* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
* WHERE...John Day Basin.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow.
* WHAT...Snow expected. Total snow accumulations between 5 and 8
inches. Winds gusting as high as 35 mph.
* WHERE...East Slopes of the Oregon Cascades.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions.
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
Lower Columbia Basin of Oregon.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
morning and evening commutes.
* WHAT...Snow expected. Total snow accumulations between 3 and 7
inches. Winds gusting as high as 40 mph.
* WHERE...Ochoco-John Day Highlands.
* WHEN...Until 4 PM PST Friday.
* IMPACTS...Periods of moderate and heavy snow will combine with low
visibilities to create difficult driving conditions. Gusty winds
could bring down tree branches.
* ADDITIONAL DETAILS...Blowing snow along US Highway 20 may reduce
visibilities to a half mile or less at times early Thursday
morning through the afternoon.
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches.
Winds gusting as high as 35 mph.
* WHERE...North Central Oregon.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
morning and evening commutes.
* WHAT...Snow expected. Total snow accumulations between 1 and 3
inches.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
morning and evening commutes.
* WHAT...Snow. Additional snow accumulations between 1 and 3 inches.
* WHERE...Central Oregon.
* WHEN...Until 10 AM PST Friday.
* IMPACTS...Travel could be difficult due to periods of moderate to
heavy snow. The hazardous conditions could impact the Thursday
morning and evening commutes.
* WHAT...For the Cold Weather Advisory, very cold temperatures as
low as 20 below. For the High Wind Warning, south winds 25 to 40
mph with gusts 50 to 60 mph expected.
* WHERE...Grande Ronde Valley.
* WHEN...Until 10 PM PST this evening.
* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Very cold temperatures can lead to
hypothermia with prolonged exposure.
* WHAT...Southeast winds 25 to 40 mph with gusts between 50 and 60
mph expected for the base of the northern Blue Mountains of Oregon.
* WHERE...Foothills of the Northern Blue Mountains of Oregon.
* WHEN...Until 10 PM PST this evening.
* 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...Cold wind chills ("feels like") as low as zero degrees
expected.
* WHERE...In Oregon, Portland West Hills and Chehalem Mountain and
Tualatin Valley. In Washington, Inner Vancouver Metro and North
Clark County Lowlands.
* WHEN...Until noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure. Very cold temperatures can
lead to hypothermia with prolonged exposure.
* WHAT...For the Wind Advisory, east winds 15 to 25 mph with gusts
up to 45 mph. For the Cold Weather Advisory, very cold wind chills
as low as zero degrees expected.
* WHERE...Inner Portland Metro.
* WHEN...For the Wind Advisory, until 4 PM PST this afternoon. For
the first Cold Weather Advisory and second Cold Weather Advisory,
until noon PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure. Very cold temperatures can
lead to hypothermia with prolonged exposure.
* ADDITIONAL DETAILS...Wind chill values will be as low as zero
degrees.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 20 degrees fahrenheit expected. For the
Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the first Cold Weather Advisory and second Cold Weather
Advisory, until noon PST Friday. For the Wind Advisory, until 10
PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the Extreme Cold Warning, until noon PST today. For the
Cold Weather Advisory, from noon today to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...For the Cold Weather Advisory, cold wind chills ("feels
like") as low as 10 to 20 degrees fahrenheit expected. For the
Wind Advisory, east winds 25 to 35 mph with gusts up to 55 mph.
* WHERE...Eastern Portland/Vancouver Metro Near The Gorge.
* WHEN...For the first Cold Weather Advisory and second Cold Weather
Advisory, until noon PST Friday. For the Wind Advisory, until 10
PM PST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
* WHAT...For the Wind Advisory, east winds 15 to 25 mph with gusts
up to 45 mph. For the Cold Weather Advisory, very cold wind chills
as low as zero degrees expected.
* WHERE...Inner Portland Metro.
* WHEN...For the Wind Advisory, until 4 PM PST this afternoon. For
the first Cold Weather Advisory and second Cold Weather Advisory,
until noon PST Friday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure. Very cold temperatures can
lead to hypothermia with prolonged exposure.
* ADDITIONAL DETAILS...Wind chill values will be as low as zero
degrees.
* WHAT...Dangerously cold wind chills ("feels like") as low as zero
degrees fahrenheit expected.
* WHERE...Western and Central Columbia River Gorge, the Corbett area
and the Hood River Valley.
* WHEN...For the Extreme Cold Warning, until noon PST today. For the
Cold Weather Advisory, from noon today to noon PST Friday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* WHAT...Cold wind chills ("feels like") as low as 10 degrees below
expected.
* WHERE...Northern and Central Cascades and Foothills in Oregon,
Central and Southern Willamette Valley, South Washington and North
and Central Oregon Coast, Northern and Central Coast Range Valleys
and Mountains of Oregon, Willapa Hills and Adjacent River Valleys
of Pacific and Wahkiakum Counties, Lower Columbia River and
Cowlitz River Valleys, South Washington Cascades and Foothills,
and Outer Southeast Portland Metro.
* WHEN...Until noon PST today.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Wind chill values can lead to
hypothermia with prolonged exposure. Very cold temperatures can
lead to hypothermia with prolonged exposure.
* WHAT...Large breaking waves of 20 to 23 feet.
* WHERE...The beaches and shorelines of Coos and Curry counties,
mainly from Cape Arago southward.
* WHEN...From 10 PM Thursday to 2 PM PST Friday.
* 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...Snow expected. Total snow accumulations between 6 and 12
inches. Winds gusting as high as 55 mph.
* WHERE...The southern Oregon Cascades and Siskiyou Mountains. This
includes areas from Lake of the Woods northward and higher
portions of the Siskiyou Mountains west of Interstate 5, including
the Mount Ashland Ski road, including portions of Highways 230, 62
and 140.
* WHEN...Until 1 PM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Thursday morning and evening
commutes.
* ADDITIONAL DETAILS...Heaviest snowfall accumulations are expected
near Diamond Lake and Crater Lake, especially this morning and
again this evening through Friday morning.
* WHAT...Snow expected. Total snow accumulations between 3 and 5
inches. Winds gusting as high as 45 mph.
* WHERE...Klamath County and Western Lake County, including areas
from Modoc Point northward and areas east of Klamath Falls. This
includes the communities of Chemult, Chiloquin, Beatty, and Bly.
This also includes portions of Highway 97, 140, 66, and 31.
* WHEN...Until 2 PM PST this afternoon.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.
* ADDITIONAL DETAILS...Snow levels will rise from valley floors this
morning to around 4500 feet this afternoon. Moderate snow is
expected this morning, then expect some continued snow across
higher terrain in the afternoon. Then, light snow showers are
expected tonight and Friday with snow levels between 4000 and 5000
feet.
