Alert archive / Colorado / High Wind Warnings in 2020
High Wind Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Jan 6, 2020, 4:55 AM MST for 11 counties in Colorado. It took effect at Jan 6, 2020, 9:00 AM MST. It was in force for 24 hr. 14 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 6, 2020, 4:55 AM MST (11:55 UTC)
- In effect from
- Jan 6, 2020, 9:00 AM MST
- Expired
- Jan 7, 2020, 9:18 AM MST
- In force
- 24 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 29 km from the middle of the area, began a volume at 11:58 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 |
|---|---|---|---|
| Jan 6, 10:15 AM MST | NON-TSTM WND GST 56 | Fort Morgan Airport, CO | |
| Jan 6, 11:12 AM MST | NON-TSTM WND GST 57 | Briggsdale, CO | |
| Jan 6, 11:12 AM MST | NON-TSTM WND GST 60 | Sterling, CO | |
| Jan 6, 11:13 AM MST | NON-TSTM WND GST 66 | 1 Nnw Akron, CO | |
| Jan 6, 11:20 AM MST | NON-TSTM WND GST 62 | 20 Nne Fort Collins, CO | |
| Jan 6, 11:30 AM MST | NON-TSTM WND GST 56 | 3 Wsw Sterling, CO | |
| Jan 6, 11:59 AM MST | NON-TSTM WND GST 57 | Fort Collins, CO | |
| Jan 7, 12:15 AM MST | NON-TSTM WND GST 83 | 3 Nw Marshall, CO | REPORTED AT NCAR MESA LAB. |
| Jan 7, 2:20 AM MST | NON-TSTM WND GST 100 | 2 N Carter Lake, CO | |
| Jan 7, 3:00 AM MST | NON-TSTM WND DMG | 2 Nnw Carter Lake, CO | 8 FT DIAMETER TREE BLOWN DOWN ONTO A BUILDING. TIME ESTIMATED. |
| Jan 7, 3:29 AM MST | NON-TSTM WND GST 70 | 4 Ene Nederland, CO | MESONET STATION DW5338 NEDERLAND. |
| Jan 7, 4:10 AM MST | NON-TSTM WND GST 60 | 1 Ne Crisman, CO | MESONET STATION EW4338 BOULDER. |
| Jan 7, 4:12 AM MST | NON-TSTM WND GST 64 | 2 Sw Broomfield, CO | AWOS STATION KBJC BROOMFIELD JEFFC. |
| Jan 7, 4:17 AM MST | NON-TSTM WND GST 65 | Floyd Hill, CO | MESONET STATION CO071 FLOYD HILL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 11.9 hours before the alert went out and 131 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
- 1888 m above ground
- 0-6 km bulk shear
- 112 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
572 WWUS75 KBOU 061155 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 455 AM MST Mon Jan 6 2020 COZ038-042-044-048-049-062000- /O.NEW.KBOU.HW.W.0002.200106T1600Z-200107T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Northeast Weld County-Morgan County-Logan County- Washington County- Including the cities of Fort Collins, Hereford, Loveland, Nunn, Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, and Otis 455 AM MST Mon Jan 6 2020 ...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 5 PM MST THIS AFTERNOON... * WHAT...Northwest winds 35 to 45 mph with gusts up to 60 mph expected. * WHERE...Larimer County Below 6000 Feet, Northwest Weld County, Northeast Weld County, Morgan County, Logan County and Washington County. * WHEN...From 9 AM this morning to 5 PM MST this afternoon. * IMPACTS...Strong winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles, especially on Interstate 76. * ADDITIONAL DETAILS...Areas of blowing dust may also occur which will restrict visbilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
4 follow-up statements
255 WWUS75 KBOU 061526 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 826 AM MST Mon Jan 6 2020 COZ038-042-044-048-049-070000- /O.CON.KBOU.HW.W.0002.200106T1600Z-200107T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Northeast Weld County-Morgan County-Logan County- Washington County- Including the cities of Fort Collins, Hereford, Loveland, Nunn, Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, and Otis 826 AM MST Mon Jan 6 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph expected. * WHERE...Northeast Weld County, Logan County, Washington County, Morgan County and Larimer County Below 6000 Feet/Northwest Weld County. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Strong winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. * ADDITIONAL DETAILS...Areas of blowing dust may will restrict visiblities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. && $$
863 WWUS75 KBOU 062350 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 450 PM MST Mon Jan 6 2020 COZ038-042-044-048-049-070100- /O.EXP.KBOU.HW.W.0002.000000T0000Z-200107T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Northeast Weld County-Morgan County-Logan County- Washington County- Including the cities of Fort Collins, Hereford, Loveland, Nunn, Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, and Otis 450 PM MST Mon Jan 6 2020 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON... Gusty northwest winds will continue to decrease through the early evening hours. You can still expect a few gusts up to 40 mph through 6 pm. $$ COZ035-036-071315- /O.EXB.KBOU.HW.W.0002.200107T0000Z-200107T1900Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 450 PM MST Mon Jan 6 2020 ...HIGH WIND WARNING IN EFFECT UNTIL NOON MST TUESDAY... * WHAT...West winds 25 to 40 mph with gusts up to 75 mph expected. * WHERE...Larimer and Boulder Counties Between 6000 and 9000 Feet and Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet. * WHEN...Until noon MST Tuesday. * IMPACTS...Strong winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. && $$
082 WWUS75 KBOU 071149 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 449 AM MST Tue Jan 7 2020 COZ035-036-071900- /O.CON.KBOU.HW.W.0002.000000T0000Z-200107T1900Z/ 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 449 AM MST Tue Jan 7 2020 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...West winds 35 to 45 mph with gusts up to 80 mph. * WHERE...Jefferson and West Douglas Counties Above 6000 Feet, Gilpin, Clear Creek and Northeast Park Counties Below 9000 Feet and Larimer and Boulder Counties Between 6000 and 9000 Feet. * WHEN...Until noon MST today. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$
693 WWUS75 KBOU 071618 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 918 AM MST Tue Jan 7 2020 COZ035-036-071730- /O.CAN.KBOU.HW.W.0002.000000T0000Z-200107T1900Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 918 AM MST Tue Jan 7 2020 ...HIGH WIND WARNING IS CANCELLED... Strong winds have decreased, therefore the High Wind Warning hass been canceled. It will remain windy at times today with gusts to 50 mph possible. $$
Nearby
High Wind Warnings in Colorado, 2020Every high wind warning in 2020
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.