Alert archive / California / Dense Smoke Advisories in 2014

Dense Smoke Advisory 3, NWS Reno, NV

September 22, 20144 counties in Nevada; 7 counties in California

NWS Reno, NV issued this dense smoke advisory at Sep 22, 2014, 2:04 PM PDT for 4 counties in Nevada; 7 counties in California. It took effect at Sep 23, 2014, 11:00 AM PDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Sep 22, 2014, 2:04 PM PDT (21:04 UTC)
In effect from: Sep 23, 2014, 11:00 AM PDT
Expired: Sep 24, 2014, 11:00 PM PDT
In force: 36 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, Lyon County, NV, Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 68 km from the middle of the area, began a volume at 21:06 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, 9.1 hours before the alert went out and 392 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: 2308 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 89 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 dense smoke 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 dense smoke advisory went out at Sep 22, 8:34 AM PDT, 5 hours 30 minutes earlier.

Area forecast discussion, Sep 22, 8:34 AM PDT, 5 hours 30 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
Sep 22, 3:19 AM PDT	Dense Smoke Advisory	REV	Douglas, Lyon, Storey, Washoe	17 hr
Sep 22, 8:04 AM PDT	Fire Weather Watch	REV	Washoe	27 hr

Nearby

Dense Smoke Advisories in California, 2014 Dense Smoke Advisories in Nevada, 2014 Every dense smoke advisory in 2014

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.