

599 

WGUS55 KBOU 130100

FFWBOU

COC013-059-130530-

/O.EXT.KBOU.FF.W.0058.000000T0000Z-130913T0530Z/

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



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE DENVER CO

700 PM MDT THU SEP 12 2013



THE NATIONAL WEATHER SERVICE IN DENVER HAS EXTENDED THE



* FLASH FLOOD WARNING FOR...

  NORTHWESTERN JEFFERSON COUNTY IN NORTHEAST COLORADO...

  BOULDER COUNTY IN NORTHEAST COLORADO...



* UNTIL 1130 PM MDT



* AT 655 PM MDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 

  THAT HEAVY RAIN WAS FALLING OVER THE AREA. BETWEEN 1 AND 2 INCHES 

  OF RAIN HAS FALLEN IN THE LAST 3 HOURS...WITH AN ADDITIONAL ONE 

  HALF TO 1.5 INCHES OF RAIN IN THE NEXT 3 HOURS WITH JUST A SLIGHT 

  DECREASE IN RAIN INTENSITY. HOWEVER...THIS ADDITIONAL RAIN WILL 

  FALL ON TOP OF THE 6 TO 14 INCHES OF RAIN THAT HAS ALREADY FALLEN. 

  LIFE THREATENING FLASH FLOODING WILL CONTINUE.



* 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...



THIS IS A LIFE THREATENING SITUATION...INCLUDING PEOPLE ALONG 

BOULDER CREEK IN THE CITY OF BOULDER...IN THE FOURMILE BURN 

AREA...IN BOULDER CANYON....LEFTHAND CANYON...AND ST VRAIN CANYON 

THROUGH THE TOWN OF LYONS...AND ALONG SOUTH BOULDER CREEK THROUGH 

ELDORADO SPRINGS. HEAVY RAINFALL WILL CAUSE EXTENSIVE AND SEVERE 

FLASH FLOODING OF CREEKS AND STREAMS FROM THE FOURMILE BURN AREA 

DOWNSTREAM THROUGH THE CITY OF BOULDER. NUMEROUS ROADS AND BRIDGES 

HAVE BEEN WASHED OUT.



SOME DRAINAGE BASINS IMPACTED INCLUDE BOULDER CREEK...FOURMILE 

CREEK...GOLD RUN...FOURMILE CANYON CREEK...WONDERLAND 

CREEK...SOUTH BOULDER CREEK...LEFTHAND CREEK...AND THE ST VRAIN. 

 

SEVERE DEBRIS FLOWS AND ROCK SLIDES CAN ALSO BE ANTICIPATED ACROSS 

ROADS. ROADWAYS AND BRIDGES WILL BE WASHED AWAY IN PLACES.  NUMEROUS 

ROADS ARE CLOSED AND TRAVEL IS NOT RECOMMENDED. IF YOU ENCOUNTER 

FLOOD WATERS...CLIMB TO SAFETY.



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

