Alert archive / Colorado / High Wind Warnings in 2018
High Wind Warning 10, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Dec 18, 2018, 9:57 AM MST for 9 counties in Colorado. It took effect at Dec 19, 2018, 8:00 AM MST. It was in force for 9 hr. 4 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
- Dec 18, 2018, 9:57 AM MST (16:57 UTC)
- In effect from
- Dec 19, 2018, 8:00 AM MST
- Expired
- Dec 19, 2018, 5:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Elbert County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 50 km from the middle of the area, began a volume at 16:59 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 19, 9:35 AM MST | NON-TSTM WND GST 58 | 3 Ese Buckeye, CO | MESONET STATION BEYC2, 4 E BUCKEYE. |
| Dec 19, 10:24 AM MST | NON-TSTM WND GST 53 | 5 W Elbert, CO | AWOS STATION MNH, 5 W ELBERT. |
| Dec 19, 11:17 AM MST | NON-TSTM WND GST 51 | 1 Ene Limon, CO | ASOS STATION LIC, LIMON MUNICIPAL AIRPORT. |
| Dec 19, 1:50 PM MST | NON-TSTM WND GST 52 | 3 Wsw Sterling, CO | AWOS STATION STK, STERLING. |
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, 5.0 hours before the alert went out and 70 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2415 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
132 WWUS75 KBOU 181657 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 957 AM MST Tue Dec 18 2018 ...HIGH WINDS EXPECTED ON WEDNESDAY... .A strong upper level jet stream will develop over Colorado tonight and Wednesday which is expected to bring a period of strong northwesterly winds to the northeast plains of Colorado. The winds will produce areas of blowing dust. Winds are expected to increase by late Wednesday morning and then continue most of the afternoon. The strong winds and dry vegetation will result in elevated fire danger during the same time period. Avoid outdoor burning. COZ038-042>049-190100- /O.UPG.KBOU.HW.A.0008.181219T1500Z-181220T0000Z/ /O.NEW.KBOU.HW.W.0010.181219T1500Z-181220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld 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, 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 957 AM MST Tue Dec 18 2018 ...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 5 PM MST WEDNESDAY... The National Weather Service in Denver has issued a High Wind Warning, which is in effect from 8 AM to 5 PM MST Wednesday. The High Wind Watch is no longer in effect. * TIMING...8 AM MST through 5 PM MST. * WINDS...Northwest winds 30 to 40 MPH with gusts up to 60 MPH possible. * IMPACTS...Areas of blowing dust restricting visibility. Strong crosswinds on highways resulting in hazardous travel for high profile vehicles. Possible power outages caused by downed power lines. The strong winds and dry vegetation will result in elevated fire danger. 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. && $$
4 follow-up statements
250 WWUS75 KBOU 190209 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 709 PM MST Tue Dec 18 2018 ...HIGH WINDS EXPECTED ON WEDNESDAY... .A strong upper level jet stream will develop over Colorado tonight and Wednesday which will produce a period of strong northwesterly winds over the northeast plains of Colorado. The winds are expected to increase by late Wednesday morning and then continue into the afternoon. The winds will produce areas of blowing dust and reduced visibilities at times. In addition, the combination of strong wind and dry vegetation will result in elevated fire danger. Avoid outdoor burning. COZ038-042>049-191200- /O.CON.KBOU.HW.W.0010.181219T1500Z-181220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld 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, 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 709 PM MST Tue Dec 18 2018 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 5 PM MST WEDNESDAY... * TIMING...8 AM MST through 5 PM MST. * WINDS...Northwest winds 30 to 40 MPH with gusts up to 60 MPH possible. * IMPACTS...Areas of blowing dust restricting visibility. Strong crosswinds on highways resulting in hazardous travel for high profile vehicles. Possible power outages caused by downed power lines. The strong winds and dry vegetation will result in elevated fire danger. 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. && $$
064 WWUS75 KBOU 191152 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 452 AM MST Wed Dec 19 2018 ...HIGH WINDS EXPECTED TODAY... .A strong upper level jet stream will develop over Colorado today which will produce a period of strong northwesterly winds over the northeast plains of Colorado. The winds are expected to increase by late this morning and then continue into the afternoon. The winds will produce areas of blowing dust and reduced visibilities at times. In addition, the combination of strong wind and dry vegetation will result in elevated fire danger. Avoid outdoor burning. COZ038-042>049-192000- /O.CON.KBOU.HW.W.0010.181219T1500Z-181220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld 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, 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 452 AM MST Wed Dec 19 2018 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * TIMING...8 AM MST through 5 PM MST. * WINDS...Northwest winds 30 to 40 MPH with gusts up to 60 MPH possible. * IMPACTS...Areas of blowing dust restricting visibility. Strong crosswinds on highways resulting in hazardous travel for high profile vehicles. Possible power outages caused by downed power lines. The strong winds and dry vegetation will result in elevated fire danger. 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. && $$
956 WWUS75 KBOU 191846 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 1146 AM MST Wed Dec 19 2018 ...STRONG WINDS EXPECTED THROUGH THE AFTERNOON... .Gusty northwest winds have spread across the northeast Colorado plains with speeds of 35 to 50 MPH and one report of 58 MPH in northeast Larimer County. The winds are expected to continue increasing through the afternoon. The winds will produce areas of blowing dust and reduced visibilities at times. COZ038-042>049-200000- /O.CON.KBOU.HW.W.0010.000000T0000Z-181220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld 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, 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 1146 AM MST Wed Dec 19 2018 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * TIMING...Through 5 PM MST. * WINDS...Northwest winds 30 to 45 MPH with gusts up to 60 MPH. * IMPACTS...Areas of blowing dust restricting visibility. Strong crosswinds on highways resulting in hazardous travel for high profile vehicles. Possible power outages caused by downed power lines. 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. && $$
135 WWUS75 KBOU 200008 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 508 PM MST Wed Dec 19 2018 COZ038-042>049-200115- /O.EXP.KBOU.HW.W.0010.000000T0000Z-181220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld 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, 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 508 PM MST Wed Dec 19 2018 ...HIGH WIND WARNING HAS EXPIRED... The High Wind Warning for the northeast plains has been allowed to expire. Gusty northwest winds to 40 mph will be possible into the early evening hours but continue to decrease. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 10:08 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 31 hr |
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.