Special Weather Statement, NWS JSJ

Area Forecast Discussion
National Weather Service San Juan PR
201 PM AST MON OCT 3 2016

.SYNOPSIS...A moist air mass will continue to prevail across
the forecast area during the next few days as Hurricane Matthew...
continues to promote moisture advection across the eastern
Caribbean.

&&

.DISCUSSION...Cloudy skies prevailed across the local islands today.
Showers and thunderstorms were observed across the Caribbean waters
with some of them affecting the southern coast of Puerto Rico as
well as Saint Croix. Winds were south southeast at 15 mph or less
with coastal temperatures in the mid to upper 80s.

Hurricane Matthew will continue to promote a south southeast wind
flow across the forecast area which is enhancing deep moisture
transport/convergence across the local island islands. This moist
air mass will continue to prevail through at least midweek.
Therefore expect cloudiness and periods of showers with thunderstorms
and some gusty winds possible over and south of the Cordillera
Central as well as the USVI this afternoon, tonight and Tuesday
mooring. Locally induced showers and thunderstorms north of the
Cordillera this afternoon and Tuesday afternoon is highly
dependent of cloud cover.

Latest guidance suggests precipitable values slightly above the
normal range Wed-Thu, this will result in the seasonable weather
pattern of passing showers across windward areas in the morning
hours followed by afternoon showers and thunderstorms with heavy
rainfall across W and NW PR. A tropical wave is then forecast to
enter the eastern Caribbean on Friday.

&&

.AVIATION...Thick clouds causing CIGS at around FL060-080. This
is expected to continue with VCSH/VCTS possible across the local
terminals as the outer bands from Hurricane Matthew move over the
area. S-SE winds of 10-15KT with higher gusts are likely for the
rest of the afternoon, especially near the SHRA/TSRA...decreasing
wind speed overnight. Brief moments of SHRA/TSRA causing MVFR
conds possible at the terminals as well.

&&

.MARINE...Small craft advisory for seas up to 7 feet across the
Mona Passage, Caribbean and Atlantic offshore waters, otherwise
small craft should continue to exercise caution across the rest
of the waters due to seas up to 6 feet and southerly winds up to
20 knots. Moderate risk of rip currents continue for much of PR
and St. Croix.

&&

.PRELIMINARY POINT TEMPS/POPS...
SJU  77  90  80  90 /  20  40  20  30
STT  79  87  80  88 /  30  40  30  30

&&

.SJU Watches/Warnings/Advisories...
PR...Small Craft Advisory from 8 PM this evening to 8 PM AST Tuesday
     for Mayaguez and Vicinity-Southwest.

VI...None.
AM...Small Craft Advisory from 8 PM this evening to 8 PM AST Tuesday
     for Atlantic Waters of Puerto Rico and USVI from 10 NM to
     19.5N-Caribbean Waters of Puerto Rico from 10 NM to 17N.

     Small Craft Advisory until 8 PM AST Tuesday for Mona Passage
     Southward to 17N.

&&

25/23

PERSPECTIVAS SOBRE CONDICIONES PELIGROSAS DEL TIEMPO/...CORREGIDO
SERVICIO NACIONAL DE METEOROLOGIA SAN JUAN PR
155 PM AST LUNES 3 DE OCTUBRE DE 2016

AMZ710>745-PRZ001>013-041000-
SAN JUAN Y VECINDAD-NORESTE-SURESTE-INTERIOR ESTE-CENTRAL NORTE-
INTERIOR CENTRAL-PONCE Y VECINDAD-NOROESTE-INTERIOR OESTE-
MAYAGUEZ Y VECINDAD-SUROESTE-CULEBRA-VIEQUES-
AGUAS COSTERAS Y MAR AFUERA DEL ATLANTICO Y DEL CARIBE-
155 PM AST LUNES 3 DE OCTUBRE DE 2016

ESTA PERSPECTIVA SOBRE LAS CONDICIONES DEL TIEMPO PELIGROSAS ES PARA
PUERTO RICO Y LAS AGUAS COSTERAS ADYACENTES DEL ATLANTICO.

.DIA UNO...HOY Y ESTA NOCHE

.TRONADAS...TRONADAS AISLADAS SON POSIBLES A TRAVES DE LA MAYORIA DE
PUERTO RICO HOY.

.INUNDACIONES...LLUVIAS FUERTES PODRIAN RESULTAR INUNDACIONES
URBANAS Y DE RIACHUELOS ESPECIALMENTE A TRAVES DE PORCIONES DEL
INTERIOR...SUR...Y OESTE DE PUERTO RICO.

.VIENTOS...VIENTOS SOSTENIDOS EN EXCESO DE 20 MPH SE ESPERAN A
TRAVES DE LAS AGUAS MAR AFUERA Y EL PASAJE DE LA MONA.

.OLAS...SE ESPERA OLEAJE PICADO DE HASTA 7 PIES A TRAVES DE LAS
AGUAS REGIONALES.

