* WHAT...A moderate risk of sneaker waves is expected.
* WHERE...The beaches and shorelines of Curry, Coos, and Douglas
counties.
* WHEN...From Monday evening through Tuesday afternoon.
* IMPACTS...Sneaker waves can run up significantly farther on
beaches than normal, including over rocks and jetties. These
waves can suddenly knock people off of their feet and quickly
pull them into the cold ocean waters, resulting in serious
injury or death. Waves may also lift driftwood logs, trapping
anyone caught underneath.
* 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...In the valleys of southwest Idaho and southeast Oregon
below 4000 feet.
* WHEN...Until 2 PM MST /1 PM PST/ Thursday.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems.
* WHAT...For the Air Stagnation Advisory, 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. For the Dense Fog Advisory, visibility less than one
quarter mile in dense fog.
* WHERE...Portions of southwest Idaho and southeast Oregon. This
includes Interstate 84 from Boise to Ontario and Highway 95 from
Weiser to Council.
* WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday.
For the Dense Fog Advisory, until 11 AM MST this morning.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems. Low visibility could make driving conditions
hazardous.
* WHAT...For the Air Stagnation Advisory, 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. For the Dense Fog Advisory, visibility less than one
quarter mile in dense fog.
* WHERE...Portions of southwest Idaho and southeast Oregon. This
includes Interstate 84 from Boise to Ontario and Highway 95 from
Weiser to Council.
* WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday.
For the Dense Fog Advisory, until 11 AM MST this morning.
* IMPACTS...Poor air quality may cause issues for people with
respiratory problems. Low visibility could make driving conditions
hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central Douglas County, Josephine County, and Jackson
County.
* WHEN...Until noon PST today.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Temperatures as low as 35 will result in frost formation.
* WHERE...South Central Oregon Coast. This includes Reedsport,
Lakeside, Coos Bay, Bandon, Langlois, Port Orford and surrounding
areas.
* WHEN...Until 8 AM PST this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...A moderate risk of sneaker waves is expected.
* WHERE...The beaches and shorelines of Curry, Coos, and Douglas
counties.
* WHEN...From Monday evening through Tuesday afternoon.
* IMPACTS...Sneaker waves can run up significantly farther on
beaches than normal, including over rocks and jetties. These
waves can suddenly knock people off of their feet and quickly
pull them into the cold ocean waters, resulting in serious
injury or death. Waves may also lift driftwood logs, trapping
anyone caught underneath.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...South Central Oregon Coast. This includes Reedsport,
Lakeside, Coos Bay, Bandon, Langlois, Port Orford and surrounding
areas.
* WHEN...From 3 AM to 8 AM PST Monday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Central and Southern Willamette Valley, North and Central
Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz
River Valleys, Tualatin Valley, Portland West Hills and Chehalem
Mountain, Inner Portland Metro, Willapa and Wahkiakum Lowlands,
North Clark County Lowlands, Inner Vancouver Metro, and South
Washington Cascade Foothills.
* WHEN...Until noon PST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Areas of fog and dense fog is forming across
the south and central Willamette Valley this evening, where skies
have cleared. As clouds break up elsewhere, will see areas of fog
and dense fog form overnight.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...South Washington and North and Central Oregon Coast.
* WHEN...Until 9 AM PST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...As skies clear overnight, fog will be
forming. Expect areas of fog to be mainly in the lowlands along
rivers and near bays. As light east winds pick up Monday morning,
fog will thin and dissipate.
* WHAT...Visibility less than one quarter mile in dense fog.
* WHERE...Portions of southwest Idaho and southeast Oregon. This
includes Interstate 84 from Boise to Ontario and Highway 95 from
Weiser to Council.
* WHEN...Until 11 AM MST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Snow above 4500 feet. Additional snow accumulations up to 4
inches.
* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
Washington, Northwest Blue Mountains.
* WHEN...Until 8 PM PST this evening.
* IMPACTS...Plan on slippery road conditions.
* WHAT...A moderate risk of sneaker waves is expected.
* WHERE...The beaches and shorelines of Curry, Coos, and Douglas
counties.
* WHEN...From Monday evening through Tuesday afternoon.
* IMPACTS...Sneaker waves can run up significantly farther on
beaches than normal, including over rocks and jetties. These
waves can suddenly knock people off of their feet and quickly
pull them into the cold ocean waters, resulting in serious
injury or death. Waves may also lift driftwood logs, trapping
anyone caught underneath.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* 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.
* WHAT...Visibility less than one quarter mile in dense fog.
* WHERE...Portions of southwest and west central Idaho and southeast
Oregon.
* WHEN...Until 2 PM MST this afternoon.
* IMPACTS...Low visibility could make driving conditions hazardous.
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of northern California and southern Oregon. This
includes the Rogue, Illinois, Shasta, Scott, Applegate and Klamath
River Valleys. This also includes the Klamath and Umpqua Basins.
* WHEN...Until 10 AM PST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
* ADDITIONAL DETAILS...Conditions are gradually improving early this
morning, but dense fog remains a concern through the rest of the
morning. Visibilities should be improved area wide by the
afternoon.
* WHAT...A moderate risk of sneaker waves is expected.
* WHERE...The beaches and shorelines of Curry, Coos, and Douglas
counties.
* WHEN...From Monday evening through Tuesday afternoon.
* IMPACTS...Sneaker waves can run up significantly farther on
beaches than normal, including over rocks and jetties. These
waves can suddenly knock people off of their feet and quickly
pull them into the cold ocean waters, resulting in serious
injury or death. Waves may also lift driftwood logs, trapping
anyone caught underneath.
* View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Sneaker waves possible on the beaches.
* WHERE...North and Central Coast of Oregon, and South
Washington Coast.
* WHEN...Through 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...Snow above 3000 feet. Additional snow accumulations of 3 to
6 inches, except 8 to 12 inches above 5000 feet. Winds gusting as
high as 40 mph.
* WHERE...In Oregon, North Oregon Cascades. In Washington, South
Washington Cascades.
* WHEN...Until 4 PM PST this afternoon.
* IMPACTS...Travel could be difficult, including on US26 near
Government Camp and US20 at Santiam Pass.
* ADDITIONAL DETAILS...Snow levels will remain between 3000-3500
feet through Sunday evening. Snow showers will quickly diminish
Sunday evening into Sunday night as high pressure returns to the
area.
* WHAT...Visibility less than a quarter mile in dense fog. Slick
roads, bridges and overpasses.
* WHERE...Treasure Valley and Upper Weiser Basin.
* WHEN...Until noon MST today.
* IMPACTS...Low visibility combined with slick roads could make
driving conditions hazardous.
