Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 38, NWS JSJ

October 26, 2012

NWS JSJ issued this flash flood warning at Oct 26, 2012, 6:32 AM CDT. It was in force for 118 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, 6:32 AM CDT (11:32 UTC)
Expired: Oct 26, 2012, 8:30 AM CDT
In force: 118 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 11:33 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.

518 
WGCA52 TJSJ 261132
FFWSJU
PRC037-053-089-103-119-261330-
/O.NEW.TJSJ.FF.W.0038.121026T1132Z-121026T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
732 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
     NAGUABO
     FAJARDO
     LUQUILLO
     RIO GRANDE

* UNTIL 930 AM AST

* AT 724 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
RAINFALL CONTINUING...ON AND OFF...THROUGHOUT THE MORNING. THE 
FAJARDO RIVER EXCEEDED FLOOD STAG...BASED ON USGS GAGE...DURING THE 
PAST HOUR AND CONTINUE TO OVERFLOW ITS BANKS...THEREFORE A FLASH 
FLOOD WARNING REMAINS IN EFFECT AT LEAST THROUGH 930 AM AST. 

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.

&&

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

$$

AAS

ADDITIONAL INFORMATION CAN BE FOUND AT /USE LOWER CASE LETTERS/:
     HTTP://WWW.WEATHER.GOV/SANJUAN

1 follow-up statement

507 
WGCA72 TJSJ 261323
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
923 AM AST FRI OCT 26 2012

PRC037-053-089-103-119-261333-
/O.EXP.TJSJ.FF.W.0038.000000T0000Z-121026T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEIBA PR-NAGUABO PR-FAJARDO PR-LUQUILLO PR-RIO GRANDE PR-
923 AM AST FRI OCT 26 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 930 AM AST FOR RIO
GRANDE...LUQUILLO...FAJARDO...NAGUABO AND CEIBA MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED. NO SIGNIFICANT HEAVY RAINFALL IS EXPECTED ACROSS 
THESE AREAS AT THIS TIME.

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

$$

ER

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, 4:39 AM CDT	Flash Flood Warning	JSJ	111 min
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, 6:58 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.