Alert archive / California / Winter Storm Watches in 2018
Winter Storm Watch 2, NWS Reno, NV
NWS Reno, NV issued this winter storm watch at Jan 15, 2018, 2:32 PM PST for Douglas County, Washoe County, Nevada; 7 counties in California. It took effect at Jan 18, 2018, 12:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 15, 2018, 2:32 PM PST (22:32 UTC)
- In effect from
- Jan 18, 2018, 12:00 PM PST
- Expired
- Jan 17, 2018, 2:32 PM PST
- In force
- Issued by
- NWS Reno, NV
Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 80 km from the middle of the area, began a volume at 22:33 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.5 hours before the alert went out and 379 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
- 1856 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 112 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 watch 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 watch went out at Jan 15, 3:17 AM PST, 11 hours 15 minutes earlier.
Area forecast discussion, Jan 15, 3:17 AM PST, 11 hours 15 minutes before
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Special weather statement, Jan 15, 2:08 PM PST, 24 minutes before
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</html>Nearby
Winter Storm Watches in California, 2018Winter Storm Watches in Nevada, 2018Every winter storm watch in 2018
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.