Alert archive / California / Winter Storm Warnings in 2024
Winter Storm Warning 14, NWS Reno, NV
NWS Reno, NV issued this winter storm warning at Dec 12, 2024, 2:36 PM PST for Douglas County, Washoe County, Nevada; 8 counties in California. It took effect at Dec 13, 2024, 7:00 AM PST. It was in force for 39 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
- Dec 12, 2024, 2:36 PM PST (22:36 UTC)
- In effect from
- Dec 13, 2024, 7:00 AM PST
- Expired
- Dec 14, 2024, 10:00 PM PST
- In force
- 39 hr
- Issued by
- NWS Reno, NV
Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.6 hours before the alert went out and 401 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
- 1154 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 57 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 Reno, NV wrote its last area forecast discussion before this winter storm warning went out at Dec 12, 1:09 AM PST, 13 hours 27 minutes earlier.
Area forecast discussion, Dec 12, 1:09 AM PST, 13 hours 27 minutes before
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Winter Storm Warnings in California, 2024Winter Storm Warnings in Nevada, 2024Every winter storm warning in 2024
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.