Alert archive / Colorado / High Wind Warnings in 2021
High Wind Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Jan 19, 2021, 2:28 PM MST for 7 counties in Colorado. It took effect at Jan 20, 2021, 2:00 AM MST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 19, 2021, 2:28 PM MST (21:28 UTC)
- In effect from
- Jan 20, 2021, 2:00 AM MST
- Expired
- Jan 20, 2021, 5:00 PM MST
- In force
- 15 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, Park County, CO
The radar
The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 21:33 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.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 187 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
- 980 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -105 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
697 WWUS75 KBOU 192128 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 228 PM MST Tue Jan 19 2021 COZ035-036-201200- /O.NEW.KBOU.HW.W.0002.210120T0900Z-210121T0000Z/ 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 Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 228 PM MST Tue Jan 19 2021 ...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 5 PM MST WEDNESDAY... * WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...The Northern Front Range Foothills and The Southern Front Range Foothills. * WHEN...From 2 AM to 5 PM MST Wednesday. * 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. Strong winds will also causes areas of blowing snow. 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. && $$
3 follow-up statements
394 WWUS75 KBOU 200330 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 830 PM MST Tue Jan 19 2021 COZ035-036-201130- /O.CON.KBOU.HW.W.0002.210120T0900Z-210121T0000Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 830 PM MST Tue Jan 19 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST WEDNESDAY... * WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...The Northern Front Range Foothills and The Southern Front Range Foothills. * WHEN...From 2 AM to 5 PM MST Wednesday. * IMPACTS...Strong winds will blow unsecured objects around. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. && $$
885 WWUS75 KBOU 201145 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 445 AM MST Wed Jan 20 2021 COZ035-036-210000- /O.CON.KBOU.HW.W.0002.000000T0000Z-210121T0000Z/ 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 Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 445 AM MST Wed Jan 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 75 mph. * WHERE...The Southern Front Range Foothills and The Northern Front Range Foothills. * WHEN...Winds should peak by the middle of the day, then diminish 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. && $$ Gimmestad
559 WWUS75 KBOU 210015 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver/Boulder CO 515 PM MST Wed Jan 20 2021 COZ035-036-210115- /O.EXP.KBOU.HW.W.0002.000000T0000Z-210121T0000Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including Estes Park, Glendevey, Nederland, Red Feather Lakes, Bailey, Central City, Evergreen, Georgetown, Idaho Springs, and Westcreek 515 PM MST Wed Jan 20 2021 ...HIGH WIND WARNING HAS EXPIRED... The threat of high winds has diminished so the warning has been allowed to expire. $$
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.