Alert archive / Colorado / Snow Squall Warnings in 2023
Snow Squall Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this snow squall warning at Feb 22, 2023, 12:56 PM MST for Grand County, Colorado. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2023, 12:56 PM MST (19:56 UTC)
- Expired
- Feb 22, 2023, 1:45 PM MST
- In force
- 49 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Damage threat
- Significant
County Grand County, CO
The radar
The Denver radar (KFTG), 112 km from the middle of the area, began a volume at 19:56 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
Grand Junction, CO (KGJT), launched 12:00Z, 7.9 hours before the alert went out and 253 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
- 1092 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 404 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
748
WWUS55 KBOU 221956
SQWBOU
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Snow Squall Warning
National Weather Service Denver CO
1256 PM MST Wed Feb 22 2023
COC049-222045-
/O.NEW.KBOU.SQ.W.0002.230222T1956Z-230222T2045Z/
Grand CO-
1256 PM MST Wed Feb 22 2023
The National Weather Service in Denver Colorado has issued a
* Snow Squall Warning for...
Southeastern Grand County in north central Colorado...
* Until 145 PM MST.
* At 1254 PM MST, a dangerous snow squall was located 7 miles
southwest of Tabernash, or 54 miles west of Denver, moving east at
30 mph.
HAZARD...Flash freeze on roads. Intense bursts of heavy snow and
blowing snow with visibility rapidly falling to less than
one-quarter mile. Wind gusts up to 35 mph.
SOURCE...Radar and webcams.
IMPACT...Dangerous and life-threatening travel conditions are
expected to develop rapidly in the warning area.
This will affect U.S. Highway 40 in Grand County.
Locations impacted include...
Granby, Fraser, Winter Park, Grand Lake, Tabernash and Elkdale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Wet roadways will quickly freeze. Black ice will cause roads,
bridges, and overpasses to become slick and dangerous. Slow down and
be prepared for a sudden loss of traction.
Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.
&&
LAT...LON 4029 10590 4027 10569 4010 10567 3994 10569
3982 10577 3981 10603
TIME...MOT...LOC 1954Z 259DEG 27KT 3991 10595
SNOW SQUALL...OBSERVED
SNOW SQUALL IMPACT...SIGNIFICANT
$$
MEIER1 follow-up statement
797
WWUS55 KBOU 222042
SQWBOU
Snow Squall Warning
National Weather Service Denver CO
142 PM MST Wed Feb 22 2023
COC049-222052-
/O.EXP.KBOU.SQ.W.0002.000000T0000Z-230222T2045Z/
Grand CO-
142 PM MST Wed Feb 22 2023
...THE SNOW SQUALL WARNING FOR SOUTHEASTERN GRAND COUNTY WILL EXPIRE
AT 145 PM MST...
The snow squall that prompted the warning has exited the area.
Therefore, the snow squall warning will be allowed to expire. Roads
will remain snow covered.
LAT...LON 4029 10590 4027 10569 4010 10567 3994 10569
3982 10577 3981 10603
TIME...MOT...LOC 2042Z 259DEG 27KT 3997 10555
$$
MEIERWhat forecasters said that day
The local office's own words before this snow squall warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this snow squall warning went out at Feb 22, 11:18 AM MST, 1 hour 38 minutes earlier.
