Alert archive / Wyoming / Snow Squall Warnings in 2023

Snow Squall Warning 9, NWS Cheyenne, WY

March 3, 2023Albany County, Laramie County, Wyoming

NWS Cheyenne, WY issued this snow squall warning at Mar 3, 2023, 3:26 PM MST for Albany County, Laramie County, Wyoming. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 3, 2023, 3:26 PM MST (22:26 UTC)
Expired: Mar 3, 2023, 4:00 PM MST
In force: 34 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon

Counties Albany County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 50 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 382 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1143 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What 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 Cheyenne, WY wrote its last area forecast discussion before this snow squall warning went out at Mar 2, 4:46 PM MST, 22 hours 40 minutes earlier.

Area forecast discussion, Mar 2, 4:46 PM MST, 22 hours 40 minutes before

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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 3, 2:29 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	63 hr
Mar 3, 1:00 PM MST	Special Weather Statement	CYS	Albany	45 min
Mar 3, 2:59 PM MST	Snow Squall Warning	CYS	Albany, Goshen, Laramie, Platte	31 min

Nearby

Snow Squall Warnings in Wyoming, 2023 Every 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.