Flash Flood Warning 87, NWS JSJ

Issued

Aug 3, 2011, 4:02 AM CDT (09:02 UTC)

Expired

Aug 3, 2011, 9:00 AM CDT

In force

5 hr

Issued by

NWS JSJ

Area

Storm-based polygon

Flood severity

None

The San Juan radar (TJUA), 12 km from the middle of the area, began a volume at 09:05 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.

303 
WGCA52 TJSJ 030902
FFWSJU
PRC109-031200-
/O.NEW.TJSJ.FF.W.0087.110803T0902Z-110803T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     PATILLAS

* UNTIL 800 AM AST

* AT 500 AM AST...DOPPLER RADAR INDICATED MODERATE SHOWER ACTIVITY 
ACROSS THIS AREA. U.S.G.S. RIVER SENSORS INDICATE THAT THE RIO MARIN IS 
OUT OF ITS BANKS AND CONTINUE TO RISE. MOTORISTS DRIVING ALONG THE RIO 
MARIN IN FLOOD PRONE AREAS SHOULD EXERCISE EXTREME CAUTION. 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 1805 6606 1808 6602 1797 6594 1797 6602

$$

OMS

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

055 
WGCA52 TJSJ 031159
FFWSJU
PRC109-031400-
/O.EXT.TJSJ.FF.W.0087.000000T0000Z-110803T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     PATILLAS

* UNTIL 1000 AM AST

* AT 749 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
PERSISTENT HEAVY RAIN OVER THE WARNED AREA. ADDITIONAL HEAVY RAIN 
WILL CONTINUE TO AFFECT PATILLAS AND NEARBY MUNICIPALITIES DURING 
THE NEXT COUPLE OF HOURS. IN ADDITION...U.S.G.S. RIVER SENSORS 
INDICATED THAT THE LEVELS OF RIO MARIN IN PATILLAS WERE STILL RISING 
AND IS EXPECTED TO BE ABOVE FLOOD STAGE AT LEAST THROUGH 10 AM AST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 1805 6606 1808 6602 1797 6594 1797 6602

$$

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.