Area forecast discussion, Feb 22, 11:18 AM MST, 1 hour 38 minutes before
Area Forecast Discussion National Weather Service Denver/Boulder CO 1118 AM MST Wed Feb 22 2023 .UPDATE... Issued at 939 AM MST Wed Feb 22 2023 The overall forecast picture hasn't changed much since the previous discussion. The initial burst of snow this morning has generally brought a few inches of snow to most of the foothills and 1-3 inches for most of the urban corridor west of I-25, with totals dropping off quickly to the east. Light snow showers are currently lingering across most of the area and should continue through the afternoon hours. This has generally been supported by shallow NE upslope flow (~10kt to 7.5kft MSL) along with some additional forcing from the nearby upper level jet. A second "wave" or burst of moderate to briefly heavy snow still looks likely later today... sometime during the early/mid afternoon hours. Upstream observations in west/southwest Colorado have been impressive, and hi-res guidance is generally in good agreement on the evolution of this feature. There should also be increasing support aloft due to increasing PVA as the 500mb shortwave pivots through the region. A quick inch or two still looks pretty likely across the Denver metro, with heavier amounts possible across Boulder and Larimer counties. Have made a few adjustments to the forecast this morning. The first was to drastically adjust hourly/MaxT today as it feels very unlikely that any portion of the plains will see any warming today. Also attempted to adjust PoPs for this afternoon/evening along with some minor updates to the rest of the winter wx grids. && .SHORT TERM...(Today and tonight) Issued at 401 AM MST Wed Feb 22 2023 A few changes in the short-term to snowfall amounts and temperatures this morning. Without much forcing, light snowfall has spread mainly from the mountains to the I-25 corridor. Prepare for icy and snow covered roads during the morning and evening commutes. Ongoing snowfall will continue for most of the region and should finally extended to the far eastern plains through Wednesday evening. Our area persists under northerly flow thanks to the cold front for the plains and south to southwesterly flow for the higher terrain. Cold arctic air stays in place along with overcast skies which will keep afternoon highs near the mid teens to mid 20s for all areas. NAMNEST soundings indicate an upper level inversion steady throughout the plains. Additionally, model guidance, such as the NAM/GFS, highlights significant dry air in the 500-700mb layer which could lead to decrease in snowfall development. It is possible expected snowfall amounts could be on the low end but the afternoon shortwave may produce additional snow accumulations through snow bands especially along the I-25 corridor. As the upper level trough pushes north, there will be an increase in northerly winds producing wind gusts up to With the combination of cold temperatures and gusty winds, wind chill values will range from -12 to -20 across the region. Keeping Wind Chill Advisories covering the plains through Thursday morning. .LONG TERM...(Thursday through Tuesday) Issued at 401 AM MST Wed Feb 22 2023 The flow aloft will become more southwesterly on Thu as a stg storm system is over the Pacific NW. Cross-sections show an increase in moisture across the mtns by aftn with lapse rates around 8 c/km. Thus should see an increase in snow shower activity especially north of I-70. Over nern CO, it will remain very cold in most areas with aftn highs in the teens. The only exception would be over portions of the Palmer Divide where southerly low level flow may allow for highs to rise into the 20's. For Thu night, a stg upper level jet will be over the area with cross-sections showing some potential for banded areas of light snow to develop, from Denver east northeast across portions of the plains. Overall confidence isn't real high so will keep snow chances on the lower side for now. In the mtns, will continue to see orographic snow showers as well especially north of I-70 with some potential for heavier bands due to position of the upper level jet. On Fri, SW flow aloft will continue with decent lapse rates. Cross- sections show enough moisture for more orographic snow showers in the mtns. Across nern CO, will begin to see moderation in temps as readings rise into 35 to 40 degree range around Denver. However further east over the plains readings stay in the 25 to 30 degree range. By Sat, drier air will spread into the area in WSW flow aloft as an upper level storm system is located over srn California. Thus should see an end to snow in the mtns. Across the plains, a sfc lee trough will intensify along the front range which will allow for warmer temps. Highs will range from the lower to mid 50s around Denver with 40's across the plains. Looking ahead to Sat night and Sun, the storm system over srn California will move rapidly east northeast and affect the area Sun aftn into Sun night. This system will bring another good chc of snow to the mtns. Across nern CO, there will be a chance of showers as it move across. Highs across the plains will range from the upper 40s to upper 50's. On Mon, zonal flow aloft will be over the area. Cross-sections show limited moisture in the flow so expect mainly dry conditions. Winds will be rather gusty as from the mtns across the plains. