* WHAT...Apparent temperatures of 20 to 25 degrees expected west of
the Cascades, and 10 to 15 degrees through the Columbia River
Gorge and Upper Hood River Valley.
* WHERE...The Lower Elevations of Northwest Oregon, and The Lower
Elevations of Southwest Washington.
* WHEN...From 10 PM Sunday to 10 AM PST Monday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures can lead
to hypothermia with prolonged exposure.
* ADDITIONAL DETAILS...Easterly winds through the Columbia River
Gorge will lead to dangerous wind chills within the Gorge and
Portland/Vancouver Metro Area. East winds will gusts as high as 35
to 45 mph within the Gorge, and 25 to 35 mph in the far eastern
Portland/Vancouver Metro.
* WHAT...Sneaker waves possible.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through late Sunday night.
* 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...Very cold wind chills of 15 to 20 degrees expected.
* WHERE...Western Whatcom County.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure and will impact vulnerable populations such as
the homeless, pets, and those without adequate access to heating.
* WHAT...Very cold wind chills of 15 to 20 degrees expected.
* WHERE...Western Whatcom County.
* WHEN...Until 10 AM PST Saturday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures will
impact vulnerable populations such as the homeless, pets, and
those without adequate access to heating.
* WHAT...Very cold wind chills of 15 to 20 degrees expected.
* WHERE...Western Whatcom County.
* WHEN...From 9 PM this evening to 10 AM PST Saturday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures. Very cold temperatures will
impact vulnerable populations such as the homeless, pets, and
those without adequate access to heating.
* WHAT...Northwest winds 30 to 35 mph with gusts up to 50 to 55 mph.
* WHERE...Kittitas Valley.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
Patches of dense fog and freezing fog will continue into the early
afternoon. Visibilities of less than 1/2 mile are possible in
spots, especially along Highway 11 near Athena, Interstate 84 near
Pendleton and in portions of Walla Walla. Drivers should expect
sudden reductions in visibility. Slow down and allow for extra
space between yourself and other vehicles if you encounter dense
fog.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Harrington, Creston, Grand Coulee, Coulee City, Ritzville,
Odessa, and Wilbur.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility will make driving conditions hazardous.
Freezing temperatures could lead to slick conditions on untreated
roadways.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portland Metro Hills, Tualatin Valley, Cascade Foothills
of Marion and Linn Counties, and North Clark County Lowlands.
* WHEN...Until 1 PM PST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Harrington, Wilbur, Creston, Ritzville, Coulee City, Grand
Coulee, and Odessa.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility will make driving conditions hazardous.
Freezing temperatures could lead to slick conditions on untreated
roadways.
Patchy dense freezing fog will continue into late evening hours
across the Blue Mountain Foothills of WA and OR. Visibilities of
less than 1/2 mile are possible in spots, especially along Highway
11 near Athena, Interstate 84 near Pendleton and in portions of
Walla Walla. Drivers should expect sudden reductions in
visibility. Slow down and allow for extra space between yourself
and other vehicles if you encounter dense fog.
Patchy dense freezing fog will continue into late evening hours
across the Blue Mountain Foothills of WA and OR. Visibilities of
less than 1/2 mile are possible in spots, especially along Highway
11 near Athena, Interstate 84 near Pendleton and in portions of
Walla Walla. Drivers should expect sudden reductions in
visibility. Slow down and allow for extra space between yourself
and other vehicles if you encounter dense fog.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Quincy, Harrington, Grand Coulee, Ritzville, Ephrata,
Moses Lake, Creston, Wilbur, Othello, Odessa, and Coulee City.
* WHEN...Until 8 AM PST Thursday.
* IMPACTS...Low visibility will make driving conditions hazardous.
Freezing temperatures could lead to slick conditions on untreated
roadways.
* ADDITIONAL DETAILS...Spotters have reported visibility as low as
1/8 mile near Moses Lake and Warden.
Patchy dense freezing fog will continue into early evening hours
across the Blue Mountain Foothills. Visibilities of less than 1/2
mile are possible in spots, especially along Highway 11 near
Weston, Interstate 84 near Pendleton and in portions of Walla
Walla. Drivers should expect sudden reductions in visibility.
Slow down and allow for extra space between yourself and other
vehicles if you encounter dense fog.
Patchy dense freezing fog has been observed across north central
Oregon as well as the Lower Columbia Basin of Oregon and the Blue
Mountain Foothills. The visibility is less than one half mile in
places. This includes Highway 11 near Weston, Interstate 84
between Pendleton and Hermiston and portions of Walla Walla.
Drivers should expect sudden reductions in visibility. Slow down
and allow for extra space between yourself and other vehicles if
you encounter dense fog.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portland Metro Lowlands, Greater Vancouver Metro, and
Portland West Hills and Chehalem Mountain.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter to one half mile in freezing fog.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
Slick spots on roadways possible under freezing fog.
* WHAT...Visibility one quarter to one half mile in freezing fog.
* WHERE...Lower Columbia Basin of Washington.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
Slick spots on roadways possible under freezing fog.
Dense freezing fog across Walla Walla county is slowly expanding
west towards the Columbia River and the Tri-Cities area, with low
visibilities being observed near the confluence of the Snake and
Columbia Rivers. This area of fog is expected to gradually extend
west through the overnight hours, with visibilities of one half
mile or less expected.
* WHAT...Visibility one quarter mile or less in freezing fog.
* WHERE...Foothills of the Blue Mountains of Washington.
* WHEN...Until noon PST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
Slick spots on roadways possible under freezing fog.
