Alert archive / Washington / High Wind Warnings in 2018
High Wind Warning 1, NWS Spokane, WA
NWS Spokane, WA issued this high wind warning at Feb 17, 2018, 2:25 AM PST for 10 counties in Washington. It took effect at Feb 17, 2018, 11:00 AM PST. It was in force for 10 hr. 6 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 17, 2018, 2:25 AM PST (10:25 UTC)
- In effect from
- Feb 17, 2018, 11:00 AM PST
- Expired
- Feb 17, 2018, 8:41 PM PST
- In force
- 10 hr
- Issued by
- NWS Spokane, WA
Counties Adams County, WA, Asotin County, WA, Chelan County, WA, Douglas County, WA, Garfield County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA, Whitman County, WA
The radar
The Spokane radar (KOTX), 85 km from the middle of the area, began a volume at 10:22 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 17, 11:00 AM PST | SNOW 2.7 | 2 S 5 Mile, WA | |
| Feb 17, 11:04 AM PST | SNOW 2 | Pullman, WA | VIA SOCIAL MEDIA, STILL SNOWING. |
| Feb 17, 11:23 AM PST | HEAVY SNOW 4 | Chattaroy, WA | VIA SOCIAL MEDIA. STILL SNOWING. |
| Feb 17, 11:34 AM PST | SNOW 2.3 | 2 Nnw Spokane, WA | SNOW ENDING. |
| Feb 17, 1:13 PM PST | SNOW 2.5 | 5 Mile, WA | |
| Feb 17, 1:40 PM PST | HEAVY SNOW 16 | Plain, WA | VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 10.4 hours before the alert went out and 172 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 114 kt
- 0-1 km storm-relative helicity
- 188 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
310 WWUS76 KOTX 171025 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 225 AM PST Sat Feb 17 2018 ...VERY WINDY CONDITIONS EXPECTED SATURDAY... .Very windy conditions anticipated Saturday as a strong surface low moves across the region. WAZ034-041-044-180600- /O.UPG.KOTX.WI.Y.0003.180217T1900Z-180218T0600Z/ /O.NEW.KOTX.HW.W.0001.180217T2100Z-180218T0600Z/ Moses Lake Area-Wenatchee Area-Waterville Plateau- 225 AM PST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM PST THIS EVENING... The National Weather Service in Spokane has issued a High Wind Warning...which is in effect from 1 PM this afternoon to 10 PM PST this evening. The Wind Advisory is no longer in effect. * Winds...West 25 to 40 mph with gusts up to 60 mph. Locally wind gusts could approach 70 mph around Vantage...George...Beverly and Mattawa. * Timing...Winds will begin to increase around noon, but will be the strongest from 2 pm to 7 pm. Winds should decrease late Saturday evening. * Impacts...The potential exists for downed trees and power lines across the region causing power outages. Drivers will also experience difficulty driving, especially high profile vehicles. * Locations...Moses Lake, Ephrata, Soap Lake, Othello, Quincy, George, Vantage, Beverly, Mattawa, Desert Aire, Wenatchee, Chelan, Entiat, Cashmere, Waterville, Mansfield and Palisades. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take action to secure loose or lightweight outdoor objects. High winds can topple trees, damage weakened roofs, and down powerlines. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WAZ032-033-035-180600- /O.UPG.KOTX.WI.Y.0003.180217T1900Z-180218T0600Z/ /O.NEW.KOTX.HW.W.0001.180217T1900Z-180218T0600Z/ Lower Garfield and Asotin Counties-Washington Palouse- Upper Columbia Basin- 225 AM PST Sat Feb 17 2018 ...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 10 PM PST THIS EVENING... The National Weather Service in Spokane has issued a High Wind Warning...which is in effect from 11 AM this morning to 10 PM PST this evening. The Wind Advisory is no longer in effect. * Winds...Southwest 25 to 40 mph with gusts up to 60 mph. Locally gusts could approach 65 mph. The strongest winds will occur south of I-90 in the Columbia Basin, southern Whitman county and along Highway 12 in southeast Washington. * Timing...Winds will begin to increase after 11 am Saturday but will be the strongest from 1 pm to 8 pm. Winds should decrease late Saturday