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1103 AM MST Wed Feb 22 2023 Light snow showers should continue on and off through the afternoon and evening hours. Ceilings are well established between 015-020 and should be fairly steady over the next several hours. A burst or two of heavier snow... along with a reduction of visibility... is expected this afternoon sometime after 20z. As this snow moves through, IFR ceilings/visibilities are likely with brief LIFR visibilities possible. Conditions should improve overnight with the low cloud deck scattering out. VFR is forecast after 06z though there is a chance that MVFR cigs continue a bit longer than forecast. VFR conditions are forecast tomorrow, though lower ceilings may develop after 18z Thursday afternoon. && .BOU WATCHES/WARNINGS/ADVISORIES... Winter Storm Warning until 5 AM MST Thursday for COZ031-033. Winter Weather Advisory until 6 AM MST Thursday for COZ034. Winter Storm Warning until 8 PM MST this evening for COZ035-038- 039-042. Winter Weather Advisory until 8 PM MST this evening for COZ036- 040-041-043>045-048-050-051. Wind Chill Advisory from 8 PM this evening to 9 AM MST Thursday for COZ038-042>044-048>051. Wind Chill Advisory from midnight tonight to 9 AM MST Thursday for COZ039-040-045-046. && UPDATE...Hiris SHORT TERM...AD LONG TERM...RPK AVIATION...Hiris
Hazardous weather outlook, Feb 22, 10:19 AM MST, 2 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1019 AM MST Wed Feb 22 2023 COZ030>051-231730- Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 9000 Feet- 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- Central and Southeast Park County- Larimer County Below 6000 Feet/Northwest Weld County- Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County- Elbert/Central and East Douglas Counties Above 6000 Feet- 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- 1019 AM MST Wed Feb 22 2023 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Light snow showers will continue through most of the day today, with slick road conditions possible. A burst of heavier snow may bring a quick inch or two across the I-25 corridor this afternoon. Snow should end across the Denver metro and plains later this evening, with temperatures falling below zero and wind chills dropping to -15 to -25 degrees. Snow and blowing snow is also expected across portions of the high country today and tonight. Difficult travel is expected at times. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday Thursday morning will be chilly and temperatures will slowly moderate during the day but will remain well below normal. There will be light snow showers mainly in the mountains with minimal impact on travel. Friday into Saturday, temperatures will increase for all areas with a chance of light snow in the mountains on Friday. Another system will affect the area late Sunday bringing more snow to the mountains. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. Any snowfall reports will be appreciated.
In the hours before
Local storm report, Feb 22, 8:52 AM MST, 4 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
852 AM MST WED FEB 22 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0700 AM SNOW 2 SSW BOULDER 40.00N 105.27W
02/22/2023 M4.1 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-485 BOULDER 2.3 SSW.
0700 AM SNOW 1 NW PINEWOOD SPRINGS 40.28N 105.37W
02/22/2023 M4.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1019 ESTES PARK 10.5
SE.
0730 AM SNOW 1 NNW GRANT 39.46N 105.68W
02/22/2023 M4.0 INCH PARK CO CO-OP OBSERVER
CO-OP OBSERVER STATION GRTC2 GRANT 1 W.
0700 AM SNOW 2 SW GOLDEN 39.72N 105.24W
02/22/2023 M3.9 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-497 GOLDEN 1.6 SW.
0700 AM SNOW 2 N CAMPION 40.37N 105.10W
02/22/2023 M3.8 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-500 LOV 3.8 S.
0700 AM SNOW 3 SSE HYGIENE 40.14N 105.15W
02/22/2023 M3.8 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-435 LONGMONT 3.0 SW.
0720 AM SNOW 3 SSW BOULDER 39.99N 105.26W
02/22/2023 M3.7 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-14 BOULDER 1.6 S.
0700 AM SNOW 2 NW BOULDER 40.05N 105.28W
02/22/2023 M3.6 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-465 BOULDER 1.8 NW.
0700 AM SNOW 4 W PINEWOOD SPRINGS 40.27N 105.43W
02/22/2023 M3.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1307 LYONS 8.9 WNW.
0700 AM SNOW 1 NE BROOKVALE 39.64N 105.41W
02/22/2023 M3.5 INCH CLEAR CREEK CO COCORAHS
COCORAHS STATION CO-CC-2 EVERGREEN 5 W.
0700 AM SNOW 1 WNW BOULDER 40.04N 105.28W
02/22/2023 M3.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-490 BOULDER 1.5 WNW.
0800 AM SNOW 2 W BOULDER 40.03N 105.29W
02/22/2023 M3.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-491 BOULDER 1.8 W.
0700 AM SNOW 2 S BOULDER 39.99N 105.26W
02/22/2023 M3.4 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-4 BOULDER 2.9 S.
0730 AM SNOW 1 N SUNSHINE 40.08N 105.37W
02/22/2023 M3.4 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-343 JAMESTOWN 2.5
SSE.
0700 AM SNOW 2 SSW BERTHOUD 40.27N 105.10W
02/22/2023 M3.3 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1295 BERTHOUD 2.4
SSW.
0700 AM SNOW 3 SSE HYGIENE 40.14N 105.16W
02/22/2023 M3.2 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-507 LONGMONT 3.3 SW.
0700 AM SNOW LYONS 40.23N 105.27W
02/22/2023 M3.2 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-146 LYONS 0.3 NNE.
