Alert archive / Puerto Rico / Special Weather Statements in 2016
Special Weather Statement, NWS JSJ
NWS JSJ issued this special weather statement at Oct 18, 2016, 6:28 AM CDT. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 18, 2016, 6:28 AM CDT (11:28 UTC)
- Expired
- Oct 18, 2016, 7:30 AM CDT
- In force
- 62 min
- Issued by
- NWS JSJ
The radar
The San Juan radar (TJUA), 67 km from the middle of the area, began a volume at 11:32 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS JSJ wrote its last area forecast discussion before this special weather statement went out at Oct 18, 6:17 AM CDT, 11 minutes earlier.
Area forecast discussion, Oct 18, 6:17 AM CDT, 11 minutes before
Area Forecast Discussion
National Weather Service San Juan PR
717 AM AST Tue Oct 18 2016
.SYNOPSIS...
An induce surface trough due to the interaction of a broad
Surface Low Pressure to the east of Bahamas and a frontal boundary
associated with Nicole is producing unstable conditions across the
region today. In addition, is inducing a southerly wind flow
across the forecast area, which is expected at least until
Late Wednesday or Thursday. Thereafter, winds are to become more
easterly as the Atlantic ridge will build and sink southward
across the Northeastern Caribbean.
&&
.DISCUSSION...
Showers and thunderstorms moved across the southern municipalities
overnight. Then a squall line moved inland across West Puerto Rico
from the Mona Passage early this morning. This squall line produce
frequent lightning, gusty winds and heavy rainfall across these
municipalities. Several Special weather Statements as well as a
Flood advisory were issued across the west, west interior and
southern municipalities. This activity is expected to continue
moving northeastward, as a result, the municipalities of the
interior, north, south and east PR can expect inclement weather
with periods of moderate to heavy rain, frequent lightning,
ponding of waters on roadways, gusty winds, urban and small stream
flooding during the next one to three hours.
After the passage of this squall line, tranquil weather
conditions are expected until the afternoon hours. However,
showers and thunderstorms are expected over most of Puerto Rico as
an area of low pressure induced a very moist southerly flow across
the region. This moist southerly flow will combined with favorable
atmospheric conditions to produce scattered showers with
thunderstorms over most of Puerto Rico this afternoon, but mainly
along the northern slopes of the island. But keep in mind, that
cloudiness could inhibit afternoon convection. This wet pattern is
expected to continue through at least midweek. As a result of, expect
another good chance for enhanced afternoon convection on Wednesday
with moisture advection and instability expected to decrease and
diminish by Thursday and into the upcoming weekend, as an upper
level high pressure build over the region.
&&
.AVIATION...
SHRA/TSRA expected to continue across mainland Puerto Rico, as a
squall line move northeastward across the island. Some of these
showers are expected to create brief periods of MVFR and IFR at
TJBQ/TJMZ/TJPS/TJSJ at least until 15z. Then SHRA/TSRA are
expected to decrease. Medium confidence on fcst thru 16z,
however, SHRA/TSRA should develop along and to the north of the
mtn ranges of PR on Tuesday afternoon. Low level southerly winds
will continue at 5-12 kts.
&&
.MARINE...
A long period north to northeast swell between 6 and 10 feet are
expected across the Atlantic waters, and Caribbean Passages
through at least wednesday. As a result, a coastal flood and high
surf advisories continue in effect for the north facing coasts of
Puerto Rico and Northern U.S. Virgin Islands. A Small Craft
advisories are in effect for the Atlantic waters and local
passages. In addition, there is a high risk of rip currents along the
northwest through northeast facing beaches of Puerto Rico and
Culebra, Vieques as well as the Northern USVI and the east end in
Saint Croix.
&&
.PRELIMINARY POINT TEMPS/POPS...
SJU 91 78 91 79 / 60 20 20 20
STT 90 79 89 80 / 40 20 20 30
&&
.SJU WATCHES/WARNINGS/ADVISORIES...
PR...High Rip Current Risk through Wednesday afternoon for Culebra-
Mayaguez and Vicinity-North Central-Northeast-Northwest-San
Juan and Vicinity-Southeast-Vieques-Western Interior.
