Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 52, NWS JSJ

June 6, 2011

NWS JSJ issued this flash flood warning at Jun 6, 2011, 7:41 PM CDT. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 6, 2011, 7:41 PM CDT (00:41 UTC)
Expired: Jun 6, 2011, 10:30 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 17 km from the middle of the area, began a volume at 00:44 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.

The text

As transmitted, in the capitals the NWS used until 2016.

959 
WGCA52 TJSJ 070041
FFWSJU
PRC015-035-057-069-095-109-129-151-070330-
/O.NEW.TJSJ.FF.W.0052.110607T0041Z-110607T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
ISSUED BY NATIONAL WEATHER SERVICE MIAMI FL
841 PM AST MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAYEY
     SAN LORENZO
     ARROYO
     PATILLAS
     MAUNABO
     GUAYAMA
     HUMACAO
     YABUCOA

* UNTIL 1230 AM AST

* AT 936 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED   
  TO INDICATE VERY HEAVY RAINFALL OVER THE WARNED AREA. SEVERAL INCHES
  OF RAINFALL HAS FALLEN, AND AN ADDITIONAL SEVERAL INCHES ARE       
  POSSIBLE OVER THE NEXT FEW HOURS. 

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...

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.

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 1793 6616 1807 6615 1811 6582 1805 6581
      1800 6583 1800 6587 1796 6592 1796 6599
      1797 6602 1795 6604 1796 6608 1793 6614

$$

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

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jun 6, 7:40 PM CDT	Flash Flood Warning	JSJ	3 hr
Jun 7, 12:44 AM CDT	Areal Flood Advisory	JSJ	6 hr
Jun 7, 1:07 AM CDT	Areal Flood Advisory	JSJ	8 hr
Jun 7, 6:27 AM CDT	Flash Flood Warning	JSJ	6 hr
Jun 7, 7:32 AM CDT	Areal Flood Warning	JSJ	10 hr
Jun 7, 8:12 AM CDT	Flash Flood Warning	JSJ	3 hr
Jun 7, 8:25 AM CDT	Areal Flood Advisory	JSJ	6 hr
Jun 7, 8:44 AM CDT	Flash Flood Warning	JSJ	6 hr
Jun 7, 8:52 AM CDT	Areal Flood Warning	JSJ	8 hr
Jun 7, 9:34 AM CDT	Flash Flood Warning	JSJ	3 hr
Jun 7, 1:32 PM CDT	Areal Flood Advisory	JSJ	118 min

Nearby

Flash Flood Warnings in Puerto Rico, 2011 Every flash flood warning in 2011

Sources

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.