Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 43, NWS JSJ

May 28, 2011

NWS JSJ issued this flash flood warning at May 28, 2011, 7:18 PM CDT. It was in force for 2 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: May 28, 2011, 7:18 PM CDT (00:18 UTC)
Expired: May 28, 2011, 9:44 PM CDT
In force: 2 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 43 km from the middle of the area, began a volume at 00:18 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.

407 
WGCA52 TJSJ 290018
FFWSJU
PRC047-143-145-290315-
/O.NEW.TJSJ.FF.W.0043.110529T0018Z-110529T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
818 PM AST SAT MAY 28 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     COROZAL
     VEGA ALTA
     VEGA BAJA

* UNTIL 1115 PM AST

* AT 814 PM AST...AN EMERGENCY MANAGER REPORTED FLOODING IN FATIMA 
AREA ALONG THE RIO CIBUCO RIVER IN THE ADVISORY AREA. THIS FLOODING 
IS OCCURRING FROM THE HEAVY RAINS THAT OCCURRED IN THE COROZAL AREA 
EARLIER THIS AFTERNOON. EXPECT FLOODING TO CONTINUE ALONG ROUTES 
620..675...676...690 AND 647 IN VEGA ALTA AND VEGA BAJA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 1849 6638 1843 6633 1828 6633 1831 6637

$$

AAS

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

1 follow-up statement

061 
WGCA72 TJSJ 290244
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1044 PM AST SAT MAY 28 2011

PRC047-143-145-290251-
/O.CAN.TJSJ.FF.W.0043.000000T0000Z-110529T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COROZAL PR-VEGA ALTA PR-VEGA BAJA PR-
1044 PM AST SAT MAY 28 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR VEGA BAJA...VEGA
ALTA AND COROZAL MUNICIPALITIES...

THE RIVER HAS CRESTED AND IS RECEDING...SO THE FLOOD WARNING HAS 
BEEN CANCELLED. 

RESIDENTS AND MOTORISTS ACROSS THESE AREAS SHOULD HOWEVER BE ALERT TO
PONDING OF WATER ON ROADWAYS AND ALLOW TIME FOR STREAMS...CREEKS AND 
RIVERS TO RETURN TO NORMAL LEVELS. BE ESPECIALLY CAUTIOUS AT NIGHT 
WHEN IT IS HARDER TO RECOGNIZE THE WATER ON ROADWAYS.


LAT...LON 1849 6638 1843 6633 1828 6633 1831 6637

$$

AAS

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	Counties	Lasted
May 29, 2:18 PM CDT	Areal Flood Advisory	JSJ		3 hr
May 29, 5:40 PM CDT	Areal Flood Warning	JSJ		6 hr

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.