Alert archive / Puerto Rico / Flash Flood Warnings in 2008

Flash Flood Warning 22, NWS JSJ

July 25, 2008

NWS JSJ issued this flash flood warning at Jul 25, 2008, 11:47 AM CDT. It was in force for 3 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: Jul 25, 2008, 11:47 AM CDT (16:47 UTC)
Expired: Jul 25, 2008, 2:22 PM CDT
In force: 3 hr
Issued by: NWS JSJ
Area: Storm-based polygon
Flood severity: None

The text

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

000 
WGCA52 TJSJ 251648
FFWSJU
PRC021-061-127-251945-
/O.NEW.TJSJ.FF.W.0022.080725T1647Z-080725T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
1247 PM AST FRI JUL 25 2008

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     BAYAMON
     GUAYNABO
     SAN JUAN

* UNTIL 345 PM AST

* AT 1245 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
VERY HEAVY RAIN FROM SHOWERS AND THUNDERSTORMS OVER THE WARNED 
AREAS. RAINFALL ACCUMULATIONS WITHIN THE PAST HOUR HAVE RANGED FROM 
2 TO 3 INCHES IN LOCALIZED SPOTS OVER THESE MUNICIPALITIES. 

ADDITIONAL RAINFALL AMOUNTS OF AROUND TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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 1842 6613 1838 6604 1833 6604 1837 6616

$$

FIGUEROA

2 follow-up statements

000 
WGCA72 TJSJ 251705
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
100 PM AST FRI JUL 25 2008

PRC021-061-127-251945-
/O.CON.TJSJ.FF.W.0022.000000T0000Z-080725T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BAYAMON PR-GUAYNABO PR-SAN JUAN PR-
100 PM AST FRI JUL 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 PM AST FOR SAN
JUAN...GUAYNABO AND BAYAMON MUNICIPALITIES...

AT 1253 PM AST...LOCAL LAW ENFORCEMENT OFFICIALS HAVE REPORTED 
FLOODING IN GUAYNABO...CUPEY AND BAYAMON. THE RIO PIEDRAS HAS RISEN 
TO ALMOST ONE FOOT ABOVE FLOOD STAGE UPSTREAM AND THESE FLOOD WATERS 
ARE EXPECTED TO SPILL RAPIDLY DOWN THE RIVER AND RAISE IT TO FLOOD 
STAGE IN HATO REY. THE RIVER HAS CRESTED UPSTREAM BUT MORE RAIN IS 
SET TO MOVE INTO SAN JUAN MUNICIPALITY FROM TRUJILLO ALTO AND INTO 
GUAYNABO.

PERSONS IN HATO REY AND UPSTREAM NEAR THE RIO PIEDRAS SHOULD PREPARE 
FOR WATER THAT REACHES FLOOD STAGE THERE.

LAT...LON 1842 6613 1838 6604 1833 6604 1837 6616

$$

SNELL

000 
WGCA72 TJSJ 251922
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
316 PM AST FRI JUL 25 2008

PRC021-061-127-251926-
/O.CAN.TJSJ.FF.W.0022.000000T0000Z-080725T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BAYAMON PR-GUAYNABO PR-SAN JUAN PR-
316 PM AST FRI JUL 25 2008

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SAN JUAN...GUAYNABO
AND BAYAMON MUNICIPALITIES...

AT 310 PM AST...THE DOPPLER WEATHER RADAR INDICATED THAT THE 
SHOWERS AND THUNDERSTORMS THAT WERE AFFECTING THE FORMER WARNING 
AREA EARLIER HAD DIMINISHED OR MOVED OFF. ALTHOUGH BRIEF SHOWERS 
WILL LINGER ACROSS THESE AREAS DURING THE NEXT HOUR OR SO...NO 
ADDITIONAL PERSISTENT HEAVY RAINFALL OR NEW FLASH FLOODING IS 
EXPECTED. LATEST INFORMATION FROM THE U.S.G.S. RAIN GAGES NEAR RIO 
PIEDRAS INDICATED THAT THE RIVER LEVEL IS BELOW FLOOD STAGE AT THIS 
MOMENT. THEREFORE...THE FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE. 

LAT...LON 1842 6613 1838 6604 1833 6604 1837 6616

$$

FIGUEROA

The office that day

Everything else NWS JSJ issued on the same UTC day.

Issued	Product	Office	Lasted
Jul 25, 10:53 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 25, 10:53 AM CDT	Areal Flood Advisory	JSJ	3 hr
Jul 25, 12:21 PM CDT	Areal Flood Advisory	JSJ	2 hr
Jul 25, 2:09 PM CDT	Flood Watch	JSJ	8 hr
Jul 25, 3:32 PM CDT	Areal Flood Warning	JSJ	14 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2008 Every flash flood warning in 2008

Sources

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