Alert archive / California / Snow Squall Warnings in 2020
Snow Squall Warning 1, NWS Reno, NV
NWS Reno, NV issued this snow squall warning at Nov 8, 2020, 12:09 PM PST for Douglas County, Nevada; El Dorado County, Placer County, California. It was in force for 66 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
- Nov 8, 2020, 12:09 PM PST (20:09 UTC)
- Expired
- Nov 8, 2020, 1:15 PM PST
- In force
- 66 min
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
Counties El Dorado County, CA, Placer County, CA, Douglas County, NV
The radar
The Reno radar (KRGX), 117 km from the middle of the area, began a volume at 20:08 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
Oakland, CA (KOAK), launched 12:00Z, 8.2 hours before the alert went out and 213 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
- 1258 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Reno, NV wrote its last area forecast discussion before this snow squall warning went out at Nov 8, 9:50 AM PST, 2 hours 19 minutes earlier.
Area forecast discussion, Nov 8, 9:50 AM PST, 2 hours 19 minutes before
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Special weather statement, Nov 8, 8:10 AM PST, 3 hours 59 minutes before
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</html>Local storm report, Nov 8, 9:33 AM PST, 2 hours 36 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 8, 1:37 AM PST | Special Weather Statement | REV | Douglas, Lyon, Storey | 3 hr |
| Nov 8, 8:10 AM PST | Special Weather Statement | REV | Douglas | 110 min |
| Nov 8, 10:07 AM PST | Special Weather Statement | REV | Douglas, Lyon | 113 min |
| Nov 8, 1:30 PM PST | Special Weather Statement | REV | 45 min |
Nearby
Snow Squall Warnings in California, 2020Snow Squall Warnings in Nevada, 2020Every snow squall 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.