Alert archive / Colorado / High Wind Warnings in 2017

High Wind Warning 1, NWS Denver/Boulder, CO

January 8, 201711 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 8, 2017, 11:24 AM MST for 11 counties in Colorado. It took effect at Jan 8, 2017, 11:00 PM MST. It was in force for 16 hr. 60 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
Jan 8, 2017, 11:24 AM MST (18:24 UTC)
In effect from
Jan 8, 2017, 11:00 PM MST
Expired
Jan 9, 2017, 3:00 PM MST
In force
16 hr
Issued by
NWS Denver/Boulder, CO

Counties Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 45 km from the middle of the area, began a volume at 18:25 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
Jan 9, 12:07 AM MSTNON-TSTM WND GST 52Floyd Hill, COMESONET STATION FLOYD HILL /CO071/.
Jan 9, 12:10 AM MSTNON-TSTM WND GST 532 Ese Allenspark, COMESONET STATION 1 ESE ALLENSPARK /AU944/.
Jan 9, 12:28 AM MSTNON-TSTM WND GST 552 Ssw Crescent Village, COMESONET STATION 2 SSW CRESCENT VILLAGE /D9321/.
Jan 9, 1:00 AM MSTNON-TSTM WND GST 511 E Red Feather Lakes, COMESONET STATION RED FEATHER LAKES /E0957/.
Jan 9, 1:17 AM MSTNON-TSTM WND GST 572 S White Ranch Open S, COMESONET STATION 2 S WHITE RANCH OPEN S /E1799/.
Jan 9, 1:17 AM MSTNON-TSTM WND GST 682 Nw Genesee, COMESONET STATION 2 NW GENESEE /CO065/.
Jan 9, 1:23 AM MSTNON-TSTM WND GST 592 S Cheesman Reservoir, COMESONET STATION 1 S CHEESMAN RESERVOIR /CHRC2/.
Jan 9, 1:48 AM MSTNON-TSTM WND GST 683 E Gold Hill, COMESONET STATION 3 E GOLD HILL /E4338/.
Jan 9, 2:15 AM MSTNON-TSTM WND GST 513 Ese Tiny Town, COMESONET STATION 2 ESE TINY TOWN /AP713/.
Jan 9, 2:24 AM MSTNON-TSTM WND GST 52Red Feather Lakes, COMESONET STATION RED FEATHER LAKES /RFRC2/.
Jan 9, 2:28 AM MSTNON-TSTM WND GST 762 Nnw Glen Haven, COMESONET STATION 1 NW GLEN HAVEN /E4490/.
Jan 9, 2:32 AM MSTNON-TSTM WND GST 623 Wnw Mishowaka, COMESONET STATION 2 WNW MISHOWAKA /E0853/.
Jan 9, 2:38 AM MSTNON-TSTM WND GST 642 Nw Rocky Flats, COMESONET STATION 2 WNW ROCKY FLATS /NWTC/.
Jan 9, 2:57 AM MSTNON-TSTM WND GST 532 Ssw Roxborough Park, COMESONET STATION 2 SSW ROXBOROUGH PARK /CTPC2/.
