Flash Flood Watch 9, NWS JSJ

000 
WGCA62 TJSJ 090602
FFASJU

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN JUAN PR
202 AM AST TUE SEP 9 2008

PRZ001>004-006-007-011>013-VIZ001-002-090715-
/O.CAN.TJSJ.FF.A.0009.000000T0000Z-080909T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN JUAN AND VICINITY-NORTHEAST-SOUTHEAST-EASTERN INTERIOR-
CENTRAL INTERIOR-PONCE AND VICINITY-SOUTHWEST-CULEBRA-VIEQUES-
ST. THOMAS/ST. JOHN/ADJACENT ISLANDS-ST CROIX-
INCLUDING THE MUNICIPALITIES AND/OR ISLANDS OF...SAN JUAN...
CAROLINA...FAJARDO...HUMACAO...GUAYAMA...ARROYO...YABUCOA...
SALINAS...COCO...CAGUAS...COAMO...COROZAL...AIBONITO...VILLALBA...
JAYUYA...PONCE...CABO ROJO...LAJAS...CULEBRA...ESPERANZA...
ANNAS RETREAT...CHARLOTTE AMALIE...CHARLOTTE AMALIE EAST...
CHARLOTTE AMALIE WEST...CRUZ BAY...CHRISTIANSTED...FREDERIKSTED...
FREDERIKSTED SOUTHEAST...GROVE PLACE
202 AM AST TUE SEP 9 2008

...FLASH FLOOD WATCH IS CANCELLED...

NO SIGNIFICANT RAINFALL IS EXPECTED TO AFFECT THE U.S. VIRGIN
ISLANDS AND SECTIONS OF EASTERN PUERTO RICO OVERNIGHT.
THEREFORE...THE LIKELIHOOD OF FLASH FLOODING ACROSS THIS AREA IS
EXPECTED TO REMAIN LOW...AND THEREFORE THE FLASH FLOOD WATCH FOR
THIS AREA HAS BEEN CANCELLED.

$$

SR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JUAN PR
1111 AM AST MON SEP 8 2008

.UPDATE...
NO CHANGES TO PREVIOUS PACKAGE...SEEMS ON TRACK...AS TROPICAL
WAVE IS CURRENTLY BRINGING ACTIVE WEATHER ACROSS THE REGION WITH
NUMEROUS BANDS OF SHOWERS AND THUNDERSTORMS PRODUCING HEAVY
RAIN...LOCALIZED GUSTY WINDS...POOR VISIBILITIES...WATER SPOUTS
AND MINOR FLOODING IN LOW LYING AND POOR DRAINAGE AREAS.

&&

.AVIATION...
WITHIN THESE SHOWERS AND THUNDERSTORMS...EXPECT BRIEF MVFR OR
EVEN IFR CONDITIONS THROUGHOUT THE REMAINDER OF THE MORNING INTO
THE EARLY AFTERNOON...ESPECIALLY AT TIST...TISX AND TJSP.

&&

.PREV DISCUSSION... /ISSUED 623 AM AST MON SEP 8 2008/

DISCUSSION...AN ACTIVE TROPICAL WAVE LOCATED ACROSS THE EASTERN
CARIBBEAN EARLY THIS MORNING...WILL MOVE NORTHWEST AND WILL MOVE
ACROSS THE LOCAL AREA LATER TODAY THROUGH TUESDAY. THIS FEATURE
AND ITS ASSOCIATED MOISTURE WILL COMBINE WITH LOCAL EFFECTS TODAY
THROUGH TUESDAY...TO PRODUCE SOME CLOUDINESS...SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS OVER PARTS OF THE
LOCAL ISLANDS. NOT EXPECTING A WIDESPREAD HEAVY RAIN EVENT AT THIS
POINT...BUT AREAS OF HEAVY RAINFALL ARE EXPECTED AND THIS COULD
AGAIN RESULT IN URBAN AND SMALL STREAM FLOODING AND THE POTENTIAL
EXISTS FOR AT LEAST SOME LOCALIZED FLASH AND RIVER FLOODING. THE
GFS MODEL SHOWS MOISTURE LINGERING ACROSS THE LOCAL ISLANDS
TUESDAY NIGHT THROUGH AT LEAST THE FIRST PART OF WEDNESDAY AND
POSSIBLY BEYOND...SO ADDITIONAL UNSETTLED WEATHER APPEARS ON TAP
THROUGH AT LEAST MIDWEEK.

AVIATION...GENERALLY EXPECT PREVAILING VFR CONDITIONS ACROSS THE
LOCAL ISLANDS AND AT ALL LOCAL TAF SITES TODAY. HOWEVER...AN
APPROACHING TROPICAL WAVE AND ITS ASSOCIATED MOISTURE IN
COMBINATION WITH LOCAL EFFECTS...WILL RESULT IN SCATTERED TO
NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS OVER PARTS OF THE
LOCAL ISLANDS. WITHIN THESE SHOWERS AND STORMS...EXPECT BRIEF MVFR
OE EVEN IFR CONDITIONS AND LOCAL MOUNTAIN OBSCURATIONS IN SOME
AREAS.

MARINE...A WIND SURGE...OUT AHEAD OF THE APPROACHING TROPICAL
WAVE...WILL CONTINUE MOVING ACROSS THE REGIONAL WATERS TODAY...
ESPECIALLY ACROSS THE CARIBBEAN. A SMALL CRAFT ADVISORY IS IN
EFFECT FOR THE LOCAL EASTERN CARIBBEAN WATERS UNTIL 10 AM AST AND
FOR THE LOCAL WESTERN CARIBBEAN WATERS UNTIL 2 PM AST.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  88  78  88  78 /  50  40  50  20
STT  88  79  88  79 /  50  50  50  20

&&

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

15/17/

HAZARDOUS WEATHER OUTLOOK FOR PUERTO RICO AND THE U.S. VIRGIN
ISLANDS
NATIONAL WEATHER SERVICE SAN JUAN PR
533 AM AST MON SEP 8 2008

AMZ710>750-PRZ001>013-091000-
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-
533 AM AST MON SEP 8 2008

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

.DAY ONE...TODAY AND TONIGHT

AN APPROACHING TROPICAL WAVE WILL BRING SCATTERED TO NUMEROUS
SHOWERS AND ISOLATED THUNDERSTORMS ACROSS PUERTO RICO TODAY. DUE
TO ALREADY SATURATED SOILS ACROSS THE ISLAND...EXPECT ANY MODERATE
TO HEAVY RAINFALL TO RESULT IN LOCALIZED FLOODING OF
ROADWAYS...SMALL STREAMS AND CREEKS. IN ADDITION...MUDSLIDES WILL
BE POSSIBLE IN AREAS OF STEEP TERRAIN.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER REPORTS OF SIGNIFICANT FLOODING IS ALWAYS APPRECIATED.

AMZ720-730-VIZ001-002-091000-
ST. THOMAS ST. JOHN ADJACENT ISLANDS-ST CROIX-
NEARSHORE ATLANTIC AND ADJACENT CARIBBEAN COASTAL WATERS-
533 AM AST MON SEP 8 2008

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...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY.

SR