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Portland Metro, WA-Vancouver Area

 

 

Weather Alert
Wind Advisory

*NOAA Issue Date: 12/8/2016 05:35:00 AM Wind Advisory remains in effect for the greater Portland and Vancouver metro area until 4 PM PST this afternoon ... A Wind Advisory remains in effect until 4 PM PST this afternoon. * East metro and in the west hills: east winds 30 to 40 MPH with gusts to 55 MPH. * Elsewhere in the metro area: east winds 20 to 25 MPH with gusts 35 to 45 MPH. * Timing: strongest winds likely to be this morning. * Wind chill: mainly in the teens and 20s. * Impacts: tree damage and Power outages have already been reported. The winds may make travel difficult at times ... Particularly on north-south bridges such as the interstate bridge along interstate 5 and the Glenn Jackson bridge along interstate 205. Precautionary/preparedness actions... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH OR gusts will range between 45 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use caution until the winds subside.

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North Cascades

 

 

Weather Alert
Winter Storm Warning

*NOAA Issue Date: 12/8/2016 05:22:00 AM Significant winter weather expected over much of southwest Washington and northwest Oregon Thursday and Thursday night ... . A strong winter storm will bring mixed precipitation across much of southwest Washington and northwest Oregon today and tonight. Significant impacts spread north over the area today ... Continuing in the northern areas tonight ... And the Columbia river gorge into Friday. This is the strongest storm of this type in quite a while. ... Winter Storm Warning remains in effect for the north Oregon Cascades until 4 AM PST Friday ... A winter Storm Warning for snow and ice remains in effect until 4 AM PST Friday. * Timing Snow will develop mid to late morning ... Changing to sleet or freezing rain beginning late in the afternoon. Near the Cascade crest and passes ... Snow will persist into the evening hours. Precipitation should change to rain below 4500 feet by sunrise Friday. * Snow accumulations ... 8 to 16 inches ... Heaviest near Mount Hood. * Ice accumulations Up to one quarter inch ... Mainly in protected Cascade valleys away from the crest. * Snow levels Snow levels will rise to around 4500 feet this evening. * Impacts Travel will be very difficult as roads become snow covered and icy ... Especially across the passes. Precautionary/preparedness actions... A winter Storm Warning means significant amounts of snow ... Sleet ... And ice are expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible.

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Northwest Coast Range, Lower Columbia, Portland Metro, North Cascade Foothills, WA-Willapa Hills, WA-Lower Columbia & I-5 Cowlitz Co., WA-Vancouver Area, WA-South Cascade Foothills

 

 

Weather Alert
Winter Storm Warning

*NOAA Issue Date: 12/8/2016 05:22:00 AM Significant winter weather expected over much of southwest Washington and northwest Oregon Thursday and Thursday night ... . A strong winter storm will bring mixed precipitation across much of southwest Washington and northwest Oregon today and tonight. Significant impacts spread north over the area today ... Continuing in the northern areas tonight ... And the Columbia river gorge into Friday. This is the strongest storm of this type in quite a while. ... Winter Storm Warning remains in effect for the coast range of northwest Oregon ... The lower Columbia of Oregon and i-5 corridor in Cowlitz county ... The greater Portland-Vancouver metro area ... The north Oregon and south Washington Cascade foothills ... And the Willapa hills from 8 AM this morning to midnight PST tonight ... A winter Storm Warning for snow and freezing rain remains in effect from 8 AM this morning to midnight PST tonight. * Timing Snow will begin mid to late morning continuing through much of the day for inland areas. The coast range will start to change to freezing rain in the early afternoon and in the inland areas 4 to 6 PM. Freezing rain will then continue inland until midnight ... Especially near the Gorge. * Snow accumulations Generally 2 to 4 inches. However ... Areas near the Gorge ... The coast range ... And western Tualatin Valley could stay snow long enough for accumulations to reach 4 to 7 inches. * Ice accumulations One tenth to one quarter inch ... Likely heaviest near the Gorge. * Wind Strong east winds locally gusting 40 to 50 MPH across the eastern Portland and Vancouver metro area will lead to areas of blowing snow ... As well as cold wind chills. * Impacts Travel will be difficult ... Especially from this afternoon through evening. Some Power outages are likely across the area due to the snow and ice accumulation combined with the wind. Precautionary/preparedness actions... A winter Storm Warning means significant amounts of snow ... Sleet ... And ice are expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible.

