Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 24, NWS Pendleton, OR

August 30, 2021Kittitas County, Yakima County, Washington

NWS Pendleton, OR issued this wind advisory at Aug 30, 2021, 5:00 PM PDT for Kittitas County, Yakima County, Washington. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 30, 2021, 5:00 PM PDT (00:00 UTC)
Expired
Aug 30, 2021, 9:00 PM PDT
In force
4 hr
Issued by
NWS Pendleton, OR

Counties Kittitas County, WA, Yakima County, WA

The radar

The Pendleton radar (KPDT), 188 km from the middle of the area, began a volume at 00:04 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, 0.0 hours before the alert went out and 273 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 2021-08-31Temperature 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 2021-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 square meters per square second.19395878Sfc1 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
1683 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

398 
WWUS76 KPDT 310000
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
500 PM PDT Mon Aug 30 2021

WAZ026-310400-
/O.NEW.KPDT.WI.Y.0024.210831T0000Z-210831T0400Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
500 PM PDT Mon Aug 30 2021

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

* WHAT...Northwest winds 30 to 40 mph with gusts up to 50 mph 
  expected.

* WHERE...Kittitas Valley.

* 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.


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
1 follow-up statement
887 
WWUS76 KPDT 310353
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
853 PM PDT Mon Aug 30 2021

WAZ026-310500-
/O.EXP.KPDT.WI.Y.0024.000000T0000Z-210831T0400Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
853 PM PDT Mon Aug 30 2021

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

The winds across the area were decreasing. Although brief wind
gusts to 35 mph are possible...the threat for advisory level winds
had diminished. Thus the wind advisory will be allowed to expire.

$$

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

Nearby

Wind Advisories in Washington, 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.