Alert archive / Puerto Rico / Flash Flood Warnings in 2004

Flash Flood Warning 25, NWS JSJ

May 12, 2004

NWS JSJ issued this flash flood warning at May 12, 2004, 4:08 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: May 12, 2004, 4:08 PM CDT (21:08 UTC)
Expired: May 13, 2004, 11:00 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 122107
FFWSJU
PRC007-021-025-029-031-047-051-053-061-063-069-077-085-089-103-119-
127-129-135-137-139-143-145-130000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
508 PM AST WED MAY 12 2004

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED

* A FLASH FLOOD WARNING FOR THE FOLLOWING MUNICIPALITIES
  IN PUERTO RICO
     DORADO
     CANOVANAS
     CAROLINA
     CAGUAS
     COROZAL
     AGUAS BUENAS
     JUNCOS
     GURABO
     LUQUILLO
     NAGUABO
     SAN JUAN
     TOA ALTA
     SAN LORENZO
     TRUJILLO ALTO
     VEGA ALTA
     LAS PIEDRAS
     BAYAMON
     FAJARDO
     HUMACAO
     GUAYNABO
     VEGA BAJA
     RIO GRANDE
     TOA BAJA

* UNTIL 800 PM AST

* AT 500 PM AST...WEATHER SERVICE DOPPLER RADAR INDICATED A STREAM 
OF HEAVY RAIN WITH THUNDERSTORMS CONTINUING OVER THE NORTHEASTERN 
AND NORTH CENTRAL SECTIONS OF PUERTO RICO. MANY OF THE RIVERS ARE 
RUNNING BANKFULL AND A NUMBER ARE IN OR WILL BE IN FLOOD STAGE... 
INCLUDING RIO CIBUCO...RIO PIEDRAS...AND QUEBRADA GRANDE IN TRUJILLO 
ALTO. THE MUNICIPALITIES IN THIS FLASH FLOOD WARNING ARE IN DANGER 
FROM MUDSLIDES...RESIDENTS SHOULD REMAIN VIGILENT FOR RISING 
CREEKS...SLIPPAGE ON THE SIDES OF HILLS AND EXERCISE EXTREME CAUTION 
WHEN CROSSING THROUGH AREAS WHERE THE WATER DEPTH IS UNKNOWN OR 
GREATER THAN TWO FEET.

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 1835 6564 1830 6566 1827 6589 1823 6582
          1821 6570 1816 6572 1813 6592 1806 6598
          1810 6605 1831 6621 1838 6645 1849 6645
          1846 6627 1839 6607 1840 6596

$$

SNELL

1 follow-up statement

000 
WGCA72 TJSJ 122254
FFSSJU
PRC143-122345-

URGENT - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
649 PM AST WED MAY 12 2004

...THE FLASH FLOOD WARNING FOR NORTHEAST...NORTH CENTRAL AND EAST 
CENTRAL PUERTO RICO CONTINUES UNTIL 8 PM AST...

AT 6 45 P M AST PUERTO RICO EMERGENCY MANAGEMENT OFFICIALS REPORTED 
THAT THE RIO CIBUCO HAS FLOODED A SECTION OF HIGHWAY 620 IN BARRIO 
CANDELARIA IN SECTOR FATIMA. MOTORISTS ARE ADVISED TO AVOID THIS 
AREA.

ELSEWHERE RIVERS ARE RUNNING HIGH...MOST ARE FALLING...BUT A FEW ARE 
STILL RISING.  RIO PIEDRAS WAS STILL ONE AND THREE QUARTERS FEET 
ABOVE ITS FLOOD STAGE OF 15 FEET AT HATO REY AND FALLING SLOWLY.

$$

SNELL

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
May 12, 12:49 PM CDT	Flash Flood Warning	JSJ	19 hr
May 12, 1:21 PM CDT	Flash Flood Warning	JSJ	18 hr
May 12, 1:50 PM CDT	Flash Flood Warning	JSJ	18 hr
May 12, 2:04 PM CDT	Flash Flood Warning	JSJ	18 hr
May 12, 2:26 PM CDT	Flash Flood Warning	JSJ	18 hr

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.