

378 

WGUS55 KBOU 122129 RRA

FFWBOU

COC013-059-130130-

/O.NEW.KBOU.FF.W.0058.130912T2129Z-130913T0130Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE DENVER CO

329 PM MDT THU SEP 12 2013



THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  NORTHWESTERN JEFFERSON COUNTY IN NORTHEAST COLORADO...

  BOULDER COUNTY IN NORTHEAST COLORADO...



* UNTIL 730 PM MDT



* AT 326 PM MDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING ON 

  MARSHALL ROAD...ABOUT 4 MILES SOUTH OF BOULDER. IN 

  ADDITION...HEAVY RAIN WAS REDEVELOPING AND SPREADING BACK INTO THE 

  FOOTHILLS.  RAINFALL RATES OF ONE HALF TO 1 INCH PER HOUR CAN BE 

  EXPECTED...ON TOP OF THE 5 TO 10 INCHES OF RAIN HAVING FALLEN IN 

  THE LAST 24 HOURS. THIS WILL CAUSE ADDITIONAL FLASH FLOODING.



* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...

  NORTHWESTERN ARVADA...WESTERN WESTMINSTER...BOULDER...WESTERN

  LONGMONT...SOUTHWESTERN BROOMFIELD...LAFAYETTE...LOUISVILLE...

  SUPERIOR...LYONS...JAMESTOWN...SALINA...ELDORADO SPRINGS...

  CRISMAN...GOLD HILL...NIWOT...SUMMERVILLE...WALLSTREET...ROCKY

  FLATS...RAYMOND...SUNSHINE...WHITE RANCH OPEN SPACE AND ALLENSPARK.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS

AND STREAMS...ROADS AND ROADSIDE CULVERTS.  THE HEAVY RAINS COULD

ALSO TRIGGER ROCK SLIDES OR DEBRIS FLOWS IN STEEP TERRAIN.



EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL

CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES

AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.



TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD

DEATHS OCCUR IN VEHICLES.



&&



LAT...LON 4026 10518 4008 10509 3993 10515 3990 10514

      3991 10516 3988 10515 3981 10517 3974 10530

      3989 10541 3993 10540 3994 10544 3997 10546

      4026 10546



$$



BARJENBRUCH

