Alert archive / Washington / Wind Advisories in 2013

Wind Advisory 20, NWS Pendleton, OR

November 1, 20136 counties in Oregon; 7 counties in Washington

NWS Pendleton, OR issued this wind advisory at Nov 1, 2013, 1:48 PM PDT for 6 counties in Oregon; 7 counties in Washington. It took effect at Nov 2, 2013, 12:00 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Nov 1, 2013, 1:48 PM PDT (20:48 UTC)
In effect from: Nov 2, 2013, 12:00 PM PDT
Expired: Nov 2, 2013, 9:02 PM PDT
In force: 9 hr
Issued by: NWS Pendleton, OR

Counties Gilliam County, OR, Morrow County, OR, Sherman County, OR, Umatilla County, OR, Wasco County, OR, Wheeler County, OR, Benton County, WA, Columbia County, WA, Franklin County, WA, Kittitas County, WA, Klickitat County, WA, Walla Walla County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 77 km from the middle of the area, began a volume at 20:47 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

Spokane, WA (KOTX), launched 12:00Z, 8.8 hours before the alert went out and 329 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: 1205 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 167 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 wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Pendleton, OR wrote its last area forecast discussion before this wind advisory went out at Nov 1, 10:20 AM PDT, 3 hours 28 minutes earlier.

Area forecast discussion, Nov 1, 10:20 AM PDT, 3 hours 28 minutes before

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Nearby

Wind Advisories in Washington, 2013 Wind Advisories in Oregon, 2013 Every wind advisory in 2013

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.