Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 70, NWS JSJ

July 3, 2011

NWS JSJ issued this flash flood warning at Jul 3, 2011, 3:09 PM CDT. It was in force for 3 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: Jul 3, 2011, 3:09 PM CDT (20:09 UTC)
Expired: Jul 3, 2011, 6:00 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 13 km from the middle of the area, began a volume at 20:13 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.

968 
WGCA52 TJSJ 032009
FFWSJU
PRC015-057-095-109-123-151-032300-
/O.NEW.TJSJ.FF.W.0070.110703T2009Z-110703T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
409 PM AST SUN JUL 3 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     ARROYO
     PATILLAS
     MAUNABO
     GUAYAMA
     SALINAS
     YABUCOA

* UNTIL 700 PM AST

* AT 403 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LINE OF SHOWERS AND THUNDERSTORMS ALONG THE MUNICIPALITIES OF SOUTH 
AND SOUTHEAST PUERTO RICO MOVING RAPIDLY NORTHWEST. THESE SHOWERS 
AND THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY 
RAINFALL ACCUMULATIONS AND FLASH FLOODING. 

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 1795 6636 1806 6624 1803 6612 1809 6609
      1805 6582 1801 6583 1791 6612

$$

RM

1 follow-up statement

905 
WGCA72 TJSJ 032301
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
701 PM AST SUN JUL 3 2011

PRC015-057-095-109-123-151-032304-
/O.EXP.TJSJ.FF.W.0070.000000T0000Z-110703T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ARROYO PR-PATILLAS PR-MAUNABO PR-GUAYAMA PR-SALINAS PR-YABUCOA PR-
701 PM AST SUN JUL 3 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 700 PM AST FOR YABUCOA...
SALINAS...GUAYAMA...MAUNABO...PATILLAS AND ARROYO MUNICIPALITIES...

THE HEAVIEST RAINFALL HAS MOVED OUT OF THE AREA...HOWEVER...SHOWERS 
AND THUNDERSTORM CONTINUE TO MOVE ACROSS THE CARIBBEAN COASTAL 
WATERS. 

THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 700 
PM...HOWEVER SHOULD CONDITIONS WARRANT THE WARNING MAY BE REISSUED 
AT ANY TIME. 

LAT...LON 1795 6636 1806 6624 1803 6612 1809 6609
      1805 6582 1801 6583 1791 6612

$$

07

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
Jul 3, 8:26 AM CDT	Flash Flood Watch	JSJ	19 hr
Jul 3, 8:41 AM CDT	Areal Flood Advisory	JSJ	5 hr
Jul 3, 9:27 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 3, 9:36 AM CDT	Special Marine Warning	JSJ	114 min
Jul 3, 10:34 AM CDT	Special Marine Warning	JSJ	116 min
Jul 3, 11:36 AM CDT	Special Marine Warning	JSJ	114 min
Jul 3, 11:42 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 3, 12:04 PM CDT	Areal Flood Advisory	JSJ	2 hr
Jul 3, 12:35 PM CDT	Special Marine Warning	JSJ	115 min
Jul 3, 1:35 PM CDT	Special Marine Warning	JSJ	115 min
Jul 3, 1:51 PM CDT	Special Marine Warning	JSJ	114 min
Jul 3, 3:16 PM CDT	Flash Flood Warning	JSJ	3 hr
Jul 3, 4:10 PM CDT	Areal Flood Advisory	JSJ	3 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.