Flash Flood Warning 137, NWS JSJ

Issued

Sep 13, 2011, 9:48 AM CDT (14:48 UTC)

Expired

Sep 13, 2011, 12:45 PM CDT

In force

3 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 58 km from the middle of the area, began a volume at 14:49 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.

787 
WGCA52 TJSJ 131448
FFWSJU
PRC113-131745-
/O.NEW.TJSJ.FF.W.0137.110913T1448Z-110913T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1048 AM AST TUE SEP 13 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     PONCE

* UNTIL 145 PM AST

* AT 1045 AM AST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS 
ACROSS PONCE MOVING REPEATEDLY OVER THE SAME AREA. IN ADDITION... 
INABON RIVER AT PONCE WILL CONTINUE TO RUN ABOVE BANKFULL THIS 
MORNING. RIVER SENSOR WAS 13.58 FEET AND CONTINUING TO RISE. FLOOD 
STAGE 10.00 FEET.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 1798 6665 1813 6668 1815 6666 1816 6656
      1797 6654

$$

ER

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

434 
WGCA72 TJSJ 131743
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
143 PM AST TUE SEP 13 2011

PRC113-131750-
/O.EXP.TJSJ.FF.W.0137.000000T0000Z-110913T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PONCE PR-
143 PM AST TUE SEP 13 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 145 PM AST FOR PONCE
MUNICIPALITY...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. ALTHOUGH SOME INTERMITTENT SHOWERS MAY 
MOVE ACROSS THE AREA OVER THE NEXT FEW HOURS...THE RIVERS AND 
STREAMS CONTINUE TO RECEDE. THEREFORE...THE FLASH FLOOD WARNING WILL 
BE ALLOWED TO EXPIRE. 

RESIDENTS AND MOTORISTS SHOULD HOWEVER BE ALERT TO PONDING OF WATER 
ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND RIVERS TO RETURN 
TO NORMAL LEVELS.

LAT...LON 1798 6665 1813 6668 1815 6666 1816 6656
      1797 6654

$$

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.