

407 

WGUS75 KBOU 130537

FFSBOU



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DENVER CO

1137 PM MDT THU SEP 12 2013



COC013-059-130945-

/O.CON.KBOU.FF.W.0066.000000T0000Z-130913T0945Z/

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

JEFFERSON CO-BOULDER CO-

1137 PM MDT THU SEP 12 2013



...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 345 AM MDT FOR

NORTHERN JEFFERSON AND BOULDER COUNTIES...



...THIS IS A FLASH FLOOD EMERGENCY FOR BOULDER AND NORTHERN 

JEFFERSON COUNTIES ESPECIALLY FOURMILE CREEK AND BOULDER 

CANYON INTO THE CITY OF BOULDER...



AT 1131 PM MDT...LOCAL LAW ENFORCEMENT REPORTED SEVERE FLASH 

FLOODING ALONG FOURMILE CREEK. A VERY LARGE FLOW OF WATER WAS COMING 

OUT OF EMERSON GULCH IN THE FOURMILE BURN AREA AND DOWN FOURMILE 

CREEK. THIS WILL CAUSE ANOTHER SUDDED RISE IN FOURMILE CREEK AND 

BOULDER CANYON OVER THE NEXT HOUR. LARGE AMOUNTS OF DEBRIS AND 

VEHICLES WERE BEING CARRIED IN THIS FLOOD WAVE. WATER ALONG BOULDER 

CREEK IN THE CITY OF BOULDER WILL BE INCREASING THROUGH MIDNIGHT... 

AND THIS NEW FLOOD WAVE WILL LIKELY REACH BOULDER SHORTLY AFTER 

MIDNIGHT.



THE WATER CURRENTLY COMING INTO BOULDER WILL BRING EVEN HIGHER FLOWS 

THAN THOSE CURRENTLY EXPERIENCED...WITH A WALL OF WATER POSSIBLE IN 

BOULDER CANYON.  IF YOU ARE NEAR BOULDER CREEK DO NOT TRY TO 

OUTRUN THE FLOOD WATERS...MOVE TO HIGHER GROUND NOW!



EXTENSIVE FLASH FLOODING ALSO CONTINUES ACROSS THE REMAINDER OF 

BOULDER AND NORTHERN JEFFERSON COUNTIES.



SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...

WESTERN ARVADA...WESTERN WESTMINSTER...BOULDER...WESTERN LONGMONT...

SOUTHWESTERN BROOMFIELD...LAFAYETTE...NORTHWESTERN GOLDEN...

LOUISVILLE...SUPERIOR...LYONS...NEDERLAND...JAMESTOWN...WARD...

SALINA...NIWOT...ELDORA...ALLENSPARK...WALLSTREET...ROCKY FLATS...

BRAINARD LAKE...WHITE RANCH OPEN SPACE...ELDORADO SPRINGS...

CRISMAN...GOLD HILL...SUMMERVILLE...PEACEFUL VALLEY...RAYMOND...

MEEKER PARK...SUNSHINE AND LONGS PEAK.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



MOVE TO HIGHER GROUND NOW. THIS IS AN EXTREMELY DANGEROUS AND LIFE

THREATENING SITUATION. DO NOT ATTEMPT TO TRAVEL UNLESS YOU ARE

FLEEING AN AREA SUBJECT TO FLOODING OR UNDER AN EVACUATION ORDER.



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.



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

DANGERS OF FLOODING.



&&



LAT...LON 4009 10510 3990 10514 3991 10516 3990 10516

      3989 10514 3990 10511 3982 10510 3972 10527

      3986 10540 3993 10541 3993 10565 4010 10561

      4026 10563 4026 10515



$$



GIMMESTAD

