* 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...From 1 AM Thursday to 1 PM PST Friday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Thursday morning and evening
commutes. Gusty winds could bring down tree branches.
* ADDITIONAL DETAILS...Heaviest snowfall accumulations are expected
near Diamond Lake and Crater Lake, especially Thursday morning and
again Thursday 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...From 1 AM to 2 PM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.
* ADDITIONAL DETAILS...Snow levels will rise from valley floors
early Thursday to around 4500 feet Thursday afternoon. Moderate
snow is likely in the morning on Thursday, then expect some
continued snow across higher terrain in the afternoon. Then, light
snow showers are expected Thursday night and Friday with snow
levels between 4000 and 5000 feet.
* WHAT...Wet snow expected above 1500 feet. Total snow accumulations
up to one inch. Winds gusting as high as 20 mph in valleys and 40
mph over mountains. Lighter snow of a half inch or less is
possible for elevations below 1500 feet elevation.
* WHERE...This includes portions of the Illinois Valley, lower
passes along Interstate 5 north of Grants pass and mountains in
Josephine and eastern Curry counties.
* WHEN...From 10 PM this evening to 8 AM PST Thursday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday morning commute.
* ADDITIONAL DETAILS...Snow levels are expected to start out around
1000 feet tonight then rise early Thursday morning to around 1500
to 2500 feet, before rising higher to 4000 feet late Thursday
morning. A period of light to moderate snow is expected, then
transitioning to rain for most areas by late Thursday morning. As
snow transitions to rain, there may be a brief period of wintry
mix with ice pellets.
...ICE AND SNOW WEDNESDAY NIGHT AND THURSDAY...
.Winter precipitation is expected to begin Wednesday night, starting
in the south and pushing northward. Precipitation will initially
begin as mixed freezing rain and snow Wednesday night, transitioning
over primarily to freezing rain on Thursday. Significant ice
accumulations will be possible, impacting the Thursday morning
commute.
* WHAT...Heavy mixed precipitation possible. Total snow
accumulations up to two inches and ice accumulations of one
quarter of an inch possible. Winds could gust as high as 35 mph.
* WHERE...North and Central Coast Range Mountains of Oregon.
* WHEN...From 10 PM Wednesday through Friday morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as snow early Thursday
morning. Precipitation will transition over to primarily freezing
rain by Thursday midday. Freezing rain that falls on snow will
accumulate quickly. Due to areas of freezing rain, power outages
are possible.
...ICE AND SNOW WEDNESDAY NIGHT AND THURSDAY...
.Winter precipitation is expected to begin Wednesday night, starting
in the south and pushing northward. Precipitation will initially
begin as mixed freezing rain and snow Wednesday night, transitioning
over primarily to freezing rain on Thursday. Significant ice
accumulations will be possible, impacting the Thursday morning
commute.
* WHAT...Heavy mixed precipitation possible. Total snow
accumulations up to one inch and ice accumulations of one quarter
of an inch possible.
* WHERE...Central and Southern Willamette Valley.
* WHEN...From 10 PM Wednesday through Friday morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain early Thursday morning. Precipitation will
transition over to primarily freezing rain by Thursday midday.
Freezing rain that falls on snow will accumulate quickly. The
Thursday morning commute will be affected. Due to areas of
freezing rain, power outages are possible.
...ICE AND SNOW WEDNESDAY NIGHT AND THURSDAY...
.Winter precipitation is expected to begin Wednesday night, starting
in the south and pushing northward. Precipitation will initially
begin as mixed freezing rain and snow Wednesday night, transitioning
over primarily to freezing rain on Thursday. Significant ice
accumulations will be possible, impacting the Thursday morning
commute.
* WHAT...Heavy mixed precipitation possible. Total snow
accumulations up to one inch and ice accumulations of one quarter
of an inch possible.
* WHERE...Central Oregon Coast Range Lowlands.
* WHEN...From 10 PM Wednesday through Friday morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Significant ice accumulation on
power lines and tree limbs may cause power outages.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain early Thursday morning. Precipitation will
transition over to primarily freezing rain by Thursday midday.
Freezing rain that falls on snow will accumulate quickly. The
Thursday morning commute will be affected. Due to areas of
freezing rain, power outages are possible.
...ICE AND SNOW WEDNESDAY NIGHT AND THURSDAY...
.Winter precipitation is expected to begin Wednesday night, starting
in the south and pushing northward. Precipitation will initially
begin as mixed freezing rain and snow Wednesday night, transitioning
over primarily to freezing rain on Thursday. Significant ice
accumulations will be possible, impacting the Thursday morning
commute.
* WHAT...Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations up to one tenth of an inch.
Winds gusting as high as 40 mph.
* WHERE...Portland Metro Lowlands, Greater Vancouver Metro, and
Portland West Hills and Chehalem Mountain.
* WHEN...From 4 AM Thursday to 10 AM PST Friday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous.
