Alert archive / Colorado / Winter Storm Warnings in 2022
Winter Storm Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Mar 16, 2022, 4:46 AM MDT for 11 counties in Colorado. It took effect at Mar 16, 2022, 6:00 PM MDT. It was in force for 18 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
- Mar 16, 2022, 4:46 AM MDT (10:46 UTC)
- In effect from
- Mar 16, 2022, 6:00 PM MDT
- Expired
- Mar 17, 2022, 12:00 PM MDT
- In force
- 18 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Park County, CO
The radar
The Denver radar (KFTG), 43 km from the middle of the area, began a volume at 10:49 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 16, 9:35 PM MDT | SNOW 2 | 1 Nw Genesee, CO | |
| Mar 16, 9:57 PM MDT | SNOW 4.5 | 4 Ne Nederland, CO | |
| Mar 17, 12:00 AM MDT | SNOW 0.2 | 3 Ssw Boulder, CO | NATIONAL WEATHER SERVICE IN BOULDER. |
| Mar 17, 12:00 AM MDT | SNOW 2 | 1 S Denver Intl Airport, CO | OFFICIAL SNOWFALL MEASUREMENT AT D.I.A. |
| Mar 17, 12:00 AM MDT | SNOW 3.3 | 1 S Denver Intl Airport, CO | CORRECTED REPORT 1.8 AT MIDNIGHT, AN ADDITIONAL 1.5 AT 0100 OBSERVATION OFFICIAL SNOWFALL MEASUREMENT AT D.I.A. |
| Mar 17, 3:40 AM MDT | SNOW 5.9 | Castle Rock, CO | |
| Mar 17, 3:59 AM MDT | SNOW 1.9 | 2 Ne Arvada, CO | |
| Mar 17, 5:00 AM MDT | SNOW 5.8 | 2 Wsw The Pinery, CO | COCORAHS STATION CO-DG-327 THE PINERY 1.6 WSW. |
| Mar 17, 5:00 AM MDT | SNOW 9 | 4 N Floyd Hill, CO | COCORAHS STATION CO-GL-34 FLOYD HILL 3.7 N. |
| Mar 17, 5:44 AM MDT | SNOW 4.6 | 3 Ssw Castle Pines, CO | |
| Mar 17, 5:45 AM MDT | SNOW 7.1 | 4 Ne The Pinery, CO | |
| Mar 17, 5:56 AM MDT | SNOW 9 | 1 Ssw Crescent Village, CO | |
| Mar 17, 6:00 AM MDT | SNOW 1.2 | 3 Ssw Boulder, CO | STORM TOTAL SNOWFALL. 1 INCH IN THE PAST 6 HOURS. |
| Mar 17, 6:00 AM MDT | SNOW 2 | 4 Wsw Arvada, CO | COCORAHS STATION CO-JF-504 ARVADA 3.6 WSW. |
| Mar 17, 6:00 AM MDT | SNOW 2.7 | 4 Nne Ken Caryl, CO | COCORAHS STATION CO-JF-518 KEN CARYL 3.5 N. |
| Mar 17, 6:00 AM MDT | SNOW 3.1 | Littleton, CO | COCORAHS STATION CO-AR-386 LITTLETON 0.1 ESE. |
| Mar 17, 6:00 AM MDT | SNOW 3.4 | 1 Wsw Aurora, CO | COCORAHS STATION CO-AR-270 AURORA 0.7 WSW. |
| Mar 17, 6:00 AM MDT | SNOW 4 | 3 Wsw Roxborough Park, CO | CO-OP OBSERVER STATION SSDC2 2.6 W ROXBOROUGH PARK. |
| Mar 17, 6:00 AM MDT | SNOW 4.5 | 3 E Guffey, CO | COCORAHS STATION CO-PK-113 2 E GUFFEY. |
| Mar 17, 6:00 AM MDT | SNOW 4.6 | 2 Se Denver Intl Airpor, CO | STORM TOTAL SNOWFALL THROUGH 6AM. |
| Mar 17, 6:00 AM MDT | SNOW 11.7 | Rollinsville, CO | COCORAHS STATION CO-GL-23 ROLLINSVILLE 0.1 WNW. |
| Mar 17, 6:00 AM MDT | SNOW 12.9 | 4 Ene Nederland, CO | COCORAHS STATION CO-BO-296 NEDERLAND 3.7 ENE. |
| Mar 17, 6:15 AM MDT | SNOW 2.5 | 2 Nne Lakewood, CO | |
| Mar 17, 6:15 AM MDT | SNOW 3.7 | 1 Ese Ken Caryl, CO | COCORAHS STATION CO-JF-338 KEN CARYL 0.6 WSW. |
| Mar 17, 6:20 AM MDT | SNOW 6 | Pine Junction, CO | REPORT VIA TWITTER. |
| Mar 17, 6:21 AM MDT | SNOW 4.5 | 3 Wsw Aurora, CO | COCORAHS STATION CO-AR-308 AURORA 2.7 WSW. |
| Mar 17, 6:30 AM MDT | SNOW 0.7 | 2 W Boulder, CO | COCORAHS STATION CO-BO-437 BOULDER 2.1 W. |
| Mar 17, 6:30 AM MDT | SNOW 10.5 | 2 Sw Golden, CO | COCORAHS STATION CO-JF-497 GOLDEN 1.6 SW. |
| Mar 17, 6:30 AM MDT | SNOW 11 | 2 Sse Harris Park, CO | DELAYED REPORT. RELAYED BY BROADCAST MEDIA. |
| Mar 17, 6:30 AM MDT | SNOW 11.3 | 1 Nnw Genesee, CO | 1.3 INCHES IN THE PAST HOUR. |
| Mar 17, 6:35 AM MDT | SNOW 10.9 | 4 Sse Pinecliffe, CO | COCORAHS STATION CO-JF-331 GOLDEN 12.5 NW. |
