Alert archive / Puerto Rico / Flash Flood Warnings in 2004

Flash Flood Warning 34, NWS JSJ

May 20, 2004

NWS JSJ issued this flash flood warning at May 20, 2004, 1:40 PM CDT. It was in force for 22 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: May 20, 2004, 1:40 PM CDT (18:40 UTC)
Expired: May 21, 2004, 11:30 AM CDT
In force: 22 hr
Issued by: NWS JSJ
Area: Counties, with a storm outline in the text

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGCA52 TJSJ 201841
FFWSJU
PRC067-125-210030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
240 PM AST THU MAY 20 2004

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* A FLASH FLOOD WARNING FOR THE FOLLOWING MUNICIPALITIES
  IN PUERTO RICO
     HORMIGUEROS
     SAN GERMAN

* UNTIL 830 PM AST

* AT 230 PM AST NWS DOPPLER RADAR CONTINUED TO SHOW STEADY MODERATE 
TO HEAVY RAIN OVER MOST SOUTHWEST SECTIONS OF PUERTO RICO. RADAR 
RAINFALL TOTALS WERE UP TO 5 INCHES OVER SAN GERMAN. ALTHOUGH 
RAINFALL WILL DIMINISH THROUGH 5 PM...THE FLOOD HAZARD WILL CONTINUE 
FOR SEVERAL HOURS BEYOND THAT TIME.

THIS WARNING INCLUDES RIO GUANAJIBO AND ALL OF ITS TRIBUTARIES IN 
THE WARNED AREA. MODELS ARE SUGGESTING THIS RIVER WILL PEAK BETWEEN 
5 AND 8 PM IN HORMIGUEROS.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS
BEEN REPORTED. EVACUATE TO HIGHER GROUND AND TAKE THE NECESSARY
PRECAUTIONS SHOULD FLOOD WATERS AFFECT YOUR AREA. MOTORISTS AND
PEDESTRIANS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS AND AREAS...AS
YOU AND YOUR VEHICLE MIGHT BE SWEPT AWAY BY FLOOD WATERS. PERSONS IN
LOW LYING AREAS SHOULD SEEK HIGHER GROUND. FOLLOW INSTRUCTIONS FROM
LOCAL CIVIL DEFENSE OR LAW OFFICIALS.

LAT...LON 1814 6701 1808 6701 1807 6700 1812 6717
          1815 6716 1815 6703

$$

EM

2 follow-up statements

000 
WGCA72 TJSJ 202150
FFSSJU
PRC067-125-210030-

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
550 PM AST THU MAY 20 2004

...FLASH FLOODING CONTINUES...

THE FLASH FLOOD WARNING ISSUED EARLIER BY THE NATIONAL WEATHER 
SERVICE IN SAN JUAN REMAINS IN EFFECT UNTIL 830 PM THIS EVENING FOR 
THE FOLLOWING MUNICIPALITIES

IN PUERTO RICO
     HORMIGUEROS AND SAN GERMAN

AT 545 PM AST DOPPLER RADAR INDICATED THAT RAIN CONTINUES ACROSS 
THIS AREA. EMERGENCY MANAGEMENT REPORTED AN INCIDENT OF THE RIO 
GUANAJIBO FLOODING ACROSS ROAD 114 IN SAN GERMAN. IN ADDITION...A 
MUDSLIDE WAS REPORTED EARLIER IN SECTOR HOYO IN SAN GERMAN.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR HAS
BEEN REPORTED. EVACUATE TO HIGHER GROUND AND TAKE THE NECESSARY
PRECAUTIONS SHOULD FLOOD WATERS AFFECT YOUR AREA.

MOTORISTS AND PEDESTRIANS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS
AND AREAS...AS YOU AND YOUR VEHICLE MIGHT BE SWEPT AWAY BY FLOOD
WATERS. PERSONS IN LOW LYING AREAS SHOULD SEEK HIGHER GROUND. FOLLOW
INSTRUCTIONS FROM LOCAL CIVIL DEFENSE OR LAW OFFICIALS. THE HEAVY
RAIN COULD ALSO CAUSE MUDSLIDES IN AREAS OF STEEP TERRAIN.

$$

000 
WGCA72 TJSJ 210027
FFSSJU
PRC067-125-210215-

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
826 PM AST THU MAY 20 2004

THE FLASH FLOOD WARNING ISSUED EARLIER BY THE NATIONAL WEATHER
SERVICE IN SAN JUAN HAS BEEN DISCONTINUED FOR THE FOLLOWING
MUNICIPALITIES

IN PUERTO RICO
     HORMIGUEROS AND SAN GERMAN

AT 820 PM AST WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE HEAVY 
RAIN WHICH AFFECTED THIS AREA EARLIER HAS MOVED AWAY.

THEREFORE FLASH FLOODING NO LONGER EXISTS AND THE FLASH FLOOD WARNING
HAS BEEN DISCONTINUED.

HOWEVER...THE RIO GUANAJIBO WILL CONTINUE TO BE WELL ABOVE ITS 
NORMAL LEVEL AND ADDITIONAL RAIN SHOWERS MAY OCCUR LATER THIS 
EVENING AND TONIGHT. THEREFORE...A FLOOD WATCH WILL BE ISSUED FOR 
PEOPLE ALONG THE RIO GUANAJIBO IN THESE MUNICIPALITIES.

$$

Nearby

Flash Flood Warnings in Puerto Rico, 2004 Every flash flood warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.