Alert archive / Colorado / High Wind Warnings in 2018

High Wind Warning 7, NWS Denver/Boulder, CO

April 17, 201819 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Apr 17, 2018, 4:58 AM MDT for 19 counties in Colorado. It took effect at Apr 17, 2018, 6:00 AM MDT. It was in force for 15 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
Apr 17, 2018, 4:58 AM MDT (10:58 UTC)
In effect from
Apr 17, 2018, 6:00 AM MDT
Expired
Apr 17, 2018, 9:00 PM MDT
In force
15 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 22 km from the middle of the area, began a volume at 10:57 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
Apr 17, 8:10 AM MDTNON-TSTM WND GST 56Centennial Airport, COASOS STATION APA, CENTENNIAL AIRPORT.
Apr 17, 8:52 AM MDTNON-TSTM WND GST 53Beverly Hills, COMESONET STATION CO073, BEVERLY HILLS.
Apr 17, 9:00 AM MDTNON-TSTM WND GST 501 Wnw Loveland Pass, COMESONET STATION CALVP, 1 WNW LOVELAND PASS.
Apr 17, 9:03 AM MDTNON-TSTM WND GST 521 Nw Silver Heights, COMESONET STATION CO075, 1 NW SILVER HEIGHTS.
Apr 17, 9:11 AM MDTNON-TSTM WND GST 515 Nnw Ramah, COMESONET STATION E7240, 5 NNW RAMAH.
Apr 17, 9:15 AM MDTNON-TSTM WND GST 507 Ne Ponderosa Park, COMESONET STATION D7154, 7 NE PONDEROSA PARK.
Apr 17, 9:23 AM MDTNON-TSTM WND GST 521 S Cheesman Reservoir, COMESONET STATION CHRC2, 1 S CHEESMAN RESERVOIR.
Apr 17, 9:26 AM MDTNON-TSTM WND GST 615 Nnw Ramah, COMESONET STATION E7240, 5 NNW RAMAH.
Apr 17, 9:32 AM MDTNON-TSTM WND GST 53Berthoud Pass, COAWOS STATION 0CO, BERTHOUD PASS.
Apr 17, 9:33 AM MDTNON-TSTM WND GST 511 Ssw Bennett, COMESONET STATION CO072, 1 SSW BENNETT.
Apr 17, 9:33 AM MDTNON-TSTM WND GST 512 Sw Acres Green, COMESONET STATION C2323, 2 SW ACRES GREEN.
Apr 17, 9:34 AM MDTNON-TSTM WND GST 6212 Ene Kiowa, COMESONET STATION AR864, 12 ENE KIOWA.
Apr 17, 9:40 AM MDTNON-TSTM WND GST 6212 Ene Kiowa, COMESONET STATION AR864, 12 ENE KIOWA.
Apr 17, 9:54 AM MDTNON-TSTM WND GST 511 W Devil'S Head, COMESONET STATION POLC2, 1 W DEVIL'S HEAD.
Apr 17, 10:04 AM MDTNON-TSTM WND GST 531 Wnw Parker, COMESONET STATION E6996, 1 WNW PARKER.
Apr 17, 10:09 AM MDTNON-TSTM WND GST 593 E Gold Hill, COMESONET STATION E4338, 3 E GOLD HILL.
Apr 17, 10:12 AM MDTNON-TSTM WND GST 535 W Elbert, COAWOS STATION MNH, 5 W ELBERT.
Apr 17, 10:13 AM MDTNON-TSTM WND GST 523 E Elizabeth, COMESONET STATION E7966, 3 E ELIZABETH.
Apr 17, 10:23 AM MDTNON-TSTM WND GST 741 S Cheesman Reservoir, COMESONET STATION CHRC2, 1 S CHEESMAN RESERVOIR.
Apr 17, 10:44 AM MDTNON-TSTM WND GST 51Hugo, COMESONET STATION E0539, HUGO.
Apr 17, 10:54 AM MDTNON-TSTM WND GST 511 W Devil'S Head, COMESONET STATION POLC2, 1 W DEVIL'S HEAD.
Apr 17, 11:00 AM MDTNON-TSTM WND GST 611 Wnw Loveland Pass, COMESONET STATION CALVP, 1 WNW LOVELAND PASS.
Apr 17, 11:10 AM MDTNON-TSTM WND GST 57Wilkerson Pass, COMESONET STATION CO027, WILKERSON PASS.
Apr 17, 11:12 AM MDTNON-TSTM WND GST 56Applewood, COMESONET STATION E7094, APPLEWOOD.
Apr 17, 11:25 AM MDTNON-TSTM WND GST 547 Sw Deer Trail, COMESONET STATION E0812, 7 SW DEER TRAIL.
Apr 17, 11:40 AM MDTNON-TSTM WND GST 53Limon Municipal Airport, COASOS STATION LIC, LIMON MUNICIPAL AIRPORT.
Apr 17, 11:54 AM MDTNON-TSTM WND GST 51Hugo, COMESONET STATION E0539, HUGO.
Apr 17, 12:00 PM MDTNON-TSTM WND GST 621 Wnw Loveland Pass, COMESONET STATION CALVP, 1 WNW LOVELAND PASS.
Apr 17, 12:12 PM MDTNON-TSTM WND GST 62Berthoud Pass, COAWOS STATION 0CO, BERTHOUD PASS.