0750 AM SNOW 2 W BOULDER 40.03N 105.29W
02/22/2023 M3.2 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-437 BOULDER 2.1 W.
0600 AM SNOW 4 ENE NEDERLAND 39.99N 105.44W
02/22/2023 M3.1 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-296 NEDERLAND 3.7
ENE.
0600 AM SNOW 3 SSE SILVER PLUME 39.66N 105.71W
02/22/2023 M3.0 INCH CLEAR CREEK CO CO-OP OBSERVER
CO-OP OBSERVER STATION GCRC2 GEORGETOWN 4 S.
0645 AM SNOW 5 E JAMESTOWN 40.13N 105.29W
02/22/2023 M3.0 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-401 BOULDER 7.4 NNW.
0650 AM SNOW 4 ENE NEDERLAND 39.99N 105.45W
02/22/2023 M3.0 INCH BOULDER CO PUBLIC
0700 AM SNOW 4 WSW BERTHOUD 40.28N 105.16W
02/22/2023 M3.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-922 BERTHOUD 4.4 WSW.
0700 AM SNOW 3 NNW CAMPION 40.38N 105.12W
02/22/2023 M3.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1252 LOVELAND 3.8 SW.
0700 AM SNOW 2 W NIWOT 40.10N 105.20W
02/22/2023 M3.0 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-248 NIWOT 2.3 W.
0700 AM SNOW ASPEN SPRINGS 39.83N 105.48W
02/22/2023 M3.0 INCH GILPIN CO CO-OP OBSERVER
CO-OP OBSERVER STATION ASIC2 ASPEN SPRINGS.
0729 AM SNOW 2 SE TIMNATH 40.51N 104.96W
02/22/2023 M3.0 INCH LARIMER CO PUBLIC
0740 AM SNOW 7 E VIRGINIA DALE 40.97N 105.22W
02/22/2023 M3.0 INCH LARIMER CO CO-OP OBSERVER
CO-OP OBSERVER STATION VDAC2 6.9 E VIRGINIA
DALE.
0700 AM SNOW 1 ESE HIGHLAND PARK 39.49N 105.51W
02/22/2023 M2.9 INCH PARK CO COCORAHS
COCORAHS STATION CO-PK-112 BAILEY 6.8 NNW.
0700 AM SNOW 3 S HYGIENE 40.14N 105.18W
02/22/2023 M2.9 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-171 LONGMONT 4.0 WSW.
0800 AM SNOW 2 SW NIWOT 40.08N 105.18W
02/22/2023 M2.9 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-76 NIWOT 1.8 SSW.
0600 AM SNOW 1 NNW LOVELAND 40.43N 105.08W
02/22/2023 M2.8 INCH LARIMER CO CO-OP OBSERVER
CO-OP OBSERVER STATION LVDC2 1.3 NW
LOVELAND.
0600 AM SNOW 1 NNW LOVELAND 40.44N 105.08W
02/22/2023 M2.8 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-40 LOVELAND 1.5 N.
0700 AM SNOW 1 SE CAMPION 40.34N 105.09W
02/22/2023 M2.8 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1239 BERTHOUD 2.3 N.
0700 AM SNOW 3 N PINECLIFFE 39.98N 105.43W
02/22/2023 M2.8 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-110 NEDERLAND 4.8
ENE.
0700 AM SNOW 3 NNE PLEASANT VIEW 39.76N 105.15W
02/22/2023 M2.7 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-290 WHEAT RIDGE 2.8
WSW.
0710 AM SNOW 2 E LONGMONT 40.17N 105.08W
02/22/2023 M2.7 INCH BOULDER CO CO-OP OBSERVER
CO-OP OBSERVER STATION LONC2 LONGMONT 1 E.
0710 AM SNOW 2 E LONGMONT 40.17N 105.08W
02/22/2023 M2.7 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-361 LONGMONT 1.8 E.
0715 AM SNOW 2 SW ESTES PARK 40.36N 105.55W
02/22/2023 M2.7 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1272 ESTES PARK 1.7
SW.
0700 AM SNOW 3 WNW FAIRPLAY 39.23N 106.05W
02/22/2023 M2.6 INCH PARK CO COCORAHS
COCORAHS STATION CO-PK-15 FAIRPLAY 2.7 WNW.
0700 AM SNOW 2 S ESTES PARK 40.35N 105.52W
02/22/2023 M2.6 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-767 ESTES PARK 1.8 S.
