Alert archive / Puerto Rico / Flash Flood Warnings in 2012

Flash Flood Warning 6, NWS JSJ

March 27, 2012

NWS JSJ issued this flash flood warning at Mar 27, 2012, 3:17 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: Mar 27, 2012, 3:17 PM CDT (20:17 UTC)
Expired: Mar 27, 2012, 6:15 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 35 km from the middle of the area, began a volume at 20:17 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

Time	Report	Where	Remark
Mar 27, 3:30 PM CDT	FLOOD	Orocovis, PR	WATER FLOODED HOUSE IN ROAD 569 IN OROCOVIS.

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.

009 
WGCA52 TJSJ 272017
FFWSJU
PRC019-047-107-272315-
/O.NEW.TJSJ.FF.W.0006.120327T2017Z-120327T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
417 PM AST TUE MAR 27 2012

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     BARRANQUITAS
     COROZAL
     OROCOVIS

* UNTIL 715 PM AST

* AT 407 PM AST...WEATHER DOPPLER RADAR INDICATED HEAVY SHOWER AND 
THUNDERSTORM ACTIVITY ACROSS THE CENTRAL INTERIOR SECTION OF PUERTO 
RICO. THE HEAVIEST RAIN IS OCCURRING ACROSS THE WARNED AREA... 
SHOWERS WILL CONTINUE TO REDEVELOP OVER THE NEXT COUPLE OF HOURS. 
RESIDENTS IN FLOOD PRONE AREAS SHOULD MOVE TO HIGHER GROUND 
IMMEDIATELY AND NEVER TRY TO CROSS A FLOODED ROADWAY. OVER 3 INCHES 
OF RAIN IS LIKELY THROUGH THIS 7:15 PM 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 1825 6643 1831 6632 1819 6632 1820 6641

$$

EM

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

1 follow-up statement

545 
WGCA72 TJSJ 272315
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
715 PM AST TUE MAR 27 2012

PRC019-047-107-272325-
/O.EXP.TJSJ.FF.W.0006.000000T0000Z-120327T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BARRANQUITAS PR-COROZAL PR-OROCOVIS PR-
715 PM AST TUE MAR 27 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR OROCOVIS...COROZAL AND 
BARRANQUITAS MUNICIPALITIES...RESIDENTS AND MOTORISTS ACROSS THESE 
AREAS SHOULD HOWEVER BE ALERT TO PONDING OF WATER ON ROADWAYS AND 
ALLOW TIME FOR STREAMS...CREEKS AND RIVERS TO RETURN TO NORMAL 
LEVELS.

LAT...LON 1825 6643 1831 6632 1819 6632 1820 6641

$$

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.

Issued	Product	Office	Lasted
Mar 26, 9:35 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 27, 1:25 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 27, 1:49 PM CDT	Areal Flood Advisory	JSJ	2 hr
Mar 27, 2:12 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 27, 2:50 PM CDT	Areal Flood Advisory	JSJ	3 hr
Mar 27, 3:57 PM CDT	Areal Flood Advisory	JSJ	2 hr
Mar 27, 4:00 PM CDT	Areal Flood Advisory	JSJ	2 hr
Mar 27, 4:56 PM CDT	Areal Flood Warning	JSJ	4 hr
Mar 27, 4:57 PM CDT	Areal Flood Warning	JSJ	4 hr
Mar 27, 5:06 PM CDT	Areal Flood Warning	JSJ	12 hr
Mar 27, 6:05 PM CDT	Areal Flood Advisory	JSJ	115 min
Mar 27, 6:12 PM CDT	Areal Flood Advisory	JSJ	108 min

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; local storm reports from the same archive; radar from the NEXRAD Level II archive.