Jan 9, 2:58 AM MSTNON-TSTM WND GST 532 Wnw Brookvale, COMESONET STATION 2 W BROOKVALE /CEKC2/.
Jan 9, 3:05 AM MSTNON-TSTM WND GST 793 N Eldorado Springs, CONCAR MESA LAB
Jan 9, 3:05 AM MSTNON-TSTM WND GST 793 Nw Marshall, CONCAR MESA LAB.
Jan 9, 3:18 AM MSTNON-TSTM WND GST 591 Wsw Applewood, COMESONET STATION 1 WSW APPLEWOOD /SRRL/.
Jan 9, 3:21 AM MSTNON-TSTM WND GST 882 Ene Marshall, CO53 MPH.
Jan 9, 3:21 AM MSTNON-TSTM WND GST 882 Ene Marshall, CO53 MPH SUSTAINED.
Jan 9, 3:21 AM MSTNON-TSTM WND GST 883 Wsw Louisville, CO53 MPH
Jan 9, 3:26 AM MSTNON-TSTM WND GST 652 Wsw Gunbarrel, COMESONET STATION 2 WSW GUNBARREL /D0417/.
Jan 9, 4:00 AM MSTNON-TSTM WND GST 713 Sw Rocky Flats, COMESONET STATION 2 SW ROCKY FLATS /CO109/.
Jan 9, 4:11 AM MSTNON-TSTM WND GST 662 Ne Hygiene, COMESONET STATION 1 NE HYGIENE /AU469/.
Jan 9, 4:16 AM MSTNON-TSTM WND GST 691 E Boulder, COAWOS STATION 1 E BOULDER /BDU/.
Jan 9, 4:17 AM MSTNON-TSTM WND GST 511 Se Ken Caryl, COMESONET STATION 1 SE KEN CARYL /C4784/.
Jan 9, 4:19 AM MSTNON-TSTM WND GST 623 S Boulder, COMESONET STATION 2 SSW BOULDER /E9217/.
Jan 9, 4:24 AM MSTNON-TSTM WND GST 501 W Wheat Ridge, COMESONET STATION WHEAT RIDGE /D9017/.
Jan 9, 4:25 AM MSTNON-TSTM WND GST 563 Nne White Ranch Open, COMESONET STATION 2 NE WHITE RANCH OPEN S /UP709/.
Jan 9, 4:26 AM MSTNON-TSTM WND GST 583 Wnw Leyden, COMESONET STATION 2 WNW LEYDEN /E2549/.
Jan 9, 4:26 AM MSTNON-TSTM WND GST 665 S Lyons, COMESONET STATION 5 S LYONS /E8833/.
Jan 9, 4:34 AM MSTNON-TSTM WND GST 641 S Hygiene, COAWOS STATION 1 S HYGIENE /LMO/.
Jan 9, 4:40 AM MSTNON-TSTM WND GST 562 Sse Lakewood, COMESONET STATION 1 SE LAKEWOOD /E5471/.
Jan 9, 4:47 AM MSTNON-TSTM WND GST 601 Ne Pleasant View, COMESONET STATION PLEASANT VIEW /D0967/.
Jan 9, 4:55 AM MSTNON-TSTM WND GST 56Lakewood, COMESONET STATION LAKEWOOD /D1261/.
Jan 9, 4:55 AM MSTNON-TSTM WND GST 603 Nnw Louviers, COMESONET STATION 3 NNW LOUVIERS /AT112/.
Jan 9, 4:55 AM MSTNON-TSTM WND GST 762 Ne Morrison, COMESONET STATION 2 ENE MORRISON /C8926/.