0700 AM SNOW 4 WSW DRAKE 40.41N 105.41W
02/22/2023 M2.6 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1026 DRAKE 4.3 WSW.
0700 AM SNOW 2 SW NIWOT 40.07N 105.19W
02/22/2023 M2.6 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-469 NIWOT 2.2 SW.
0700 AM SNOW 3 SSW NIWOT 40.06N 105.17W
02/22/2023 M2.6 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-220 BOULDER 4.7 ENE.
0829 AM SNOW 1 NW NIWOT 40.10N 105.17W
02/22/2023 M2.6 INCH BOULDER CO TRAINED SPOTTER
0700 AM SNOW 1 ENE BELLVUE 40.63N 105.15W
02/22/2023 M2.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-761 LAPORTE 1.4 NW.
0700 AM SNOW 3 S FORT COLLINS 40.51N 105.06W
02/22/2023 M2.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1304 FORT COLLINS 3.1
S.
0700 AM SNOW 4 ESE HORSETOOTH MOUNTA 40.52N 105.13W
02/22/2023 M2.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1204 FORT COLLINS 3.8
SW.
0700 AM SNOW 3 NW LOUISVILLE 40.00N 105.18W
02/22/2023 M2.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-67 BOULDER 4.7 E.
0700 AM SNOW 3 NNE PINECLIFFE 39.97N 105.40W
02/22/2023 M2.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-57 NEDERLAND 5.8 E.
0700 AM SNOW 1 SE BOULDER 40.01N 105.24W
02/22/2023 M2.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-409 BOULDER 1.4 SE.
0720 AM SNOW 3 NE LONGMONT 40.20N 105.08W
02/22/2023 M2.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-540 LONGMONT 2.5 NE.
0732 AM SNOW 3 NE LONGMONT 40.20N 105.08W
02/22/2023 M2.5 INCH BOULDER CO NWS EMPLOYEE
0740 AM SNOW 3 E LOVELAND 40.43N 105.02W
02/22/2023 M2.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-687 LOVELAND 2.7 E.
0800 AM SNOW 3 NW MISHAWAKA 40.72N 105.42W
02/22/2023 M2.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-897 LIVERMORE 9.9
WSW.
0700 AM SNOW 4 S FORT COLLINS 40.50N 105.07W
02/22/2023 M2.4 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-885 FORT COLLINS 3.7
S.
0700 AM SNOW 1 N LAWSON 39.79N 105.64W
02/22/2023 M2.4 INCH CLEAR CREEK CO COCORAHS
COCORAHS STATION CO-CC-32 1 N LAWSON.
0700 AM SNOW 2 N LONGMONT 40.20N 105.11W
02/22/2023 M2.4 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-143 LONGMONT 2.1 N.
0640 AM SNOW WAH KEENEY PARK 39.66N 105.34W
02/22/2023 M2.3 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-484 EVERGREEN 1.8 N.
0700 AM SNOW 1 SSW ROLLINSVILLE 39.91N 105.51W
02/22/2023 M2.3 INCH GILPIN CO COCORAHS
COCORAHS STATION CO-GL-17 ROLLINSVILLE 1.1
SSW.
0700 AM SNOW NEDERLAND 39.97N 105.51W
02/22/2023 M2.3 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-322 NEDERLAND 0.4
WNW.
0800 AM SNOW 3 S SUPERIOR 39.89N 105.15W
02/22/2023 M2.3 INCH BROOMFIELD CO COCORAHS
COCORAHS STATION CO-BR-55 SUPERIOR 2.8 S.
0700 AM SNOW 3 S EVERGREEN 39.60N 105.34W
02/22/2023 M2.2 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-551 EVERGREEN 2.6 S.
0700 AM SNOW 1 WSW LAFAYETTE 39.99N 105.11W
02/22/2023 M2.2 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-266 LAFAYETTE 0.8
WSW.
0600 AM SNOW 3 SE ROCKY FLATS 39.86N 105.16W
02/22/2023 M2.1 INCH JEFFERSON CO NWS EMPLOYEE
0700 AM SNOW 4 NNE FORT COLLINS 40.61N 105.04W
02/22/2023 M2.1 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-636 FORT COLLINS 2.8
NE.
0700 AM SNOW 3 WNW LOVELAND 40.43N 105.12W
02/22/2023 M2.1 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1109 LOVELAND 2.8
WNW.
0700 AM SNOW 2 NW LAFAYETTE 40.02N 105.13W
02/22/2023 M2.1 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-290 LAFAYETTE 2.3 NW.
