Alert archive / Washington / High Wind Watches in 2021
High Wind Watch 2, NWS Spokane, WA
NWS Spokane, WA issued this high wind watch at Feb 5, 2021, 1:15 PM PST for Chelan County, Douglas County, Grant County, Washington. It took effect at Feb 6, 2021, 4:00 AM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 5, 2021, 1:15 PM PST (21:15 UTC)
- In effect from
- Feb 6, 2021, 4:00 AM PST
- Expired
- Feb 5, 2021, 7:26 PM PST
- In force
- Issued by
- NWS Spokane, WA
Counties Chelan County, WA, Douglas County, WA, Grant County, WA
The radar
The Spokane radar (KOTX), 172 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 264 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
- 867 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 413 m²/s²
- 0-3 km storm-relative helicity
- 508 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
773 WWUS76 KOTX 052115 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 115 PM PST Fri Feb 5 2021 WAZ041-044-060515- /O.NEW.KOTX.HW.A.0002.210206T1200Z-210207T0400Z/ Wenatchee Area-Waterville Plateau- Including the cities of Wenatchee, Chelan, Entiat, Cashmere, Waterville, and Mansfield 115 PM PST Fri Feb 5 2021 ...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING... * WHAT...West winds 20 to 35 mph with gusts of 50 to 60 mph possible. * WHERE...Wenatchee Area and Waterville Plateau. * WHEN...From late tonight through Saturday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$ KD
1 follow-up statement
423 WWUS76 KOTX 060326 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 726 PM PST Fri Feb 5 2021 WAZ041-044-061400- /O.UPG.KOTX.HW.A.0002.210206T1200Z-210207T0400Z/ /O.NEW.KOTX.HW.W.0002.210206T1200Z-210207T0100Z/ Wenatchee Area-Waterville Plateau- Including the cities of Wenatchee, Chelan, Entiat, Cashmere, Waterville, and Mansfield 726 PM PST Fri Feb 5 2021 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TO 5 PM PST SATURDAY... * WHAT...West winds 15 to 35 mph with gusts 50 to 65 mph expected. * WHERE...Wenatchee Area and Waterville Plateau. * WHEN...From 4 AM to 5 PM PST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Potential for damaging winds will come in two waves. The first wave of winds will arrive in the early morning around sunrise. These winds will be very sporadic with the strongest winds expected on the Waterville Plateau. There is lower confidence if this first wave of winds will surface in the Wenatchee Area. A second wave of high winds will arrive in the afternoon with the passage of a cold front. These winds will become more widespread and frequent. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WAZ032-061400- /O.NEW.KOTX.WI.Y.0003.210206T1500Z-210207T0300Z/ Lower Garfield and Asotin Counties- Including the cities of Clarkston and Pomeroy 726 PM PST Fri Feb 5 2021 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM PST SATURDAY... * WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Lower Garfield and Asotin Counties. * WHEN...From 7 AM to 7 PM PST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Dangerous cross winds will impact Highway 12 between Lewiston and Starbuck. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ WAZ033>035-061400- /O.NEW.KOTX.WI.Y.0003.210206T1800Z-210207T0300Z/ Washington Palouse-Moses Lake Area-Upper Columbia Basin- Including the cities of Pullman, Colfax, Rosalia, La Crosse, Oakesdale, Tekoa, Uniontown, Moses Lake, Ephrata, Othello, Quincy, Ritzville, Grand Coulee, Odessa, Wilbur, and Coulee City 726 PM PST Fri Feb 5 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM PST SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Washington Palouse, Moses Lake Area and Upper Columbia Basin. * WHEN...From 10 AM to 7 PM PST Saturday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 4, 8:20 PM PST | Wind Advisory | OTX | Asotin, Garfield | 15 hr |
| Feb 5, 1:49 PM PST | Winter Storm Warning | OTX | 65 hr | |
| Feb 5, 1:49 PM PST | Winter Weather Advisory | OTX | 38 hr |
Nearby
High Wind Watches in Washington, 2021Every high wind watch 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.