Jan 9, 4:57 AM MSTNON-TSTM WND GST 682 Se Superior, COAWOS STATION JEFFCO AIRPORT /BJC/.
Jan 9, 5:00 AM MSTHIGH SUST WINDS 502 Nne Rocky Flats, COMESONET STATION 1 NE ROCKY FLATS /RFN/.
Jan 9, 5:00 AM MSTNON-TSTM WND GST 682 Sw Broomfield, COKBJC OB.
Jan 9, 5:00 AM MSTNON-TSTM WND GST 683 Wnw Westminster, COKBJC OB
Jan 9, 5:04 AM MSTNON-TSTM WND GST 823 W Louisville, COCDOT SENSOR. 1.4 W MCCASLIN BLVD
Jan 9, 5:04 AM MSTNON-TSTM WND GST 823 W Louisville, COCDOT SENSOR. 1.4 W MCCASLIN BLVD.
Jan 9, 5:07 AM MSTNON-TSTM WND GST 872 S Gold Hill, CO58 MPH SUSTAINED
Jan 9, 5:07 AM MSTNON-TSTM WND GST 872 S Gold Hill, CO58 MPH SUSTAINED.
Jan 9, 5:44 AM MSTNON-TSTM WND GST 661 Wsw Chatfield Reservo, COMESONET STATION CHATFIELD RESERVOIR /CO007/.
Jan 9, 6:00 AM MSTNON-TSTM WND GST 53Kassler, COMESONET STATION KASSLER /E6108/.
Jan 9, 6:05 AM MSTNON-TSTM WND GST 533 Nnw Longmont, COMESONET STATION 2 NNW LONGMONT /E2670/.
Jan 9, 6:35 AM MSTNON-TSTM WND GST 561 Ssw Erie, COAWOS STATION 1 SSW ERIE /EIK/.
Jan 9, 6:36 AM MSTNON-TSTM WND GST 573 Ene Buckhorn Mountain, COMESONET STATION 2 ENE BUCKHORN MOUNTAIN /E6545/.
Jan 9, 6:45 AM MSTNON-TSTM WND GST 632 Nnw Louisville, COMESONET STATION 1 NNW LOUISVILLE /LEWC2/.
Jan 9, 7:12 AM MSTNON-TSTM WND GST 552 Nne Natural Fort Rest, COMESONET STATION 2 NNE NATURAL FORT REST /CO041/.
Jan 9, 7:47 AM MSTNON-TSTM WND GST 623 Wsw Campion, COMESONET STATION 2 WSW CAMPION /E9505/.
Jan 9, 9:00 AM MSTNON-TSTM WND GST 581 Nw Loveland Pass, COMESONET STATION 1 WNW LOVELAND PASS /CALVP/.
Jan 9, 9:20 AM MSTNON-TSTM WND GST 512 W Boulder, COMESONET STATION 1 W BOULDER /E8078/.
Jan 9, 9:41 AM MSTNON-TSTM WND GST 542 Nw Grandview Estates, COASOS STATION CENTENNIAL AIRPORT /APA/.
Jan 9, 9:50 AM MSTNON-TSTM WND GST 531 E Smoky Hill, COMESONET STATION 1 E SMOKY HILL /E9391/.
Jan 9, 10:02 AM MSTNON-TSTM WND GST 502 Wnw Parker, COMESONET STATION 1 WNW PARKER /E6996/.
Jan 9, 10:04 AM MSTNON-TSTM WND GST 534 Ene Parker, COMESONET STATION 3 ENE PARKER /E4043/.
Jan 9, 10:22 AM MSTNON-TSTM WND GST 65Virginia Dale, COMESONET STATION VIRGINIA DALE /CO036/.

