Alert archive / Washington / High Wind Warnings in 2021

High Wind Warning 5, NWS Pendleton, OR

December 11, 20214 counties in Washington

NWS Pendleton, OR issued this high wind warning at Dec 11, 2021, 9:50 AM PST for 4 counties in Washington. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 11, 2021, 9:50 AM PST (17:50 UTC)
Expired
Dec 11, 2021, 4:00 PM PST
In force
6 hr
Issued by
NWS Pendleton, OR

Counties Benton County, WA, Franklin County, WA, Klickitat County, WA, Walla Walla County, WA

The radar

The Pendleton radar (KPDT), 73 km from the middle of the area, began a volume at 17:51 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.

What was reported inside it

TimeReportWhereRemark
Dec 11, 9:55 AM PSTNON-TSTM WND GST 502 Se Kennewick, WA
Dec 11, 11:15 AM PSTNON-TSTM WND GST 613 Ne Walla Walla, WAWALLA WALLA AIRPORT ASOS RECORDED WIND GUST OF 61 MPH.
Dec 11, 11:16 AM PSTNON-TSTM WND GST 62Walla Walla, WAWALLA WALLA AIRPORT
Dec 11, 11:45 AM PSTNON-TSTM WND DMG2 Se Kennewick, WA25 FT TREE,WITH 40 INCH CIRCUMFERENCE BASE, WAS UPROOTED AND BLOWN DOWN BY HIGH WINDS. FINLEY WA.
Dec 11, 11:55 AM PSTNON-TSTM WND GST 591 Nw Richland, WARICHLAND AIRPORT ASOS RECORDED WIND GUST OF 59 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 5.8 hours before the alert went out and 282 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, Spokane, WA at 12:00Z on 2021-12-11Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2021-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 565 square meters per square second.1939587897117136Sfc1 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
1159 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
565 m²/s²
0-3 km storm-relative helicity
601 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

688 
WWUS76 KPDT 111750
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
950 AM PST Sat Dec 11 2021

WAZ028-120000-
/O.UPG.KPDT.WI.Y.0034.000000T0000Z-211212T0000Z/
/O.NEW.KPDT.HW.W.0005.211211T1750Z-211212T0000Z/
Lower Columbia Basin of Washington-
Including the cities of Connell, Prosser, and Tri-Cities
950 AM PST Sat Dec 11 2021

...HIGH WIND WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON FOR
THE HANFORD AREA...

* WHAT...Southwest winds 30 to 40 mph with gusts 55 to 65 mph for
  the Hanford Area. Southwest winds 25 to 35 mph with gusts 45 to
  55 mph for the rest of the Lower Columbia Basin of Washington.

* WHERE...Lower Columbia Basin of Washington.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be difficult,
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ORZ044-049-507-508-510-511-WAZ027-029-120000-
/O.CON.KPDT.WI.Y.0034.000000T0000Z-211212T0000Z/
Lower Columbia Basin of Oregon-Grande Ronde Valley-
Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Southern Blue Mountains of Oregon-
North Central Oregon-Central Oregon-Yakima Valley-
Foothills of the Blue Mountains of Washington-
Including the cities of Boardman, Hermiston, Ione, Cove, Elgin, 
La Grande, Pendleton, Pilot Rock, Heppner, Condon, Fossil, Dufur,
Maupin, Moro, Bend, Madras, Prineville, Redmond, Naches, 
Sunnyside, Toppenish, Yakima, Dayton, Waitsburg, and Walla Walla
950 AM PST Sat Dec 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...South winds 25 to 35 mph with gusts up to 45 to 55 mph 
  expected.

* WHERE...In Washington, Foothills of the Blue Mountains of 
  Washington. In Oregon, Foothills of the Northern Blue 
  Mountains of Oregon, Lower Columbia Basin of Oregon, Central 
  Oregon, Grande Ronde Valley and Foothills of the Southern Blue 
  Mountains of Oregon.

