Flash Flood Warning 37, NWS JSJ

Issued

Oct 26, 2012, 5:24 AM CDT (10:24 UTC)

Expired

Oct 26, 2012, 10:15 AM CDT

In force

5 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 102 km from the middle of the area, began a volume at 10:23 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.

570 
WGCA52 TJSJ 261024
FFWSJU
PRC023-067-097-121-125-261515-
/O.NEW.TJSJ.FF.W.0037.121026T1024Z-121026T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
624 AM AST FRI OCT 26 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     HORMIGUEROS
     SABANA GRANDE
     SAN GERMAN
     CABO ROJO
     MAYAGUEZ

* UNTIL 1115 AM AST

* AT 614 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THAT HEAVY RAIN HAS FALLEN FOR SEVERAL HOURS OVER THE WARNED AREA.

FOR THE RIO GUANAJIBO AT SAN GERMAN - GSGP4
     FLOOD STAGE - 13 FEET
     AT 6 AM AST THE USGS SENSOR INDICATED THE RIVER WAS 13.74 FEET  
     AND RISING. MINOR FLOODING IS EXPECTED TO CONTINUE THROUGH 9 AM 
     AST.

FOR THE RIO GUANAJIBO NEAR HORMIGUEROS - HORP4
     FLOOD STAGE - 20 FEET.
     AT 614 AM AST THE USGS SENSOR INDICATED THE RIVER HAS SO FAR    
     REMAINED STEADY AT 11.84 FEET BUT WILL BEGIN TO RISE SHORTLY    
     TO...20 FEET.
     MINOR FLOODING IS FORECAST.

ADDITIONALLY URBAN AND OTHER AREAS AROUND THE RIVER MAY BECOME 
FLOODED AS RAIN CONTINUES OVER THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

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 1812 6698 1810 6694 1807 6694 1806 6698
      1807 6704 1814 6719 1816 6719 1819 6716

$$

SNELL

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

949 
WGCA72 TJSJ 261336
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
936 AM AST FRI OCT 26 2012

PRC121-125-261344-
/O.CAN.TJSJ.FF.W.0037.000000T0000Z-121026T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SABANA GRANDE PR-SAN GERMAN PR-
936 AM AST FRI OCT 26 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SAN GERMAN AND
SABANA GRANDE MUNICIPALITIES...

THE RAIN HAS ENDED AND THE RIVER HAS FALLEN BELOW FLOOD STAGE.

LAT...LON 1816 6709 1810 6711 1814 6719 1816 6719
      1819 6716

$$

PRC023-067-097-261515-
/O.CON.TJSJ.FF.W.0037.000000T0000Z-121026T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HORMIGUEROS PR-CABO ROJO PR-MAYAGUEZ PR-
936 AM AST FRI OCT 26 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM AST FOR
MAYAGUEZ...CABO ROJO AND HORMIGUEROS MUNICIPALITIES...

AT 930 AM AST...USGS GAGES INDICATE THE GUANAJIBO RIVER WAS AT 19.1 
FEET AND SLOWLY RISING. AT 19 FEET...THE RIVER FLOODS PR-114 AND 
PR-309 IN HORMIGUEROS AND MAYAGUEZ.

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 1816 6709 1810 6711 1814 6719 1816 6719
      1819 6716

$$

ROSA

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

080 
WGCA72 TJSJ 261520
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1120 AM AST FRI OCT 26 2012

PRC023-067-097-261528-
/O.EXP.TJSJ.FF.W.0037.000000T0000Z-121026T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HORMIGUEROS PR-CABO ROJO PR-MAYAGUEZ PR-
1120 AM AST FRI OCT 26 2012

THE FLASH FLOOD WARNING WAS REPLACED BY FLOOD AREA WARNING FOR 
HORMIGUEROS...CABO ROJO AND MAYAGUEZ THROUGH 315 PM AST.

LAT...LON 1816 6709 1810 6711 1814 6719 1816 6719
      1819 6716

$$

ER

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

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

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.