Colorado Floods

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RL3AO
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Colorado Floods

#1 Postby RL3AO » Fri Sep 13, 2013 6:49 am

Didn't even know they issued Flash Flood Emergencies.

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
903 PM MDT THU SEP 12 2013

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* FLASH FLOOD WARNING FOR...
SOUTHEASTERN LARIMER COUNTY IN NORTH CENTRAL COLORADO...

* UNTIL 200 AM MDT

* AT 901 PM MDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. WIDESPREAD FLASH FLOODING WAS OCCURRING...INCLUDING
THE BIG THOMPSON CANYON AND THE CITY OF LOVELAND.

THIS IS A FLASH FLOOD EMERGENCY FOR THE BIG THOMPSON CANYON AND
LOVELAND. SEEK HIGHER GROUND NOW! THIS IS A POTENTIALLY LIFE
THREATENING SITUATION! TRAVEL IS VIRTUALLY IMPOSSIBLE.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LOVELAND...ESTES PARK...BERTHOUD AND DRAKE.

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.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS
AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS WILL
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.
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RL3AO
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#2 Postby RL3AO » Fri Sep 13, 2013 6:50 am

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
1052 PM MDT THU SEP 12 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 345 AM MDT

* AT 1045 PM MDT...WIDESPREAD AND LIFE THREATENING FLASH FLOODING
WAS OCCURRING ACROSS BOULDER AND NORTHERN JEFFERSON COUNTIES.

...THIS IS A FLASH FLOOD EMERGENCY FOR BOULDER AND NORTHERN
JEFFERSON COUNTY. SEEK HIGHER GROUND NOW! THIS IS LIFE THREATENING
SITUATION!

NEW EVACUATIONS HAVE BEEN ORDERED FROM THE MOUTH OF BOULDER CANYON
ALONG BROADWAY...AND THEN PEARL TO MARINE.

WIDESPREAD FLASH FLOODING WAS CAUSING NUMEROUS AND WIDESPREAD ROAD
CLOSURES WERE REPORTED ACROSS ALL OF BOULDER COUNTY...AS WELL AS
NORTHWESTERN JEFFERSON COUNTY. TRAVEL IS VIRTUALLY
IMPOSSIBLE...STAY OFF THE ROADS AND STAY SAFE.

LEYDEN RESERVOIR IN NORTHWESTERN ARVADA IS ALSO RELEASING FLOWS AT A
HIGH RATE...WITH EVACUATIONS NOW OCCURRING DOWNSTREAM OF THE DAM TO
ALKIRE STREET.

DOPPLER RADAR INDICATED RAIN HAD DIMINISHED SOMEWHAT IN
INTENSITY...BUT ANOTHER HALF INCH OF RAIN CAN STILL BE EXPECTED IN
THE NEXT HOUR OR TWO. THIS WILL CONTINUE TO PRODUCE FLASH
FLOODING.

* 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.
TRAVEL IS NEARLY IMPOSSIBLE.

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...ALONG SOUTH BOULDER CREEK THROUGH
ELDORADO SPRINGS...AND COAL CREEK CANYON. HEAVY RAINFALL WILL CAUSE
EXTENSIVE AND SEVERE FLASH FLOODING. NUMEROUS ROADS AND BRIDGES HAVE
BEEN WASHED OUT.
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RL3AO
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Re: Colorado Floods

#3 Postby RL3AO » Fri Sep 13, 2013 6:52 am

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE DENVER CO
1158 PM MDT THU SEP 12 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 600 AM MDT FRIDAY

* AT 1153 PM MDT...EMERGENCY MANAGEMENT REPORTED A NEW ROUND OF
SEVERE FLASH FLOODING IN FOURMILE CREEK...BOULDER CREEK...AND
LEFTHAND CANYON IN BOULDER COUNTY.

THIS IS A FLASH FLOOD EMERGENCY FOR THE FOURMILE BURN AREA...THE
CITY OF BOULDER...AND LEFTHAND CREEK. SEEK HIGHER GROUND NOW! THIS
IS A POTENTIALLY LIFE THREATENING SITUATION!

* 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.

AT 1150 PM...BOULDER COUNTY EMERGENCY MANAGEMENT REPORTED
SIGNIFICANT RISES COMING DOWN FOURMILE CREEK OUT OF THE FOURMILE
BURN AREA AND INTO BOULDER CANYON. THIS SURGE IS EXPECTED TO REACH
THE MOUTH OF BOULDER CANYON IN THE CITY OF BOULDER WITHIN THE NEXT
20 MINUTES. THERE WAS ALSO A 10 FOOT WALL OF WATER COMING DOWN
LEFTHAND CANYON.
RESIDENTS DOWNSTREAM CAN EXPECT A SIGNIFICANT
INCREASE IN WATER LEVELS...EVEN EAST OF THE CANYONS...OVER THE NEXT
HOUR.

IF YOU ARE NEAR BOULDER OR FOURMILE CREEKS...GET TO HIGHER GROUND
NOW! DO NOT TRY TO OUTRUN THIS FLASH FLOOD!

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. HEAVY RAINFALL WILL CAUSE
EXTENSIVE AND SEVERE FLASH FLOODING OF CREEKS...STREAMS...AND DITCHES
IN THE FOURMILE BURN AREA. SOME DRAINAGE BASINS IMPACTED INCLUDE
FOURMILE CREEK...GOLD RUN...AND FOURMILE CANYON CREEK. SEVERE DEBRIS
FLOWS CAN ALSO BE ANTICIPATED ACROSS ROADS. ROADS AND DRIVEWAYS MAY
BE WASHED AWAY IN PLACES. IF YOU ENCOUNTER FLOOD WATERS...CLIMB TO
SAFETY.

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
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angelwing
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Re: Colorado Floods

#4 Postby angelwing » Fri Sep 13, 2013 7:23 am

This is horrible, I have been monitoring the twitter feeds from this and from Seaside...prayers for those folks
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Re: Colorado Floods

#5 Postby HurricaneBill » Sun Sep 15, 2013 8:59 pm

RL3AO wrote:Didn't even know they issued Flash Flood Emergencies.



THIS IS A FLASH FLOOD EMERGENCY FOR THE BIG THOMPSON CANYON AND
LOVELAND. SEEK HIGHER GROUND NOW! THIS IS A POTENTIALLY LIFE
THREATENING SITUATION! TRAVEL IS VIRTUALLY IMPOSSIBLE.



Most likely due to what happened in Big Thompson Canyon in 1976.
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