Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 95, NWS JSJ

August 17, 2011

NWS JSJ issued this flash flood warning at Aug 17, 2011, 3:49 PM CDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 17, 2011, 3:49 PM CDT (20:49 UTC)
Expired: Aug 17, 2011, 9:45 PM CDT
In force: 6 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 114 km from the middle of the area, began a volume at 20:51 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, in the capitals the NWS used until 2016.

576 
WGCA52 TJSJ 172049
FFWSJU
PRC003-005-099-180245-
/O.NEW.TJSJ.FF.W.0095.110817T2049Z-110818T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
449 PM AST WED AUG 17 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MOCA
     AGUADILLA
     AGUADA

* UNTIL 1045 PM AST

* AT 441 PM AST...RUNOFF FROM PREVIOUS HEAVY RAINFALL HAS CAUSED     
  SHARP RISES ON THE CULEBRINAS RIVER. AT 4:36 PM AST...USGS RIVER   
  SENSOR INDICATED THE RIVER AT 22.16 FEET AND RISING RAPIDLY AND    
  FLOOD STAGE IS 24 FEET. AT 24 FEET...THE RIVER FLOODS HIGHWAY      
  PR-111 IN MOCA ESPECIALLY AT THE INTERSECTION WITH PR-125. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1837 6708 1834 6709 1840 6719 1842 6718

$$

ROSA

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

2 follow-up statements

047 
WGCA72 TJSJ 172231
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
631 PM AST WED AUG 17 2011

PRC005-099-172237-
/O.CAN.TJSJ.FF.W.0095.000000T0000Z-110818T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOCA PR-AGUADILLA PR-
631 PM AST WED AUG 17 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR AGUADILLA AND MOCA
MUNICIPALITIES...

THE RIVER HAS CRESTED AT MOCA AND IS NOW FALLING.

LAT...LON 1839 6713 1837 6714 1840 6719 1841 6718

$$

PRC003-180245-
/O.CON.TJSJ.FF.W.0095.000000T0000Z-110818T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AGUADA PR-
631 PM AST WED AUG 17 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM AST FOR
AGUADA MUNICIPALITY...

...MINOR FLOODING IS OCCURRING ALONG THE CULEBRINAS RIVER IN 
AGUADA...

AT 6:11 PM AST...USGS SENSORS INDICATED THE RIVER AT 15.16 FEET AND 
RISING AND FLOOD STAGE IS 15 FEET. AT 15 FEET...THE RIVER FLOODS LOW 
LYING AREAS ALONG ROUTES 115 AND 418 IN COLOSO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

&&

LAT...LON 1839 6713 1837 6714 1840 6719 1841 6718

$$

ROSA

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

733 
WGCA72 TJSJ 172249
FFSSPN

COMUNICADO SOBRE INUNDACIONES REPENTINAS
NATIONAL WEATHER SERVICE SAN JUAN PR
631 PM AST WED AUG 17 2011

PRC005-099-172237-
/O.CAN.TJSJ.FF.W.0095.000000T0000Z-110818T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOCA PR-AGUADILLA PR-
631 PM AST WED AUG 17 2011

...EL AVISO DE INUNDACIONES REPENTINAS PARA AGUADILLA Y MOCA HA SIDO 
CANCELADO...

EL RIO CULEBRINAS YA ESTA BAJANDO EN MOCA Y NO SE ESPERAN 
INUNDACIONES.

LAT...LON 1839 6713 1837 6714 1840 6719 1841 6718

$$

PRC003-180245-
/O.CON.TJSJ.FF.W.0095.000000T0000Z-110818T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AGUADA PR-
631 PM AST WED AUG 17 2011

...EL AVISO DE INUNDACIONES REPENTINAS PERMANECE EN EFECTO PARA AGUADA
HASTA LAS 1045 PM AST...

...INUNDACIONES MENORES ESTAN OCURRIENDO A LO LARGO DEL RIO 
CULEBRINAS EN AGUADA...

AT 6:11 PM AST...SENSORES DEL SERVICIO GEOLOGICO INDICABAN EL RIO EN 
15.16 PIES Y SUBIENDO Y SU NIVEL DE DESBORDAMIENTO ES DE 15 PIES. A 
15 PIES...EL RIO INUNDA AREAS BAJAS A LO LARGO DE LAS RUTAS 115 Y 
418 EN COLOSO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

UN AVISO DE INUNDACIONES REPENTINAS SIGNIFICA QUE LAS INUNDACIONES 
SON INMINENTES O ESTAN OCURRIENDO. SI USTED SE ENCUENTRA EN EL AREA 
BAJO AVISO MUEVASE A SUELOS MAS ALTOS INMEDIATAMENTE. LOS RESIDENTES 
A LO LARGO DE RIOS...RIACHUELOS Y QUEBRADAS DEBEN TOMAR PRECAUCIONES 
INMEDIATAS PARA PROTEGER VIDA Y PROPIEDAD. SON POSIBLES AUMENTOS 
RAPIDOS EN LOS NIVELES DE LOS RIOS. NO INTENTE CRUZAR CORRIENTES DE 
AGUA O AGUAS DE PROFUNDIDAD DESCONOCIDA A PIE O EN AUTOMOVIL.

&&

LAT...LON 1839 6713 1837 6714 1840 6719 1841 6718

$$

ROSA

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





$$

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Aug 16, 7:23 PM CDT	Special Marine Warning	JSJ	112 min
Aug 16, 8:19 PM CDT	Special Marine Warning	JSJ	92 min
Aug 16, 9:15 PM CDT	Special Marine Warning	JSJ	35 min
Aug 17, 1:34 PM CDT	Areal Flood Advisory	JSJ	3 hr
Aug 17, 2:34 PM CDT	Special Marine Warning	JSJ	68 min
Aug 17, 3:39 PM CDT	Special Marine Warning	JSJ	88 min

Nearby

Flash Flood Warnings in Puerto Rico, 2011 Every flash flood warning in 2011

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.