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North Coast, WA-South Coast

 

 

Weather Alert
Winter Storm Warning

*NOAA Issue Date: 12/8/2016 05:22:00 AM Significant winter weather expected over much of southwest Washington and northwest Oregon Thursday and Thursday night ... . A strong winter storm will bring mixed precipitation across much of southwest Washington and northwest Oregon today and tonight. Significant impacts spread north over the area today ... Continuing in the northern areas tonight ... And the Columbia river gorge into Friday. This is the strongest storm of this type in quite a while. ... Winter Storm Warning remains in effect for the north Oregon coast and south Washington coast from 8 AM this morning to 8 PM PST this evening ... A winter Storm Warning for snow and freezing rain remains in effect from 8 AM this morning to 8 PM PST this evening. * Timing A mixture of snow ... Sleet and freezing rain will begin late this morning and continue into early evening. * Snow accumulations Snow and sleet accumulations are expected to be relatively light. The best chance for an inch of snow will be north toward Astoria and Long Beach. * Ice accumulations Up to a quarter inch of ice is possible ... Especially well inland. * Impacts Areas inland more than a couple miles will be affected the most. Travel will be difficult as roads become icy. Some Power disruptions are possible. A winter Storm Warning means significant amounts of snow ... Sleet ... And ice are expected or occurring. This will make travel very hazardous or impossible. &&

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Lane Co. Cascades

 

 

Weather Alert
Winter Storm Warning

*NOAA Issue Date: 12/8/2016 05:22:00 AM Significant winter weather expected over much of southwest Washington and northwest Oregon Thursday and Thursday night ... . A strong winter storm will bring mixed precipitation across much of southwest Washington and northwest Oregon today and tonight. Significant impacts spread north over the area today ... Continuing in the northern areas tonight ... And the Columbia river gorge into Friday. This is the strongest storm of this type in quite a while. ... Winter Storm Warning remains in effect for the Cascades in Lane county until 6 PM PST this evening ... A Winter Storm Warning for snow and ice remains in effect until 6 PM PST this evening. * Timing Snow and sleet will mix with freezing rain by midday except near the Cascade crest and passes. Snow will persist near the crest and passes through the afternoon and mix with pockets of freezing rain early in the evening. * Snow accumulations ... 8 to 14 inches near the crest and passes. Lesser accumulations elsewhere ... 3 to 7 inches. * Ice accumulations Generally one to two tenths of an inch of ice ... Though some protected Cascade valleys and passes may see as much as one half inch of ice. * Snow levels Rising to 6000 feet or higher by late Thursday afternoon. * Impacts Travel will become very difficult Thursday as roads become snow covered or icy ... Especially across Willamette Pass. Precautionary/preparedness actions... A winter Storm Warning means significant amounts of snow ... Sleet ... And ice are expected or occurring. Strong winds are also possible. This will make travel very hazardous or impossible.

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Baker Co.

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 04:39:00 AM Winter Weather Advisory for snow ... . A warm front moving through the area today will bring snow at all elevations today through this evening ... And in the mountains today through Friday night. ... Winter Weather Advisory remains in effect until 4 AM PST Saturday ... * Snow amounts ... 3 to 6 inches in the valleys and 6 to 12 inches ... With locally higher amounts ... In the mountains. * Snow levels Valley floors. Snow may mix with or change to rain below 3500 feet Friday afternoon and evening. * Impacts Snow accumulation on roads will make driving difficult ... Especially during the commute this afternoon. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will primarily cause travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving. Travel in the mountains and backcountry is not recommended without proper equipment and adequate provisions. Remember that cell phone communication is limited by terrain.

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Lower Treasure Valley

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 04:39:00 AM Winter Weather Advisory for snow ... . A warm front moving through the area today will bring snow at all elevations today through this evening ... And in the mountains today through Friday night. ... Winter Weather Advisory remains in effect from 11 AM this morning to 10 PM MST this evening ... * Snow amounts ... 1 to 3 inches ... With local amounts of 4 inches possible on the benches. * Timing Snow will begin late this morning and taper off this evening. * Impacts Snow accumulation on roads will make driving difficult ... Especially during the commute this afternoon. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will primarily cause travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving. Travel in the mountains and backcountry is not recommended without proper equipment and adequate provisions. Remember that cell phone communication is limited by terrain.

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Harney Co., Malheur Co.

