Alert archive / Colorado / High Wind Watches in 2021
High Wind Watch 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind watch at Mar 28, 2021, 2:08 PM MDT for 18 counties in Colorado. It took effect at Mar 29, 2021, 3:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 28, 2021, 2:08 PM MDT (20:08 UTC)
- In effect from
- Mar 29, 2021, 3:00 AM MDT
- Expired
- Mar 29, 2021, 8:49 AM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson 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, Summit County, CO, Washington County, CO, Weld County, CO
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.1 hours before the alert went out and 120 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
- 2414 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
990 WWUS75 KBOU 282008 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 208 PM MDT Sun Mar 28 2021 COZ033>036-290815- /O.NEW.KBOU.HW.A.0003.210329T0900Z-210329T2200Z/ 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 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 208 PM MDT Sun Mar 28 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... * WHAT...West winds 30 to 45 mph with gusts up to 75 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills and The Southern Front Range Foothills. * WHEN...From late tonight through Monday afternoon. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ COZ042-044-048>051-290815- /O.NEW.KBOU.HW.A.0003.210329T2100Z-210330T0600Z/ Northeast Weld County-Morgan County-Logan County- Washington County-Sedgwick County-Phillips County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 208 PM MDT Sun Mar 28 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Northeast Weld County, Morgan County, Logan County, Washington County, Sedgwick County and Phillips County. * WHEN...From Monday afternoon through Monday evening. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ COZ046-290815- /O.NEW.KBOU.HW.A.0003.210329T2200Z-210330T0600Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including Agate, Hugo, Limon, and Matheson 208 PM MDT Sun Mar 28 2021 ...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Eastern Elbert and Northern Lincoln Counties. * WHEN...From Monday afternoon through Monday evening. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
3 follow-up statements
847 WWUS75 KBOU 290244 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 844 PM MDT Sun Mar 28 2021 COZ033>036-291045- /O.UPG.KBOU.HW.A.0003.210329T0900Z-210329T2200Z/ /O.NEW.KBOU.HW.W.0004.210329T0900Z-210329T2200Z/ 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 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 844 PM MDT Sun Mar 28 2021 ...HIGH WIND WARNING IN EFFECT FROM 3 AM TO 4 PM MDT MONDAY... * WHAT...West winds 25 to 40 mph with gusts around 75 mph expected. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills and The Southern Front Range Foothills. * WHEN...From 3 AM to 4 PM MDT Monday. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. The strongest winds will be along and north of the I-70 Corridor. 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. && $$ COZ046-291045- /O.EXT.KBOU.HW.A.0003.210329T2100Z-210330T0600Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including Agate, Hugo, Limon, and Matheson 844 PM MDT Sun Mar 28 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Northwest winds 25 to 40 mph with gusts up to 60 mph possible. * WHERE...Eastern Elbert and Northern Lincoln Counties. * WHEN...From Monday afternoon through Monday evening. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. This includes I-70 through the Limon area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ COZ042-044-048>051-291045- /O.CON.KBOU.HW.A.0003.210329T2100Z-210330T0600Z/ Northeast Weld County-Morgan County-Logan County- Washington County-Sedgwick County-Phillips County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 844 PM MDT Sun Mar 28 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE MONDAY AFTERNOON THROUGH MONDAY EVENING... * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Northeast Weld County, Phillips County, Sedgwick County, Morgan County, Logan County and Washington County. * WHEN...From late Monday afternoon through Monday evening. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. This includes I-76 through northeast Colorado. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
975 WWUS75 KBOU 291035 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 435 AM MDT Mon Mar 29 2021 COZ033>036-292100- /O.CON.KBOU.HW.W.0004.000000T0000Z-210329T2200Z/ 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 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 435 AM MDT Mon Mar 29 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON... * WHAT...West winds 30 to 50 mph with gusts up to 80 mph. * WHERE...The Southern Front Range Foothills, The Northern Front Range Foothills, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until 4 PM MDT this afternoon. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. The strongest winds will be along and north of the I-70 Corridor. 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. && $$ COZ042-044-046-048>051-292100- /O.CON.KBOU.HW.A.0003.210329T2100Z-210330T0600Z/ Northeast Weld County-Morgan County- North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County-Sedgwick County- Phillips County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Agate, Hugo, Limon, Matheson, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 435 AM MDT Mon Mar 29 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 3 PM MDT THIS AFTERNOON THROUGH THIS EVENING... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Northeast Weld County, Phillips County, Sedgwick County, Morgan County, Eastern Elbert and Northern Lincoln Counties, Logan County and Washington County. * WHEN...From 3 PM MDT this afternoon through this evening. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. This includes I-76 through northeast Colorado. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ Gimmestad
005 WWUS75 KBOU 291449 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 849 AM MDT Mon Mar 29 2021 COZ042-044-046-048>051-291600- /O.CAN.KBOU.HW.A.0003.210329T2100Z-210330T0600Z/ Northeast Weld County-Morgan County- North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County-Sedgwick County- Phillips County- Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Brush, Fort Morgan, Goodrich, Wiggins, Agate, Hugo, Limon, Matheson, Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 849 AM MDT Mon Mar 29 2021 ...HIGH WIND WATCH IS CANCELLED... The High Wind Watch has been cancelled for the above locations. However, wind gusts up to 50 mph will still be possible for this afternoon and into the evening hours. Loose items and broken tree limbs could become a hazard in high winds. $$ COZ033>036-292200- /O.CON.KBOU.HW.W.0004.000000T0000Z-210329T2200Z/ South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, Winter Park, Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 849 AM MDT Mon Mar 29 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM MDT THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 80 mph. * WHERE...The Southern Front Range Foothills, The Northern Front Range Foothills, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until 4 PM MDT this afternoon. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. && $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 11:58 AM MDT | Red Flag Warning | BOU | Elbert, Lincoln, Logan, Morgan, Phillips, Sedgwick and 1 more | 31 hr |
Nearby
High Wind Watches in Colorado, 2021Every high wind watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.