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 12:00Z, 6.4 hours before the alert went out and 158 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 12:00Z on 2017-01-08Temperature 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 12:00Z on 2017-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897117Sfc1 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
1813 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
341 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

378 
WWUS75 KBOU 081824
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1124 AM MST SUN JAN 8 2017

...HIGH WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS LATE TONIGHT 
AND MONDAY...

.POWERFUL WESTERLY FLOW ALOFT IS EXPECTED PRODUCE VERY STRONG AND
GUSTY CHINOOK WINDS IN THE FRONT RANGE FOOTHILLS LATE TONIGHT 
AND MONDAY. THE STRONG WINDS MAY ALSO SPREAD ONTO THE NEAR BY
LOWER ELEVATIONS WEST OF INTERSTATE 25. WIND GUSTS ARE EXPECTED  
EXCEED 75 MPH IN AREAS PRONE TO HIGH WINDS SUCH AS ALONG THE PEAK-
TO-PEAK HIGHWAY AND THE CANYONS OF LARIMER...BOULDER AND 
JEFFERSON COUNTIES. THE STRONG WINDS MAY ALSO PRODUCE BLOWING 
SNOW IN OPEN AREAS THAT COULD REDUCE VISIBILITIES TO NEAR ZERO AT 
TIMES.

COZ035-036-090400-
/O.UPG.KBOU.HW.A.0001.170109T0600Z-170109T1900Z/
/O.NEW.KBOU.HW.W.0001.170109T0600Z-170110T0000Z/
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 ESTES PARK, GLENDEVEY, NEDERLAND, 
RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, 
IDAHO SPRINGS, AND WESTCREEK
1124 AM MST SUN JAN 8 2017

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING, WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...FROM 11 PM MST SUNDAY NIGHT TO 5 PM MST MONDAY.

* WINDS/VISIBILITY...WEST WINDS 30 TO 45 MPH WITH PEAKS GUSTS OF
  75 TO 90 MPH. VISIBILITY WILL BE REDUCE TO NEAR ZERO AT TIMES
  DUE TO BLOWING SNOW.

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE 
  DAMAGE TO POWER LINES AND DISRUPT POWER. TRAVEL COULD BE 
  SEVERELY HAMPERED DUE TO BLOWING SNOW AND FLYING DEBRIS. 
  DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES SHOULD BE 
  ESPECIALLY ALERT FOR STRONG AND SUDDEN CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 50 MPH...OR GUSTS OF
75 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER
SERVICE.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

COZ038-039-090400-
/O.NEW.KBOU.HW.A.0002.170109T0900Z-170110T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF FORT COLLINS, HEREFORD, LOVELAND, NUNN, 
ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
1124 AM MST SUN JAN 8 2017

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH, WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON. 

* TIMING...LATE TONIGHT THROUGH MONDAY AFTERNOON.

* WINDS...WEST WINDS 25 TO 40 MPH WITH PEAKS GUSTS OF 60 TO 80 MPH
  WILL BE POSSIBLE.

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE
  DAMAGE TO POWER LINES AND DISRUPT POWER. TRAVEL COULD BE
  HAMPERED DUE TO BLOWING SNOW AND FLYING DEBRIS. DRIVERS OF LIGHT
  WEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY ALERT FOR
  STRONG AND SUDDEN CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
5 follow-up statements
153 
WWUS75 KBOU 090322
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
822 PM MST SUN JAN 8 2017

...HIGH WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS LATE TONIGHT
AND MONDAY...

.POWERFUL WESTERLY FLOW ALOFT IS EXPECTED PRODUCE VERY STRONG AND
GUSTY CHINOOK WINDS IN THE FRONT RANGE FOOTHILLS LATE TONIGHT AND
MONDAY. THE STRONG WINDS WILL ALSO SPREAD ONTO PORTIONS OF THE
NEARBY ADJACENT PLAINS EARLY MONDAY MORNING. WIND GUSTS ARE 
EXPECTED EXCEED 75 MPH IN AREAS PRONE TO HIGH WINDS SUCH AS ALONG 
THE PEAK TO PEAK HIGHWAY AND THE CANYONS OF LARIMER...BOULDER AND 
JEFFERSON COUNTIES. THE STRONG WINDS MAY ALSO PRODUCE BLOWING SNOW
IN OPEN AREAS THAT COULD PRODUCE SLICK ROADS AND LOCALLY REDUCED 
VISIBILITIES.

COZ038-039-091300-
/O.UPG.KBOU.HW.A.0002.170109T0900Z-170110T0000Z/
/O.EXB.KBOU.HW.W.0001.170109T0900Z-170110T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
822 PM MST SUN JAN 8 2017

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING, WHICH IS IN EFFECT FROM 2 AM TO 5 PM MST MONDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...WINDS ARE EXPECTED TO INCREASE LATE TONIGHT OR EARLY
  MONDAY MORNING. THE STRONGEST WINDS WILL OCCUR LATE MONDAY
  MORNING INTO THE AFTERNOON BEFORE DECREASING BY EVENING.

* WINDS...WEST WINDS 25 TO 40 MPH WITH PEAKS GUSTS OF 60 TO 80 MPH.