Small Craft Advisory from 6 PM this evening to 6 AM AST
Wednesday for Northeast.
High Surf Advisory until 6 AM AST Wednesday for Culebra-Mayaguez
and Vicinity-North Central-Northeast-Northwest-San Juan and
Vicinity-Southeast-Western Interior.
Coastal Flood Advisory until 6 PM AST this evening for Culebra-
Mayaguez and Vicinity-North Central-Northeast-Northwest-San
Juan and Vicinity-Southeast-Western Interior.
Small Craft Advisory until 6 AM AST Wednesday for Mayaguez and
Vicinity-North Central-Northwest-San Juan and Vicinity.
VI...High Rip Current Risk through Wednesday afternoon for St Croix-
St.Thomas...St. John.. and Adjacent Islands.
Small Craft Advisory from 6 PM this evening to 6 AM AST
Wednesday for St.Thomas...St. John.. and Adjacent Islands.
High Surf Advisory until 6 AM AST Wednesday for St.Thomas...St.
John.. and Adjacent Islands.
Coastal Flood Advisory until 6 PM AST this evening for
St.Thomas...St. John.. and Adjacent Islands.
AM...High Rip Current Risk through Wednesday afternoon for Coastal
Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM.
High Surf Advisory until 6 AM AST Wednesday for Coastal Waters
of Southern USVI Vieques and Eastern Puerto Rico out 10 NM.
Coastal Flood Advisory until 6 PM AST this evening for Coastal
Waters of Northern USVI and Culebra out 10 NM-Coastal
Waters of Southern USVI Vieques and Eastern Puerto Rico out
10 NM.
Small Craft Advisory until 6 AM AST Wednesday for Caribbean
Waters of Puerto Rico from 10 NM to 17N-Coastal Waters of
Southern USVI Vieques and Eastern Puerto Rico out 10 NM.
Small Craft Advisory until 6 PM AST Wednesday for Anegada
Passage Southward to 17N-Atlantic Waters of Puerto Rico and
USVI from 10 NM to 19.5N-Coastal Waters OF Northwestern
Puerto Rico out 10 NM-Coastal Waters of Northern Puerto
Rico out 10 NM-Coastal Waters of Northern USVI and Culebra
out 10 NM-Mona Passage Southward to 17N.
High Rip Current Risk until 6 PM AST this evening for Coastal
Waters of Northern USVI and Culebra out 10 NM.
High Rip Current Risk from Wednesday morning through Wednesday
afternoon for Coastal Waters of Northern USVI and Culebra
out 10 NM.
High Surf Advisory until 6 PM AST this evening for Coastal
Waters of Northern USVI and Culebra out 10 NM.
&&
71/27Hazardous weather outlook, Oct 18, 5:20 AM CDT, 1 hour 8 minutes before
PERSPECTIVAS SOBRE CONDICIONES PELIGROSAS DEL TIEMPO SERVICIO NACIONAL DE METEOROLOGIA SAN JUAN PR 555 AM AST MARTES 18 DE OCTUBRE DE 2016 AMZ710>745-PRZ001>013-191000- SAN JUAN Y VECINDAD-NORESTE-SURESTE-ESTE INTERIOR- NORTE CENTRAL-CENTRAL INTERIOR-PONCE Y VECINDAD-NOROESTE- OESTE INTERIOR-MAYAGUEZ Y VECINDAD-SUROESTE-CULEBRA-VIEQUES- AGUAS COSTERAS Y MAR AFUERA DEL ATLANTICO Y DEL CARIBE- 555 AM AST MARTES 18 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...EXISTE UNA PROBABILIDAD DE TRONADAS CON LLUVIAS MODERADAS A FUERTES Y VIENTOS BREVES EN RAFAGAS