Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 3, NWS JSJ

March 14, 2012

NWS JSJ issued this flash flood warning at Mar 14, 2012, 4:49 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: Mar 14, 2012, 4:49 PM CDT (21:49 UTC)
Expired: Mar 14, 2012, 10:45 PM CDT
In force: 6 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 116 km from the middle of the area, began a volume at 21:51 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.

267 
WGCA52 TJSJ 142149
FFWSJU
PRC003-005-099-150345-
/O.NEW.TJSJ.FF.W.0003.120314T2149Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
549 PM AST WED MAR 14 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MOCA
     AGUADILLA
     AGUADA

* UNTIL 1145 PM AST

* AT 542 PM AST...RUNOFF FROM HEAVY RAINFALL OVER THE CULEBRINAS 
RIVER BASIN HAS CAUSED SHARP RISES ON THE RIVER. AT 541 PM 
AST...USGS SENSORS INDICATED THE RIVER AT MOCA AT 15.81 FEET AND 
RISING RAPIDLY AND FLOOD STAGE IS 25 FEET. LATEST PROJECTIONS 
INDICATE THE RIVER WILL CREST AROUND 26 FEET EARLY THIS EVENING.

AT 25 FEET...THE RIVER FLOODS HIGHWAY ROUTE 111 FROM SAN SEBASTIAN 
TO AGUADILLA ESPECIALLY AT THE JUNCTION WITH ROUTE 125 IN MOCA. 

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY 
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN 
JUAN.

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 1841 6719 1841 6717 1837 6707 1835 6708
      1837 6714

$$

ROSA/ALAMO

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

3 follow-up statements

571 
WGCA72 TJSJ 142257
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
657 PM AST WED MAR 14 2012

PRC099-142302-
/O.CAN.TJSJ.FF.W.0003.000000T0000Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOCA PR-
657 PM AST WED MAR 14 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MOCA
MUNICIPALITY...

THE CULEBRINAS RIVER AT MOCA HAS CRESTED AND IS NOW FALLING. NO 
ADDITIONAL RAINFALL THAT WOULD CAUSE SIGNIFICANT RISES IS EXPECTED. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR MOCA.

LAT...LON 1837 6714 1841 6719 1841 6717 1840 6714

$$

PRC003-005-150345-
/O.CON.TJSJ.FF.W.0003.000000T0000Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AGUADILLA PR-AGUADA PR-
657 PM AST WED MAR 14 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM AST FOR
AGUADA AND AGUADILLA MUNICIPALITIES...

SHARP RISES ARE NOW BEING OBSERVED ON THE CULEBRINAS RIVER AT 
MARGARITA DAM IN COLOSO AGUADA. AT 649 PM AST...THE RIVER WAS AT 
7.69 FEET AND RISING RAPIDLY. IT IS STILL POSSIBLE THAT THE RIVER 
WILL APPROACH THE FLOOD STAGE OF 15 FEET THERE AND FOR THIS REASON 
THE FLASH FLOOD WARNING WILL REMAIN IN EFFECT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN
JUAN.

&&

LAT...LON 1837 6714 1841 6719 1841 6717 1840 6714

$$

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

308 
WGCA72 TJSJ 142313
FFSSPN

COMUNICADO SOBRE INUNDACIONES REPENTINAS
NATIONAL WEATHER SERVICE SAN JUAN PR
657 PM AST MIERCOLES 14 DE MARZO DE 2012

PRC099-142302-
/O.CAN.TJSJ.FF.W.0003.000000T0000Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOCA PR-
657 PM AST MIERCOLES 14 DE MARZO DE 2012

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

EL RIO CULEBRINAS EN MOCA YA ESTA DISMINUYENDO Y NO SE ESPERA LLUVIA 
ADICIONAL QUE PUDIERA CAUSAR MAS CRECIDAS. POR LO TANTO...EL AVISO 
DE INUNDACIONES REPENTINAS HA SIDO CANCELADO PARA MOCA.

$$

PRC003-005-150345-
/O.CON.TJSJ.FF.W.0003.000000T0000Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AGUADILLA PR-AGUADA PR-
657 PM AST MIERCOLES 14 DE MARZO DE 2012

...AVISO DE INUNDACIONES REPENTINAS PARA MOCA Y AGUADILLA PERMANECE 
EN EFECTO HASTA LAS 1145 PM AST...

CRECIDAS RAPIDAS SE ESTAN VIENDO EN EL RIO CULEBRINAS EN LA REPRESA 
MARGARITA EN COLOSO AGUADA. A LAS 649 PM AST...EL RIO ESTABA EN 7.69 
PIES Y SUBIA RAPIDAMENTE. TODAVIA ES POSIBLE QUE EL RIO SE ACERQUE A 
SU NIVEL DE DESBORDAMIENTO DE 15 PIES. POR LO TANTO...SE HA 
MANTENIDO EL AVISO DE INUNDACIONES REPENTINAS.

&&

LAT...LON 1837 6714 1841 6719 1841 6717 1840 6714

$$

ROSA
INFORMACION ADICIONAL PUEDE SER ENCONTRADA EN/:TODO EN LETRA 
MINUSCULA...HTTP://WEATHER.GOV/SANJUAN





$$

178 
WGCA72 TJSJ 150226
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1026 PM AST WED MAR 14 2012

PRC003-005-150236-
/O.CAN.TJSJ.FF.W.0003.000000T0000Z-120315T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AGUADILLA PR-AGUADA PR-
1026 PM AST WED MAR 14 2012

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

THE RIVER CRESTED BELOW FLOOD STAGE AND IS NOW FALLING.

LAT...LON 1837 6714 1841 6719 1841 6717 1840 6714

$$

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	Counties	Lasted
Mar 14, 11:54 AM CDT	Areal Flood Advisory	JSJ		3 hr
Mar 14, 1:33 PM CDT	Areal Flood Advisory	JSJ		3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2012 Every flash flood warning in 2012

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.