Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 18, NWS Pendleton, OR

May 7, 2021Kittitas County, Yakima County, Washington

NWS Pendleton, OR issued this wind advisory at May 7, 2021, 8:33 AM PDT for Kittitas County, Yakima County, Washington. It took effect at May 7, 2021, 12:00 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 7, 2021, 8:33 AM PDT (15:33 UTC)
In effect from
May 7, 2021, 12:00 PM PDT
Expired
May 7, 2021, 9:00 PM PDT
In force
9 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 15:31 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, 3.6 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 2021-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 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
1 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

870 
WWUS76 KPDT 071533
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
833 AM PDT Fri May 7 2021

WAZ026-072345-
/O.NEW.KPDT.WI.Y.0018.210507T1900Z-210508T0400Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
833 AM PDT Fri May 7 2021

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

* WHAT...Northwest winds 30 to 35 mph with gusts 40 to 50 mph 
  expected.

* WHERE...Kittitas Valley.

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

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down.


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
801 
WWUS76 KPDT 072121
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
221 PM PDT Fri May 7 2021

WAZ026-080400-
/O.CON.KPDT.WI.Y.0018.000000T0000Z-210508T0400Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
221 PM PDT Fri May 7 2021

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

* WHAT...Northwest winds 30 to 35 mph with gusts 40 to 50 mph 
  expected through this evening.

* WHERE...Kittitas Valley.

* WHEN...Now through 9 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

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
739 
WWUS76 KPDT 080347
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
847 PM PDT Fri May 7 2021

WAZ026-080500-
/O.EXP.KPDT.WI.Y.0018.000000T0000Z-210508T0400Z/
Kittitas Valley-
Including the cities of Ellensburg and Thorp
847 PM PDT Fri May 7 2021

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

Winds are slowly subsiding this evening and a further slow
decrease in the winds are expected overnight. 

$$

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.