Alert archive / California / Lake Wind Advisories in 2007

Lake Wind Advisory 1, NWS Reno, NV

August 11, 20076 counties in Nevada; 8 counties in California

NWS Reno, NV issued this lake wind advisory at Aug 11, 2007, 2:37 PM PDT for 6 counties in Nevada; 8 counties in California. It took effect at Aug 12, 2007, 12:00 PM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: Aug 11, 2007, 2:37 PM PDT (21:37 UTC)
In effect from: Aug 12, 2007, 12:00 PM PDT
Expired: Aug 12, 2007, 7:00 PM PDT
In force: 7 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, Churchill County, NV, Douglas County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 49 km from the middle of the area, began a volume at 21:39 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

Reno, NV (KREV), launched 12:00Z, 9.6 hours before the alert went out and 134 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3031 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 11, 2:28 AM PDT, 12 hours 9 minutes earlier.

Area forecast discussion, Aug 11, 2:28 AM PDT, 12 hours 9 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
Aug 10, 10:05 PM PDT	Red Flag Warning	REV	Washoe	23 hr
Aug 11, 2:50 PM PDT	Red Flag Warning	REV	Washoe	31 hr

Nearby

Lake Wind Advisories in California, 2007 Lake Wind Advisories in Nevada, 2007 Every lake wind advisory in 2007

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.