDERABLE MOISTURE...LIGHT WINDS AND A TROPICAL WAVE PASSING
TO THE SOUTH WILL ALLOW STRONG THUNDERSTORMS TO DEVELOP THIS
AFTERNOON. THIS RAIN WILL FALL ON ALREADY SATURATED GROUND
CAUSING RAPID RISES IN SMALL STREAM AND LOCAL INUNDATIONS OF
URBAN AND LOW-LYING AREAS...MAINLY IN THE INTERIOR PORTION OF
PUERTO RICO.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
DEEP MOISTURE AND LIGHT WINDS WILL CONTRIBUTE TO STRONG SLOWLY
MOVING AFTERNOON THUNDERSTORMS...MAINLY IN THE INTERIOR OF PUERTO
RICO THAT WILL CAUSE LOCAL URBAN AND SMALL STREAM FLOODING. SOME
OF THE THUNDERSTORMS MAY DRIFT TOWARD THE COAST.

.SPOTTER INFORMATION STATEMENT...REPORTS OF FLOODING OR HAIL
OBSERVED ARE REQUESTED.

AMZ715-725-VIZ001-002-101015-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
609 AM AST WED NOV 9 2011

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.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...SPOTTER ACTIVATION IS NOT ANTICIPATED.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
716 AM AST WED NOV 09 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0615 AM     FLOOD            NAGUABO                 18.21N 65.74W
11/09/2011                   NAGUABO            PR   BROADCAST MEDIA

            HIGHWAY 31 IMPASSABLE.

&&

WSNELL