ESTA TARDE A TRAVES DE PORCIONES DE SECTORES DEL NORTE...OESTE Y CENTRO DE PUERTO RICO. .INUNDACIONES...LLUVIAS DE MODERADAS A FUERTES PUDIERAN RESULTAR EN ACUMULACION DE AGUA EN CARRETERAS Y EN INUNDACIONES MENORES EN AREAS DE POBRE DRENAJE. .OLAS...OLEAJE PICADO DE HASTA 6-10 PIES SE ESPERA A TRAVES DE LAS AGUAS DEL ATLANTICO Y LOS PASAJES LOCALES. .CORRIENTES SUBMARINAS...EXISTE UN RIESGO ALTO DE CORRIENTES SUBMARINAS PARA LAS PLAYAS DEL ATLANTICO DE PUERTO RICO. .CALOR...VIENTOS ALISIOS DEL SURESTE RESULTARAN INDICES DE CALOR SOBRE LO NORMAL A LO LARGO DE LA COSTA NORTE DE PUERTO RICO. .DIAS DOS HASTA SIETE...MIERCOLES A LUNES SE ESPERA UN AUMENTO EN EL POTENCIAL DE DESARROLLO DE AGUACEROS Y TRONADAS SOBRE PARTES DEL AREA DE PRONOSTICO A MEDIDA QUE UNA BAJA PRESION SE DESARROLLE NORTE DE LA REGION. INUNDACIONES URBANAS Y DE RIACHUELOS SON POSIBLES CADA DIA. SE ESPERAN QUE LAS MAREJADAS DE PERIODO LARGO DEL NORTE CONTINUEN AFECTANDO LAS ISLAS LOCALES MIERCOLES HASTA EL JUEVES, PARA PRODUCIR ALTURAS PELIGROSAS DE OLAS ROMPIENTES, CORRIENTES SUBMARINAS Y EROSION COSTERA A LO LARGO DE LAS COSTAS DE LAS AGUAS DEL ATLANTICO Y LOS PASAJES DEL CARIBE. .COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES... NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES, SIN EMBARGO SE INVITA A LOS OBSERVADORES A REPORTAR CORRIENTES SUBMARINAS Y INUNDACIONES MENORES AL SERVICIO NACIONAL DE METEOROLOGIA EN SAN JUAN. AMZ715-725-VIZ001-002-191000- SAN TOMAS SAN JOHN E ISLAS ADYACENTES-SANTA CRUZ- AGUAS CERCA DE LA COSTA DEL ATLANTICO Y AGUAS COSTERAS ADYACENTES DEL CARIBE- 555 AM AST MARTES 18 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 .OLAS...OLEAJE PICADO DE 6-10 PIES SE ESPERA A TRAVES DE LAS AGUAS DEL ATLANTICO Y LOS PASAJES LOCALES. .CORRIENTES SUBMARINAS...EXISTE UN RIESGO ALTO DE CORRIENTES SUBMARINAS PARA TODAS LAS PLAYAS DEL NORTE DE LAS ISLAS VIRGENES AMERICANAS. .DIAS DOS HASTA SIETE...MIERCOLES A LUNES SE ESPERAN QUE LAS MAREJADAS DE PERIODO LARGO DEL NORTE CONTINUEN AFECTANDO LAS ISLAS LOCALES MIERCOLES HASTA EL JUEVES, PARA PRODUCIR ALTURAS PELIGROSAS DE OLAS ROMPIENTES, CORRIENTES SUBMARINAS Y EROSION COSTERA A LO LARGO DE LAS COSTAS DE LAS AGUAS DEL ATLANTICO Y LOS PASAJES DEL CARIBE. .COMUNICADO SOBRE INFORMACION REPORTADA POR OBSERVADORES... NO SE ANTICIPA ACTIVACION AMPLIA DE OBSERVADORES, SIN EMBARGO SE INVITA A LOS OBSERVADORES A REPORTAR CORRIENTES SUBMARINAS Y INUNDACIONES MENORES AL SERVICIO NACIONAL DE METEOROLOGIA EN SAN JUAN.
In the hours before
Special weather statement, Oct 18, 3:57 AM CDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
457 AM AST TUE OCT 18 2016
PRZ008>011-181015-
SOUTHWEST-NORTHWEST-MAYAGUEZ AND VICINITY-WESTERN INTERIOR-
457 AM AST TUE OCT 18 2016
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT ISABELA...
QUEBRADILLAS...SABANA GRANDE...SAN SEBASTIAN...SAN GERMAN...