0700 AM SNOW 2 WNW ERIE 40.04N 105.07W
02/22/2023 M2.1 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-285 ERIE 1.7 WNW.
0730 AM SNOW MASONVILLE 40.48N 105.20W
02/22/2023 M2.1 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1253 LOVELAND 8.0
WNW.
0835 AM SNOW 2 S FORT COLLINS 40.52N 105.07W
02/22/2023 M2.1 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1247 FORT COLLINS 2.3
S.
0500 AM SNOW 4 N FLOYD HILL 39.77N 105.40W
02/22/2023 M2.0 INCH GILPIN CO COCORAHS
COCORAHS STATION CO-GL-34 FLOYD HILL 3.7 N.
0655 AM SNOW 1 SW KITTREDGE 39.64N 105.31W
02/22/2023 M2.0 INCH JEFFERSON CO CO-OP OBSERVER
CO-OP OBSERVER STATION EVGC2 1.2 SW
KITTREDGE.
0700 AM SNOW 2 ENE LUCERNE 40.49N 104.67W
02/22/2023 M2.0 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-129 EATON 3.4 SE.
0700 AM SNOW 2 NW LOVELAND 40.44N 105.10W
02/22/2023 M2.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-854 LOVELAND 2.3 NW.
0700 AM SNOW 2 NW LOVELAND 40.44N 105.11W
02/22/2023 M2.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-676 LOVELAND 2.4 NW.
0745 AM SNOW 4 NW ARVADA 39.85N 105.16W
02/22/2023 M2.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-532 3 SE ROCKY FLATS.
0800 AM SNOW GREELEY 40.43N 104.75W
02/22/2023 M2.0 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-563 GREELEY 0.5 NNW.
0600 AM SNOW 3 W FORT COLLINS 40.56N 105.12W
02/22/2023 M1.9 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1009 FORT COLLINS 2.8
W.
0700 AM SNOW 2 WSW GREELEY 40.40N 104.78W
02/22/2023 M1.9 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-428 GREELEY 2.4 WSW.
0700 AM SNOW 4 SSW MEAD 40.17N 105.02W
02/22/2023 M1.8 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-302 LONGMONT 5.1 E.
0700 AM SNOW 1 N FORT COLLINS 40.57N 105.07W
02/22/2023 M1.8 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-849 FORT COLLINS 0.9
N.
0700 AM SNOW 3 SSW CRESCENT VILLAGE 39.90N 105.35W
02/22/2023 M1.8 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-425 GOLDEN 11.8 NW.
0615 AM SNOW 4 SSE PINECLIFFE 39.88N 105.39W
02/22/2023 M1.7 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-331 GOLDEN 12.5 NW.
0700 AM SNOW 1 SE FORT COLLINS 40.54N 105.05W
02/22/2023 M1.7 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1234 FORT COLLINS 1.2
SE.
0700 AM SNOW 1 WSW WHEAT RIDGE 39.77N 105.11W
02/22/2023 M1.7 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-343 WHEAT RIDGE 0.9
WSW.
0800 AM SNOW 4 WSW EATON 40.51N 104.77W
02/22/2023 M1.7 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-124 EATON 3.6 WSW.
0800 AM SNOW 1 SW WESTMINSTER 39.87N 105.07W
02/22/2023 M1.7 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-410 WESTMINSTER 1.1
SW.
0600 AM SNOW 2 SW LAKEWOOD 39.68N 105.14W
02/22/2023 M1.6 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-333 LAKEWOOD 1.7 SW.
0645 AM SNOW 1 NNW ERIE 40.04N 105.05W
02/22/2023 M1.6 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-571 ERIE 1.1 NNW.
0700 AM SNOW 2 WSW LAKEWOOD 39.69N 105.14W
02/22/2023 M1.6 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-340 LAKEWOOD 1.5 WSW.
0700 AM SNOW 3 S ERIE 39.99N 105.05W
02/22/2023 M1.6 INCH BROOMFIELD CO COCORAHS
COCORAHS STATION CO-BR-32 BROOMFIELD 3.2
NNE.
0715 AM SNOW 1 W KEN CARYL 39.58N 105.16W
02/22/2023 M1.6 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-201 LITTLETON 8.2
WSW.
0800 AM SNOW 1 SSW GEORGETOWN 39.71N 105.70W
02/22/2023 M1.6 INCH CLEAR CREEK CO CO-OP OBSERVER
CO-OP OBSERVER STATION GEOC2 0.7 S
GEORGETOWN.
