Alert archive / Colorado / High Wind Warnings in 2020

High Wind Warning 13, NWS Denver/Boulder, CO

December 22, 202011 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Dec 22, 2020, 3:48 AM MST for 11 counties in Colorado. It took effect at Dec 22, 2020, 6:00 PM MST. It was in force for 19 hr. 60 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 22, 2020, 3:48 AM MST (10:48 UTC)
In effect from
Dec 22, 2020, 6:00 PM MST
Expired
Dec 23, 2020, 1:00 PM MST
In force
19 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, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 80 km from the middle of the area, began a volume at 10:53 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

TimeReportWhereRemark
Dec 22, 6:25 PM MSTHEAVY SNOW 0.54 Sw Cedar Cove, COSNOW SQUALL. COCORAHS OBSERVER NOTED A SIGNIFICANT SNOW SQUALL WITH HEAVY BLOWING SNOW. SNOW WAS STILL FALLING AT THE TIME OF REPORT. ESTIMATED DURATION WAS 30 MINUTES.
Dec 22, 6:30 PM MSTNON-TSTM WND GST 656 Sw Carr, COMESONET STATION CO166 CR-82 BUCKEYE RD.
Dec 22, 6:30 PM MSTNON-TSTM WND GST 663 Wnw Loveland, COMESONET STATION DW5856 LOVELAND.
Dec 22, 6:40 PM MSTNON-TSTM WND GST 555 Nnw Nunn, COMESONET STATION UP718 4.9 N NUNN (UPR).
Dec 22, 6:42 PM MSTNON-TSTM WND GST 54Virginia Dale, COMESONET STATION CO036 287N381 VIRGINIA DALE.
Dec 22, 6:42 PM MSTNON-TSTM WND GST 60Nunn, COMESONET STATION CO171 NUNN.
Dec 22, 6:52 PM MSTNON-TSTM WND GST 623 Nw Kelim, COMESONET STATION CO050 025N259 CROSSROADS BLVD.
Dec 22, 6:52 PM MSTNON-TSTM WND GST 634 S Mead, COMESONET STATION CO052 025N242 ST. VRAIN.
Dec 22, 6:55 PM MSTNON-TSTM WND GST 542 Sw Gilcrest, COMESONET STATION UP733 2.4 SW GILCREST (UPR).
Dec 22, 6:55 PM MSTNON-TSTM WND GST 641 Ssw Erie, COAWOS STATION KEIK ERIE MUNI.
Dec 22, 6:55 PM MSTNON-TSTM WND GST 644 Ene Severance, COMESONET STATION AP912 EATON.
Dec 22, 6:56 PM MSTNON-TSTM WND GST 535 N Pawnee Buttes, COAWOS STATION K1OW OSCAR MADIS.
Dec 22, 6:56 PM MSTNON-TSTM WND GST 544 Ne Loveland, COAWOS STATION KFNL FT COLLINS LOVEL.
Dec 22, 6:56 PM MSTNON-TSTM WND GST 5611 Wnw Westplains, COAWOS STATION K1LW LIMA MADIS.
Dec 22, 6:59 PM MSTNON-TSTM WND GST 735 N Northglenn, COMESONET STATION CO156 0.7 MI S OF NORTHWEST PKWY.
Dec 22, 7:00 PM MSTNON-TSTM WND GST 602 N Mead, COMESONET STATION CO165 2.4 MI N OF WCR-34.
Dec 22, 7:00 PM MSTNON-TSTM WND GST 623 Nnw Wattenburg, COMESONET STATION FW0133 FORT LUPTON.
Dec 22, 7:07 PM MSTNON-TSTM WND GST 642 Nnw Briggsdale, COMESONET STATION TT567 CROW CREEK.
Dec 22, 7:12 PM MSTNON-TSTM WND GST 651 Nnw Briggsdale, COMESONET STATION CO043 014W176 BRIGGSDALE.
Dec 22, 7:13 PM MSTNON-TSTM WND GST 528 Ssw Grover, COMESONET STATION CW5040 BRIGGSDALE.
Dec 22, 7:14 PM MSTNON-TSTM WND GST 593 Nnw Lochbuie, COMESONET STATION FW0192 FORT LUPTON.
Dec 22, 7:15 PM MSTNON-TSTM WND GST 593 Ene Hudson, COAWOS STATION CO82 3 ENE HUDSON.
Dec 22, 7:22 PM MSTNON-TSTM WND GST 552 W Keenesburg, COMESONET STATION CO038 076E037 KEENESBURG.
Dec 22, 7:24 PM MSTNON-TSTM WND GST 593 Nnw Lochbuie, COMESONET STATION FW0192 FORT LUPTON.
Dec 22, 7:32 PM MSTNON-TSTM WND GST 642 Ene Wiggins, COMESONET STATION CO039 076W067 WIGGINS BIJOU CREEK.
