Flash Flood Warning 21, NWS JSJ

Issued

Apr 22, 2007, 11:12 PM CDT (04:12 UTC)

In effect from

Apr 22, 2007, 11:22 PM CDT

Expired

Oct 27, 2007, 1:00 PM CDT

In force

188 days

Issued by

NWS JSJ

Area

Counties, with a storm outline in the text

Flood severity

None

The San Juan radar (TJUA), 127 km from the middle of the area, began a volume at 04:15 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 230422
FFWSJU
PRC051-091-143-145-230630-

HERE 1212 AM AST THERE

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1212 AM AST MON APR 23 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...

  IN PUERTO RICO
     VEGA ALTA
     DORADO
     MANATI
     AND HAVE EXTENDED THE PREVIOUS ONE ISSUED FOR VEGA BAJA

* UNTIL 230 AM AST

* AT 1209 AM AST...REPORTS FROM DORADO AND VEGA BAJA INDICATED 
FLOODING IN THESE MUNICIPALITIES FROM A PERSISTENT AREA OF SHOWERS 
OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VEGA
  BAJA...VEGA ALTA...SAN ANTONIO...MONSERRATE...MANATI...LA LUISA...
  DORADO...COTO NORTE...BRENAS AND BARCELONETA

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER 
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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 1838 6641 1836 6652 1846 6652 1849 6632
      1846 6629 1846 6624 1844 6627 1838 6627
      1833 6635

$$

RIVERA

000 
WGCA52 TJSJ 271516
FFWSJU
VIC020-030-271800-
/O.NEW.TJSJ.FF.W.0021.071027T1506Z-071027T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1106 AM AST SAT OCT 27 2007

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING ISLANDS

  IN THE U.S. VIRGIN ISLANDS
     SAINT JOHN
     SAINT THOMAS

* UNTIL 200 PM AST

* AT 1100 AM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND 
EMERGENCY MANAGEMENT PERSONNEL INDICATED SHOWERS AND ISOLATED 
THUNDERSTORMS WITH VERY HEAVY RAIN MOVING TOWARDS OR ALREADY 
AFFECTING PARTS OF THESE ISLANDS. RAINFALL AMOUNTS OF UP TO AS MUCH 
AS 2 INCHES ARE POSSIBLE IN ISOLATED AREAS THROUGH 200 PM. THIS WILL 
RESULT IN FLASH FLOODING OF URBAN AND LOW LYING AREAS...ROADS...GUTS 
AND STREAMS...AND WILL ONLY AGGRAVATE ONGOING FLOODED AREAS. IN 
ADDITION...MUDSLIDES ARE POSSIBLE OVER AREAS OF STEEP TERRAIN.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND GUTS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

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 1836 6465 1826 6474 1827 6498 1831 6503
      1843 6507 1844 6503 1840 6500 1843 6498
TIME...MOT...LOC 1506Z 180DEG 0KT 1834 6490

$$
RAM

Flash Flood Warnings in Puerto Rico, 2007Flash Flood Warnings in U.S. Virgin Islands, 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.