Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 39, NWS JSJ

October 26, 2012

NWS JSJ issued this flash flood warning at Oct 26, 2012, 5:08 PM CDT. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 26, 2012, 5:08 PM CDT (22:08 UTC)
Expired
Oct 26, 2012, 8:00 PM CDT
In force
3 hr
Issued by
NWS JSJ
Area
Storm-based polygon
Flood severity
None

The radar

The San Juan radar (TJUA), 7 km from the middle of the area, began a volume at 22:11 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.

What was reported inside it

TimeReportWhereRemark
Oct 26, 5:10 PM CDTFLOODCaguas, PRROADS PR-765 AND PR-763 FLOODED IN BO MACANEA AND ANOTHER SECTION IMPASSABLE DUE TO LANDSLIDE. SECTION OF ROAD PR-765 BELOW HIGHWAY 52 FLOODED AS WELL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The text

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

716 
WGCA52 TJSJ 262208
FFWSJU
PRC025-035-041-270100-
/O.NEW.TJSJ.FF.W.0039.121026T2208Z-121027T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
608 PM AST FRI OCT 26 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     CAYEY
     CIDRA

* THIS WARNING INCLUDES ALL RIVERS...STREAMS AND TRIBUTARIES WITHIN 
THE WARNED AREA. 

* UNTIL 900 PM AST

* AT 603 PM AST...DOPPLER WEATHER RADAR INDICATED SHOWERS AND 
ISOLATED THUNDERSTORMS WITH TORRENTIAL RAINFALL AFFECTING PARTS OF 
THESE MUNICIPALITIES. RADAR ESTIMATES INDICATE THAT 2 TO LOCALLY 3 
INCHES OF RAIN HAVE ALREADY FALLEN...ESPECIALLY OVER CAYEY AND 
CAGUAS AND IT CONTINUED TO RAIN. ADDITIONAL RAINFALL OF 1 TO 2 
INCHES IS EXPECTED. FLASH FLOODING IS LIKELY...ESPECIALLY ALONG RIO 
CAGUITAS IN CAGUAS

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. TURN AROUND...DONT DROWN.

&&

LAT...LON 1821 6618 1819 6613 1828 6603 1819 6602
      1813 6606 1812 6609 1812 6610 1808 6615

$$

BCS

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
Oct 25, 8:47 PM CDTAreal Flood AdvisoryJSJ118 min
Oct 25, 10:46 PM CDTAreal Flood AdvisoryJSJ119 min
Oct 26, 12:36 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 12:54 AM CDTAreal Flood AdvisoryJSJ2 hr
Oct 26, 2:42 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 4:14 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 4:14 AM CDTFlash Flood WarningJSJ3 hr
Oct 26, 4:34 AM CDTFlash Flood WatchJSJ9 hr
Oct 26, 4:39 AM CDTFlash Flood WarningJSJ111 min
Oct 26, 5:24 AM CDTFlash Flood WarningJSJ5 hr
Oct 26, 5:46 AM CDTAreal Flood AdvisoryJSJ119 min
Oct 26, 5:58 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 6:26 AM CDTAreal Flood WarningJSJ8 hr
Oct 26, 6:32 AM CDTFlash Flood WarningJSJ118 min
Oct 26, 6:58 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 7:50 AM CDTAreal Flood AdvisoryJSJ115 min
Oct 26, 8:02 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 8:34 AM CDTAreal Flood WarningJSJ4 hr
Oct 26, 8:54 AM CDTAreal Flood AdvisoryJSJ3 hr
Oct 26, 10:12 AM CDTAreal Flood WarningJSJ4 hr
Oct 26, 10:57 AM CDTAreal Flood WarningJSJ12 hr
Oct 26, 10:57 AM CDTAreal Flood AdvisoryJSJ2 hr
Oct 26, 12:26 PM CDTAreal Flood WarningJSJ8 hr
Oct 26, 3:58 PM CDTAreal Flood AdvisoryJSJ4 hr
Oct 26, 5:33 PM CDTAreal Flood AdvisoryJSJ3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2012Every flash flood warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; radar from the NEXRAD Level II archive.