Alert archive / Colorado / High Wind Warnings in 2017

High Wind Warning 5, NWS Denver/Boulder, CO

February 10, 201710 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Feb 10, 2017, 2:22 AM MST for 10 counties in Colorado. It was in force for 9 hr. 43 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 10, 2017, 2:22 AM MST (09:22 UTC)
Expired
Feb 10, 2017, 10:55 AM MST
In force
9 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 09:19 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 10, 2:24 AM MSTNON-TSTM WND GST 842 Wnw Aspen Springs, COMESONET STATION 1 WNW ASPEN SPRINGS /PKLC2/.
Feb 10, 2:24 AM MSTNON-TSTM WND GST 842 Wnw Aspen Springs, COPICKLE GULCH RAWS
Feb 10, 2:24 AM MSTNON-TSTM WND GST 842 Wnw Aspen Springs, COPICKLE GULCH RAWS.
Feb 10, 2:34 AM MSTNON-TSTM WND GST 77Aspen Springs, COMESONET STATION ASPEN SPRINGS /C5066/.
Feb 10, 2:52 AM MSTNON-TSTM WND GST 992 Nnw Glen Haven, CO
Feb 10, 2:52 AM MSTNON-TSTM WND GST 992 Nw Glen Haven, CO
Feb 10, 3:02 AM MSTNON-TSTM WND GST 992 Nnw Glen Haven, COMESONET STATION 1 NW GLEN HAVEN /E4490/.
Feb 10, 3:30 AM MSTNON-TSTM WND GST 682 Wnw Loveland, CO
Feb 10, 4:02 AM MSTNON-TSTM WND GST 604 Ene Loveland, COAWOS STATION FORT COLLINS-LOVELAND MUNICIPAL AIRPORT /FNL/.
Feb 10, 4:07 AM MSTNON-TSTM WND GST 61Floyd Hill, COMESONET STATION FLOYD HILL /CO071/.
Feb 10, 4:07 AM MSTNON-TSTM WND GST 61Floyd Hill, CO
Feb 10, 4:12 AM MSTNON-TSTM WND GST 625 S Estes Park, COMESONET STATION 4 SSW ESTES PARK /CO045/.
Feb 10, 4:19 AM MSTNON-TSTM WND GST 602 Sse Loveland, COMESONET STATION 2 SE LOVELAND /D5856/.
Feb 10, 4:42 AM MSTNON-TSTM WND GST 598 Wnw Cowdrey, COMESONET STATION 7 WNW COWDREY /IMRC2/.
Feb 10, 4:46 AM MSTNON-TSTM WND GST 652 Ssw Crescent Village, COMESONET STATION 2 SSW CRESCENT VILLAGE /D9321/.
Feb 10, 4:58 AM MSTNON-TSTM WND GST 662 Wnw Brookvale, COMESONET STATION 2 W BROOKVALE /CEKC2/.
Feb 10, 5:02 AM MSTNON-TSTM WND GST 74N Virginia Dale, CO
Feb 10, 5:02 AM MSTNON-TSTM WND GST 74Virginia Dale, COMESONET STATION VIRGINIA DALE /CO036/.
Feb 10, 5:29 AM MSTNON-TSTM WND GST 701 Ese Downieville, COMESONET STATION DOWNIEVILLE /DMTC2/.
Feb 10, 5:29 AM MSTNON-TSTM WND GST 701 S Dumont, CO
Feb 10, 6:51 AM MSTNON-TSTM WND GST 623 S Boulder, COMESONET STATION 2 SSW BOULDER /E9217/.
Feb 10, 6:51 AM MSTNON-TSTM WND GST 623 S Boulder, CO
Feb 10, 6:55 AM MSTNON-TSTM WND GST 101Berthoud Pass, CO
Feb 10, 6:55 AM MSTNON-TSTM WND GST 1041 Ese Berthoud Pass, COAWOS STATION BERTHOUD PASS /0CO/.
Feb 10, 7:07 AM MSTNON-TSTM WND GST 602 Nw Genesee, COMESONET STATION 2 NW GENESEE /CO065/.
Feb 10, 7:07 AM MSTNON-TSTM WND GST 602 Nw Genesee, CO
Feb 10, 7:11 AM MSTNON-TSTM WND GST 603 Ssw Estes Park, COMESONET STATION 3 SW ESTES PARK /E2911/.
Feb 10, 7:13 AM MSTNON-TSTM WND GST 592 Se Timnath, COMESONET STATION 2 SE TIMNATH /E3662/.
Feb 10, 7:24 AM MSTNON-TSTM WND GST 752 Ese Deer Ridge, COMESONET STATION 2 ESE DEER RIDGE /ESPC2/.
Feb 10, 7:45 AM MSTNON-TSTM WND GST 662 Ese Allenspark, COMESONET STATION 1 ESE ALLENSPARK /AU944/.
Feb 10, 7:45 AM MSTNON-TSTM WND GST 662 Ese Allenspark, CO
Feb 10, 7:47 AM MSTNON-TSTM WND GST 565 S Lyons, COMESONET STATION 5 S LYONS /E8833/.
Feb 10, 7:55 AM MSTNON-TSTM WND GST 643 E Longmont, COMESONET STATION 2 E LONGMONT /D2755/.
Feb 10, 7:55 AM MSTNON-TSTM WND GST 643 E Longmont, CO
Feb 10, 8:03 AM MSTNON-TSTM WND GST 581 Ne Boulder, COMESONET STATION BOULDER /NCARF/.
Feb 10, 8:04 AM MSTNON-TSTM WND GST 693 N Eldorado Springs, COMESONET STATION 3 WNW MARSHALL /NCARM/.
Feb 10, 8:04 AM MSTNON-TSTM WND GST 693 N Eldorado Springs, CO
Feb 10, 8:08 AM MSTNON-TSTM WND GST 722 Sse Estes Park, COMESONET STATION 2 SSE ESTES PARK /E3265/.
Feb 10, 8:08 AM MSTNON-TSTM WND GST 722 Sse Estes Park, CO
Feb 10, 8:10 AM MSTNON-TSTM WND GST 602 Sw Boulder, COMESONET STATION 1 SW BOULDER /ATC01/.
Feb 10, 8:24 AM MSTNON-TSTM WND GST 76Red Feather Lakes, COMESONET STATION RED FEATHER LAKES /RFRC2/.
Feb 10, 8:33 AM MSTNON-TSTM WND GST 741 S Hygiene, COAWOS STATION 1 S HYGIENE /LMO/.
Feb 10, 8:33 AM MSTNON-TSTM WND GST 741 S Hygiene, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 9.4 hours before the alert went out and 206 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2017-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2017-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2848 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

