Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 11, NWS JSJ

May 14, 2011

NWS JSJ issued this flash flood warning at May 14, 2011, 2:26 PM CDT. It was in force for 75 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 14, 2011, 2:26 PM CDT (19:26 UTC)
Expired
May 14, 2011, 3:41 PM CDT
In force
75 min
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 33 km from the middle of the area, began a volume at 19:30 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.

020 
WGCA52 TJSJ 141926
FFWSJU
PRC031-139-142230-
/O.NEW.TJSJ.FF.W.0011.110514T1926Z-110514T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
326 PM AST SAT MAY 14 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     TRUJILLO ALTO
     CAROLINA

* UNTIL 630 PM AST

* AT 321 PM AST... THE RIVER GAGE AT QUEBRADA GRANDE WENT OVER FLOOD 
STAGE OF 11 FEET. GATES HAVE BEEN OPENED IN THE CARRAIZO DAM AND THE 
WATER IS EXPECTED TO CONTINUE TO RISE. PERSON NEAR THIS RIVER SHOULD 
MOVE TO HIGHER GROUND.

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 1845 6600 1843 6593 1834 6597 1834 6601

$$

SNELL

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
635 
WGCA72 TJSJ 142041
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
441 PM AST SAT MAY 14 2011

PRC031-139-142049-
/O.CAN.TJSJ.FF.W.0011.000000T0000Z-110514T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRUJILLO ALTO PR-CAROLINA PR-
441 PM AST SAT MAY 14 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CAROLINA AND
TRUJILLO ALTO MUNICIPALITIES...

THE RIVER GAGE AT QUEBRADA GRANDE INDICATED THAT THE RIVER HAD 
RECEDED UNDER FLOOD LEVELS. ALSO...DOPPLER RADAR INDICATED THAT THE 
HEAVY RAIN WHICH AFFECTED THIS AREA HAD DISSIPATED OR MOVED AWAY. NO 
SIGNIFICANT ADDITIONAL RAINFALL IS EXPECTED ACROSS THESE AREAS AT 
THIS TIME.

LAT...LON 1845 6600 1843 6593 1834 6597 1834 6601

$$

JJA

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.

IssuedProductOfficeCountiesLasted
May 14, 12:23 PM CDTAreal Flood AdvisoryJSJ3 hr
May 14, 12:31 PM CDTAreal Flood AdvisoryJSJ113 min
May 14, 12:54 PM CDTAreal Flood AdvisoryJSJ2 hr
May 14, 1:05 PM CDTAreal Flood AdvisoryJSJ77 min
May 14, 1:26 PM CDTFlash Flood WarningJSJ2 hr
May 14, 1:42 PM CDTSpecial Marine WarningJSJ49 min
May 14, 1:46 PM CDTAreal Flood AdvisoryJSJ3 hr
May 14, 2:02 PM CDTSpecial Marine WarningJSJ30 min
May 14, 2:26 PM CDTSpecial Marine WarningJSJ5 min
May 14, 2:30 PM CDTSpecial Marine WarningJSJ54 min
May 14, 3:49 PM CDTSpecial Marine WarningJSJ101 min
May 14, 4:30 PM CDTSpecial Marine WarningJSJ2 hr
May 14, 4:39 PM CDTSpecial Marine WarningJSJ47 min
May 14, 5:22 PM CDTAreal Flood WarningJSJ3 hr
May 14, 5:34 PM CDTSpecial Marine WarningJSJ116 min
May 14, 6:30 PM CDTSpecial Marine WarningJSJ2 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011Every 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.