

278 

WGUS55 KBOU 120516

FFWBOU

COC013-059-121015-

/O.NEW.KBOU.FF.W.0034.130912T0516Z-130912T1015Z/

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



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE DENVER CO

1116 PM MDT WED SEP 11 2013



THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  NORTHERN JEFFERSON COUNTY IN NORTHEAST COLORADO...

  BOULDER COUNTY IN NORTHEAST COLORADO...



* UNTIL 415 AM MDT



* AT 1115 PM MDT...LAW ENFORCEMENT REPORTED CONSIDERABLE FLASH   

  FLOODING IN THE WARNED AREA. TORRENTIAL RAINFALL APPROACHING 5   

  INCHES IN THE LAST 6 HOURS HAS OCCURRED IN SOME AREAS. ADDITIONAL  

  HEAVY RAIN WILL CONTINUE THROUGH THE MIDNIGHT HOUR...INCREASING   

  THE INTENSITY OF THE FLASH FLOODING. FLOODING ALONG FOURMILE   

  CANYON CREEK IS EXPECTED TO PUSH INTO NORTHERN BOULDER WITH   

  RESIDENTIAL FLOODING EXPECTED. FOURMILE AND BOULDER CREEKS WILL   

  CONTINUE TO RISE WITH CONTINUED FLASH FLOODING. SOUTH BOULDER   

  CREEK THROUGH ELDORADO SPRINGS WILL ALSO CONTINUE TO RISE. FLASH   

  FLOODING HAS ALSO BEEN REPORTED AT THE BASE OF COAL CREEK CANYON   

  NEAR HIGHWAY 72. 



* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...

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

  BROOMFIELD...LAFAYETTE...LOUISVILLE...ERIE...SUPERIOR...LYONS...

  JAMESTOWN...SALINA...ELDORADO SPRINGS...CRISMAN...GOLD HILL...

  NIWOT...SUMMERVILLE...PEACEFUL VALLEY...ALLENSPARK...WALLSTREET...

  ROCKY FLATS...RAYMOND...MEEKER PARK...SUNSHINE AND WHITE RANCH OPEN

  SPACE.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



THIS IS A LIFE THREATENING SITUATION FOR PEOPLE ALONG BOULDER CREEK

IN THE CITY OF BOULDER...IN THE FOURMILE BURN AREA...AND IN BOULDER

CANYON.  HEAVY RAINFALL WILL CAUSE EXTENSIVE AND SEVERE FLASH

FLOODING OF CREEKS AND STREAMS FROM THE FOURMILE BURN AREA DOWNSTREAM

THROUGH THE CITY OF BOULDER.  SOME DRAINAGE BASINS IMPACTED INCLUDE

BOULDER CREEK...FOURMILE CREEK...GOLD RUN...FOURMILE CANYON CREEK...

AND WONDERLAND CREEK.  SEVERE DEBRIS FLOWS CAN ALSO BE ANTICIPATED

ACROSS ROADS.  ROADWAYS AND BRIDGES MAY BE WASHED AWAY IN PLACES.  IF

YOU ENCOUNTER FLOOD WATERS...CLIMB TO SAFETY.



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.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING.



&&



LAT...LON 4011 10515 4010 10505 3996 10505 3994 10511

      3995 10513 3993 10515 3991 10510 3985 10509

      3978 10521 3977 10540 3992 10539 3994 10545

      4026 10555 4026 10524



$$



BARJENBRUCH

