* WHAT...Large breaking waves of 23 to 27 feet.
* WHERE...South Central Oregon Coast and Curry County Coast
especially along west to northwest facing beaches.
* WHEN...From 10 PM Monday to 10 PM PST Tuesday.
* IMPACTS...Large breaking waves will create hazardous conditions
along and within the surf zone, and could inundate beaches and
low lying shorelines. Beach erosion is possible, and exposed
infrastructure may be damaged.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of southwest and west central Idaho and southeast
Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Monday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Snow expected above 5000 feet. Total snow accumulations
between 8 and 16 inches. Winds gusting as high as 50 mph.
* WHERE...The southern Oregon Cascades, mainly north of Highway 140,
including Crater Lake, and Highways 62, 230, 138 and 58.
* WHEN...From 4 AM Monday to 10 AM PST Tuesday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning and evening
commutes. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...Snowfall rates Monday morning with the front
could briefly reach 1
inch per hour causing low visibility and hazardous driving
conditions. This is most likely between 6 and 10 am.
* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph
expected.
* WHERE...The higher terrain of Lake County and eastern Klamath
County, and Modoc County, including Winter Rim, Highway 31 from
Summer Lake to Paisley, parts of Highway 140 east of Lakeview and
Highway 299 near Cedar Pass.
* WHEN...From 10 PM Sunday to 10 AM PST Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...An extended period of stagnant air, with light winds
and little vertical mixing.
* WHERE...Portions of southwest and west central Idaho and
northeast and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Sunday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Across the Umpqua Valley in Central Douglas County.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...An extended period of stagnant air, with light winds and
little vertical mixing. This is due to an inversion near the
surface that will continue to trap pollutants.
* WHERE...Portions of southwest and west central Idaho and northeast
and southeast Oregon.
* WHEN...Until 5 AM MST /4 AM PST/ Sunday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...South Willamette Valley.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Across the Umpqua Valley in Central Douglas County.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less at times in dense fog.
* WHERE...South Willamette Valley.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less at times in dense fog.
* WHERE...Central and Southern Willamette Valley.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Snow above 4500 feet. Additional snow accumulations up to
two inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow above 4500 feet. Additional snow accumulations between
2 and 7 inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Tuesday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...Snow rates will briefly decrease Monday
evening, but is expected to increased again through Tuesday
morning.
* WHAT...West winds 25 to 45 mph with gusts up to 70 mph.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Kittitas Valley, Yakima Valley, and Simcoe Highlands.
* WHEN...Until 7 AM PST Tuesday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* ADDITIONAL DETAILS...Periods of sustained winds to 40 mph or gusts
to 60 mph possible tonight, with widespread winds lower at wind
advisory levels.
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Foothills of the Blue Mountains of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, North Central
Oregon, and Central Oregon.
* WHEN...Until 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Snow above 4500 feet. Additional snow accumulations between
4 and 9 inches. Winds gusting as high as 45 mph.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 4 PM PST Tuesday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* WHAT...Sneaker waves possible on the beaches.
* WHERE...North and Central Coast of Oregon, 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.
* ADDITIONAL DETAILS...West northwesterly swell of 13 to 15 ft
with a period of 15 to 17 seconds will impact the coastline
through tonight.
* WHAT...West winds 30 to 45 mph with gusts of 60 to 70 mph expected.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Kittitas Valley, and Simcoe Highlands.
* WHEN...Until 7 AM PST Tuesday.
* IMPACTS...Damaging winds will blow down trees and power lines.
Widespread power outages are expected. Travel will be difficult,
especially for high profile vehicles.
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected.
* WHERE...Central Oregon.
* WHEN...Until 7 AM PST Tuesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