Dec 22, 7:35 PM MSTNON-TSTM WND GST 61Fort Morgan Airport, COAWOS STATION KFMM FORT MORGAN.
Dec 22, 7:42 PM MSTNON-TSTM WND GST 551 Ssw Bennett, COMESONET STATION CO072 070W304 BENNETT.
Dec 22, 7:51 PM MSTNON-TSTM WND GST 581 Nw Wellington, CO
Dec 22, 7:53 PM MSTNON-TSTM WND GST 532 Sse Centennial, COASOS STATION KAPA DENVER ARAPAHOE.
Dec 22, 7:56 PM MSTNON-TSTM WND GST 675 N Pawnee Buttes, COAWOS STATION K1OW OSCAR MADIS.
Dec 22, 7:57 PM MSTNON-TSTM WND GST 585 N Pawnee Pass, COAWOS STATION K1MW MIKE MADIS.
Dec 22, 7:57 PM MSTNON-TSTM WND GST 6711 Wnw Westplains, COAWOS STATION K1LW LIMA MADIS.
Dec 22, 8:07 PM MSTNON-TSTM WND GST 642 Nnw Briggsdale, COMESONET STATION TT567 CROW CREEK.
Dec 22, 8:52 PM MSTNON-TSTM WND GST 718 S Holyoke, COMESONET STATION CO048 385S271 HOLYOKE.
Dec 22, 9:35 PM MSTNON-TSTM WND GST 64Fort Morgan Airport, COAWOS STATION KFMM FORT MORGAN.
Dec 22, 9:56 PM MSTNON-TSTM WND GST 6811 Wnw Westplains, COAWOS STATION K1LW LIMA MADIS.
Dec 22, 10:02 PM MSTNON-TSTM WND GST 67Virginia Dale, COMESONET STATION CO036 287N381 VIRGINIA DALE.
Dec 22, 10:22 PM MSTNON-TSTM WND GST 583 E Union, COMESONET STATION CO183 0.75 MI W OF CO-Q.
Dec 22, 10:53 PM MSTNON-TSTM WND GST 68Akron, COASOS STATION KAKO AKRON.
Dec 22, 11:02 PM MSTNON-TSTM WND GST 592 Ese Sterling, COMESONET STATION CO035 076E125 STERLING.
Dec 22, 11:12 PM MSTNON-TSTM WND GST 662 Ese Sterling, COMESONET STATION CO035 076E125 STERLING.
Dec 22, 11:32 PM MSTNON-TSTM WND GST 592 W Keenesburg, COMESONET STATION CO038 076E037 KEENESBURG.
Dec 22, 11:40 PM MSTNON-TSTM WND GST 576 Sw Carr, COMESONET STATION CO166 CR-82 BUCKEYE RD.
Dec 22, 11:55 PM MSTNON-TSTM WND GST 581 E Limon, COASOS STATION KLIC LIMON.
Dec 23, 12:02 AM MSTNON-TSTM WND GST 582 Se Julesburg, COMESONET STATION CO034 076W180 JULESBURG.
Dec 23, 12:25 AM MSTNON-TSTM WND GST 542 Nne Ovid, COMESONET STATION UP469 2.3 NE OVID (UPR).
Dec 23, 4:56 AM MSTNON-TSTM WND GST 675 N Pawnee Buttes, COAWOS STATION K1OW OSCAR MADIS.
Dec 23, 5:12 AM MSTNON-TSTM WND GST 593 E Union, COMESONET STATION CO183 0.75 MI W OF CO-Q.
Dec 23, 5:55 AM MSTNON-TSTM WND GST 562 Se Holyoke, COAWOS STATION KHEQ HOLYOKE AIRPORT.
Dec 23, 6:02 AM MSTNON-TSTM WND GST 513 S Cedar Point, COMESONET STATION CO066 SH-86 CEDAR POINT.
Dec 23, 6:30 AM MSTNON-TSTM WND GST 59Crook, COCO-OP OBSERVER STATION CKKC2 CROOK.
Dec 23, 6:56 AM MSTNON-TSTM WND GST 6911 Wnw Westplains, COAWOS STATION K1LW LIMA MADIS.
Dec 23, 7:08 AM MSTNON-TSTM WND GST 548 Ssw Grover, COMESONET STATION CW5040 BRIGGSDALE.
Dec 23, 7:30 AM MSTNON-TSTM WND GST 617 E Virginia Dale, COCO-OP OBSERVER STATION VDAC2 6.9 E VIRGINIA DALE.
Dec 23, 7:45 AM MSTNON-TSTM WND GST 55North Sterling Reservoi, COMESONET STATION TT562 NORTH STERLING.
Dec 23, 7:50 AM MSTNON-TSTM WND GST 581 Ese Akron, COMESONET STATION EW7755 AKRON.
Dec 23, 7:52 AM MSTNON-TSTM WND GST 52Fort Morgan, COMESONET STATION CO184 0.8 MI E OF MAIN ST. FORT MORGAN.
Dec 23, 7:53 AM MSTNON-TSTM WND GST 69Akron, COASOS STATION KAKO AKRON.
Dec 23, 8:15 AM MSTNON-TSTM WND GST 518 Nnw Boyero, COMESONET STATION UP711 7.7 NW BOYERO (UPR).
Dec 23, 8:30 AM MSTNON-TSTM WND GST 577 Ssw Hugo, COMESONET STATION EW9214 HUGO.

