Flash Flood Warning 105, NWS JSJ

Issued

Aug 22, 2011, 4:06 PM CDT (21:06 UTC)

Expired

Aug 22, 2011, 10:00 PM CDT

In force

6 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 42 km from the middle of the area, began a volume at 21:06 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.

475 
WGCA52 TJSJ 222106
FFWSJU
PRC019-047-101-105-107-143-145-230000-
/O.NEW.TJSJ.FF.W.0105.110822T2106Z-110823T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
506 PM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     COROZAL
     BARRANQUITAS
     OROCOVIS
     NARANJITO
     MOROVIS
     VEGA ALTA
     VEGA BAJA

* UNTIL 800 PM AST

* AT 501 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN OVER THE CIBUCO BASIN. IN ADDITION...USGS RIVER SENSORS 
INDICATED THAT THE RIO CIBUCO IN VEGA BAJA WAS RISING RAPIDLY. AT 
LEAST AN ADDITIONAL INCH OF RAIN IS EXPECTED BEFORE THE SHOWERS END 
ACROSS THE WARNED AREA.

FOR THE RIO CIBUCO NEAR VEGA BAJA - VGBP4
     FLOOD STAGE - 15 FEET.
     AT 501 PM AST THE USGS SENSOR INDICATED THE RIVER HAD           
     RISEN TO...14.32 FEET AND RISING.
     MINOR FLOODING IS FORECAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 1849 6639 1849 6632 1825 6627 1821 6639
      1833 6642

$$

JJA/AAS

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

478 
WGCA52 TJSJ 222336
FFWSJU
PRC019-047-101-105-107-143-145-230300-
/O.EXT.TJSJ.FF.W.0105.000000T0000Z-110823T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
736 PM AST MON AUG 22 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     COROZAL
     BARRANQUITAS
     OROCOVIS
     NARANJITO
     MOROVIS
     VEGA ALTA
     VEGA BAJA

* UNTIL 1100 PM AST

* AT 725 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUE 
INDICATING HEAVY RAIN OVER THE CIBUCO BASIN. IN ADDITION...USGS 
RIVER SENSORS INDICATED THAT THE RIO CIBUCO IN VEGA BAJA REMAIN 
CLOSE TO FLOOD STAGE.
FOR THE RIO CIBUCO NEAR VEGA BAJA - VGBP4
     FLOOD STAGE - 15 FEET.
     AT 725 PM AST THE USGS SENSOR INDICATED THE RIVER IS AT 13.78   
     FEET...AND WITH NEW HEAVY RAINFALL OVER THE AREA...THE RIVER    
     WILL RISE QUICKLY TO FLOOD STAGE.
     MINOR FLOODING IS FORECAST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 1849 6639 1849 6632 1825 6627 1821 6639
      1833 6642

$$

CASTRO

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.