692 
WWUS75 KBOU 100922
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
222 AM MST Fri Feb 10 2017

...Powerful jet stream winds have lowered down over the Front 
Range mountains and higher foothills in northern Colorado late
tonight. Strongest winds have been observed up along the 
Continental Divide and in the higher foothills in Boulder and 
Larimer Counties. Winds have gusted to as high as 101 mph atop 
Berthoud pass and from 75 to 90 mph along the Peak-to-Peak Highway
in Boulder County in the past couple of hours. These very strong 
and potentially damaging winds are expected to continue in areas 
prone to such winds through Friday morning. Above timberline these
powerful winds are likely to produce whiteout conditions and 
dangerous cold wind chills. 


COZ033>036-101730-
/O.NEW.KBOU.HW.W.0005.170210T0922Z-170210T1800Z/
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Cameron Pass, 
Laramie and Medicine Bow Mountains, Rabbit Ears Range, 
Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, 
Breckenridge, East Slopes Mosquito Range, 
East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks,
Kenosha Mountains, Mount Evans, Williams Fork Mountains, 
Winter Park, Estes Park, Glendevey, Nederland, Red Feather Lakes,
Bailey, Central City, Evergreen, Georgetown, Idaho Springs, 
and Westcreek
222 AM MST Fri Feb 10 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect until 11 AM MST this morning. 

* TIMING...until 11 AM Friday with the strongest gusts expected
  from 2 AM and 9 AM this morning. 

* WINDS...sustained west winds of 40 to 50 mph with peak gusts
  from 75 to 95 mph roughly at elevations above 8500 feet.  

* IMPACTS...Damage to power lines and buildings such as to roofs
  and sliding are likely these very strong winds. Motorists may
  encounter fierce cross winds which could cause sudden loss of
  the control of their vehicles. Power interruptions and even 
  power outages may occur.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 50 mph or gusts 
of 58 mph or more can lead to property damage.

&&

$$
baker
1 follow-up statement
319 
WWUS75 KBOU 101755
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1055 AM MST Fri Feb 10 2017

...Winds Gradually Diminishing in the Colorado High Country...

.Gusty winds continue blowing in the north central Colorado
mountains late this morning, but they are not as strong as they
were around sunrise this morning. Strong winds aloft over the
state will become more southwesterly this afternoon, decreasing
the threat of damaging winds. 

COZ033>036-101900-
/O.CAN.KBOU.HW.W.0005.000000T0000Z-170210T1800Z/
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Cameron Pass, 
Laramie and Medicine Bow Mountains, Rabbit Ears Range, 
Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, 
Breckenridge, East Slopes Mosquito Range, 
East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks,
Kenosha Mountains, Mount Evans, Williams Fork Mountains, 
Winter Park, Estes Park, Glendevey, Nederland, Red Feather Lakes,
Bailey, Central City, Evergreen, Georgetown, Idaho Springs, 
and Westcreek
1055 AM MST Fri Feb 10 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Denver has cancelled the High
Wind Warning. 

Wind gusts up to 50 mph will still be possible through 1 PM MST,
but damaging winds are no longer expected. Motorists driving high
profile vehicles should continue using caution while driving in
the mountains and Front Range foothills.

$$

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 10, 4:36 AM MSTRed Flag WarningBOUArapahoe, Douglas, Elbert, Lincoln13 hr

Nearby

High Wind Warnings in Colorado, 2017Every high wind warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.