Alert archive / Washington / Wind Advisories in 2021

Wind Advisory 13, NWS Spokane, WA

October 28, 20216 counties in Washington

NWS Spokane, WA issued this wind advisory at Oct 28, 2021, 11:26 AM PDT for 6 counties in Washington. It took effect at Oct 28, 2021, 1:00 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2021, 11:26 AM PDT (18:26 UTC)
In effect from
Oct 28, 2021, 1:00 PM PDT
Expired
Oct 28, 2021, 9:38 PM PDT
In force
9 hr
Issued by
NWS Spokane, WA

Counties Adams County, WA, Douglas County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA

The radar

The Spokane radar (KOTX), 94 km from the middle of the area, began a volume at 18:28 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

Spokane, WA (KOTX), launched 12:00Z, 6.4 hours before the alert went out and 186 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 2021-10-28Temperature 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, Spokane, WA at 12:00Z on 2021-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.1939587897117Sfc1 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
887 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
502 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

590 
WWUS76 KOTX 281826
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1126 AM PDT Thu Oct 28 2021

WAZ035-036-290600-
/O.NEW.KOTX.WI.Y.0013.211028T2000Z-211029T0600Z/
Upper Columbia Basin-Spokane Area-
Including the cities of Creston, Ralston, Cheney, Lamona,
Harrington, Davenport, Ritzville, and Odessa
1126 AM PDT Thu Oct 28 2021

...WIND ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Southwest winds increasing this afternoon and persisting 
  into the evening: 20 to 30 mph with gusts 40 to 50 mph expected.

* WHERE...Creston, Ralston, Cheney, Airway Heights, Lamona, 
  Harrington, Davenport, Ritzville, and Odessa.

* WHEN...Until 11 PM PDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

JW
1 follow-up statement
123 
WWUS76 KOTX 290438
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
938 PM PDT Thu Oct 28 2021

WAZ035-036-290545-
/O.CAN.KOTX.WI.Y.0013.000000T0000Z-211029T0600Z/
Upper Columbia Basin-Spokane Area-
Including the cities of Creston, Ralston, Cheney, Lamona,
Harrington, Davenport, Ritzville, and Odessa
938 PM PDT Thu Oct 28 2021

...WIND ADVISORY IS CANCELLED...

The threat of strong winds has ended for the night. 

$$

RP

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.