Apr 17, 12:13 PM MDTNON-TSTM WND GST 611 Nw Glen Haven, COMESONET STATION E4490, 1 NW GLEN HAVEN.
Apr 17, 12:55 PM MDTNON-TSTM WND GST 652 Ssw Laporte, CO65.8 MPH GUST ON CSU FOOTHILLS CAMPUS. REPORT VIA TWITTER.
Apr 17, 1:22 PM MDTNON-TSTM WND GST 652 Nne Natural Fort Rest, COMESONET STATION CO041, 2 NNE NATURAL FORT REST.
Apr 17, 1:35 PM MDTNON-TSTM WND GST 621 S Hygiene, COAWOS STATION LMO, 1 S HYGIENE.
Apr 17, 1:42 PM MDTNON-TSTM WND GST 68Briggsdale, COMESONET STATION CO043, BRIGGSDALE.
Apr 17, 1:43 PM MDTNON-TSTM WND GST 658 Ssw Grover, COMESONET STATION C5040, 8 SSW GROVER.
Apr 17, 1:51 PM MDTNON-TSTM WND GST 714 Se Pinecliffe, COSNOW SQUALL WITH ZERO VISIBILITY AND 0.2 INCHES SNOW; SUNNY 15 MINUTES LATER.
Apr 17, 1:53 PM MDTNON-TSTM WND GST 60Jeffco Airport, COAWOS STATION BJC, JEFFCO AIRPORT.
Apr 17, 2:01 PM MDTNON-TSTM WND GST 661 Ne Hygiene, COMESONET STATION AU469, 1 NE HYGIENE.
Apr 17, 2:02 PM MDTNON-TSTM WND GST 652 Ene Wiggins, COMESONET STATION CO039, 2 ENE WIGGINS.
Apr 17, 2:05 PM MDTNON-TSTM WND GST 722 Nnw Longmont, COMESONET STATION E2670, 2 NNW LONGMONT.
Apr 17, 2:07 PM MDTNON-TSTM WND GST 622 Ene Longmont, COMESONET STATION AR720, 2 ENE LONGMONT.
Apr 17, 2:10 PM MDTNON-TSTM WND GST 59Limon Municipal Airport, COASOS STATION LIC, LIMON MUNICIPAL AIRPORT.
Apr 17, 2:10 PM MDTNON-TSTM WND GST 604 Nnw Nunn, COMESONET STATION UP718, 4 NNW NUNN.
Apr 17, 2:10 PM MDTNON-TSTM WND GST 682 Ne White Ranch Open S, COMESONET STATION UP709, 2 NE WHITE RANCH OPEN S.
Apr 17, 2:12 PM MDTNON-TSTM WND GST 622 Se Wattenburg, CO
Apr 17, 2:12 PM MDTNON-TSTM WND GST 662 N Campion, COMESONET STATION CO108, 2 N CAMPION.
Apr 17, 2:12 PM MDTNON-TSTM WND GST 681 E Boulder, COAWOS STATION BDU, 1 E BOULDER.
Apr 17, 2:13 PM MDTNON-TSTM WND GST 662 Se Loveland, COMESONET STATION D5856, 2 SE LOVELAND.
Apr 17, 2:14 PM MDTNON-TSTM WND GST 594 W Buckley Angb, COMESONET STATION CO024, 4 W BUCKLEY ANGB.
Apr 17, 2:14 PM MDTNON-TSTM WND GST 601 Sw Pleasant View, COMESONET STATION CO008, 1 SW PLEASANT VIEW.
Apr 17, 2:15 PM MDTNON-TSTM WND GST 611 Nne Boulder, CO
Apr 17, 2:17 PM MDTNON-TSTM WND GST 512 W Loveland, COWINDS SUSTAINED 35-40 MPH IN WEST LOVELAND RIGHT NOW WITH GUSTS 50+.
Apr 17, 2:17 PM MDTNON-TSTM WND GST 512 W Loveland, COWINDS SUSTAINED 35-40 MPH IN WEST LOVELAND RIGHT NOW WITH GUSTS 50+.
Apr 17, 2:18 PM MDTNON-TSTM WND GST 832 Nw Rocky Flats, CO
Apr 17, 2:20 PM MDTNON-TSTM WND GST 634 Ese Erie, COMESONET STATION CO010, 4 ESE ERIE.
Apr 17, 2:21 PM MDTNON-TSTM WND GST 672 Nw Brighton, CODUST AND SNAPPED TREE LIMBS.
Apr 17, 2:22 PM MDTNON-TSTM WND GST 642 Wsw Gunbarrel, COMESONET STATION D0417, 2 WSW GUNBARREL.
Apr 17, 2:22 PM MDTNON-TSTM WND GST 67Superior, COMESONET STATION D7772, SUPERIOR.
Apr 17, 2:22 PM MDTNON-TSTM WND GST 692 W Keenesburg, COMESONET STATION CO038, 2 W KEENESBURG.
Apr 17, 2:25 PM MDTNON-TSTM WND GST 813 N Eldorado Springs, 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, 11.0 hours before the alert went out and 99 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 2018-04-17Temperature 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 2018-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.1939587897Sfc1 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
3544 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
186 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