.CORRIENTES SUBMARINAS...EXISTE UN RIESGO MODERADO DE CORRIENTES
SUBMARINAS PARA LA MAYORIA DE LAS PLAYAS EN PUERTO RICO, CULEBRA Y
VIEQUES.

.DIAS DOS HASTA SIETE...MARTES A DOMINGO

HUMEDAD PROFUNDA CONTINUARA INFILTRANDO A TRAVES DE LAS ISLAS
LOCALES, AUMENTANDO EL POTENCIAL DE AGUACEROS Y TRONADAS HASTA POR
LO MENOS EL MARTES. UN RIESGO MODERADO DE CORRIENTES SUBMARINAS Y
OLEAJE PICADO CONTINUARAN HASTA POR LO MENOS MEDIADOS DE LA SEMANA.

.COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES...

NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES...SIN EMBARGO...SE
LES EXHORTA A LOS OBSERVADORES INDIVIDUALES A REPORTAR INUNDACIONES
Y CORRIENTES SUBMARINAS AL SERVICIO NACIONAL DE METEOROLOGIA EN SAN
JUAN.

AMZ715-725-VIZ001-002-041000-
SAN TOMAS SAN JOHN E ISLAS ADYACENTES-SANTA CRUZ-
AGUAS CERCA DE LA COSTA DEL ATLANTICO Y AGUAS COSTERAS ADYACENTES DEL CARIBE-
155 PM AST LUNES 3 DE OCTUBRE DE 2016

ESTA PERSPECTIVA SOBRE LAS CONDICIONES PELIGROSAS DEL TIEMPO ES
PARA LAS ISLAS VIRGENES AMERICANAS Y LAS AGUAS COSTERAS ADYACENTES.

.DIA UNO...HOY Y ESTA NOCHE

.TRONADAS...EXISTE UNA PROBABILIDAD DE TRONADAS CON LLUVIAS FUERTES
Y VIENTOS BREVES EN RAFAGAS ESTA TARDE Y ESTA NOCHE A TRAVES DE LAS
ISLAS VIRGENES.

.INUNDACIONES...LLUVIAS MODERADAS A FUERTES PODRIAN RESULTAR
ACUMULACION DE AGUA EN CARRETERAS Y INUNDACIONES MENORES.

.OLAS...OLEAJE PICADO DE HASTA 7 PIES SE ESPERAN A TRAVES DE LAS
AGUAS REGIONALES.

.CORRIENTES SUBMARINAS...EXISTE UN RIESGO MODERADO DE CORRIENTES
SUBMARINAS PARA LAS MAYORIA DE LAS PLAYAS DE LAS ISLAS VIRGENES
EXCEPTO EN LA COSTA NORTE DE SAN TOMAS Y SAN JOHN.

.DIAS DOS HASTA SIETE...MARTES A DOMINGO

HUMEDAD PROFUNDA CONTINUARA INFILTRANDO A TRAVES DE LAS ISLAS
LOCALES, AUMENTANDO EL POTENCIAL DE AGUACEROS Y TRONADAS HASTA POR
LO MENOS EL MARTES. UN RIESGO MODERADO DE CORRIENTES SUBMARINAS
Y OLEAJE PICADO CONTINUARAN HASTA POR LO MENOS MEDIADOS DE LA SEMANA.

.COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES...

NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES...SIN EMBARGO...SE
LES EXHORTA A LOS OBSERVADORES INDIVIDUALES A REPORTAR CORRIENTES
SUBMARINAS AL SERVICIO NACIONAL DE METEOROLOGIA EN SAN JUAN.

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
521 PM AST MON OCT 3 2016

PRZ002>004-006-007-032315-
NORTHEAST-PONCE AND VICINITY-CENTRAL INTERIOR-EASTERN
INTERIOR-SOUTHEAST-
521 PM AST MON OCT 3 2016

...A STRONG THUNDERSTORM WILL AFFECT SAN LORENZO...PONCE...YABUCOA...
SALINAS...COAMO...MAUNABO...CAYEY...GUAYAMA...JUANA DIAZ...
PATILLAS...ARROYO...HUMACAO...VILLALBA...AIBONITO AND SANTA ISABEL
MUNICIPALITIES...

AT 517 PM AST...A LINE OF THUNDERSTORMS WAS LOCATED OVER THE
CARIBBEAN COASTAL WATERS FROM PONCE TO THE SURROUNDING WATERS OF
MAUNABO. THESE STORMS ARE MOVING NORTHWARD AT 5 TO 15 KNOTS. WINDS
IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM. ALSO... SUDDEN
WATERSPOUT ARE POSSIBLE WITH THESE THUNDERSTORMS. TORRENTIAL
RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE LOCALIZED
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 1798 6632 1796 6643 1799 6646 1797 6661
      1814 6664 1809 6581 1805 6584 1801 6583
      1797 6592 1798 6602 1796 6604 1797 6608
      1795 6617 1796 6621 1794 6620 1795 6622
      1794 6625 1793 6624 1791 6623
TIME...MOT...LOC 2117Z 000DEG 0KT 1798 6636

CAM