

855 

WGUS75 KBOU 130741

FFSBOU



FLASH FLOOD STATEMENT

NATIONAL WEATHER SERVICE DENVER CO

141 AM MDT FRI SEP 13 2013



COC013-059-130945-

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

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

JEFFERSON CO-BOULDER CO-

141 AM MDT FRI SEP 13 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...



AT 131 AM MDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING 

CONTINUING IN NORTHERN JEFFERSON AND BOULDER 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.



THE FLOOD SURGES COMING DOWN BOULDER CANYON AND LEFTHAND CANYONS 

HAVE DIMINISHED...AND THE PEAK OF THE FLOOD IS MOVING ONTO THE 

PLAINS. NEW EVACUATIONS WERE RECENTLY ORDERED FOR ELDORADO SPRINGS. 

HIGHWAY 119 IS NOW FLOODED ON THE SOUTHWEST SIDE OF LONGMONT FROM 

LEFTHAND CREEK. EXTENSIVE FLOODING IS OCCURRING ON ALMOST ALL 

STREAMS IN THE WARNING AREA WITH MAJOR IMPACTS IN 

BOULDER...LONGMONT...AND LYONS. WHILE STREAM LEVELS ARE FALLING IN 

THE FOOTHILLS...LIFE THREATENING FLOODING IS STILL OCCURRING AND 

MANY ROADS ARE CLOSED.  STAY OUT OF FLOODED AREAS...AND HEED LOCAL 

OFFICIALS ADVICE TO AVOID TRAVEL IF POSSIBLE. ADDITIONAL FLOODING 

WILL DEVELOP QUICKLY IF RAINFALL INTENSIFIES AGAIN.



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

