Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 141, NWS JSJ

September 14, 2011

NWS JSJ issued this flash flood warning at Sep 14, 2011, 10:11 AM CDT. It was in force for 116 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: Sep 14, 2011, 10:11 AM CDT (15:11 UTC)
Expired: Sep 14, 2011, 12:07 PM CDT
In force: 116 min
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 50 km from the middle of the area, began a volume at 15:14 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.

006 
WGCA52 TJSJ 141511
FFWSJU
PRC043-075-111-113-123-133-149-141800-
/O.NEW.TJSJ.FF.W.0141.110914T1511Z-110914T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1111 AM AST WED SEP 14 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     COAMO
     VILLALBA
     JUANA DIAZ
     PONCE
     SALINAS
     SANTA ISABEL
     PENUELAS

* UNTIL 200 PM AST

* AT 1105 AM AST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS 
WITH AREAS OF VERY HEAVY RAIN MOVING ACROSS THESE MUNICIPALITIES OF 
PUERTO RICO. EXCESSIVE RUNOFF FROM THIS RAINFALL...ON ALREADY 
SATURATED SOILS AND SWOLLEN RIVERS...WILL CAUSE ANOTHER ROUND OF 
FLOODING ON THE LOCAL CREEKS...STREAMS AND RIVERS ACROSS THESE 
MUNICIPALITIES. IN ADDITION...MUDSLIDES AND DEBRIS FLOW CAN BE 
EXPECTED IN AREAS OF STEEP TERRAIN.  

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 1794 6668 1811 6672 1811 6633 1794 6627

$$

FIGUEROA

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

1 follow-up statement

011 
WGCA72 TJSJ 141707
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
107 PM AST WED SEP 14 2011

PRC043-075-111-113-123-133-149-141715-
/O.CAN.TJSJ.FF.W.0141.000000T0000Z-110914T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COAMO PR-VILLALBA PR-JUANA DIAZ PR-PONCE PR-SALINAS PR-
SANTA ISABEL PR-PENUELAS PR-
107 PM AST WED SEP 14 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR PENUELAS...SANTA
ISABEL...SALINAS...PONCE...JUANA DIAZ...VILLALBA AND COAMO
MUNICIPALITIES...

DOPPLER RADAR INDICATED THAT THE HEAVY RAIN WHICH AFFECTED THIS AREA 
HAD DISSIPATED OR MOVED AWAY. NO SIGNIFICANT ADDITIONAL RAINFALL IS 
EXPECTED ACROSS THESE AREAS AT THIS TIME. ALSO...RIVERS ACROSS THOSE 
MUNICIPALITIES ARE NOW BELOW FLOOD STAGE. THEREFORE...THE FLASH 
FLOOD WARNING FOR THESE AREAS WILL BE ALLOWED TO EXPIRE.

LAT...LON 1794 6668 1811 6672 1811 6633 1794 6627

$$

FIGUEROA

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 14, 6:52 AM CDT	Areal Flood Advisory	JSJ	6 hr
Sep 14, 7:42 AM CDT	Areal Flood Advisory	JSJ	5 hr
Sep 14, 8:33 AM CDT	Areal Flood Advisory	JSJ	3 hr
Sep 14, 9:54 AM CDT	Areal Flood Warning	JSJ	2 hr
Sep 14, 9:55 AM CDT	Flash Flood Warning	JSJ	6 hr
Sep 14, 10:09 AM CDT	Areal Flood Advisory	JSJ	96 min
Sep 14, 10:20 AM CDT	Areal Flood Advisory	JSJ	3 hr
Sep 14, 3:39 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.