Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 36, NWS JSJ

October 26, 2012

NWS JSJ issued this flash flood warning at Oct 26, 2012, 4:39 AM CDT. It was in force for 111 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: Oct 26, 2012, 4:39 AM CDT (09:39 UTC)
Expired: Oct 26, 2012, 6:30 AM CDT
In force: 111 min
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 45 km from the middle of the area, began a volume at 09:41 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.

414 
WGCA52 TJSJ 260939
FFWSJU
PRC037-053-089-261130-
/O.NEW.TJSJ.FF.W.0036.121026T0939Z-121026T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
539 AM 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
     CEIBA
     FAJARDO
     LUQUILLO

* UNTIL 730 AM AST

* AT 532 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ANOTHER BURST OF HEAVY RAIN WAS APPROACHING THE SOUTHEASTERN       
  SLOPES OF THE LUQUILLO RANGE. THIS IS EXPECTED TO SEND THE FAJARDO 
  RIVER ABOVE ITS FLOOD STAGE OF 8 FEET BY 7 AM AST.  

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 1833 6563 1824 6565 1825 6568 1826 6570
      1825 6573 1828 6577 1832 6574

$$

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
Oct 25, 8:47 PM CDT	Areal Flood Advisory	JSJ	118 min
Oct 25, 10:46 PM CDT	Areal Flood Advisory	JSJ	119 min
Oct 26, 12:36 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 12:54 AM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 26, 2:42 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 4:14 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 4:14 AM CDT	Flash Flood Warning	JSJ	3 hr
Oct 26, 4:34 AM CDT	Flash Flood Watch	JSJ	9 hr
Oct 26, 5:24 AM CDT	Flash Flood Warning	JSJ	5 hr
Oct 26, 5:46 AM CDT	Areal Flood Advisory	JSJ	119 min
Oct 26, 5:58 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 6:26 AM CDT	Areal Flood Warning	JSJ	8 hr
Oct 26, 6:32 AM CDT	Flash Flood Warning	JSJ	118 min
Oct 26, 6:58 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 7:50 AM CDT	Areal Flood Advisory	JSJ	115 min
Oct 26, 8:02 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 8:34 AM CDT	Areal Flood Warning	JSJ	4 hr
Oct 26, 8:54 AM CDT	Areal Flood Advisory	JSJ	3 hr
Oct 26, 10:12 AM CDT	Areal Flood Warning	JSJ	4 hr
Oct 26, 10:57 AM CDT	Areal Flood Warning	JSJ	12 hr
Oct 26, 10:57 AM CDT	Areal Flood Advisory	JSJ	2 hr
Oct 26, 12:26 PM CDT	Areal Flood Warning	JSJ	8 hr
Oct 26, 3:58 PM CDT	Areal Flood Advisory	JSJ	4 hr
Oct 26, 5:08 PM CDT	Flash Flood Warning	JSJ	3 hr
Oct 26, 5:33 PM CDT	Areal Flood Advisory	JSJ	3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2012 Every 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; radar from the NEXRAD Level II archive.