MARICAO...HORMIGUEROS...MAYAGUEZ...MOCA...GUANICA...LAJAS...ANASCO...
RINCON...AGUADA...AGUADILLA...LAS MARIAS AND CABO ROJO
MUNICIPALITIES...
AT 454 AM AST A INTENSE AREA OF SHOWERS AND STRONG THUNDERSTORMS ARE
ABOUT TO MOVE INLAND OVER WESTERN PUERTO RICO. DANGEROUS LIGHTING
STRIKES, TORRENTIAL RAINFALL AND STRONG GUSTY WINDS ARE EXPECTED. AS
THESE STORMS PASS BY...EXPECT STRONG GUSTY WINDS AROUND 30-35. THIS
ACTIVITY WILL CONTINUE DURING THE NEXT HOUR OR SO ACROSS THESE
MUNICIPALITIES.
WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 1849 6693 1793 6697 1795 6697 1797 6699
1798 6706 1795 6710 1797 6718 1793 6719
1799 6721 1801 6717 1804 6721 1817 6718
1821 6715 1828 6719 1830 6723 1836 6727
1842 6716 1848 6717 1851 6714
TIME...MOT...LOC 0854Z 200DEG 14KT 1823 6719
FCSpecial weather statement, Oct 18, 4:32 AM CDT, 1 hour 56 minutes before
COMUNICADO ESPECIAL SOBRE LAS CONDICIONES DEL TIEMPO SERVICIO NACIONAL DE METEOROLOGIA SAN JUAN PR 457 AM AST MARTES 18 DE OCTUBRE DE 2016 PRZ008>011-181015- SUROESTE-NOROESTE-MAYAGUEZ Y VECINDAD-INTERIOR OESTE- 457 AM AST MARTES 18 DE OCTUBRE DE 2016 ...UNA AREA DE FUERTES TRONADAS AFECTARAN A ISABELA... QUEBRADILLAS...SABANA GRANDE...SAN SEBASTIAN...SAN GERMAN... MARICAO...HORMIGUEROS...MAYAGUEZ...MOCA...GUANICA...LAJAS...ANASCO... RINCON...AGUADA...AGUADILLA...LAS MARIAS Y CABO ROJO... A LAS 4:54 AM AST...UNA AREA DE AGUACEROS Y FUERTES TRONADAS ESTAN POR MOVERSE SOBRE TIERRA ADENTRO SOBRE EL OESTE DE PUERTO RICO. RAYOS PELIGROSOS...LLUVIAS TORRENCIALES Y FUERTES VIENTOS EN RAFAGAS SE ESPERAN. A MEDIDA QUE ESTAS TRONADAS PASEN...SE ESPERAN FUERTES VIENTOS EN RAFAGAS ALREDEDOR DE 30-35 MPH. ESTA ACTIVIDAD CONTINUARA DURANTE LA PROXIMA HORA MAS O MENOS A TRAVES DE ESTOS MUNICIPIOS. VIENTOS EN EXCESO DE 30 MPH SON POSIBLES CON ESTA TRONADA. LLUVIAS TORRENCIALES ESTAN OCURRIENDO CON ESTA TORMENTA Y PODRIAN CAUSAR INUNDACIONES LOCALIZADAS. NO INTENTE CONDUCIR SU VEHICULO A TRAVES DE CARRETERAS INUNDADAS. RAYOS FRECUENTES DE NUBE A SUELO ESTAN OCURRIENDO CON ESTA TRONADA. LOS RAYOS PUEDEN CAER A 10 MILLAS DE DISTANCIA DE UNA TRONADA. BUSQUE REFUGIO SEGURO DENTRO DE UN EDIFICIO O VEHICULO. FC/GL
Special weather statement, Oct 18, 5:07 AM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
607 AM AST TUE OCT 18 2016
PRZ007>011-181130-
SOUTHWEST-PONCE AND VICINITY-NORTHWEST-MAYAGUEZ AND VICINITY-WESTERN
INTERIOR-
607 AM AST TUE OCT 18 2016
...A STRONG THUNDERSTORM WILL AFFECT CAMUY...ISABELA...
