Flash Flood Warning 111, NWS JSJ

Issued

Aug 23, 2011, 1:41 AM CDT (06:41 UTC)

Expired

Aug 23, 2011, 7:33 AM CDT

In force

6 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 18 km from the middle of the area, began a volume at 06:41 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.

006 
WGCA52 TJSJ 230641
FFWSJU
PRC025-063-231245-
/O.NEW.TJSJ.FF.W.0111.110823T0641Z-110823T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
241 AM 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
     CAGUAS
     GURABO

* UNTIL 845 AM AST

* AT 237 AM AST...SHOWERS WITH VERY HEAVY RAIN CONTINUE TO FALL 
ACROSS THE LOIZA RIVER BASIN. THIS HAS RESULTED IN NEW RISES ALONG 
THE CAGUITAS AND CANA RIVERS. FLASH FLOODING IS EXPECTED IN LOW 
LYING AREAS ALONG THESE TWO RIVERS.

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 1831 6604 1830 6601 1827 6599 1824 6599
      1824 6602 1824 6603 1827 6604

$$

ROSA

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

283 
WGCA72 TJSJ 231233
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
833 AM AST TUE AUG 23 2011

PRC025-063-231241-
/O.CAN.TJSJ.FF.W.0111.000000T0000Z-110823T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAGUAS PR-GURABO PR-
833 AM AST TUE AUG 23 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR GURABO AND CAGUAS
MUNICIPALITIES...

DOPPLER RADAR INDICATES THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. THE POTENTIAL FOR ADDITIONAL RAINFALL 
ACROSS THESE AREAS EXISTS THROUGHOUT THE MORNING INTO THE AFTERNOON 
HOURS...CONTINUE TO MONITOR FOR ANY UPDATES ON FUTURE FLOODING IN 
THESE AREAS.

LAT...LON 1831 6604 1830 6601 1827 6599 1824 6599
      1824 6602 1824 6603 1827 6604

$$
AAS

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.