Alert archive / Puerto Rico / Flash Flood Warnings in 2011

Flash Flood Warning 69, NWS JSJ

July 1, 2011

NWS JSJ issued this flash flood warning at Jul 1, 2011, 3:19 PM 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: Jul 1, 2011, 3:19 PM CDT (20:19 UTC)
Expired: Jul 1, 2011, 5:15 PM CDT
In force: 116 min
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The radar

The San Juan radar (TJUA), 27 km from the middle of the area, began a volume at 20:20 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.

547 
WGCA52 TJSJ 012019
FFWSJU
PRC015-025-029-037-057-063-069-077-085-095-103-109-129-147-151-
012215-
/O.NEW.TJSJ.FF.W.0069.110701T2019Z-110701T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
419 PM AST FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     CAGUAS
     JUNCOS
     GURABO
     SAN LORENZO
     LAS PIEDRAS
     ARROYO
     PATILLAS
     MAUNABO
     NAGUABO
     CEIBA
     CANOVANAS
     GUAYAMA
     HUMACAO
     YABUCOA
     VIEQUES

* UNTIL 615 PM AST

* AT 410 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
AN AREA OF SHOWERS AND STRONG THUNDERSTORMS MOVING RAPIDLY NORTHWEST 
AND JUST MOVING OVER THE SOUTHEASTERN MUNICIPALITIES OF PUERTO RICO 
COAST LINE. AS IT MOVES INLAND HEAVY DOWNPOURS WILL BE EXPECTED. 
 

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 1796 6618 1828 6595 1824 6554 1809 6557
      1810 6563 1816 6559 1814 6570 1800 6579
      1793 6589 1790 6606

$$

RM

1 follow-up statement

153 
WGCA72 TJSJ 012212
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
612 PM AST FRI JUL 1 2011

PRC015-025-029-037-057-063-069-077-085-095-103-109-129-147-151-
012215-
/O.EXP.TJSJ.FF.W.0069.000000T0000Z-110701T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAGUAS PR-JUNCOS PR-GURABO PR-SAN LORENZO PR-LAS PIEDRAS PR-ARROYO 
PR-PATILLAS PR-MAUNABO PR-NAGUABO PR-CEIBA PR-CANOVANAS PR-GUAYAMA 
PR-HUMACAO PR-YABUCOA PR-VIEQUES PR-
612 PM AST FRI JUL 1 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 615 PM AST FOR VIEQUES...
YABUCOA...HUMACAO...GUAYAMA...CANOVANAS...CEIBA...NAGUABO...
MAUNABO...PATILLAS...ARROYO...LAS PIEDRAS...SAN LORENZO...GURABO...
JUNCOS AND CAGUAS MUNICIPALITIES...

DOPPLER RADAR INDICATED THE HEAVY RAINS HAVE MOVED AWAY FROM THE 
WARNED AREA...AND MOSTLY LIGHT RAIN REMAINS. BOTH RIVER GUAYANES IN 
YABUCOA AND RIVER MARIN NEAR PATILLAS REMAIN ABOVE FLOOD STAGE.   

LAT...LON 1796 6618 1828 6595 1824 6554 1809 6557
      1810 6563 1816 6559 1814 6570 1800 6579
      1793 6589 1790 6606

$$

RM

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jul 1, 9:13 AM CDT	Small Craft Advisory	JSJ	32 hr
Jul 1, 9:38 AM CDT	Special Marine Warning	JSJ	37 min
Jul 1, 10:01 AM CDT	Special Marine Warning	JSJ	44 min
Jul 1, 11:31 AM CDT	Special Marine Warning	JSJ	44 min
Jul 1, 11:59 AM CDT	Special Marine Warning	JSJ	61 min
Jul 1, 12:40 PM CDT	Special Marine Warning	JSJ	95 min
Jul 1, 12:50 PM CDT	Special Marine Warning	JSJ	55 min
Jul 1, 1:05 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 1, 1:35 PM CDT	Areal Flood Warning	JSJ	6 hr
Jul 1, 2:11 PM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 1, 2:26 PM CDT	Flash Flood Watch	JSJ	36 hr
Jul 1, 2:36 PM CDT	Special Marine Warning	JSJ	54 min
Jul 1, 3:15 PM CDT	Severe Thunderstorm Warning	JSJ	45 days
Jul 1, 3:23 PM CDT	Severe Thunderstorm Warning	JSJ	45 days
Jul 1, 3:38 PM CDT	Special Marine Warning	JSJ	82 min
Jul 1, 5:27 PM CDT	Areal Flood Warning	JSJ	3 hr
Jul 1, 5:35 PM CDT	Special Marine Warning	JSJ	115 min

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.