Flash Flood Warning 122, NWS JSJ

Issued

Aug 23, 2011, 4:12 PM CDT (21:12 UTC)

Expired

Aug 23, 2011, 7:15 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 23 km from the middle of the area, began a volume at 21:15 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.

855 
WGCA52 TJSJ 232112
FFWSJU
PRC043-057-123-133-240015-
/O.NEW.TJSJ.FF.W.0122.110823T2112Z-110824T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
512 PM AST TUE AUG 23 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     COAMO
     GUAYAMA
     SALINAS
     SANTA ISABEL

* UNTIL 815 PM AST

* AT 506 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LINE OF SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAINS OVER THE 
THE WARNED AREA. RAINFALL RATES AS HIGH AS 2 TO 3 INCHES PER HOUR 
HAVE BEEN ESTIMATED WITH THIS LINE. ADDITIONAL THUNDERSTORMS WITH 
VERY HEAVY RAIN ARE APPROACHING TO THESE MUNICIPALITIES FROM THE 
CARIBBEAN WATERS. THIS WILL RESULT IN ADDITIONAL FLASH FLOODING 
ACROSS THESE MUNICIPALITIES.

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.

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.

&&

LAT...LON 1808 6643 1813 6637 1813 6632 1807 6625
      1809 6622 1805 6620 1805 6610 1796 6607
      1793 6614 1794 6624 1798 6633 1795 6638
      1798 6644

$$

ER

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

493 
WGCA72 TJSJ 240010
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
810 PM AST TUE AUG 23 2011

PRC043-057-123-133-240020-
/O.EXP.TJSJ.FF.W.0122.000000T0000Z-110824T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COAMO PR-GUAYAMA PR-SALINAS PR-SANTA ISABEL PR-
810 PM AST TUE AUG 23 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 PM AST FOR SANTA
ISABEL...SALINAS...GUAYAMA AND COAMO MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS 
EXPECTED ACROSS THESE AREAS AT THIS TIME. HOWEVER...RIVER ACROSS 
THESE AREA REMAINS AT HIGH LEVELS. CONTINUE TO MONITOR FOR ANY 
UPDATES FOR THESE AREAS.

LAT...LON 1808 6643 1813 6637 1813 6632 1807 6625
      1809 6622 1805 6620 1805 6610 1796 6607
      1793 6614 1794 6624 1798 6633 1795 6638
      1798 6644

$$

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.