QUEBRADILLAS...SABANA GRANDE...SAN SEBASTIAN...WESTERN YAUCO...SAN
GERMAN...GUAYANILLA...MARICAO...LARES...HORMIGUEROS...MAYAGUEZ...
MOCA...GUANICA...LAJAS...ANASCO...RINCON...AGUADA...AGUADILLA...LAS
MARIAS AND CABO ROJO MUNICIPALITIES...
AT 604 AM AST A INTENSE AREA OF SHOWERS AND STRONG THUNDERSTORMS
AREA AFFECTING WESTERN PUERTO RICO. DANGEROUS LIGHTING
STRIKES...TORRENTIAL RAINFALL AND STRONG GUSTY WINDS ARE EXPECTED.
AS THESE STORMS PASS BY...EXPECT STRONG GUSTY WINDS AROUND 30-35.
THIS ACTIVITY WILL CONTINUE DURING THE NEXT HOUR OR SO ACROSS THESE
MUNICIPALITIES.
WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 1849 6688 1795 6684 1797 6693 1793 6692
1793 6697 1797 6699 1798 6706 1795 6710
1797 6718 1793 6719 1799 6721 1801 6717
1804 6721 1821 6715 1828 6719 1830 6723
1836 6727 1842 6716 1848 6717 1851 6714
TIME...MOT...LOC 1004Z 200DEG 0KT 1823 6715
FCSpecial weather statement, Oct 18, 6:28 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
728 AM AST TUE OCT 18 2016
PRZ006-007-009-181230-
PONCE AND VICINITY-CENTRAL INTERIOR-WESTERN INTERIOR-
728 AM AST TUE OCT 18 2016
...A STRONG THUNDERSTORM WILL AFFECT ADJUNTAS...PENUELAS...JUANA
DIAZ...PONCE...SOUTHEASTERN YAUCO...OROCOVIS...GUAYANILLA...UTUADO...
VILLALBA...COAMO...CIALES AND JAYUYA MUNICIPALITIES...
AT 726 AM AST...STRONG THUNDERSTORMS MOVED INLAND ACROSS THE
SOUTHWEST AND SOUTH CENTRAL PUERTO RICO OVER THE NEXT HOUR OR SO.
TORRENTIAL RAINFALL, GUSTY WINDS UP TO 30 MPH AND FREQUENT LIGHTNING
IS POSSIBLE WITH THIS THUNDERSTORM.
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.
LAT...LON 1819 6638 1799 6675 1800 6676 1799 6676
1801 6677 1800 6680 1799 6680 1799 6679
1797 6679 1806 6690 1832 6664
TIME...MOT...LOC 1126Z 226DEG 28KT 1808 6675
ERThe office that day
Everything else NWS JSJ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 17, 8:12 PM CDT | Coastal Flood Advisory | JSJ | 32 hr | |
| Oct 18, 3:27 AM CDT | Special Marine Warning | JSJ | 93 min | |
| Oct 18, 3:57 AM CDT | Special Weather Statement | JSJ | 78 min | |
| Oct 18, 5:07 AM CDT | Special Weather Statement | JSJ | 83 min | |
| Oct 18, 5:26 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Oct 18, 5:42 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Oct 18, 7:01 AM CDT | Special Weather Statement | JSJ | 74 min | |
| Oct 18, 7:14 AM CDT | Areal Flood Advisory | JSJ | 5 hr | |
| Oct 18, 8:45 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Oct 18, 9:30 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Oct 18, 9:50 AM CDT | Areal Flood Advisory | JSJ | 2 hr | |
| Oct 18, 10:47 AM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Oct 18, 11:16 AM CDT | Special Weather Statement | JSJ | 59 min | |
| Oct 18, 12:14 PM CDT | Flash Flood Warning | JSJ | 4 hr | |
| Oct 18, 12:33 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Oct 18, 1:17 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Oct 18, 2:53 PM CDT | Areal Flood Advisory | JSJ | 3 hr | |
| Oct 18, 4:07 PM CDT | Areal Flood Warning | JSJ | 9 hr | |
| Oct 18, 4:18 PM CDT | Areal Flood Warning | JSJ | 3 hr |
Nearby
Special Weather Statements in Puerto Rico, 2016Every special weather statement in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.