Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 22, NWS Pendleton, OR

July 21, 2021Kittitas County, Yakima County, Washington

NWS Pendleton, OR issued this wind advisory at Jul 21, 2021, 9:36 AM PDT for Kittitas County, Yakima County, Washington. It took effect at Jul 21, 2021, 2:00 PM PDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Jul 21, 2021, 9:36 AM PDT (16:36 UTC)
In effect from
Jul 21, 2021, 2:00 PM PDT
Expired
Jul 21, 2021, 9:21 PM PDT
In force
7 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 16:40 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 12:00Z, 4.6 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 12:00Z on 2021-07-21Temperature 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, Salem/Mcnary, OR at 12:00Z on 2021-07-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
892 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

274 
WWUS76 KPDT 211636
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
936 AM PDT Wed Jul 21 2021

WAZ026-220100-
/O.NEW.KPDT.WI.Y.0022.210721T2100Z-210722T0600Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
936 AM PDT Wed Jul 21 2021

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM PDT
THIS EVENING...

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

* WHERE...Kittitas Valley.

* WHEN...From 2 PM this afternoon to 11 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
799 
WWUS76 KPDT 220421
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
921 PM PDT Wed Jul 21 2021

WAZ026-220530-
/O.CAN.KPDT.WI.Y.0022.000000T0000Z-210722T0600Z/
Kittitas Valley-
921 PM PDT Wed Jul 21 2021

...WIND ADVISORY IS CANCELLED...

Winds have decreased across the area, and while they are expected 
to remain gusty through the night, they are expected to gradually 
decrease and remain below advisory criteria.

$$

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.