Flash Flood Warning 20, NWS JSJ

Issued

May 8, 2012, 7:44 PM CDT (00:44 UTC)

Expired

May 8, 2012, 9:45 PM CDT

In force

2 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 48 km from the middle of the area, began a volume at 00:44 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.

316 
WGCA52 TJSJ 090044
FFWSJU
PRC051-143-145-090245-
/O.NEW.TJSJ.FF.W.0020.120509T0044Z-120509T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
844 PM AST TUE MAY 8 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     VEGA ALTA
     VEGA BAJA
     DORADO

* UNTIL 1045 PM AST

* AT 839 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN CONTINUING OVER THE WARNED AREA. THIS RAIN IS SLOW 
MOVING AND SOME AREAS HAVE RECEIVED MORE THAN TWO AND ONE HALF 
INCHES. THE HEAVIEST RAIN WAS JUST EAST OF BARRIO SABANA IN VEGA 
ALTA. 

FOR THE RIO CIBUCO NEAR VEGA BAJA - VGBP4
     FLOOD STAGE - 15 FEET.
     AT 839 PM AST THE USGS SENSOR INDICATED THE RIVER HAD RISEN
     TO...
     10.57 FEET.
     MINOR FLOODING IS FORECAST.

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 1849 6640 1849 6637 1848 6634 1848 6633
      1847 6630 1846 6627 1844 6627 1843 6632
      1845 6637 1846 6640

$$

SNELL

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

611 
WGCA72 TJSJ 090243
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1043 PM AST TUE MAY 8 2012

PRC051-143-145-090247-
/O.EXP.TJSJ.FF.W.0020.000000T0000Z-120509T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
VEGA ALTA PR-VEGA BAJA PR-DORADO PR-
1043 PM AST TUE MAY 8 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1045 PM AST FOR DORADO...
VEGA BAJA AND VEGA ALTA MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED. NO SIGNIFICANT HEAVY RAINFALL IS EXPECTED ACROSS 
THESE AREAS AT THIS TIME. 

ALTHOUGH...THE LEVELS OF RIO CIBUCO NEAR VEGA BAJA ARE RUNNING 
HIGH...THE THREAT OF FLASH FLOODING HAVE FINISHED. THEREFORE...THE 
FLASH FLOOD WARNING WILL WILL BE ALLOWED TO EXPIRE AT 1045 PM AST.   

RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD HOWEVER BE ALERT TO
PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND 
RIVERS TO RETURN TO NORMAL LEVELS.



LAT...LON 1849 6640 1849 6637 1848 6634 1848 6633
      1847 6630 1846 6627 1844 6627 1843 6632
      1845 6637 1846 6640

$$

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.