* WHEN...From 4 AM to 4 PM PST today.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
2 follow-up statements
598 
WWUS76 KPDT 112239
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
239 PM PST Sat Dec 11 2021

WAZ027-112345-
/O.CAN.KPDT.WI.Y.0034.000000T0000Z-211212T0000Z/
Yakima Valley-
239 PM PST Sat Dec 11 2021

...WIND ADVISORY IS CANCELLED...

Winds have weakened below advisory criteria across the Yakima
valley, and are not expected to restrengthen this afternoon and
evening. Therefore, am cancelling the wind advisory for this area.

$$

WAZ028-120000-
/O.CON.KPDT.HW.W.0005.000000T0000Z-211212T0000Z/
Lower Columbia Basin of Washington-
Including the cities of Connell, Prosser, and Tri-Cities
239 PM PST Sat Dec 11 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON FOR THE HANFORD AREA...

* WHAT...Southwest winds 30 to 40 mph with gusts 50 to 60 mph for
  the Hanford Area. Southwest winds 25 to 35 mph with gusts 45 to
  55 mph for the rest of the Lower Columbia Basin of Washington.

* WHERE...Lower Columbia Basin of Washington.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Widespread power outages are expected. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

ORZ044-049-507-508-510-511-WAZ029-120000-
/O.CON.KPDT.WI.Y.0034.000000T0000Z-211212T0000Z/
Lower Columbia Basin of Oregon-Grande Ronde Valley-
Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Southern Blue Mountains of Oregon-
North Central Oregon-Central Oregon-
Foothills of the Blue Mountains of Washington-
Including the cities of Boardman, Hermiston, Ione, Cove, Elgin, 
La Grande, Pendleton, Pilot Rock, Heppner, Condon, Fossil, Dufur,
Maupin, Moro, Bend, Madras, Prineville, Redmond, Dayton, 
Waitsburg, and Walla Walla
239 PM PST Sat Dec 11 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* WHAT...South winds 25 to 35 mph with gusts up to 45 to 55 mph 
  expected.

* WHERE...In Washington, Foothills of the Blue Mountains of 
  Washington. In Oregon, Foothills of the Northern Blue 
  Mountains of Oregon, Lower Columbia Basin of Oregon, Central 
  Oregon, Grande Ronde Valley and Foothills of the Southern Blue 
  Mountains of Oregon.

* WHEN...From 4 AM to 4 PM PST today.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton
094 
WWUS76 KPDT 112341
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
341 PM PST Sat Dec 11 2021

WAZ028-120045-
/O.EXP.KPDT.HW.W.0005.000000T0000Z-211212T0000Z/
Lower Columbia Basin of Washington-
Including the cities of Connell, Prosser, and Tri-Cities
341 PM PST Sat Dec 11 2021

...HIGH WIND WARNING WILL EXPIRE AT 4 PM PST THIS AFTERNOON FOR
THE HANFORD AREA...

Winds are decreasing this afternoon and will continues decreasing
through the evening but still remaining breezy overnight. Some
local gusts of 40 to 50 mph will be possible through this evening.

$$

ORZ044-049-507-508-510-511-WAZ029-120045-
/O.EXP.KPDT.WI.Y.0034.000000T0000Z-211212T0000Z/
Lower Columbia Basin of Oregon-Grande Ronde Valley-
Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Southern Blue Mountains of Oregon-
North Central Oregon-Central Oregon-
Foothills of the Blue Mountains of Washington-
Including the cities of Boardman, Hermiston, Ione, Cove, Elgin, 
La Grande, Pendleton, Pilot Rock, Heppner, Condon, Fossil, Dufur,
Maupin, Moro, Bend, Madras, Prineville, Redmond, Dayton, 
Waitsburg, and Walla Walla
341 PM PST Sat Dec 11 2021

...WIND ADVISORY WILL EXPIRE AT 4 PM PST THIS AFTERNOON...

Winds are decreasing this afternoon and will continues decreasing
through the evening but still remaining breezy overnight. Some
local gusts of 40 to 50 mph will be possible through this evening.

$$

For more information from the National Weather Service visit
https://weather.gov/Pendleton

Nearby

High Wind Warnings in Washington, 2021Every high wind warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.