Flash Flood Warning 31, NWS JSJ

Issued

Apr 24, 2007, 8:03 PM CDT (01:03 UTC)

Expired

Oct 27, 2007, 10:15 PM CDT

In force

186 days

Issued by

NWS JSJ

Area

Counties, with a storm outline in the text

Flood severity

None

The San Juan radar (TJUA), 26 km from the middle of the area, began a volume at 01:05 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.

000 
WGCA52 TJSJ 250106
FFWSJU
PRC013-065-250500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
903 PM AST TUE APR 24 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  IN PUERTO RICO
     HATILLO
     ARECIBO

* UNTIL 100 AM AST

* AT 858 PM AST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH 
FLOODING FROM WIDESPREAD HEAVY RAINS OVER THE NORTHERN PORTION OF 
THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
CARRIZALES...CORCOVADO...ARECIBO AND HATILLO.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...ROADS
AND LANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE SUBJECT TO FLOODING.

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.

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

LAT...LON 1839 6679 1842 6660 1849 6661 1849 6682

$$

SNELL

000 
WGCA52 TJSJ 280023
FFWSJU
PRC139-280315-
/O.NEW.TJSJ.FF.W.0031.071028T0020Z-071028T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
820 PM AST SAT OCT 27 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITY

  IN PUERTO RICO
     TRUJILLO ALTO

* UNTIL 1115 PM AST

* AT 812 PM AST...FLASH FLOODING WAS REPORTED FROM LAGO LOIZA TO THE 
MUNICIPALITY OF CAROLINA. DOPPLER RADAR ESTIMATED HEAVY RAIN IN THE 
WARNING  AREA. THIS RAIN HAS FALLEN MORE OR LESS CONTINUOUSLY 
UPSTREAM FROM TRUJILLO ALTO IN THE RIO GRANDE DE LOIZA BASIN SINCE 
BEFORE 4 PM AST.

AT THIS TIME THE RIO GRANDE DE LOIZA HAS EXCEEDED FLOOD STAGE OF 22 
FEET WITH A READING OF 24.32. IT IS POSSIBLE THAT A FLOOD GATE HAS 
BEEN OPENED ON THE LAGO LOIZA AND THAT THE RIVER WILL RISE 
CONSIDERABLY MORE.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA. PERSONS ON THE RIO GRANDE DE LOIZA IN TRUJILLO ALTO 
SHOULD MOVE TO HIGHER GROUND.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
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 1831 6603 1838 6600 1836 6598 1834 6597
      1831 6601
TIME...MOT...LOC 0020Z 340DEG 12KT 1834 6601

$$

SNELL

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

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.