Alert archive / Puerto Rico / Flash Flood Warnings in 2008

Flash Flood Warning 21, NWS JSJ

June 11, 2008

NWS JSJ issued this flash flood warning at Jun 11, 2008, 2:41 PM CDT. It was in force for 4 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
Jun 11, 2008, 2:41 PM CDT (19:41 UTC)
Expired
Jun 11, 2008, 6:45 PM CDT
In force
4 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 111946
FFWSJU
PRC055-079-093-121-125-153-112145-
/O.NEW.TJSJ.FF.W.0021.080611T1941Z-080611T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
341 PM AST WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MARICAO
     SABANA GRANDE
     SAN GERMAN
     YAUCO
     GUANICA
     LAJAS

* UNTIL 545 PM AST

* AT 336 PM AST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
THAT SHOWERS AND THUNDERSTORMS CONTINUED TO DEVELOP ACROSS THE 
SOUTHWESTERN MUNICIPALITIES OF PUERTO RICO...AND DRIFT OVER THE 
WARNING AREA. DOPPLER RADAR ESTIMATES RANGED BETWEEN TWO INCH TO 
THREE INCHES IN SOME AREAS DURING THE LAST HOURS...AND ADDITIONAL 
AMOUNTS OF AN INCH OR MORE CAN BE EXPECTED AT LEAST UNTIL 545 PM 
AST.  

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SABANA
  GRANDE...PALOMAS AND YAUCO

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN SAN
JUAN.

LAT...LON 1821 6696 1810 6684 1802 6682 1798 6698
      1817 6704
TIME...MOT...LOC 1941Z 180DEG 0KT 1799 6686

$$

FIGUEROA
3 follow-up statements
000 
WGCA72 TJSJ 112029
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
424 PM AST WED JUN 11 2008

PRC055-079-093-121-125-153-112145-
/O.CON.TJSJ.FF.W.0021.000000T0000Z-080611T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARICAO PR-SABANA GRANDE PR-SAN GERMAN PR-YAUCO PR-GUANICA PR-
LAJAS PR-
424 PM AST WED JUN 11 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM AST FOR
LAJAS...GUANICA...YAUCO...SAN GERMAN...SABANA GRANDE AND MARICAO
MUNICIPALITIES...

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SABANA 
GRANDE...PALOMAS AND YAUCO.

AT 421 PM AST...EMERGENCY MANAGEMENT OFFICIALS REPORTED ROAD 368 KM 
3.4 NEAR URBANIZATION ALTA SABANERA IN BARRIO MACHUCHAL FLOODED DUE 
TO THE CONTINUATION OF HEAVY RAINFALL IN THE AREA. WHILE THIS 
RAINFALL WILL CONTINUE TO DIMINISH...FLOODED ROADS WILL STILL BE A 
PROBLEM FOR THE NEXT SEVERAL HOURS AS RUNOFF SUBSIDES.

IF YOU APPROACH A FLOODED ROAD DURING TRAVEL...PLEASE TURN AROUND 
AND FIND ALTERNATE ROUTES.  THE DEPTH OF THE WATER ON THE ROAD IS 
NOT NORMALLY APPARENT AND COULD EASILY STALL YOUR CAR OR 
WORSE...CAUSE YOU TO LOSE CONTROL OF THE VEHICLE.

LAT...LON 1821 6696 1810 6684 1802 6682 1798 6698
      1817 6704
TIME...MOT...LOC 2024Z 180DEG 0KT 1799 6686

$$

JPC
000 
WGCA52 TJSJ 112141
FFWSJU
PRC055-079-093-121-125-153-112345-
/O.EXT.TJSJ.FF.W.0021.000000T0000Z-080611T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN JUAN PR
536 PM AST WED JUN 11 2008

THE NATIONAL WEATHER SERVICE IN SAN JUAN HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  THE FOLLOWING MUNICIPALITIES

  IN PUERTO RICO
     MARICAO
     SABANA GRANDE
     SAN GERMAN
     YAUCO
     GUANICA
     LAJAS

* UNTIL 745 PM AST

* AT 531 PM AST...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH
  FLOODING FROM HEAVY RAINS THAT HAVE FALLEN OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SABANA
  GRANDE...PALOMAS AND YAUCO

WHILE THE HEAVIEST RAINFALL HAS SUBSIDED OVER THE AREA...THE RIO 
LOCO IN YAUCO WAS REPORTED TO BE SPILLING OVER ITS BANKS THANKS TO 
VERY HEAVY RAINFALL THAT OCCURRED AN HOUR OR SO AGO.  
THEREFORE...THE FLASH FLOOD WARNING FOR THIS AREA HAS BEEN EXTENDED 
FOR THE NEXT SEVERAL HOURS.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF 
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. STAY AWAY 
FROM FLOODED ROADS FIND AN ALTERNATE ROUTE IF YOU ENCOUNTER FLOODING.

LAT...LON 1821 6696 1810 6684 1802 6682 1798 6698
      1817 6704
TIME...MOT...LOC 2136Z 180DEG 0KT 1799 6686

$$

JPC
000 
WGCA72 TJSJ 112342
FFSSJU

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JUAN PR
741 PM AST WED JUN 11 2008

PRC055-079-093-121-125-153-112351-
/O.EXP.TJSJ.FF.W.0021.000000T0000Z-080611T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARICAO PR-SABANA GRANDE PR-SAN GERMAN PR-YAUCO PR-GUANICA PR-
LAJAS PR-
741 PM AST WED JUN 11 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 745 PM AST FOR LAJAS...
GUANICA...YAUCO...SAN GERMAN...SABANA GRANDE AND MARICAO
MUNICIPALITIES...

DUE TO THE PASSAGE OF SHOWERS AND THUNDERSTORMS IN THE AREA...AS 
WELL AS THE DECREASE IN RUNOFF POTENTIAL AT THIS TIME...THE FLASH 
FLOOD WARNING WILL BE ALLOWED TO EXPIRE. MOTORISTS ARE URGED TO 
REMAIN VIGILANT AND AVOID FLOODED ROADS IF THEY ARE ENCOUNTERED.

LAT...LON 1821 6696 1810 6684 1802 6682 1798 6698
      1817 6704
TIME...MOT...LOC 2341Z 180DEG 0KT 1799 6686

$$

JPC

The office that day

Everything else NWS JSJ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 12:59 PM CDTAreal Flood AdvisoryJSJ3 hr
Jun 11, 2:26 PM CDTAreal Flood AdvisoryJSJ3 hr
Jun 11, 5:03 PM CDTAreal Flood AdvisoryJSJ3 hr

Nearby

Flash Flood Warnings in Puerto Rico, 2008Every 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.