Alert archive / Oregon / Wind Advisories in 2023

Wind Advisory 15, NWS Pendleton, OR

February 20, 20239 counties in Oregon; Klickitat County, Yakima County, Washington

NWS Pendleton, OR issued this wind advisory at Feb 20, 2023, 3:42 AM PST for 9 counties in Oregon; Klickitat County, Yakima County, Washington. It took effect at Feb 20, 2023, 6:00 PM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 2023, 3:42 AM PST (11:42 UTC)
In effect from
Feb 20, 2023, 6:00 PM PST
Expired
Feb 21, 2023, 9:36 AM PST
In force
16 hr
Issued by
NWS Pendleton, OR

Counties Crook County, OR, Deschutes County, OR, Gilliam County, OR, Grant County, OR, Jefferson County, OR, Morrow County, OR, Sherman County, OR, Wasco County, OR, Wheeler County, OR, Klickitat County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 144 km from the middle of the area, began a volume at 11:42 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 00:00Z, 11.7 hours before the alert went out and 353 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-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2023-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2023-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2183 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 19, 9:25 PM PSTWind AdvisoryPDTGilliam, Morrow, Umatilla, Wheeler13 hr

Nearby

Wind Advisories in Oregon, 2023Wind Advisories in Washington, 2023Every wind advisory in 2023

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.