Alert archive / Washington / Wind Advisories in 2018

Wind Advisory 3, NWS Spokane, WA

February 16, 201810 counties in Washington; 4 counties in Idaho

NWS Spokane, WA issued this wind advisory at Feb 16, 2018, 2:41 AM PST for 10 counties in Washington; 4 counties in Idaho. It took effect at Feb 17, 2018, 11:00 AM PST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 16, 2018, 2:41 AM PST (10:41 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 Benewah County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, 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), 70 km from the middle of the area, began a volume at 10:44 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 00:00Z, 10.7 hours before the alert went out and 140 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 00:00Z on 2018-02-16Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2018-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1916 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

824 
WWUS76 KOTX 161041
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
241 AM PST Fri Feb 16 2018

...VERY WINDY CONDITIONS EXPECTED SATURDAY...

.A strong surface low will move across the region Saturday with 
the potential of very strong winds aloft being mixed down to the 
surface. 

IDZ003-026-WAZ032>036-041-044-162045-
/O.NEW.KOTX.WI.Y.0003.180217T1900Z-180218T0600Z/
Idaho Palouse-Lewiston Area-Lower Garfield and Asotin Counties-
Washington Palouse-Moses Lake Area-Upper Columbia Basin-
Spokane Area-Wenatchee Area-Waterville Plateau-
241 AM PST Fri Feb 16 2018

...WIND ADVISORY IN EFFECT FROM 11 AM TO 10 PM PST SATURDAY...

The National Weather Service in Spokane has issued a Wind
Advisory...which is in effect from 11 AM to 10 PM PST Saturday.

* Winds...Southwest 25 to 35 mph with gusts to 55 mph. The 
  strongest wind gusts will occur across the Waterville Plateau, 
  along and south of I-90 across the Columbia Basin, the Palouse 
  and along Highway 12 in Washington.

* Timing...Winds will begin to increase after 11 am but will be
  their strongest from 1 pm to 9 pm. 

* 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...Moscow, Plummer, Potlatch, Genesee, Lewiston,
  Lapwai, Peck, Culdesac, Gifford, Clarkston, Pomeroy, Pullman,
  Colfax, Rosalia, La Crosse, Oakesdale, Tekoa, Uniontown, Moses
  Lake, Ephrata, Othello, Quincy, George, Beverly, Mattawa, Desert
  Aire, Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, 
  Spokane, Cheney, Davenport, Rockford, Wenatchee, Chelan, Entiat,
  Cashmere, Waterville, and Mansfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take action to secure trash cans, lawn furniture, and other loose
or lightweight outdoor objects. High winds can topple trees, blow
weakened roofs off houses and down powerlines. 

A Wind Advisory means that winds of 30 mph are expected. Winds 
this strong can make driving difficult...especially for high 
profile vehicles. Use extra caution.

&&

$$
4 follow-up statements
204 
WWUS76 KOTX 162031
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
1231 PM PST Fri Feb 16 2018

...VERY WINDY CONDITIONS EXPECTED SATURDAY...

.Expect breezy winds this afternoon. Very windy conditions 
anticipated for Saturday as a strong surface low moves across the 
region. 

IDZ003-026-WAZ032>036-041-044-171300-
/O.CON.KOTX.WI.Y.0003.180217T1900Z-180218T0600Z/
Idaho Palouse-Lewiston Area-Lower Garfield and Asotin Counties-
Washington Palouse-Moses Lake Area-Upper Columbia Basin-
Spokane Area-Wenatchee Area-Waterville Plateau-
1231 PM PST Fri Feb 16 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 10 PM PST
SATURDAY...

* Winds...Southwest 25 to 35 mph with gusts of 50 mph. Locally
  wind gusts could approach 60 mph across the Waterville Plateau,
  along and south of I-90 in the Columbia Basin, across the 
  Palouse, and along Highway 12 in southeast Washington. 

* Timing...Winds will begin to increase after 11 am Saturday but
  will be the strongest from 2 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...Lewiston, Lapwai, Peck, Culdesac, Gifford, Moscow, 
  Plummer, Potlatch, Genesee, Wenatchee, Chelan, Entiat, Cashmere,
  Waterville, Mansfield, Pullman, Colfax, Rosalia, La Crosse, 
  Oakesdale, Tekoa, Uniontown, Clarkston, Pomeroy, Ritzville, 
  Grand Coulee, Odessa, Wilbur, Coulee City, Moses Lake, Ephrata, 
  Othello, Quincy, 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.

&&

$$
327 
WWUS76 KOTX 170552
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
952 PM PST Fri Feb 16 2018

...VERY WINDY CONDITIONS EXPECTED SATURDAY...

.Very windy conditions anticipated Saturday as a strong surface 
low moves across the region.

IDZ003-026-WAZ032>036-041-044-171800-
/O.CON.KOTX.WI.Y.0003.180217T1900Z-180218T0600Z/
Idaho Palouse-Lewiston Area-Lower Garfield and Asotin Counties-
Washington Palouse-Moses Lake Area-Upper Columbia Basin-
Spokane Area-Wenatchee Area-Waterville Plateau-
952 PM PST Fri Feb 16 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM TO 10 PM PST
SATURDAY...

* Winds...Southwest 25 to 35 mph with gusts up to 50 mph. Locally
  wind gusts could approach 60 mph across the Waterville Plateau,
  along and south of I-90 in the Columbia Basin, across the 
  Palouse, and along Highway 12 in southeast Washington. 

* Timing...Winds will begin to increase after 11 am Saturday but 
  will be the strongest from 2 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...Lewiston, Lapwai, Peck, Culdesac, Gifford, Moscow, 
  Plummer, Potlatch, Genesee, Wenatchee, Chelan, Entiat, 
  Cashmere, Waterville, Mansfield, Pullman, Colfax, Rosalia, La 
  Crosse, Oakesdale, Tekoa, Uniontown, Clarkston, Pomeroy, 
  Ritzville, Grand Coulee, Odessa, Wilbur, Coulee City, Moses 
  Lake, Ephrata, Othello, Quincy, 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.

&&

$$
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.

&&

$$
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.

IssuedProductOfficeCountiesLasted
Feb 16, 2:02 PM PSTWinter Storm WarningOTXAsotin, Ferry, Garfield, Okanogan, Pend Oreille, Spokane and 1 more55 hr
Feb 16, 2:08 PM PSTWinter Weather AdvisoryOTXAdams, Douglas, Grant, Lincoln, Okanogan, Spokane23 hr

Nearby

Wind Advisories in Washington, 2018Wind Advisories in Idaho, 2018Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.