Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 17, NWS Pendleton, OR

April 30, 2021Kittitas County, Klickitat County, Yakima County, Washington; Gilliam County, Sherman County, Wasco County, Oregon

NWS Pendleton, OR issued this wind advisory at Apr 30, 2021, 7:23 PM PDT for Kittitas County, Klickitat County, Yakima County, Washington; Gilliam County, Sherman County, Wasco County, Oregon. It took effect at May 1, 2021, 12:00 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2021, 7:23 PM PDT (02:23 UTC)
In effect from
May 1, 2021, 12:00 PM PDT
Expired
May 1, 2021, 9:00 PM PDT
In force
9 hr
Issued by
NWS Pendleton, OR

Counties Gilliam County, OR, Sherman County, OR, Wasco County, OR, Kittitas County, WA, Klickitat County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 146 km from the middle of the area, began a volume at 02:27 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

Salem/Mcnary, OR (KSLE), launched 00:00Z, 2.4 hours before the alert went out and 209 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, Salem/Mcnary, OR at 00:00Z on 2021-05-01Temperature 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, Salem/Mcnary, OR at 00:00Z on 2021-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.1939587897Sfc1 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
1072 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
161 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

044 
WWUS76 KPDT 010223
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
723 PM PDT Fri Apr 30 2021

ORZ041-WAZ024-026-011200-
/O.NEW.KPDT.WI.Y.0017.210501T1900Z-210502T0400Z/
Eastern Columbia River Gorge of Oregon-
Eastern Columbia River Gorge of Washington-Kittitas Valley-
Including the cities of Arlington, The Dalles, White Salmon, 
Ellensburg, and Thorp
723 PM PDT Fri Apr 30 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 9 PM PDT SATURDAY...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...In Washington, Eastern Columbia River Gorge and the
  Kittitas Valley. In Oregon, Eastern Columbia River Gorge.

* WHEN...From noon to 9 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Drivers along Interstate 84 and Highway 14
  through the Eastern Columbia River Gorge and Interstate 90
  through the Kittitas Valley should be prepared for sudden wind
  gusts.

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
3 follow-up statements
840 
WWUS76 KPDT 010924
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
224 AM PDT Sat May 1 2021

ORZ041-WAZ024-026-020000-
/O.CON.KPDT.WI.Y.0017.210501T1900Z-210502T0400Z/
Eastern Columbia River Gorge of Oregon-
Eastern Columbia River Gorge of Washington-Kittitas Valley-
Including the cities of Arlington, The Dalles, White Salmon, 
Ellensburg, and Thorp
224 AM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT
THIS EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...In Washington, Kittitas Valley and Eastern Columbia 
  River Gorge of Washington. In Oregon, Eastern Columbia River 
  Gorge of Oregon.

* WHEN...From noon today to 9 PM PDT this evening.

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

* ADDITIONAL DETAILS...Drivers along Interstate 84 and Highway 14
  through the Eastern Columbia River Gorge and Interstate 90
  through the Kittitas Valley should be prepared for sudden wind
  gusts.

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
872 
WWUS76 KPDT 011630
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
930 AM PDT Sat May 1 2021

ORZ041-WAZ024-026-020400-
/O.CON.KPDT.WI.Y.0017.210501T1900Z-210502T0400Z/
Eastern Columbia River Gorge of Oregon-
Eastern Columbia River Gorge of Washington-Kittitas Valley-
Including the cities of Arlington, The Dalles, White Salmon, 
Ellensburg, and Thorp
930 AM PDT Sat May 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...In Washington, Kittitas Valley and Eastern Columbia 
  River Gorge of Washington. In Oregon, Eastern Columbia River 
  Gorge of Oregon.

* WHEN...Until 9 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Patchy blowing dust will be possible in and around recently
  plowed and fallow fields.

* ADDITIONAL DETAILS...Drivers along Interstate 84 and Highway 14
  through the Eastern Columbia River Gorge, and Interstate 90 
  through the Kittitas Valley should be prepared for sudden wind 
  gusts.

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
590 
WWUS76 KPDT 020344
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
844 PM PDT Sat May 1 2021

ORZ041-WAZ024-026-020445-
/O.EXP.KPDT.WI.Y.0017.000000T0000Z-210502T0400Z/
Eastern Columbia River Gorge of Oregon-
Eastern Columbia River Gorge of Washington-Kittitas Valley-
Including the cities of Arlington, The Dalles, White Salmon, 
Ellensburg, and Thorp
844 PM PDT Sat May 1 2021

...WIND ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING...

The strong winds are decreasing and will continue to decrease
through the night. The Wind Advisory is no longer in effect.

$$

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

Nearby

Wind Advisories in Washington, 2021Wind Advisories in Oregon, 2021Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.