0600 AM SNOW 4 WSW ARVADA 39.79N 105.16W
02/22/2023 M1.5 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-504 ARVADA 3.6 WSW.
0600 AM SNOW LAFAYETTE 40.00N 105.09W
02/22/2023 M1.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-557 LAFAYETTE 0.5
ENE.
0630 AM SNOW 2 N LOUISVILLE 39.99N 105.13W
02/22/2023 M1.5 INCH BOULDER CO COCORAHS
COCORAHS STATION CO-BO-468 LOUISVILLE 1.6
NNE.
0700 AM SNOW 1 SSW FORT COLLINS 40.55N 105.07W
02/22/2023 M1.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-769 FORT COLLINS 0.7
SSW.
0700 AM SNOW 3 NNW FORT COLLINS 40.59N 105.09W
02/22/2023 M1.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1316 FORT COLLINS 2.8
NNW.
0700 AM SNOW 2 WNW TIMNATH 40.54N 105.03W
02/22/2023 M1.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1244 FORT COLLINS 2.4
ESE.
0700 AM SNOW 2 NNE LOVELAND 40.44N 105.06W
02/22/2023 M1.5 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-104 LOVELAND 3.0 NNE.
0700 AM SNOW 1 E GOLDEN 39.74N 105.19W
02/22/2023 M1.5 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-563 GOLDEN 1.2 E.
0700 AM SNOW 2 ESE LAKEWOOD 39.68N 105.08W
02/22/2023 M1.5 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-179 LAKEWOOD 2.2 ESE.
0700 AM SNOW 1 NW BROOMFIELD 39.94N 105.08W
02/22/2023 M1.5 INCH BROOMFIELD CO COCORAHS
COCORAHS STATION CO-BO-2 BROOMFIELD 1.2 NE.
0800 AM SNOW 3 ENE WHITE RANCH OPEN 39.83N 105.24W
02/22/2023 M1.5 INCH JEFFERSON CO CO-OP OBSERVER
CO-OP OBSERVER STATION GDNC2 2.6 E WHITE
RANCH OPEN SPACE.
0800 AM SNOW 1 ENE NUNN 40.71N 104.76W
02/22/2023 M1.5 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-345 NUNN 1.2 ENE.
0645 AM SNOW ARVADA 39.83N 105.11W
02/22/2023 M1.4 INCH JEFFERSON CO PUBLIC
0700 AM SNOW 4 E LAPORTE 40.63N 105.06W
02/22/2023 M1.4 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1020 FORT COLLINS 4.9
N.
0700 AM SNOW 2 SE ARVADA 39.80N 105.09W
02/22/2023 M1.4 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-582 ARVADA 1.8 SE.
0700 AM SNOW 2 SSE ARVADA 39.80N 105.09W
02/22/2023 M1.4 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-546 ARVADA 1.7 SSE.
0440 AM SNOW 2 NNW LOUISVILLE 39.99N 105.15W
02/22/2023 M1.3 INCH BOULDER CO TRAINED SPOTTER
B93.
0624 AM SNOW 3 W WESTMINSTER 39.88N 105.11W
02/22/2023 M1.3 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-72 BROOMFIELD 2.3
SSW.
0700 AM SNOW 4 NNE KEN CARYL 39.63N 105.12W
02/22/2023 M1.3 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-518 KEN CARYL 3.5 N.
0700 AM SNOW 1 WNW MOUNTAIN VIEW 39.78N 105.08W
02/22/2023 M1.3 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-512 WHEAT RIDGE 1.4
ENE.
0700 AM SNOW 2 NE ARVADA 39.84N 105.08W
02/22/2023 M1.3 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-471 ARVADA 1.8 NE.
0712 AM SNOW 4 NNE BUCKEYE 40.88N 105.08W
02/22/2023 M1.3 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1022 WELLINGTON 12.7
NNW.
0700 AM SNOW 4 W LA SALLE 40.36N 104.78W
02/22/2023 M1.2 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-163 GREELEY 5.2 SW.
0700 AM SNOW 4 E LAPORTE 40.62N 105.05W
02/22/2023 M1.2 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-307 FCL 3.2 NE.
0700 AM SNOW 1 S WHEAT RIDGE 39.77N 105.10W
02/22/2023 M1.2 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-354 WHEAT RIDGE 0.6
S.
