Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 131, NWS JSJ

September 13, 2011

NWS JSJ issued this flash flood warning at Sep 13, 2011, 12:11 AM CDT. It was in force for 9 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: Sep 13, 2011, 12:11 AM CDT (05:11 UTC)
Expired: Sep 13, 2011, 9:07 AM CDT
In force: 9 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 19 km from the middle of the area, began a volume at 05:14 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.

733 
WGCA52 TJSJ 130511
FFWSJU
PRC095-109-151-131115-
/O.NEW.TJSJ.FF.W.0131.110913T0511Z-110913T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
111 AM AST TUE SEP 13 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MAUNABO
     PATILLAS
     YABUCOA

* UNTIL 715 AM AST

* AT 105 AM AST...RIVER GAGES ACROSS SOUTHEAST PUERTO RICO CONTINUE  
  TO INDICATE THE GUAYANES RIVER IN YABUCOA STILL OUT OF ITS BANKS.  
  WATERS WILL BE SLOW TO RECEDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 1806 6602 1809 6599 1809 6594 1812 6592
      1812 6588 1811 6587 1812 6585 1809 6584
      1807 6579 1805 6582 1801 6583 1796 6596

$$

ROSA

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

2 follow-up statements

843 
WGCA52 TJSJ 131056
FFWSJU
PRC095-109-151-131415-
/O.EXT.TJSJ.FF.W.0131.000000T0000Z-110913T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
656 AM AST TUE SEP 13 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     PATILLAS
     MAUNABO
     YABUCOA

* UNTIL 1015 AM AST

* AT 646 AM AST...DOPPLER RADAR INDICATED PERSISTENT HEAVY RAIN 
ACROSS PATILLAS...MAUNABO AND YABUCOA IN THE LAST HOUR. THIS WILL 
CAUSE ADDITIONAL FLASH FLOODING ALONG RIO MARIN...RIO GUAYANES AND 
ITS TRIBUTARIES IN THE NEXT FEW HOURS. RESIDENTS IN FLOOD PRONE 
AREAS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY AND NEVER TRY TO 
CROSS A FLOODED ROADWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

&&

LAT...LON 1806 6602 1809 6599 1809 6594 1812 6592
      1812 6588 1811 6587 1812 6585 1809 6584
      1807 6579 1805 6582 1801 6583 1796 6596

$$

ER

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

308 
WGCA72 TJSJ 131407
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
1007 AM AST TUE SEP 13 2011

PRC095-109-151-131410-
/O.CAN.TJSJ.FF.W.0131.000000T0000Z-110913T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PATILLAS PR-MAUNABO PR-YABUCOA PR-
1007 AM AST TUE SEP 13 2011

...THE FLASH FLOOD WARNING HAS BEEN REPLACED BY AN AREAL FLOOD 
ADVISORY FOR YABUCOA...MAUNABO AND PATILLAS MUNICIPALITIES...

LAT...LON 1806 6602 1809 6599 1809 6594 1812 6592
      1812 6588 1811 6587 1812 6585 1809 6584
      1807 6579 1805 6582 1801 6583 1796 6596

$$

AAS

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
Sep 12, 7:14 PM CDT	Flash Flood Warning	JSJ	5 hr
Sep 12, 8:58 PM CDT	Areal Flood Advisory	JSJ	93 min
Sep 12, 10:18 PM CDT	Flash Flood Warning	JSJ	3 hr
Sep 12, 11:43 PM CDT	Areal Flood Advisory	JSJ	2 hr
Sep 13, 12:24 AM CDT	Flash Flood Warning	JSJ	19 hr
Sep 13, 2:33 AM CDT	Flash Flood Warning	JSJ	6 hr
Sep 13, 3:39 AM CDT	Special Marine Warning	JSJ	66 min
Sep 13, 3:48 AM CDT	Tornado Warning	JSJ	27 min
Sep 13, 4:25 AM CDT	Areal Flood Advisory	JSJ	2 hr
Sep 13, 4:42 AM CDT	Special Marine Warning	JSJ	2 hr
Sep 13, 5:35 AM CDT	Areal Flood Advisory	JSJ	78 min
Sep 13, 6:24 AM CDT	Areal Flood Advisory	JSJ	3 hr
Sep 13, 6:46 AM CDT	Flash Flood Warning	JSJ	3 hr
Sep 13, 7:01 AM CDT	Areal Flood Advisory	JSJ	3 hr
Sep 13, 7:13 AM CDT	Areal Flood Advisory	JSJ	6 hr
Sep 13, 8:23 AM CDT	Flash Flood Warning	JSJ	3 hr
Sep 13, 8:39 AM CDT	Flash Flood Warning	JSJ	3 hr
Sep 13, 9:02 AM CDT	Areal Flood Advisory	JSJ	3 hr
Sep 13, 9:39 AM CDT	Areal Flood Warning	JSJ	10 hr
Sep 13, 9:48 AM CDT	Flash Flood Warning	JSJ	3 hr
Sep 13, 10:01 AM CDT	Areal Flood Warning	JSJ	20 hr
Sep 13, 10:06 AM CDT	Areal Flood Advisory	JSJ	2 hr
Sep 13, 10:59 AM CDT	Areal Flood Warning	JSJ	7 hr
Sep 13, 11:02 AM CDT	Flash Flood Warning	JSJ	5 hr
Sep 13, 11:19 AM CDT	Areal Flood Warning	JSJ	6 hr
Sep 13, 11:47 AM CDT	Flash Flood Warning	JSJ	5 hr
Sep 13, 12:18 PM CDT	Areal Flood Warning	JSJ	6 hr
Sep 13, 12:58 PM CDT	Areal Flood Warning	JSJ	13 hr
Sep 13, 4:07 PM CDT	Areal Flood Warning	JSJ	6 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2011 Every 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.