Flash Flood Warning 16, NWS JSJ

Issued

Aug 23, 2014, 3:24 PM CDT (20:24 UTC)

Expired

Aug 23, 2014, 6:15 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 26 km from the middle of the area, began a volume at 20:23 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.

292 
WGCA52 TJSJ 232024
FFWSJU
PRC007-021-041-045-051-105-135-137-232315-
/O.NEW.TJSJ.FF.W.0016.140823T2024Z-140823T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
424 PM AST SAT AUG 23 2014

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     BAYAMON
     CIDRA
     COMERIO
     NARANJITO
     AGUAS BUENAS
     DORADO
     TOA ALTA
     TOA BAJA

* UNTIL 715 PM AST

* AT 417 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
PERSISTENT HEAVY RAINFALL ALONG THE RIO LA PLATA BASIN AND 
CONTINUED TO RAIN. SHARP RISES ON THE RIO LA PLATA AND ITS 
TRIBUTARIES CAN BE EXPECTED WITHIN THE NEXT FEW HOURS AS SIGNIFICANT 
RUNOFF FROM THE HEAVY RAINFALL WILL RAPIDLY REACH THE BASIN. 
SIGNIFICANT RISES HAVE BEEN OBSERVED IN RIO LA PLATA IN COMERIO... 
THEREFORE RESIDENTS IN FLOOD PRONE AREAS SHOULD MOVE TO HIGHER 
GROUND IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY. 

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 1847 6620 1838 6620 1829 6615 1820 6614
      1816 6614 1816 6620 1829 6628 1848 6628

$$

ER/RAM/FC

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

633 
WGCA72 TJSJ 232317
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
717 PM AST SAT AUG 23 2014

PRC007-021-041-045-051-105-135-137-232325-
/O.EXP.TJSJ.FF.W.0016.000000T0000Z-140823T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BAYAMON PR-CIDRA PR-COMERIO PR-NARANJITO PR-AGUAS BUENAS PR-DORADO 
PR-TOA ALTA PR-TOA BAJA PR-
717 PM AST SAT AUG 23 2014

...THE FLASH FLOOD WARNING HAS EXPIRED FOR TOA BAJA...TOA ALTA...
DORADO...AGUAS BUENAS...NARANJITO...COMERIO...CIDRA AND BAYAMON
MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD MOVED AWAY. NO SIGNIFICANT ADDITIONAL HEAVY RAINFALL IS EXPECTED 
ACROSS THESE AREAS AT THIS TIME. FOR THIS REASON...THE FLASH FLOOD 
WARNING WAS ALLOWED TO EXPIRE AT 715 PM AST. HOWEVER...A FLOOD 
ADVISORY REMAINS IN EFFECT FOR THESE MUNICIPALITIES UNTIL 715 PM AST 
DUE TO EXCESSIVE RUNOFF AND MINOR FLOODING IN URBAN AREAS AND SMALL 
STREAMS.

LAT...LON 1847 6620 1838 6620 1829 6615 1820 6614
      1816 6614 1816 6620 1829 6628 1848 6628

$$

ER

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

Flash Flood Warnings in Puerto Rico, 2014Every flash flood warning in 2014

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.