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 04:39:00 AM Winter Weather Advisory for snow ... . A warm front moving through the area today will bring snow at all elevations today through this evening ... And in the mountains today through Friday night. ... Winter Weather Advisory remains in effect until 10 PM MST /9 PM PST/ this evening ... * Snow amounts ... 2 to 4 inches in the valleys and 4 to 8 inches in the mountains. * Snow levels Valley floors ... Rising to around 5000 feet this evening. * Timing Snow will begin this morning and taper off this evening in the valleys. Snow will change to rain below 5000 feet this evening. * Impacts Snow accumulation on roads will make driving difficult ... Especially during the commute this afternoon. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will primarily cause travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving. Travel in the mountains and backcountry is not recommended without proper equipment and adequate provisions. Remember that cell phone communication is limited by terrain.

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North & East Klamath Co. & West Lake Co., Central & East Lake Co.

 

 

Weather Alert
High Wind Warning

*NOAA Issue Date: 12/8/2016 04:33:00 AM High Wind Warning in effect from 1 PM this afternoon to 1 AM PST Friday ... The National Weather Service in Medford has upgraded the High Wind Watch to a High Wind Warning ... Which is in effect from 1 PM this afternoon to 1 AM PST Friday. * Winds Southwest 30 to 40 MPH with gusts to 60 MPH. * Timing This afternoon through late tonight. * Locations include Highway 31 between Paisley and Summer Lake ... Highway 299 near cedar pass ... Highway 140 east of Lakeview and the higher terrain of the Fremont winema forest near and west of summer Lake as well as the warner mountains. * Impacts Potentially hazardous driving conditions are expected ... Especially for lightweight and high-profile vehicles. Increased risk for downed trees and Power lines. Disruption of outdoor activities. Unsecured objects may be lost or damaged. Precautionary/preparedness actions... 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. Travel will be impacted ... Especially for high profile vehicles.

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Klamath Basin, North & East Klamath Co. & West Lake Co.

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:38:00 AM Freezing rain and sleet possible through this morning ... ... Also accumulating snow is expected for the mountains ... Eastside and possibly lower elevations west of the Cascades this morning ... . A warm front will be passing over the region this morning. A narrow belt of warm air will produce rain down into the still freezing surface. Periods of freezing rain and sleet are possible as snow transitions to rain over southwestern Oregon and northern California. Meanwhile snow is expected most of the time over the mountains and east of the Cascades through this morning ... Then snow levels are expected to rise later this afternoon. ... Winter Weather Advisory remains in effect until 4 PM PST this afternoon ... * Snow accumulations ... 2 to 4 inches ... Except for up to 6 inches over the higher elevations. * Ice accumulations A trace to 0.05 inches. * Timing Snow will continue into this afternoon. There is also the chance for freezing rain and sleet tonight into Thursday afternoon. Ice should only occur for an hour or two during that time ... But may last longer in some locations. * Locations include Klamath falls ... Chiloquin ... Chemult ... Beatty Keno ... Highway 97 ... Highway 140 and highway 39. * Impacts Even a small amount of freezing rain and sleet can produce extremely dangerous conditions on roads and walking surfaces. * Impacts Snow will cause travel difficulties on roads. * View the hazard area in detail at http://weather.gov/medford/hazard Precautionary/preparedness actions... * Stock emergency kit with tire chains Flashlight ... Batteries ... Blankets ... Food ... Water ... And medications. * Plan now to avoid traveling during the storm slow down and allow extra time to reach your destination. * Carry tire chains and be prepared for snow covered roads and limited visibilities see weather. Gov/Medford/cams for latest road conditions. * A Winter Weather Advisory means that periods of snow Sleet ... Or freezing rain will cause travel difficulties. Be prepared for slippery roads and limited visibilities and use caution while driving.

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South Blue Mnts

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from 11 AM this morning to 4 AM PST Saturday ... * Locations Long Creek ... North Powder ... Ukiah. * Ice accumulations Up to a tenth of an inch. * Snow accumulations ... 3 to 6 inches by early Friday morning. 2 to 5 additional inches Friday through early Saturday. 48 hour storm total of 5 to 12 inches. * Timing Light snow will develop this morning then increase in intensity during the day. There will also be periods of light freezing rain or sleet late tonight and Friday. Snow will continue Friday and Friday night in the higher mountains. * Impacts Area roadways will be snow covered and slick. * Winds Southwest 5 to 15 MPH with gusts up to 30 MPH. * Snow level Valley floors ... Rising to 3000 feet Friday afternoon and night. * Temperatures In the mid 20s to lower 30s. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow or ice covered roads and limited visibilities ... And use caution while driving.