230 
WWUS75 KBOU 171058
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
458 AM MDT Tue Apr 17 2018

...Strong Winds expected over the Plains and Palmer
Divide today into early this evening...


COZ041-171900-
/O.UPG.KBOU.HW.A.0007.180417T1700Z-180418T0300Z/
/O.NEW.KBOU.HW.W.0007.180417T1200Z-180418T0000Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Castle Rock, Elbert, Fondis, Kiowa, 
and Larkspur
458 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect until 6 PM MDT this evening. The High
Wind Watch is no longer in effect. 

* TIMING...This morning through 6 pm this evening.

* WINDS...Westerly winds 30 to 45 mph with gusts to 65 mph 
  possible. 

* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust are possible. Power outages, tree damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and
high profile vehicles. Loose outdoor items should be brought
inside or secured properly. 

&&

$$

COZ040-042>049-171900-
/O.UPG.KBOU.HW.A.0007.180417T1700Z-180418T0300Z/
/O.NEW.KBOU.HW.W.0007.180417T1700Z-180418T0300Z/
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-Northeast Weld County-
Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-
Including the cities of Aurora, Brighton, City of Denver, 
Denver International Airport, Highlands Ranch, Littleton, Parker,
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, and Otis
458 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 11 AM this morning to 9 PM MDT
this evening. The High Wind Watch is no longer in effect. 

* TIMING...Late this morning through this evening.

* WINDS...Westerly winds 30 to 45 mph with gusts to 60 mph 
  possible. 

* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust are possible. Power outages, tree damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and
high profile vehicles. Loose outdoor items should be brought
inside or secured properly. 

&&

$$

COZ038-171900-
/O.NEW.KBOU.HW.W.0007.180417T1700Z-180418T0300Z/
Larimer County Below 6000 Feet/Northwest Weld County-
Including the cities of Fort Collins, Hereford, Loveland, 
and Nunn
458 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 9 PM
MDT THIS EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 11 AM this morning to 9 PM MDT
this evening. 

* TIMING...Late this morning through this evening.

* WINDS... Westerly winds 30 to 45 mph with gusts to 65 mph 
  possible. 

* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust are possible. Power outages, tree damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and
high profile vehicles. Loose outdoor items should be brought
inside or secured properly. 

&&

$$

COZ050-051-171900-
/O.EXT.KBOU.HW.A.0007.180417T2100Z-180418T0300Z/
Sedgwick County-Phillips County-
Including the cities of Julesburg, Ovid, Sedgwick, Amherst, 
Haxtun, and Holyoke
458 AM MDT Tue Apr 17 2018

...HIGH WIND WATCH NOW IN EFFECT FROM 3 PM MDT THIS AFTERNOON
THROUGH THIS EVENING...

* TIMING...Late this afternoon through this evening.

