Alert archive / Nevada / Winter Storm Warnings in 2020

Winter Storm Warning 1, NWS Elko, NV

January 12, 2020Elko County, Humboldt County, White Pine County, Nevada

NWS Elko, NV issued this winter storm warning at Jan 12, 2020, 6:42 AM PST for Elko County, Humboldt County, White Pine County, Nevada. It took effect at Jan 12, 2020, 4:00 PM PST. It was in force for 46 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
Jan 12, 2020, 6:42 AM PST (14:42 UTC)
In effect from
Jan 12, 2020, 4:00 PM PST
Expired
Jan 14, 2020, 1:50 PM PST
In force
46 hr
Issued by
NWS Elko, NV

Counties Elko County, NV, Humboldt County, NV, White Pine County, NV

The radar

The Elko radar (KLRX), 58 km from the middle of the area, began a volume at 14:42 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

Reno, NV (KREV), launched 12:00Z, 2.7 hours before the alert went out and 214 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, Reno, NV at 12:00Z on 2020-01-12Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2020-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 352 square meters per square second.1939587897117Sfc1 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
1645 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
352 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 6:42 AM PSTWinter Weather AdvisoryLKNElko, Eureka, Humboldt, Lander55 hr

Nearby

Winter Storm Warnings in Nevada, 2020Every winter storm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.