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North Blue Mnts, WA-Northwest Blue Mnts

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from noon today to 4 AM PST Saturday ... * Locations Meacham ... Tollgate ... Ski bluewood resort. * Snow accumulations ... 3 to 6 inches through early Friday morning. Additional 5 to 9 inches Friday through early Saturday morning. 48 hour storm total of 8 to 15 inches expected. * Timing Snow will develop this afternoon. There will be a prolonged period of light snow over the northern Blue Mountains. * Impacts Area roadways will be snow covered and slick. * Winds Southwest 5 to 15 MPH with gusts up to 30 MPH. * Snow level Below 3000 feet. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving.

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Wallowa Co.

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from 1 PM this afternoon to 4 AM PST Friday ... * Locations Enterprise ... Joseph ... Wallowa. * Ice accumulations Little or no ice accumulation expected. * Snow accumulations ... 2 to 5 inches. * Timing Light snow will develop this afternoon ... Then increase in intensity during the late afternoon and evening hours. Snow should taper off to showers prior to daybreak Friday. * Impacts Area roadways will be snow covered and slick. * Winds South 5 to 15 MPH. * Temperatures In the lower 20s. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving.

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Grand Ronde Valley

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from 11 AM this morning to 4 AM PST Friday ... * Locations Cove ... Elgin ... La Grande. * Ice accumulations Little or no ice accumulation expected. * Snow accumulations ... 2 to 4 inches. * Timing Light snow will develop late this morning then increase in intensity during the afternoon. Blowing and drifting snow is also likely ... Which will greatly reduce visibility at times. * Impacts Area roadways will be snow covered and slick. Blowing and drifting snow could significantly impact travel on interstate 84 near and south of La Grande. * Winds South 15 to 25 MPH with gusts up to 40 MPH. * Temperatures In the lower to mid 20s. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow and blowing snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving.

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Lower Columbia Basin, WA-Yakima Valley, WA-Lower Columbia Basin, WA-Blue Mnts Foothills

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from 11 AM this morning to 1 AM PST Friday ... * Snow accumulations ... 2 to 5 inches. * Ice accumulations Less than a tenth of an inch. * Locations Pendleton ... Pilot Rock ... Boardman ... Hermiston ... Ione ... Connell ... Prosser ... Tri-cities ... Dayton ... Waitsburg ... Walla Walla ... Ellensburg ... Thorp ... Naches ... Sunnyside ... Toppenish ... Yakima. * Snow level Basin floor. * Temperatures In the lower to mid 20s. * Timing Snow will develop by late this morning then increase in intensity during the afternoon. Snowfall will diminish late this evening. In addition ... A light wintry mix of snow ... Sleet and freezing rain is expected tonight and Friday morning. * Impacts Area roadways will be snow covered and slick. Localized blowing snow will be possible. * Winds Northeast 5 to 15 MPH with gusts up to 25 MPH. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving.

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John Day Basin, Ochoco-John Day Highlands

 

 

Weather Alert
Winter Weather Advisory

*NOAA Issue Date: 12/8/2016 03:23:00 AM Widespread snow today through Friday ... . A warm front will spread moisture east of the Cascades today. This system will bring widespread snow today through Friday. Tonight and Friday ... The warm front will override the cold air at the surface and bring areas of sleet and freezing rain to the lower elevations. Significant snow can be expected in some areas of eastern Washington and eastern Oregon. ... Winter Weather Advisory remains in effect from 7 AM this morning to 10 PM PST this evening ... * Locations Brothers ... Paulina ... Prairie City ... Seneca ... Dayville ... John Day ... Mitchell ... Monument ... Spray. * Ice accumulations Up to a tenth of an inch. * Snow accumulations ... 3 to 6 inches. * Timing Light snow will develop this morning then increase in intensity during the day. There will also be periods of light freezing rain or sleet in the John Day basin late today and tonight. * Impacts Area roadways will be snow covered and slick. * Winds Southeast 10 to 20 MPH with gusts up to 30 MPH. * Snow level Valley floor. * Web page: for a detailed view of the hazard area visit http://www.wrh.noaa.gov/map/?wfo=pdt. Precautionary/preparedness actions... A Winter Weather Advisory for snow means that periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities ... And use caution while driving.

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