Alert archive / Nevada / Winter Storm Warnings in 2023

Winter Storm Warning 5, NWS Las Vegas, NV

February 20, 2023Lincoln County, Nevada

NWS Las Vegas, NV issued this winter storm warning at Feb 20, 2023, 2:07 AM PST for Lincoln County, Nevada. It took effect at Feb 21, 2023, 4:00 PM PST. It was in force for 18 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: Feb 20, 2023, 2:07 AM PST (10:07 UTC)
In effect from: Feb 21, 2023, 4:00 PM PST
Expired: Feb 22, 2023, 10:19 AM PST
In force: 18 hr
Issued by: NWS Las Vegas, NV

County Lincoln County, NV

The radar

The Cedar City radar (KICX), 178 km from the middle of the area, began a volume at 10:05 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

Elko, NV (KLKN), launched 00:00Z, 10.1 hours before the alert went out and 364 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: 1685 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 236 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 winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Las Vegas, NV wrote its last area forecast discussion before this winter storm warning went out at Feb 19, 8:18 PM PST, 5 hours 49 minutes earlier.

Area forecast discussion, Feb 19, 8:18 PM PST, 5 hours 49 minutes before

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The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 20, 1:54 AM PST	High Wind Warning	VEF	Inyo, San Bernardino	56 hr
Feb 20, 2:07 AM PST	Winter Weather Advisory	VEF	Mohave	62 hr

Nearby

Winter Storm Warnings in Nevada, 2023 Every winter storm 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.