| Mar 17, 6:50 AM MDT | SNOW 4.3 | 3 N Cherry Creek Reserv, CO | COCORAHS STATION CO-AR-105 DENVER 6.3 SSE. |
| Mar 17, 6:54 AM MDT | SNOW 3.2 | 3 Wnw Arvada, CO | 0.73 INCHES OF LIQUID EQUIVALENT. |
| Mar 17, 7:00 AM MDT | SNOW 0.5 | 1 Se Boulder, CO | COCORAHS STATION CO-BO-409 BOULDER 1.4 SE. |
| Mar 17, 7:00 AM MDT | SNOW 0.5 | Lyons, CO | COCORAHS STATION CO-BO-146 LYONS 0.3 NNE. |
| Mar 17, 7:00 AM MDT | SNOW 0.6 | 2 N Louisville, CO | COCORAHS STATION CO-BO-468 LOUISVILLE 1.6 NNE. |
| Mar 17, 7:00 AM MDT | SNOW 0.8 | 1 Ene Boulder, CO | COCORAHS STATION CO-BO-457 BOULDER 0.7 ENE. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 1 Nnw Boulder, CO | COCORAHS STATION CO-BO-496 BOULDER 1.5 NNW. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 1 W Boulder, CO | COCORAHS STATION CO-BO-521 BOULDER 1.4 W. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 1 Wnw Boulder, CO | COCORAHS STATION CO-BO-490 BOULDER 1.5 WNW. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 2 N Boulder, CO | COCORAHS STATION CO-BO-477 BOULDER 2.3 N. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 2 Nw Longmont, CO | COCORAHS STATION CO-BO-84 LONGMONT 2.6 NW. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 3 S Erie, CO | COCORAHS STATION CO-BR-32 BROOMFIELD 3.2 NNE. |
| Mar 17, 7:00 AM MDT | SNOW 1 | 3 Ssw Niwot, CO | COCORAHS STATION CO-BO-552 BOULDER 4.8 ENE. |
| Mar 17, 7:00 AM MDT | SNOW 1.2 | 3 Nw Louisville, CO | COCORAHS STATION CO-BO-67 BOULDER 4.7 E. |
| Mar 17, 7:00 AM MDT | SNOW 1.3 | 2 Nw Boulder, CO | COCORAHS STATION CO-BO-465 BOULDER 1.8 NW. |
| Mar 17, 7:00 AM MDT | SNOW 1.3 | 2 Wnw Erie, CO | COCORAHS STATION CO-BO-285 ERIE 1.7 WNW. |
| Mar 17, 7:00 AM MDT | SNOW 1.4 | 2 Ne Henderson, CO | CO-OP OBSERVER STATION BRIC2 2.4 NE HENDERSON. |
| Mar 17, 7:00 AM MDT | SNOW 1.5 | 1 Se Todd Creek, CO | COCORAHS STATION CO-AD-123 BRIGHTON 4.0 WNW. |
| Mar 17, 7:00 AM MDT | SNOW 1.5 | 2 S Boulder, CO | COCORAHS STATION CO-BO-4 BOULDER 2.9 S. |
| Mar 17, 7:00 AM MDT | SNOW 1.7 | 2 E Broomfield, CO | COCORAHS STATION CO-BR-54 BROOMFIELD 2.4 ESE. |
| Mar 17, 7:00 AM MDT | SNOW 1.9 | 1 Nw Broomfield, CO | COCORAHS STATION CO-BO-2 BROOMFIELD 1.2 NE. |
| Mar 17, 7:00 AM MDT | SNOW 2 | 1 Ne Wheat Ridge, CO | COCORAHS STATION CO-JF-499 WHEAT RIDGE 1.2 ENE. |
| Mar 17, 7:00 AM MDT | SNOW 2 | 3 Sw Federal Heights, CO | COCORAHS STATION CO-AD-250 WESTMINSTER 3.6 SW. |
| Mar 17, 7:00 AM MDT | SNOW 2.1 | 2 Nw Marshall, CO | COCORAHS STATION CO-BO-286 BOULDER 3.5 S. |
| Mar 17, 7:00 AM MDT | SNOW 2.1 | 2 Se Commerce City, CO | COCORAHS STATION CO-DN-304 DENVER 6.0 NE. |
| Mar 17, 7:00 AM MDT | SNOW 2.1 | 2 Ssw Boulder, CO | COCORAHS STATION CO-BO-485 BOULDER 2.3 SSW. |
| Mar 17, 7:00 AM MDT | SNOW 2.1 | 4 W Arvada, CO | COCORAHS STATION CO-JF-240 ARVADA 3.8 W. |
| Mar 17, 7:00 AM MDT | SNOW 2.3 | 2 Ne Northglenn, CO | COCORAHS STATION CO-AD-100 THORNTON 2.1 N. |
| Mar 17, 7:00 AM MDT | SNOW 2.3 | 2 Se Mountain View, CO | COCORAHS STATION CO-DN-259 DENVER 4.3 WNW. |
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 154 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
- 4469 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Mar 16, 4:23 AM MDT, 23 minutes earlier.
Area forecast discussion, Mar 16, 4:23 AM MDT, 23 minutes before
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 4:46 AM MDT | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 31 hr |
Nearby
Winter Storm Warnings in Colorado, 2022Every winter storm warning in 2022
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.