* WINDS...Westerly winds 30 to 40 mph with gusts to 55 mph 
  possible. 

* IMPACTS...Strong winds may create difficult travel, especially
  for light weight or high profile vehicles. Power outages, tree 
  damage, and minor damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Strong winds may lead to property damage.
Hazardous driving conditions due to powerful cross winds will be
possible for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly. Continue to monitor the latest forecasts.

&&

$$
4 follow-up statements
220 
WWUS75 KBOU 171442
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
842 AM MDT Tue Apr 17 2018

...Strong Winds expected over the Plains and Palmer Divide today
into early this evening...

COZ050-051-180000-
/O.UPG.KBOU.HW.A.0007.180417T2100Z-180418T0300Z/
/O.EXB.KBOU.HW.W.0007.180417T2100Z-180418T0300Z/
Sedgwick County-Phillips County-
Including the cities of Julesburg, Ovid, Sedgwick, Amherst, 
Haxtun, and Holyoke
842 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 3 PM this afternoon to 9 PM MDT
this evening. The High Wind Watch is no longer in effect. 

* TIMING...Late this afternoon through this evening.

* WINDS...West to northwest 30 to 40 mph with gusts to 60 mph. 

* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Power outages, tree 
  damage, and minor damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and
high profile vehicles. Loose outdoor items should be brought
inside or secured properly. 

&&

$$

COZ041-180000-
/O.CON.KBOU.HW.W.0007.000000T0000Z-180418T0000Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Castle Rock, Elbert, Fondis, Kiowa, 
and Larkspur
842 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...This morning through 6 pm this evening.

* WINDS...Westerly 30 to 45 mph with gusts to 65 mph.
 
* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust are possible. Power outages, tree damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$

COZ038-040-042>049-180000-
/O.CON.KBOU.HW.W.0007.180417T1700Z-180418T0300Z/
Larimer County Below 6000 Feet/Northwest Weld County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-Northeast Weld County-
Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Aurora, Brighton, City of Denver, Denver International Airport, 
Highlands Ranch, Littleton, Parker, Briggsdale, Grover, 
Pawnee Buttes, Raymer, Stoneham, Eaton, Fort Lupton, Greeley, 
Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, 
Deer Trail, Leader, Agate, Hugo, Limon, Matheson, Forder, Karval,
Kutch, Punkin Center, Crook, Merino, Sterling, Peetz, Akron, 
Cope, Last Chance, and Otis
842 AM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Late this morning through this evening.

* WINDS...Westerly 30 to 45 mph with gusts to 60 mph. 

* IMPACTS...Strong winds may create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust are possible. Power outages, tree damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$
563 
WWUS75 KBOU 172025
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
225 PM MDT Tue Apr 17 2018

...Strong Winds on the Plains and Palmer Divide of Northeast and 
North Central Colorado Today and Early this Evening...

COZ035-036-039-180000-
/O.EXA.KBOU.HW.W.0007.000000T0000Z-180418T0000Z/
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-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including the cities of Estes Park, Glendevey, Nederland, 
Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, 
Idaho Springs, Westcreek, Arvada, Boulder, Golden, Lakewood, 
and Longmont
225 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect until 6 PM MDT this evening. 

* TIMING...Through 6 pm MDT this evening.

* WINDS...Westerly 35 to 60 mph with gusts to 75 mph.

* IMPACTS...Strong winds will create very difficult travel, 
  especially for light weight or high profile vehicles. Areas 
  of blowing dust are possible. Power outages, tree damage, and 
  minor damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$

COZ038-040-042>049-180300-
/O.CON.KBOU.HW.W.0007.000000T0000Z-180418T0300Z/
Larimer County Below 6000 Feet/Northwest Weld County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-Northeast Weld County-
Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Aurora, Brighton, City of Denver, Denver International Airport, 
Highlands Ranch, Littleton, Parker, Briggsdale, Grover, 
Pawnee Buttes, Raymer, Stoneham, Eaton, Fort Lupton, Greeley, 
Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, 
Deer Trail, Leader, Agate, Hugo, Limon, Matheson, Forder, Karval,
Kutch, Punkin Center, Crook, Merino, Sterling, Peetz, Akron, 
Cope, Last Chance, and Otis
225 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Late this morning through this evening.

* WINDS...Westerly 30 to 50 mph with gusts to 65 mph.