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, 10.8 hours before the alert went out and 51 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2020-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2020-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2690 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

118 
WWUS75 KBOU 221048
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
348 AM MST Tue Dec 22 2020

COZ038-042>051-221900-
/O.UPG.KBOU.HW.A.0006.201223T0100Z-201223T2000Z/
/O.NEW.KBOU.HW.W.0013.201223T0100Z-201223T2000Z/
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-Sedgwick County-Phillips County-
Including 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, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
348 AM MST Tue Dec 22 2020

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 1 PM MST
WEDNESDAY...

* WHAT...Northwest winds 30 to 45 mph with gusts up to 65 mph 
  expected.

* WHERE...Portions of east central, north central and northeast 
  Colorado.

* WHEN...From 6 PM this evening to 1 PM MST Wednesday 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.

&&

$$
5 follow-up statements
511 
WWUS75 KBOU 221924
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1224 PM MST Tue Dec 22 2020

COZ038-042>051-230730-
/O.CON.KBOU.HW.W.0013.201223T0100Z-201223T2000Z/
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-Sedgwick County-Phillips County-
Including 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, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
1224 PM MST Tue Dec 22 2020

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
1 PM MST WEDNESDAY...

* WHAT...Northwest winds 30 to 45 mph with gusts up to 65 mph 
  expected.

* WHERE...Portions of east central, north central and northeast 
  Colorado.

* WHEN...From 6 PM this evening to 1 PM MST Wednesday 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.

&&

$$
299 
WWUS75 KBOU 230349
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
849 PM MST Tue Dec 22 2020

COZ038-042>051-231200-
/O.CON.KBOU.HW.W.0013.000000T0000Z-201223T2000Z/
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-Sedgwick County-Phillips County-
Including 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, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
849 PM MST Tue Dec 22 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM MST WEDNESDAY...

* WHAT...Northwest winds 30 to 45 mph with gusts up to 65 mph.

* WHERE...Most of east central and northeast Colorado.

* WHEN...Until 1 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.

&&

$$
428 
WWUS75 KBOU 231039
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
339 AM MST Wed Dec 23 2020

COZ038-042>051-231845-
/O.CON.KBOU.HW.W.0013.000000T0000Z-201223T2000Z/
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-Sedgwick County-Phillips County-
Including 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, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
339 AM MST Wed Dec 23 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM MST THIS
AFTERNOON...

* WHAT...Northwest winds 30 to 45 mph with gusts up to 65 mph.

* WHERE...Most of east central and northeast Colorado.

* WHEN...Until 1 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.

&&

$$
822 
WWUS75 KBOU 231658
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
958 AM MST Wed Dec 23 2020

COZ038-043-231800-
/O.CAN.KBOU.HW.W.0013.000000T0000Z-201223T2000Z/
Larimer County Below 6000 Feet/Northwest Weld County-
Central and South Weld County-
Including Fort Collins, Hereford, Loveland, Nunn, Eaton, 
Fort Lupton, Greeley, and Roggen
958 AM MST Wed Dec 23 2020

...HIGH WIND WARNING IS CANCELLED...

The threat for high winds has ended, therefore the High Wind
Warning has been canceled. It will remain windy today with
northerly winds to 45 mph.

$$

COZ042-044>051-232000-
/O.CON.KBOU.HW.W.0013.000000T0000Z-201223T2000Z/
Northeast 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-Sedgwick County-Phillips County-
Including Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, 
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, Otis, Julesburg, Ovid, Sedgwick, Amherst, 
Haxtun, and Holyoke
958 AM MST Wed Dec 23 2020

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM MST THIS
AFTERNOON...

* WHAT...Northwest winds 30 to 45 mph with gusts up to 65 mph.

* WHERE...Most of east central and northeast Colorado.

* WHEN...Until 1 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.

&&

$$
263 
WWUS75 KBOU 232005
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
105 PM MST Wed Dec 23 2020

COZ042-044>051-232115-
/O.EXP.KBOU.HW.W.0013.000000T0000Z-201223T2000Z/
Northeast 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-Sedgwick County-Phillips County-
Including the cities of Briggsdale, Grover, Pawnee Buttes, 
Raymer, Stoneham, 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, Otis, Julesburg, Ovid, Sedgwick, 
Amherst, Haxtun, and Holyoke
105 PM MST Wed Dec 23 2020

...HIGH WIND WARNING HAS EXPIRED...

Winds will continue to slowly decrease through the afternoon,
therefore the High Wind Warning has been allowed to expire. Wind
gusts to 55 mph will remain possible through the afternoon across
eastern Colorado. 

$$

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 21, 7:52 PM MSTHigh Wind WatchBOUAdams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more8 hr
Dec 22, 3:52 AM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more31 hr
Dec 22, 4:24 PM MSTSnow Squall WarningBOUJackson, Larimer21 min
Dec 22, 4:53 PM MSTSnow Squall WarningBOUClear Creek, Summit37 min

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.