Flash Flood Warning 144, NWS JSJ

Issued

Sep 19, 2011, 6:36 PM CDT (23:36 UTC)

Expired

Sep 19, 2011, 9:30 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 50 km from the middle of the area, began a volume at 23:39 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.

194 
WGCA52 TJSJ 192336
FFWSJU
PRC001-075-113-133-200230-
/O.NEW.TJSJ.FF.W.0144.110919T2336Z-110920T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
736 PM AST MON SEP 19 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     JUANA DIAZ
     PONCE
     SANTA ISABEL
     ADJUNTAS

* UNTIL 1030 PM AST

* AT 727 PM AST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS 
WITH AREAS OF VERY HEAVY RAIN MOVING ACROSS THESE MUNICIPALITIES OF 
PUERTO RICO. EXCESSIVE RUNOFF FROM THIS RAINFALL...ON ALREADY 
SATURATED SOILS AND SWOLLEN RIVERS...WILL CAUSE ANOTHER ROUND OF 
FLOODING ON THE LOCAL CREEKS...STREAMS AND RIVERS ACROSS THESE 
MUNICIPALITIES. IN ADDITION...MUDSLIDES AND DEBRIS FLOW CAN BE 
EXPECTED IN AREAS OF STEEP TERRAIN.  

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 1799 6648 1796 6655 1798 6668 1812 6668
      1814 6673 1818 6670 1817 6667 1815 6667
      1815 6655 1808 6651 1808 6645 1804 6642
      1801 6634 1794 6638

$$

ER

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

353 
WGCA72 TJSJ 200230
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1030 PM AST MON SEP 19 2011

PRC001-075-113-133-200238-
/O.EXP.TJSJ.FF.W.0144.000000T0000Z-110920T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JUANA DIAZ PR-PONCE PR-SANTA ISABEL PR-ADJUNTAS PR-
1030 PM AST MON SEP 19 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 1030 PM AST FOR ADJUNTAS...
SANTA ISABEL...PONCE AND JUANA DIAZ MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED. ONLY LIGHT RAIN CONTINUES OVER THESE MUNICIPALITIES. 
IN ADDITION...RIVERS ACROSS THESE MUNICIPALITIES ARE NOW BELOW FLOOD 
STAGE. THEREFORE...THE FLASH FLOOD WARNING FOR THESE AREAS WILL BE 
ALLOWED TO EXPIRE.

LAT...LON 1799 6648 1796 6655 1798 6668 1812 6668
      1814 6673 1818 6670 1817 6667 1815 6667
      1815 6655 1808 6651 1808 6645 1804 6642
      1801 6634 1794 6638

$$

ER

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.