Alert archive / Washington / Wind Advisories in 2021
Wind Advisory 12, NWS Spokane, WA
NWS Spokane, WA issued this wind advisory at Oct 23, 2021, 1:47 PM PDT for Asotin County, Garfield County, Washington. It took effect at Oct 24, 2021, 8:00 AM PDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 23, 2021, 1:47 PM PDT (20:47 UTC)
- In effect from
- Oct 24, 2021, 8:00 AM PDT
- Expired
- Oct 24, 2021, 8:00 PM PDT
- In force
- 12 hr
- Issued by
- NWS Spokane, WA
Counties Asotin County, WA, Garfield County, WA
The radar
The Pendleton radar (KPDT), 134 km from the middle of the area, began a volume at 20:49 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, 8.8 hours before the alert went out and 171 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 926 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
823 WWUS76 KOTX 232047 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 147 PM PDT Sat Oct 23 2021 WAZ031-032-240500- /O.NEW.KOTX.WI.Y.0012.211024T1500Z-211025T0300Z/ Northeast Blue Mountains-Lower Garfield and Asotin Counties- Including the cities of Peola, Anatone, Clarkston Heights, Clarkston, and Pomeroy 147 PM PDT Sat Oct 23 2021 ...WIND ADVISORY IN EFFECT FROM 8 AM TO 8 PM PDT SUNDAY NORTHEAST BLUE MOUNTAINS AND POMEROY... * WHAT...Southeast winds 20 to 30 mph with gusts up to 50 mph expected Northeast Blue Mountains and Pomeroy. * WHERE...Peola, Anatone, Clarkston Heights, Clarkston, and Pomeroy. * WHEN...From 8 AM to 8 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High profile vehicles traveling on State Route 12 between Clarkston and Pomeroy including Alpowa Summit may experience dangerous cross winds on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ GKOCH
3 follow-up statements
186 WWUS76 KOTX 240316 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 816 PM PDT Sat Oct 23 2021 WAZ031-032-241730- /O.CON.KOTX.WI.Y.0012.211024T1500Z-211025T0300Z/ Northeast Blue Mountains-Lower Garfield and Asotin Counties- Including the cities of Peola, Anatone, and Pomeroy 816 PM PDT Sat Oct 23 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM PDT SUNDAY... * WHAT...Southeast winds 20 to 30 mph with gusts up to 55 mph are expected over the northeast Blue Mountains and Pomeroy. Winds will switch to the west by early evening then steadily decrease. * WHERE...Peola, Anatone, and Pomeroy. * WHEN...From 8 AM to 8 PM PDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...High profile vehicles traveling on Highway 12 east of Clarkston to Pomeroy including Alpowa Summit may experience dangerous cross winds on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ FX
726 WWUS76 KOTX 240848 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 148 AM PDT Sun Oct 24 2021 WAZ031-032-250300- /O.CON.KOTX.WI.Y.0012.211024T1500Z-211025T0300Z/ Northeast Blue Mountains-Lower Garfield and Asotin Counties- Including the cities of Peola, Pomeroy, Anatone, Mountain Road, Alpowa Summit, and Cloverland Road 148 AM PDT Sun Oct 24 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM PDT THIS EVENING... * WHAT...Southeast winds 20 to 30 mph with gusts up to 55 mph are expected over the northeast Blue Mountains and Pomeroy. Winds will switch to the west by early evening then steadily decrease. * WHERE...Peola, Pomeroy, Anatone, Mountain Road, Alpowa Summit, and Cloverland Road. * WHEN...From 8 AM this morning to 8 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. * ADDITIONAL DETAILS...High profile vehicles traveling on Highway 12 east of Clarkston to Pomeroy including Alpowa Summit may experience dangerous cross winds on Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ SB
279 WWUS76 KOTX 250253 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 753 PM PDT Sun Oct 24 2021 WAZ031-032-250400- /O.EXP.KOTX.WI.Y.0012.000000T0000Z-211025T0300Z/ Northeast Blue Mountains-Lower Garfield and Asotin Counties- Including the cities of Peola, Anatone, and Pomeroy 753 PM PDT Sun Oct 24 2021 ...WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING... The threat of strong winds has ended for the night. $$ FX
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.