* IMPACTS...Strong winds will create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust may severely reduce visibilities. Power outages, tree 
  and fence damage, and minor damage to buildings are also 
  possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$

COZ050-051-180300-
/O.CON.KBOU.HW.W.0007.180417T2100Z-180418T0300Z/
Sedgwick County-Phillips County-
Including the cities of Julesburg, Ovid, Sedgwick, Amherst, 
Haxtun, and Holyoke
225 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Late this afternoon through this evening.

* WINDS...West to northwest 30 to 40 mph with gusts to 60 mph.

* IMPACTS...Strong winds will create difficult travel, especially 
  for light weight or high profile vehicles. Power outages, tree 
  and fence damage, and minor damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$

COZ041-180000-
/O.CON.KBOU.HW.W.0007.000000T0000Z-180418T0000Z/
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including the cities of Castle Rock, Elbert, Fondis, Kiowa, 
and Larkspur
225 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

* TIMING...Through 6 pm MDT this evening.

* WINDS...Westerly 30 to 45 mph with gusts to around 65 mph.

* IMPACTS...Strong winds will create difficult travel, especially 
  for light weight or high profile vehicles. Areas of blowing 
  dust is likely. Power outages, tree and fence damage, and minor 
  damage to buildings are also possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$
Baker
713 
WWUS75 KBOU 180008
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
608 PM MDT Tue Apr 17 2018

...WINDS ARE STILL HOWLING EARLY THIS EVENING ON THE EASTERN
PLAINS...BUT DECREASING SLOWLY ALONG THE FRONT RANGE...

COZ038-040-043-180115-
/O.CAN.KBOU.HW.W.0007.000000T0000Z-180418T0300Z/
Larimer County Below 6000 Feet/Northwest Weld County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Central and South Weld County-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Aurora, Brighton, City of Denver, Denver International Airport, 
Highlands Ranch, Littleton, Parker, Eaton, Fort Lupton, Greeley, 
and Roggen
608 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IS CANCELLED...

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

Winds will continue to slowly decrease through the evening hours.
Peak gusts earlier today reached 60 to 70 mph in most locations
along the Front Range, with peak gusts of 75 to 89 mph closer to
the foothills. 

$$

COZ035-036-039-041-180115-
/O.EXP.KBOU.HW.W.0007.000000T0000Z-180418T0000Z/
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-
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, Arvada, Boulder, Golden, Lakewood, 
Longmont, Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
608 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING HAS EXPIRED...

Winds will continue to slowly decrease through the rest of the
evening.  Peak gusts earlier today reached 60 to 70 mph in most 
locations along the Front Range, with peak gusts of 75 to 89 mph 
closer to the foothills. 

$$

COZ042-044>051-180300-
/O.CON.KBOU.HW.W.0007.000000T0000Z-180418T0300Z/
Northeast Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
Including the cities of Briggsdale, Grover, Pawnee Buttes, 
Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Bennett,
Byers, Deer Trail, Leader, Agate, Hugo, Limon, Matheson, Forder, 
Karval, Kutch, Punkin Center, Crook, Merino, Sterling, Peetz, 
Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
608 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Late this morning through this evening.

* WINDS...Northwest 30 to 45 mph with gusts to 60 mph, decreasing
  to 20 to 25 mph with gusts to 45 mph by 9 PM. 

* IMPACTS...Strong winds will create difficult travel, 
  especially for light weight or high profile vehicles. Areas of 
  blowing dust may severely reduce visibilities. Power outages, 
  tree and fence damage, and minor damage to buildings are also 
  possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$
098 
WWUS75 KBOU 180258
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
858 PM MDT Tue Apr 17 2018

COZ042-044>051-180400-
/O.EXP.KBOU.HW.W.0007.000000T0000Z-180418T0300Z/
Northeast Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
Including the cities of Briggsdale, Grover, Pawnee Buttes, 
Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Bennett,
Byers, Deer Trail, Leader, Agate, Hugo, Limon, Matheson, Forder, 
Karval, Kutch, Punkin Center, Crook, Merino, Sterling, Peetz, 
Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
858 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

Winds were finally decreasing across the northeast plains of
Colorado late this evening. Winds overnight will mostly range
between 15 and 25 mph with gusts around 45 mph through midnight.

Peak wind gusts from the high wind event this afternoon into 
early evening ranged between 55 and 70 mph across most of the 
plains, with a few gusts reaching 70 to 89 mph near the Front 
Range Foothills. 

$$

Nearby

High Wind Warnings in Colorado, 2018Every high wind warning in 2018

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.