0645 AM SNOW 1 ESE KEN CARYL 39.57N 105.12W
02/22/2023 M1.1 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-338 KEN CARYL 0.6
WSW.
0700 AM SNOW 1 SW SEVERANCE 40.51N 104.86W
02/22/2023 M1.1 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-564 SEVERANCE 0.7 SW.
0700 AM SNOW 2 N KEN CARYL 39.61N 105.14W
02/22/2023 M1.1 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-212 LITTLETON 6.4 W.
0700 AM SNOW 2 E BROOMFIELD 39.93N 105.02W
02/22/2023 M1.1 INCH BROOMFIELD CO COCORAHS
COCORAHS STATION CO-BR-54 BROOMFIELD 2.4
ESE.
0800 AM SNOW 2 WSW NORTHGLENN 39.90N 105.01W
02/22/2023 M1.1 INCH ADAMS CO CO-OP OBSERVER
CO-OP OBSERVER STATION NRTC2 2.3 N FEDERAL
HEIGHTS.
0700 AM SNOW 1 NNE LAFAYETTE 40.01N 105.09W
02/22/2023 M1.0 INCH BOULDER CO CO-OP OBSERVER
CO-OP OBSERVER STATION LAFC2 1.3 NE
LAFAYETTE.
0700 AM SNOW 4 NE FIRESTONE 40.17N 104.89W
02/22/2023 M1.0 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-326 FORT LUPTON 7.4
NW.
0700 AM SNOW 4 WNW GREELEY 40.44N 104.81W
02/22/2023 M1.0 INCH WELD CO COCORAHS
COCORAHS STATION CO-WE-318 GREELEY 4.6 WNW.
0700 AM SNOW 6 NW MISHAWAKA 40.75N 105.44W
02/22/2023 M1.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1317 LIVERMORE 11.1
W.
0700 AM SNOW 2 SSE CONIFER 39.50N 105.29W
02/22/2023 M1.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-573 CONIFER 1.8 SSE.
0700 AM SNOW 3 S CONIFER 39.48N 105.30W
02/22/2023 M1.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-562 CONIFER 2.9 S.
0700 AM SNOW 3 NW COLUMBINE 39.62N 105.10W
02/22/2023 M1.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-414 LITTLETON 4.7 W.
0700 AM SNOW 3 NNE KEN CARYL 39.62N 105.13W
02/22/2023 M1.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-376 LITTLETON 6.0 W.
0700 AM SNOW 3 WSW HIGHLANDS RANCH 39.53N 105.02W
02/22/2023 M1.0 INCH DOUGLAS CO COCORAHS
COCORAHS STATION CO-DG-250 HIGHLANDS RANCH
3.0 WSW.
0700 AM SNOW 2 NE WESTMINSTER 39.90N 105.03W
02/22/2023 M1.0 INCH ADAMS CO COCORAHS
COCORAHS STATION CO-AD-153 WESTMINSTER 1.6
NE.
0700 AM SNOW 1 SE TODD CREEK 39.97N 104.87W
02/22/2023 M1.0 INCH ADAMS CO COCORAHS
COCORAHS STATION CO-AD-123 BRIGHTON 4.0 WNW.
0800 AM SNOW 3 SW WINDSOR 40.45N 104.95W
02/22/2023 M1.0 INCH LARIMER CO COCORAHS
COCORAHS STATION CO-LR-1110 WINDSOR 2.9 SW.
0800 AM SNOW COLUMBINE 39.59N 105.08W
02/22/2023 M1.0 INCH JEFFERSON CO COCORAHS
COCORAHS STATION CO-JF-1 DENVER 11.0 SSW.
&&Local storm report, Feb 22, 11:24 AM MST, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
1124 AM MST WED FEB 22 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 AM SNOW 1 SSW DENVER INTL AIRPO 39.85N 104.68W
02/22/2023 M0.9 INCH DENVER CO OFFICIAL NWS OBS
STORM TOTAL SNOWFALL 0.7 INCHES SINCE 5AM.
&&
VCThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 12:48 PM MST | Snow Squall Warning | BOU | Clear Creek, Grand, Summit | 57 min |
| Feb 22, 2:45 PM MST | Wind Chill Warning | BOU | Adams, Arapahoe, Elbert, Larimer, Lincoln, Logan and 5 more | 18 hr |
Nearby
Snow Squall Warnings in Colorado, 2023Every snow squall warning in 2023
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.