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE
  DAMAGE TO POWER LINES AND DISRUPT POWER. TRAVEL COULD BE
  HAMPERED DUE TO STRONG CROSS WINDS AND LOCAL BLOWING SNOW.
  DRIVERS OF LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE 
  ESPECIALLY ALERT FOR STRONG AND SUDDEN CROSS WINDS. 

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 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

COZ041-091300-
/O.EXB.KBOU.HW.W.0001.170109T0900Z-170110T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
822 PM MST SUN JAN 8 2017

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING, WHICH IS IN EFFECT FROM 2 AM TO 5 PM MST MONDAY. 

* TIMING...WINDS ARE EXPECTED TO INCREASE MONDAY MORNING. THE
  STRONG WINDS WILL CONTINUE THROUGH THE AFTERNOON BEFORE
  DECREASING MONDAY EVENING.

* WINDS/VISIBILITY...WEST WINDS 25 TO 40 MPH WITH PEAKS GUSTS IN
  EXCESS OF 60 MPH.

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE
  DAMAGE TO POWER LINES AND DISRUPT POWER. DRIVERS OF LIGHTWEIGHT
  AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY ALERT FOR STRONG
  AND SUDDEN CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS 
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

COZ035-036-091300-
/O.CON.KBOU.HW.W.0001.170109T0600Z-170110T0000Z/
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-
822 PM MST SUN JAN 8 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

* TIMING...FROM 11 PM MST SUNDAY NIGHT TO 5 PM MST MONDAY.

* WINDS/VISIBILITY...WEST WINDS 30 TO 45 MPH WITH PEAKS GUSTS OF
  75 TO 90 MPH. VISIBILITY WILL BE LOCALLY REDUCED DUE TO BLOWING
  AND DRIFTING SNOW.  

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE
  DAMAGE TO POWER LINES AND DISRUPT POWER. TRAVEL COULD BE
  SEVERELY HAMPERED DUE TO BLOWING SNOW AND FLYING DEBRIS. DRIVERS
  OF LIGHTWEIGHT AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY  
  ALERT FOR STRONG AND SUDDEN CROSS WINDS. 

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 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. 

&&

$$
915 
WWUS75 KBOU 090953
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
253 AM MST MON JAN 9 2017

...HIGH WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS TODAY...

.POWERFUL WESTERLY FLOW ALOFT WILL PRODUCE VERY STRONG AND GUSTY 
CHINOOK WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS TODAY. WIND 
GUSTS OF 75 TO 90 MPH ARE EXPECTED IN AREAS PRONE TO HIGH WINDS 
SUCH AS ALONG THE PEAK TO PEAK HIGHWAY...THE CANYONS OF LARIMER...
BOULDER AND JEFFERSON COUNTIES...AND THE ROCKY FLATS AND CARTER
LAKE AREAS. THE STRONG WINDS MAY PRODUCE BLOWING SNOW IN OPEN 
AREAS THAT COULD PRODUCE SLICK ROADS AND LOCALLY REDUCED 
VISIBILITIES.

WIND GUSTS OF 50 TO 75 MPH WERE BECOMING COMMON IN AND NEAR THE
FOOTHILLS EARLY THIS MORNING. GUSTS AS HIGH AS 87 MPH WERE RECORDED
NEAR GOLD HILL IN THE BOULDER COUNTY FOOTHILLS. THE WINDS WILL 
LIKELY STRENGTHEN LATER THIS MORNING. 

COZ035-036-038-039-041-091900-
/O.CON.KBOU.HW.W.0001.000000T0000Z-170110T0000Z/
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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, 
RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, 
IDAHO SPRINGS, WESTCREEK, FORT COLLINS, HEREFORD, LOVELAND, NUNN,
ARVADA, BOULDER, GOLDEN, LAKEWOOD, LONGMONT, CASTLE ROCK, ELBERT,
FONDIS, KIOWA, AND LARKSPUR
253 AM MST MON JAN 9 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...THE STRONGEST WINDS WILL LIKELY BE THIS MORNING...BUT
  IT WILL REMAIN WINDY THIS AFTERNOON.

