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* WHAT...Heavy snow above 2000 feet. Additional snow accumulations of 10 to 15 inches, locally higher near the crest line. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. * ADDITIONAL DETAILS...Light snow accumulations will continue after the warning expires into Tuesday morning with limited additional impacts.

* WHAT...Wet snow. Additional snow accumulations up to 4 inches above 2000 feet, except up to 9 inches above 2500 feet. * WHERE...North and Central Coast Range Mountains of Oregon. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning and evening commutes.

* WHAT...Heavy snow Above 4000 ft. Additional snow accumulations of 4 to 7 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of 4 to 8 inches at pass level and 8 to 12 inches over the Cascade crest. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PST Monday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

* WHAT...Heavy snow Above 4000 ft. Additional snow accumulations of 4 to 7 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Heavy snow expected mainly along the Cascade crest with additional snow accumulations between 6 and 12 inches. Lower elevations including LaPine, Sunriver, Sisters and Camp Sherman will see lesser amounts of additional snow between 1 to 3 inches. Winds gusting as high as 35 mph may cause some blowing snow mainly along the Cascade crest. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 PM PST Monday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches.

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning.

* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning.

* WHAT...South winds 30 to 50 mph with gusts up to 70 mph possible. * WHERE...Lake County and eastern Klamath County, and Modoc County. This includes Silver Lake, Summer Lake, Paisley, Adel, the Warner Mountains, and portions of Highways 31, 140, and 395. * WHEN...From Tuesday afternoon through Wednesday morning. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...After Wednesday morning, additional episodes of strong winds are possible during the remainder of the week.

* WHAT...South winds 30 to 50 mph with gusts up to 70 mph possible. * WHERE...Curry County Coast, Eastern Curry County, and the South Central Oregon Coast. This includes southern Oregon beaches, headlands, and exposed locations. Also, portions of Highway 101. * WHEN...From Tuesday afternoon through late Tuesday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.

* WHAT...Heavy snow at or above elevations greater than 2000 ft. Additional snow accumulations between 6 and 12 inches. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...Until 10 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult.

* WHAT...Sneaker waves possible. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...Until 10 PM PST this evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning.

* WHAT...Sneaker waves possible. * WHERE...Clatsop and Tillamook Coast, and South Washington Coast. * WHEN...Until 10 PM PST this evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning.

* WHAT...Sneaker waves possible. * WHERE...Central Coast of Oregon. * WHEN...Until 10 PM PST this evening. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning.

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of 5 to 10 inches at pass level and 1 to 2 feet over the Cascade crest. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 10 PM PST Monday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions.

* WHAT...Heavy snow above 4000 feet. Additional snow accumulations up to 8 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Heavy snow expected mainly along the Cascade crest with additional snow accumulations between 6 and 12 inches. Lower elevations including LaPine, Sunriver, Sisters and Camp Sherman will see lesser amounts of snow of 1 to 4 inches. Winds gusting as high as 35 mph may cause some blowing snow mainly along the Cascade crest. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 PM PST Monday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches.

* WHAT...Heavy snow above 4000 feet. Additional snow accumulations up to 8 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST Monday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions.

* WHAT...Heavy snow expected above 2500 feet. Total snow accumulations up to 10 to 20 inches, locally higher near the crest line. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 10 PM PST Monday. * IMPACTS...Travel could be very difficult.

* WHAT...Total snow accumulations of 2 to 8 inches, with up to 14 inches above 2500 feet and up to one inch below 2000 feet. * WHERE...Foothills of the Northern and Central Oregon Cascades. * WHEN...Until 10 PM PST Monday. * IMPACTS...Travel could be very difficult.