Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 35, NWS JSJ

May 24, 2011

NWS JSJ issued this flash flood warning at May 24, 2011, 4:07 PM CDT. It was in force for 113 min. 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 24, 2011, 4:07 PM CDT (21:07 UTC)
Expired: May 24, 2011, 6:00 PM CDT
In force: 113 min
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 20 km from the middle of the area, began a volume at 21:10 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.

295 
WGCA52 TJSJ 242107
FFWSJU
PRC045-242300-
/O.NEW.TJSJ.FF.W.0035.110524T2107Z-110524T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
507 PM AST TUE MAY 24 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     COMERIO

* UNTIL 700 PM AST

* AT 459 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN SOUTH OF THE AREA.

FOR THE RIO DE LA PLATA FROM COMERIO TO TOA ALTA
     FLOOD STAGE COMERIO - 11 FEET. AT 459 PM AST...THE USGS SENSORS 
     INDICATED THE RIVERS HAD RISEN TO...NEAR 17 FEET. MODERATE      
     FLOODING IS FORECAST.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN
JUAN.

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 1827 6621 1827 6620 1821 6620 1819 6623
      1819 6625

$$

SNELL

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
May 23, 10:37 PM CDT	Areal Flood Warning	JSJ	4 hr
May 24, 1:36 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 2:15 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 3:24 PM CDT	Areal Flood Advisory	JSJ	3 hr
May 24, 4:36 PM CDT	Special Marine Warning	JSJ	39 min
May 24, 5:12 PM CDT	Flash Flood Warning	JSJ	10 hr
May 24, 5:53 PM CDT	Flash Flood Warning	JSJ	7 hr
May 24, 6:04 PM CDT	Flash Flood Warning	JSJ	3 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.