* WINDS/VISIBILITY...WEST WINDS 30 TO 45 MPH WITH PEAKS GUSTS OF 
  75 TO 90 MPH. VISIBILITY WILL BE LOCALLY REDUCED DUE TO 
  BLOWING AND DRIFTING SNOW. 

* IMPACTS...THE VERY STRONG AND GUSTY CHINOOK WINDS COULD CAUSE
  DAMAGE TO TREES AND POWER LINES AND DISRUPT POWER. WINDS MAY
  CAUSE SLICK ROADS FROM DRIFTING SNOW. DRIVERS OF LIGHTWEIGHT AND
  HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY ALERT FOR STRONG AND
  SUDDEN CROSS WINDS. 

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 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$

GIMMESTAD
015 
WWUS75 KBOU 091848
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1148 AM MST MON JAN 9 2017

...STRONG AND VERY GUSTY CHINOOK WINDS TO CONTINUE IN AND NEAR 
THE FRONT RANGE FOOTHILLS TODAY...

.POWERFUL WESTERLY FLOW ALOFT, THE PRESENCE OF A MOUNTAIN WAVE 
AND A LARGE CROSS MOUNTAIN PRESSURE GRADIENT WILL CONTINUE TO 
PRODUCE STRONG AND VERY GUSTY CHINOOK WINDS OVER AND NEAR THE 
FRONT RANGE FOOTHILLS TODAY. SUSTAINED WEST TO SOUTHWEST WINDS OF
30 TO 45 MPH AND GUSTS TO AROUND 75 MPH ARE LIKELY IN AREAS PRONE
TO HIGH WINDS SUCH AS ALONG THE PEAK-TO-PEAK HIGHWAY...ALONG 
HIGHWAY 36 FROM LYONS TO ESTES PARK, IN THE CANYONS OF LARIMER, 
BOULDER AND JEFFERSON COUNTIES, AND IN THE ROCKY FLATS AND CARTER
LAKE AREAS. THE STRONG WINDS IN THE FOOTHILLS MAY PRODUCE BLOWING
SNOW THAT COULD PRODUCE SLICK ROADS AND LOCALLY REDUCED 
VISIBILITIES.

WINDS WILL WEAKEN LATE THIS AFTERNOON AND THROUGH THE EVENING 
ALTHOUGH GUSTS TO AROUND 50 MPH WILL STILL BE POSSIBLE IN THE 
FOOTHILLS. 

COZ035-036-038-039-041-100000-
/O.CON.KBOU.HW.W.0001.000000T0000Z-170110T0000Z/
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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, 
RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, 
IDAHO SPRINGS, WESTCREEK, FORT COLLINS, HEREFORD, LOVELAND, NUNN,
ARVADA, BOULDER, GOLDEN, LAKEWOOD, LONGMONT, CASTLE ROCK, ELBERT,
FONDIS, KIOWA, AND LARKSPUR
1148 AM MST MON JAN 9 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...STRONGEST WINDS EXPECTED THROUGH MID-AFTERNOON...THEN 
  DECREASING SPEEDS LATE IN THE AFTERNOON. 

* WINDS/VISIBILITY...SUSTAINED WEST WINDS 30 TO 45 MPH WITH PEAKS
  GUSTS TO AROUND 75 MPH IN AREAS PRONE TO HIGH WINDS. BLOWING SNOW
  IN THE HIGHER FOOTHILLS MAY BRIEFLY REDUCE VISIBILITIES TO NEAR
  ZERO. 

* IMPACTS...THE STRONG AND VERY GUSTY CHINOOK WINDS MAY CAUSE
  DAMAGE TO TREES AND POWER LINES AND DISRUPT POWER. WINDS MAY
  ALSO CREATE SLICK ROADS FROM DRIFTING SNOW. DRIVERS OF LIGHTWEIGHT
  AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY ALERT FOR STRONG
  AND SUDDEN CROSS WINDS. 