* ADDITIONAL DETAILS...Precipitation begins as mixed snow and
freezing rain early Thursday morning. Precipitation will
transition over to primarily freezing rain by Thursday midday. The
Thursday morning commute will be affected. Due to areas of
freezing rain and elevated winds, power outages are possible.
* WHAT...Very cold temperatures as low as 20 below.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, Wallowa County, Ochoco-John Day Highlands, East Slopes of
the Oregon Cascades, Central Oregon, and Upper Slopes of the
Eastern Washington Cascades Crest.
* WHEN...Until 7 AM PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* WHAT...Very cold wind chills as low as 10 below.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Very cold
temperatures can lead to hypothermia with prolonged exposure.
* WHAT...For the Cold Weather Advisory, very cold temperatures of 13
to 23 degrees. For the Wind Advisory, southeast winds 20 to 30 mph
with gusts up to 45 mph expected.
* WHERE...For the Cold Weather Advisory, Jackson County, including
the communities of Rogue River, Central Point, Medford, Ashland,
Jacksonville, Shady Cove, Eagle Point and surrounding areas. For
the Wind Advisory, this includes areas south of Medford, including
Phoenix, Talent, Ashland and surrounding foothills.
* WHEN...For the Cold Weather Advisory, until 9 AM PST this morning.
For the Wind Advisory, from 10 PM this evening to 9 AM PST
Thursday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure. Gusty winds will blow around unsecured
objects. Tree limbs could be blown down and a few power outages
may result.
* WHAT...For the Cold Weather Advisory, very cold temperatures of 13
to 23 degrees. For the Wind Advisory, southeast winds 20 to 30 mph
with gusts up to 45 mph expected.
* WHERE...For the Cold Weather Advisory, Jackson County, including
the communities of Rogue River, Central Point, Medford, Ashland,
Jacksonville, Shady Cove, Eagle Point and surrounding areas. For
the Wind Advisory, this includes areas south of Medford, including
Phoenix, Talent, Ashland and surrounding foothills.
* WHEN...For the Cold Weather Advisory, until 9 AM PST this morning.
For the Wind Advisory, from 10 PM this evening to 9 AM PST
Thursday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure. Gusty winds will blow around unsecured
objects. Tree limbs could be blown down and a few power outages
may result.
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
23 to 30 degrees. For the Cold Weather Advisory, very cold
temperatures and wind chills as low as 20 to 26 degrees expected.
* WHERE...For the Freeze Warning, communities along the immediate
coast including Port Orford, North Bend, Bandon and Reedsport. For
the Cold Weather Advisory, this includes locations in the Freeze
Warning, as well as inland locations such as Coquille, Myrtle
Point and Powers.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
23 to 30 degrees. For the Cold Weather Advisory, very cold
temperatures and wind chills as low as 20 to 26 degrees expected.
* WHERE...For the Freeze Warning, communities along the immediate
coast including Port Orford, North Bend, Bandon and Reedsport. For
the Cold Weather Advisory, this includes locations in the Freeze
Warning, as well as inland locations such as Coquille, Myrtle
Point and Powers.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Very cold temperatures with morning lows around 10 degrees
to minus 10 degrees will be common, except in the lower Klamath
River Valley where low temperatures of 13 to 20 are expected.
* WHERE...Siskiyou County and Modoc County, including the
communities of Alturas, Newell, MacDoel, Tennant, Mount Shasta
City Etna, Happy Camp and surrounding areas.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure.
* WHAT...Very cold temperatures with morning lows around 12 degrees
to 23 degrees.
* WHERE...Central and eastern Douglas County, Eastern Curry County
and Josephine County. This includes the communities of Grants
Pass, Cave Junction, Canyonville, Roseburg, Winston, Sutherlin,
Steamboat and surrounding areas.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure.
* WHAT...Sub-freezing temperatures as low as 30.
* WHERE...Portions of the Curry County Coast. This includes
Brookings and Gold Beach.
* WHEN...Until 9 AM PST this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
* WHAT...Very cold temperatures as low as 20 below.
* WHERE...Blue Mountains of Oregon and Washington, Grande Ronde
Valley, Wallowa County, Ochoco-John Day Highlands, East Slopes of
the Oregon Cascades, Central Oregon, and Upper Slopes of the
Eastern Washington Cascades Crest.
* WHEN...Until 7 AM PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* 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 first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
* WHAT...Cold wind chills ("feels like") as low as 10 to 20 degrees
fahrenheit expected.
* WHERE...Greater Portland/Vancouver Metro, 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, and
South Washington Cascades and Foothills.
* WHEN...For the first Cold Weather Advisory, from 7 PM this evening
to noon PST Wednesday. For the second Cold Weather Advisory, from
7 PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure. Wind chill values can lead
to hypothermia with prolonged exposure.
* 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 first Extreme Cold Warning, from 7 PM this evening
to noon PST Wednesday. For the second Extreme Cold Warning, from 7
PM Wednesday to noon PST Thursday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
