Alert archive / Colorado / High Wind Warnings in 2021
High Wind Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Mar 28, 2021, 8:44 PM MDT for 10 counties in Colorado. It took effect at Mar 29, 2021, 3:00 AM MDT. It was in force for 13 hr. 35 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
- Mar 28, 2021, 8:44 PM MDT (02:44 UTC)
- In effect from
- Mar 29, 2021, 3:00 AM MDT
- Expired
- Mar 29, 2021, 4:00 PM MDT
- In force
- 13 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 3:31 AM MDT | NON-TSTM WND GST 55 | 3 Wnw Loveland, CO | MESONET STATION DW5856 LOVELAND. |
| Mar 29, 4:49 AM MDT | NON-TSTM WND GST 61 | 3 Se Tolland, CO | AWOS STATION KC99 DAKOTA HILL. |
| Mar 29, 5:33 AM MDT | NON-TSTM WND GST 59 | 2 Nne Ward, CO | MESONET STATION CW5038 WARD. |
| Mar 29, 6:24 AM MDT | NON-TSTM WND GST 53 | Red Feather Lakes, CO | MESONET STATION RFRC2 REDFEATHER. |
| Mar 29, 6:38 AM MDT | NON-TSTM WND GST 70 | 1 N Glen Haven, CO | MESONET STATION EW4490 GLEN HAVEN. |
| Mar 29, 6:42 AM MDT | NON-TSTM WND GST 52 | 8 Wnw Cowdrey, CO | MESONET STATION IMRC2 INDEPENDENCE MOUNTAIN. |
| Mar 29, 6:55 AM MDT | NON-TSTM WND GST 74 | 1 Ene Berthoud Pass, CO | AWOS STATION K0CO BERTHOUD PASS. |
| Mar 29, 8:16 AM MDT | NON-TSTM WND GST 56 | 3 Wnw Mishawaka, CO | MESONET STATION EW0853 LIVERMORE. |
| Mar 29, 8:36 AM MDT | NON-TSTM WND GST 50 | 3 Ese Pinecliffe, CO | MESONET STATION FW8937 GOLDEN. |
| Mar 29, 8:36 AM MDT | NON-TSTM WND GST 54 | 5 S Lyons, CO | MESONET STATION EW8833 LONGMONT. |
| Mar 29, 9:02 AM MDT | NON-TSTM WND GST 55 | 5 S Estes Park, CO | MESONET STATION CO045 007N007 LILY LAKE. |
| Mar 29, 9:35 AM MDT | NON-TSTM WND GST 67 | 3 Ese Buckeye, CO | MESONET STATION BEYC2 BUCKEYE. |
| Mar 29, 10:10 AM MDT | NON-TSTM WND GST 58 | 6 Sw Carr, CO | MESONET STATION CO166 CR-82 BUCKEYE RD. |
| Mar 29, 10:29 AM MDT | NON-TSTM WND GST 53 | 1 N Georgetown, CO | MESONET STATION CO162 0.85 MI E OF 15TH ST GEORGETOWN. |
| Mar 29, 10:35 AM MDT | NON-TSTM WND GST 61 | 3 Ene Nederland, CO | MESONET STATION FW1761 NEDERLAND. |
| Mar 29, 10:49 AM MDT | NON-TSTM WND GST 52 | 4 Ene Nederland, CO | MESONET STATION DW5338 NEDERLAND. |
| Mar 29, 11:43 AM MDT | NON-TSTM WND GST 58 | 5 S Virginia Dale, CO | MESONET STATION DW3707 LIVERMORE. |
| Mar 29, 12:02 PM MDT | NON-TSTM WND GST 60 | Virginia Dale, CO | MESONET STATION CO036 287N381 VIRGINIA DALE. |
| Mar 29, 12:16 PM MDT | NON-TSTM WND GST 61 | 1 Ne Crisman, CO | MESONET STATION EW4338 1 NE CRISMAN. |
| Mar 29, 1:23 PM MDT | NON-TSTM WND GST 62 | 2 S Cheesman Reservoir, CO | MESONET STATION CHRC2 CHEESMAN. |
| Mar 29, 1:31 PM MDT | NON-TSTM WND GST 54 | 3 Se Niwot, CO | MESONET STATION FW3675 LAFAYETTE. |
| Mar 29, 1:35 PM MDT | NON-TSTM WND GST 52 | 1 S Copper Mountain, CO | AWOS STATION KCCU RED CLIFF PASS. |
| Mar 29, 1:49 PM MDT | NON-TSTM WND GST 50 | 2 N Copper Mountain, CO | MESONET STATION CO154 0.6 MI E OF CO-91 COPPER MTN. |
| Mar 29, 2:06 PM MDT | NON-TSTM WND GST 51 | 2 Ne Hygiene, CO | MESONET STATION AU469 LONGMONT. |
| Mar 29, 2:33 PM MDT | NON-TSTM WND GST 52 | 4 Sw Hygiene, CO | MESONET STATION DW1011 LONGMONT. |
| Mar 29, 2:35 PM MDT | NON-TSTM WND GST 51 | 1 N Walden, CO | AWOS STATION K33V WALDEN. |
| Mar 29, 2:39 PM MDT | NON-TSTM WND GST 55 | 4 Nnw Keystone, CO | MESONET STATION CO159 2.9 MI W OF EJMT - THE BOX. |
| Mar 29, 2:57 PM MDT | NON-TSTM WND GST 50 | 2 Ssw Roxborough Park, CO | MESONET STATION CTPC2 CARPENTER PEAK. |
| Mar 29, 3:01 PM MDT | NON-TSTM WND GST 53 | 3 Nw Campion, CO | MESONET STATION AR167 BERTHOUD. |
| Mar 29, 3:02 PM MDT | NON-TSTM WND GST 50 | 3 Wnw Loveland Pass, CO | MESONET STATION CO126 070E214 EJT WEST PORTAL. |
| Mar 29, 3:15 PM MDT | NON-TSTM WND GST 51 | 1 S Hygiene, CO | AWOS STATION KLMO LONGMONT VBRAND. |
| Mar 29, 3:19 PM MDT | NON-TSTM WND GST 55 | 4 Nnw Keystone, CO | MESONET STATION CO159 2.9 MI W OF EJMT - THE BOX. |
| Mar 29, 3:46 PM MDT | NON-TSTM WND GST 60 | 11 Nne Kremmling, CO | MESONET STATION GSPC2 GUNSIGHT. |
| Mar 29, 3:49 PM MDT | NON-TSTM WND GST 55 | 2 N Copper Mountain, CO | MESONET STATION CO154 0.6 MI E OF CO-91 COPPER MTN. |
| Mar 29, 3:53 PM MDT | NON-TSTM WND GST 53 | 2 Ne Hygiene, CO | MESONET STATION AU469 LONGMONT. |
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, 2.7 hours before the alert went out and 206 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
- 3364 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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. && $$
3 follow-up statements
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. && $$
529 WWUS75 KBOU 292219 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 419 PM MDT Mon Mar 29 2021 COZ033>036-292330- /O.EXP.KBOU.HW.W.0004.000000T0000Z-210329T2200Z/ South and East Jackson/Larimer/North and Northeast Grand/ Northwest Boulder Counties Above 9000 Feet- South and Southeast Grand/West Central and Southwest Boulder/ Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, Winter Park, Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 419 PM MDT Mon Mar 29 2021 ...HIGH WIND WARNING HAS EXPIRED... Strong winds will continue across the area this evening, but speeds will remain under high wind criteria, or under 75 mph gusts. $$
Nearby
High Wind Warnings in Colorado, 2021Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.