Alert archive / Puerto Rico / Flash Flood Warnings in 2007

Flash Flood Warning 57, NWS JSJ

September 11, 2007

NWS JSJ issued this flash flood warning at Sep 11, 2007, 4:07 PM CDT. It was in force for 91 days. 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: Sep 11, 2007, 4:07 PM CDT (21:07 UTC)
Expired: Dec 11, 2007, 1:00 PM CST
In force: 91 days
Issued by: NWS JSJ
Area: Counties, with a storm outline in the text
Flood severity: None

The radar

The San Juan radar (TJUA), 48 km from the middle of the area, began a volume at 21:07 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
Sep 22, 9:35 PM CDT	HEAVY RAIN 0	Juana Diaz, PR	HEAVY RAINS ACROSS BARRIO PIEDRA GUZA CAUSED URBAN AND STREET FLOODING DUE TO POOR DRAINAGE AREAS WHERE THE FLOW OF THE RAINFALL WAS BLOCKED.

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.

000 
WGCA52 TJSJ 112107
FFWSJU
PRC065-112200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
507 PM AST TUE SEP 11 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     HATILLO

* UNTIL 600 PM AST

* AT 500 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAIN FALLING ACROSS THE NORTHERN HALF OF THE MUNICIPALITY 
OF HATILLO. UP TO THREE INCHES OF RAIN HAS FALLEN OVER THIS AREA 
TODAY...AND AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL IS POSSIBLE 
BEFORE 6 PM. FOR THIS REASON...A FLASH FLOOD WARNING HAS BEEN ISSUED 
FOR THE MUNICIPALITY OF HATILLO.

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 1847 6677 1836 6678 1836 6681 1848 6684

$$

SR

1 follow-up statement

000 
WGCA52 TJSJ 111502
FFWSJU
PRC043-075-113-133-149-111900-
/O.NEW.TJSJ.FF.W.0057.071211T1456Z-071211T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1056 AM AST TUE DEC 11 2007

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
     SANTA ISABEL

* UNTIL 300 PM AST

* AT 1049 AM AST...USGS RIVER SENSOR INDICATES THAT THE RIO JACAGUAS 
IS NEAR ITS FLOOD STAGE AND WILL FLOOD WITH ANY ADDITIONAL RAINFALL 
OVER THE NEXT FEW HOURS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
VILLALBA...JUANA DIAZ AND TOA VACA.

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.

THERE IS ALSO A POTENTIAL FOR MUDSLIDES IN THIS PARTICULAR WARNED 
AREA.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 1799 6662 1817 6661 1817 6658 1814 6655
      1814 6653 1818 6650 1817 6636 1798 6642
TIME...MOT...LOC 1456Z 180DEG 0KT 1809 6651

$$

AAS

Nearby

Flash Flood Warnings in Puerto Rico, 2007 Every flash flood warning in 2007

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.