evening. * Impacts...The potential exists for downed trees and power lines across the region causing power outages. Drivers will also experience difficulty driving, especially high profile vehicles. * Locations...Pomeroy, Dodge, Mayview, Colton, Pullman, Colfax, La Crosse, Oakesdale, Uniontown, Ritzville, Odessa, and Coulee City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take action to secure loose or lightweight outdoor objects. High winds can topple trees, damage weakened roofs, and down powerlines. A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ IDZ027-180600- /O.EXB.KOTX.WI.Y.0003.180217T2000Z-180218T0600Z/ Lewis and Southern Nez Perce Counties- 225 AM PST Sat Feb 17 2018 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... The National Weather Service in Spokane has issued a Wind Advisory...which is in effect from noon today to 10 PM PST this evening. * Winds...Southwest 25 to 35 mph with gusts up to 50 mph. The higher terrain west of Winchester could see higher gusts. * Timing...Winds will begin to increase after noon but will be the strongest from 4 pm to 9 pm. Winds should decrease late Saturday evening. * Impacts...The potential exists for downed trees and power lines across the region causing power outages. Drivers will also experience difficulty driving, especially high profile vehicles. * Locations...Craigmont, Winchester, Waha and Reubens. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take action to secure loose or lightweight outdoor objects. High winds can topple trees, damage weakened roofs, and down powerlines. A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ IDZ003-026-WAZ036-180600- /O.EXT.KOTX.WI.Y.0003.180217T2000Z-180218T0600Z/ Idaho Palouse-Lewiston Area-Spokane Area- 225 AM PST Sat Feb 17 2018 ...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO 10 PM PST THIS EVENING... * Winds...Southwest 20 to 35 mph with gusts up to 50 mph. Higher terrain above 2500 feet could see local gusts up to 60 mph. * Timing...Winds will begin to increase after noon but will be the strongest from 2 pm to 7 pm. Winds should decrease late Saturday evening. * Impacts...The potential exists for downed trees and power lines across the region causing power outages. Drivers will also experience difficulty driving, especially high profile vehicles. * Locations...Lewiston, Lapwai, Peck, Culdesac, Gifford, Moscow, Plummer, Potlatch, Genesee, Spokane, Cheney, Davenport, and Rockford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take action to secure loose or lightweight outdoor objects. High winds can topple trees, damage weakened roofs, and down powerlines. A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$
1 follow-up statement
454 WWUS76 KOTX 180441 NPWOTX URGENT - WEATHER MESSAGE National Weather Service Spokane WA 841 PM PST Sat Feb 17 2018 WAZ032>035-041-044-180545- /O.CAN.KOTX.HW.W.0001.000000T0000Z-180218T0600Z/ Lower Garfield and Asotin Counties-Washington Palouse- Moses Lake Area-Upper Columbia Basin-Wenatchee Area- Waterville Plateau- 841 PM PST Sat Feb 17 2018 ...HIGH WIND WARNING IS CANCELLED... The National Weather Service in Spokane has cancelled the High Wind Warning. Winds are decreasing below critical thresholds, thus the High Wind Warning is cancelled. $$ IDZ003-026-027-WAZ036-180545- /O.CAN.KOTX.WI.Y.0003.000000T0000Z-180218T0600Z/ Idaho Palouse-Lewiston Area-Lewis and Southern Nez Perce Counties- Spokane Area- 841 PM PST Sat Feb 17 2018 ...WIND ADVISORY IS CANCELLED... The National Weather Service in Spokane has cancelled the Wind Advisory. Winds are decreasing below critical thresholds, thus the Wind Advisory is cancelled. $$
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 1:09 PM PST | Winter Weather Advisory | OTX | Asotin, Garfield, Lincoln, Spokane, Whitman | 45 hr |
Nearby
High Wind Warnings in Washington, 2018Every high wind warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.