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 75 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

&&

$$
BAKER
433 
WWUS75 KBOU 092144
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
244 PM MST MON JAN 9 2017

...HIGH WIND THREAT COMING TO AN END IN AND NEAR THE FRONT RANGE 
FOOTHILLS...

.WINDS HAVE WEAKEN THIS AFTERNOON IN AND NEAR THE FRONT RANGE
FOOTHILLS IN NORTHERN COLORADO. THIS DOWNWARD TREND IS EXPECTED 
TO CONTINUE FOR THE REMAINDER OF THE AFTERNOON AND INTO THE
EVENING. ALTHOUGH WIND GUSTS TO AROUND 50 MPH ARE STILL POSSIBLE
IN THE FOOTHILLS THROUGH THIS EVENING. 
 

COZ035-036-038-039-041-092245-
/O.EXT.KBOU.HW.W.0001.000000T0000Z-170109T2200Z/
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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, 
RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, 
IDAHO SPRINGS, WESTCREEK, FORT COLLINS, HEREFORD, LOVELAND, NUNN,
ARVADA, BOULDER, GOLDEN, LAKEWOOD, LONGMONT, CASTLE ROCK, ELBERT,
FONDIS, KIOWA, AND LARKSPUR
244 PM MST MON JAN 9 2017

...HIGH WIND WARNING CANCELLED AT 3 PM MST THIS AFTERNOON...

* TIMING...WIND SPEEDS WILL CONTINUE TO DECREASE REST OF THIS 
  AFTERNOON.

* WINDS/VISIBILITY...GUSTS TO AROUND 50 MPH MAY STILL PRODUCE
  BLOWING SNOW IN OPEN AREA. 

* IMPACTS...THE GUSTY CHINOOK WINDS PRODUCING BLOWING SNOW MAY
  STILL PRODUCE ICY AND SNOW COVERED ROADS. DRIVERS OF LIGHTWEIGHT
  AND HIGH PROFILE VEHICLES SHOULD BE ESPECIALLY ALERT FOR SUDDEN
  CROSS WINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HAZARDOUS HIGH WIND CONDITIONS NO LONGER EXIST. THEREFORE THE HIGH
WIND WARNING WILL BE CANCELLED AT 3 PM MST TODAY. 

&&

$$
BAKER
809 
WWUS75 KBOU 092209
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
309 PM MST MON JAN 9 2017

COZ035-036-038-039-041-092315-
/O.EXP.KBOU.HW.W.0001.000000T0000Z-170109T2200Z/
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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, 
RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, 
IDAHO SPRINGS, WESTCREEK, FORT COLLINS, HEREFORD, LOVELAND, NUNN,
ARVADA, BOULDER, GOLDEN, LAKEWOOD, LONGMONT, CASTLE ROCK, ELBERT,
FONDIS, KIOWA, AND LARKSPUR
309 PM MST MON JAN 9 2017

...HIGH WIND WARNING HAS EXPIRED...

THE HIGH WIND THREAT FOR THE FRONT RANGE FOOTHILLS AND NEARBY 
PLAINS HAS ENDED. WIND GUSTS FORM 35 TO 50 MPH IN THE FOOTHILLS 
AND GUSTS TO AROUND 30 MPH ARE STILL POSSIBLE ON THE NEARBY PLAINS 
UNTIL EARLY THIS EVENING. THE GUSTY WINDS MAY STILL PRODUCE SOME
BLOWING SNOW IN OPEN AREA OF THE HIGHER FOOTHILLS. 

$$
BAKER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 5:49 AM MSTWinter Weather AdvisoryBOUBoulder, Grand, Jackson, Larimer5 hr
Jan 8, 11:14 AM MSTWinter Storm WarningBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more42 hr
Jan 8, 11:24 AM MSTHigh Wind WatchBOUBoulder, Broomfield, Jefferson, Larimer, Weld9 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.