Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 150, NWS JSJ

November 7, 2011

NWS JSJ issued this flash flood warning at Nov 7, 2011, 3:36 PM CST. 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
Nov 7, 2011, 3:36 PM CST (21:36 UTC)
Expired
Nov 7, 2011, 6:00 PM CST
In force
2 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 16 km from the middle of the area, began a volume at 21:36 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.

844 
WGCA52 TJSJ 072136
FFWSJU
PRC009-041-080000-
/O.NEW.TJSJ.FF.W.0150.111107T2136Z-111108T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
536 PM AST MON NOV 7 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CIDRA
     AIBONITO

* UNTIL 800 PM AST

* AT 532 PM AST...RUNOFF FROM PREVIOUS HEAVY RAINFALL HAS RESULTED 
IN SIGNIFICANT RISES ON RIO LA PLATA AT AIBONITO. THE CURRENT RIVER 
STAGE IS 14.32 FEET AND RAISING. MOTORISTS DRIVING ALONG THE RIO LA 
PLATA AT AIBONITO 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 1815 6619 1814 6621 1815 6621 1812 6622
      1816 6626 1817 6625 1818 6623

$$

OMS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN
1 follow-up statement
334 
WGCA72 TJSJ 072352
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
752 PM AST MON NOV 7 2011

PRC009-041-080001-
/O.EXP.TJSJ.FF.W.0150.000000T0000Z-111108T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CIDRA PR-AIBONITO PR-
752 PM AST MON NOV 7 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM AST FOR AIBONITO AND
CIDRA MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. RESIDENTS AND MOTORISTS ACROSS THESE 
AREAS SHOULD HOWEVER BE ALERT TO PONDING OF WATER ON ROADWAYS AND 
ALLOW TIME FOR STREAMS AND CREEKS TO RETURN TO NORMAL LEVELS.
 
 

LAT...LON 1815 6619 1814 6621 1815 6621 1812 6622
      1816 6626 1817 6625 1818 6623

$$

OMS

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
Nov 6, 9:19 PM CSTHigh Surf AdvisoryJSJ47 hr
Nov 7, 8:57 AM CSTCoastal Flood AdvisoryJSJ11 hr
Nov 7, 10:59 AM CSTAreal Flood AdvisoryJSJ4 hr
Nov 7, 11:40 AM CSTAreal Flood AdvisoryJSJ3 hr
Nov 7, 11:48 AM CSTAreal Flood AdvisoryJSJ3 hr
Nov 7, 11:51 AM CSTAreal Flood AdvisoryJSJ5 hr
Nov 7, 1:10 PM CSTAreal Flood AdvisoryJSJ3 hr
Nov 7, 5:10 PM CSTAreal Flood WarningJSJ3 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.