Flash Flood Warning 91, NWS JSJ

Issued

Aug 3, 2011, 9:02 AM CDT (14:02 UTC)

Expired

Aug 3, 2011, 12:00 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 21 km from the middle of the area, began a volume at 14:03 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.

188 
WGCA52 TJSJ 031402
FFWSJU
PRC069-095-151-031700-
/O.NEW.TJSJ.FF.W.0091.110803T1402Z-110803T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1002 AM AST WED AUG 3 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MAUNABO
     HUMACAO
     YABUCOA

* UNTIL 100 PM AST

* AT 953 AM AST...DOPPLER WEATHER RADAR DETECTED MODERATE TO HEAVY 
RAINFALL CONTINUING TO AFFECT THIS AREA. ALSO...USGS RIVER SENSORS 
CONTINUE TO INDICATE THAT THE AREA RIVERS ARE OUT OF ITS BANKS. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN EXTENDED UNTIL 1:00 PM 
AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

IN MOUNTAINOUS OR HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER
CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT
ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES
AWAY.

&&

LAT...LON 1808 6599 1820 6581 1817 6575 1802 6584
      1798 6592

$$

JJA/AAS

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

900 
WGCA72 TJSJ 031655
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1255 PM AST WED AUG 3 2011

PRC069-095-151-031701-
/O.EXP.TJSJ.FF.W.0091.000000T0000Z-110803T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAUNABO PR-HUMACAO PR-YABUCOA PR-
1255 PM AST WED AUG 3 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR YABUCOA...HUMACAO AND
MAUNABO MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. HOWEVER...AN URBAN AND SMALL STEAM 
FLOOD ADVISORY WILL BE ISSUED FOR THIS AREA DUE TO RUNOFF AND 
POSSIBLE ADDITIONAL SHOWERS.

LAT...LON 1808 6599 1820 6581 1817 6575 1802 6584
      1798 6592

$$

JJA

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.