Alert archive / California / Winter Weather Advisories in 2012
Winter Weather Advisory 13, NWS Reno, NV
NWS Reno, NV issued this winter weather advisory at Mar 30, 2012, 3:01 PM PDT for Douglas County, Washoe County, Nevada; 7 counties in California. It took effect at Mar 31, 2012, 2:00 PM PDT. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Mar 30, 2012, 3:01 PM PDT (22:01 UTC)
- In effect from
- Mar 31, 2012, 2:00 PM PDT
- Expired
- Apr 1, 2012, 3:15 AM PDT
- In force
- 13 hr
- 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 21:58 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, 10.0 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
- 956 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 547 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 weather advisory 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 weather advisory went out at Mar 30, 2:35 PM PDT, 26 minutes earlier.
Area forecast discussion, Mar 30, 2:35 PM PDT, 26 minutes before
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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 |
|---|---|---|---|---|
| Mar 30, 3:59 AM PDT | Lake Wind Advisory | REV | Churchill, Douglas, Lyon, Pershing, Washoe | 16 hr |
| Mar 30, 2:50 PM PDT | High Wind Warning | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more | 29 hr |
Nearby
Winter Weather Advisories in California, 2012Winter Weather Advisories in Nevada, 2012Every winter weather advisory in 2012
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.