Alert archive / Puerto Rico / Flash Flood Warnings in 2004

Flash Flood Warning 64, NWS JSJ

September 30, 2004

NWS JSJ issued this flash flood warning at Sep 30, 2004, 12:45 PM CDT. It was in force for 19 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: Sep 30, 2004, 12:45 PM CDT (17:45 UTC)
Expired: Oct 1, 2004, 7:45 AM CDT
In force: 19 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 301754 CCA
FFWSJU
PRC127-302045-

BULLETIN - EAS ACTIVATION REQUESTED...CORRECTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
145 PM AST THU SEP 30 2004

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* A FLASH FLOOD WARNING FOR THE FOLLOWING MUNICIPALITY
  IN PUERTO RICO
  
   SAN JUAN

* UNTIL 445 PM AST

* AT 131 PM AST THE PUBLIC REPORTED FLASH FLOODING OVER PORTIONS OF  
  HATO REY AND RIO PIEDRAS. LATEST SATELLITE IMAGES INDICATED        
  SHOWERS AND ISOLATED THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER   
  THE MUNICIPALITY OF SAN JUAN. RAIN GAGES INDICATED UP TO 2 INCHES  
  OF RAIN IN THIS MUNICIPALITY AND RAINFALL WILL CONTINUE FOR AROUND 
  ONE MORE HOUR. THIS WILL LIKELY RESULT IN FLASH FLOODING IN THIS   
  MUNICIPALITY.

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 1846 6605 1840 6603 1835 6607 1848 6609

$$

EM

1 follow-up statement

000 
WGCA72 TJSJ 301927
FFSSJU
PRC127-302025-

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
327 PM AST THU SEP 30 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT UNTIL 445 PM FOR THE   
   MUNICIPALITY OF SAN JUAN HAS BEEN CANCELLED...

AT 322 PM...SATELLITE IMAGES AND SPOTTER REPORTS INDICATED THAT THE 
SHOWERS AND THUNDERSTORMS THAT WERE AFFECTING THE SAN JUAN 
METROPOLITAN AREA EARLIER THIS AFTERNOON HAD DIMINISHED IN INTENSITY 
OR MOVED AWAY FROM THE AREA. IN ADDITION...U.S.G.S. RIVER GAUGES 
INDICATED THAT THE RIO PIEDRAS HAD ALREADY CRESTED AND WAS FALLING 
STEADILY. ALTHOUGH A SCATTERED SHOWER OR THUNDERSTORM IS STILL 
POSSIBLE ACROSS THE FORMER WARNING AREA THROUGH EARLY THIS 
EVENING...NO ADDITIONAL PERSISTENT HEAVY RAINFALL OR FLASH FLOODING 
IS EXPECTED. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED. 

HOWEVER...AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT 
UNTIL 530 PM FOR SEVERAL MUNICIPALITIES IN AND ADJACENT TO THE SAN 
JUAN METRO AREA...AS ADDITIONAL SHOWERS AND THUNDERSTORMS MAY 
DEVELOP AND MOVE ACROSS THESE AREAS.  

$$

SEELEY

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.