Flash Flood Warning 134, NWS JSJ

Issued

Sep 13, 2011, 6:46 AM CDT (11:46 UTC)

Expired

Sep 13, 2011, 9:45 AM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 112 km from the middle of the area, began a volume at 11:46 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.

504 
WGCA52 TJSJ 131146
FFWSJU
PRC003-005-011-023-067-079-083-097-099-117-125-131445-
/O.NEW.TJSJ.FF.W.0134.110913T1146Z-110913T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
746 AM AST TUE SEP 13 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     ANASCO
     HORMIGUEROS
     LAJAS
     MOCA
     SAN GERMAN
     LAS MARIAS
     RINCON
     AGUADILLA
     AGUADA
     CABO ROJO
     MAYAGUEZ

* UNTIL 1045 AM AST

* AT 737 AM AST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS 
WITH VERY HEAVY RAIN ACROSS THESE MUNICIPALITIES MOVING REPEATEDLY 
OVER THE SAME AREAS. THIS WILL CAUSE FLASH FLOODING IN LOW LYING 
AREAS...CREEKS...STREAMS AND RIVERS. 

RESIDENTS IN FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND 
IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY.

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.


IN MOUNTAINOUS OR HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER
CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT
ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES
AWAY.

&&

LAT...LON 1840 6704 1818 6705 1814 6699 1796 6699
      1794 6711 1795 6722 1801 6721 1802 6719
      1803 6720 1820 6716 1828 6720 1836 6727
      1842 6716 1849 6718 1852 6710

$$

ER

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

649 
WGCA72 TJSJ 131444
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1044 AM AST TUE SEP 13 2011

PRC003-005-011-023-067-079-083-097-099-117-125-131450-
/O.EXP.TJSJ.FF.W.0134.000000T0000Z-110913T1445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HORMIGUEROS PR-MOCA PR-SAN GERMAN PR-AGUADILLA PR-AGUADA PR-
LAS MARIAS PR-CABO ROJO PR-MAYAGUEZ PR-RINCON PR-LAJAS PR-ANASCO PR-
1044 AM AST TUE SEP 13 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1045 AM AST FOR 
ANASCO...LAJAS...RINCON...MAYAGUEZ...CABO ROJO...LAS 
MARIAS...AGUADA...AGUADILLA...SAN GERMAN...MOCA AND HORMIGUEROS 
MUNICIPALITIES. AN AREAL FLOOD WARNING REPLACES THIS WARNING FOR 
THE CULEBRINAS RIVER...ITS TRIBUTARIES INCLUDING URBAN AREAS AND 
SMALL STREAMS. 

DOPPLER RADAR INDICATED THAT WHILE SOME SHOWERS AND THUNDERSTORMS 
CONTINUES TO MOVE ACROSS THESE AREAS...THE TORRENTIAL DOWNPOURS 
WHICH AFFECTED THIS AREA HAD MOVED AWAY. 

LAT...LON 1840 6704 1818 6705 1814 6699 1796 6699
      1794 6711 1795 6722 1801 6721 1802 6719
      1803 6720 1820 6716 1828 6720 1836 6727
      1842 6716 1849 6718 1852 6710

$$

AAS

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

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

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.