Alert archive / Nevada / Snow Advisories in 2007

Snow Advisory 9, NWS Elko, NV

April 17, 2007Elko County, Humboldt County, Nevada

NWS Elko, NV issued this snow advisory at Apr 17, 2007, 3:18 PM PDT for Elko County, Humboldt County, Nevada. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Apr 17, 2007, 3:18 PM PDT (22:18 UTC)
Expired: Apr 18, 2007, 2:00 PM PDT
In force: 23 hr
Issued by: NWS Elko, NV

Counties Elko County, NV, Humboldt County, NV

The radar

The Elko radar (KLRX), 60 km from the middle of the area, began a volume at 22:20 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.3 hours before the alert went out and 259 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: 3057 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 173 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Elko, NV wrote its last area forecast discussion before this snow advisory went out at Apr 17, 3:57 AM PDT, 11 hours 21 minutes earlier.

Area forecast discussion, Apr 17, 3:57 AM PDT, 11 hours 21 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 17, 2:03 AM PDT	Wind Advisory	LKN	Eureka, Lander, White Pine	19 hr

Nearby

Snow Advisories in Nevada, 2007 Every snow 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.