Alert archive / Nevada / Lake Wind Advisories in 2012

Lake Wind Advisory 78, NWS Reno, NV

December 22, 20124 counties in Nevada

NWS Reno, NV issued this lake wind advisory at Dec 22, 2012, 4:11 AM PST for 4 counties in Nevada. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Dec 22, 2012, 4:11 AM PST (12:11 UTC)
Expired: Dec 22, 2012, 10:00 AM PST
In force: 6 hr
Issued by: NWS Reno, NV

Counties Churchill County, NV, Lyon County, NV, Pershing County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 52 km from the middle of the area, began a volume at 12:15 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, 0.2 hours before the alert went out and 376 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 123 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 789 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake wind 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 lake wind advisory went out at Dec 21, 3:36 PM PST, 12 hours 35 minutes earlier.

Area forecast discussion, Dec 21, 3:36 PM PST, 12 hours 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 22, 4:11 AM PST	Wind Advisory	REV	Douglas, Lyon, Mineral, Storey, Washoe	11 hr
Dec 22, 5:07 AM PST	Winter Weather Advisory	REV	Churchill, Lyon, Pershing, Washoe	10 hr
Dec 22, 2:49 PM PST	Winter Weather Advisory	REV	Washoe	25 hr

Nearby

Lake Wind Advisories in Nevada, 2012 Every lake wind 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.