...AIR QUALITY ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY... The Oregon Department of Environmental Quality, and the Lane Regional Air Protection Agency has issued an Air Quality Advisory, which is in effect until 10 AM PST Thursday for the Central and Southern Willamette Valley. To include the cities of Salem, Eugene-Springfield and areas located near those cities.
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON MST /11 AM PST/ THURSDAY... * 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.
...FREEZING FOG ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington.
...FREEZING FOG ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington.
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM PST THURSDAY... * WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Portions of North Idaho and Central, East Central, North Central, and Northeast Washington. * WHEN...Until 11 AM PST Thursday.
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY... * WHAT...Poor mixing and weak winds mean that stagnant air is expected, which may lead to deteriorating air quality. * WHERE...Valleys of southern Oregon and northern California. * WHEN...Until 10 AM PST Thursday.
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST today.
...FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half miles in freezing fog. * WHERE...North Central Oregon. * WHEN...Until noon PST today. * IMPACTS...Hazardous driving conditions due to low visibility
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST today.
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON MST /11 AM PST/ THURSDAY... * 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.
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST today.
...FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...Foothills of the Northern Blue Mountains of Oregon. * WHEN...Until noon PST today. * IMPACTS...Hazardous driving conditions due to low visibility and potential frost on bridges.
...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST today.
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY BELOW 1000 FEET... * WHAT...A period of stagnant air with light winds is expected. below 1000 feet. * WHERE...South Willamette Valley and Cascade Foothills in Lane County.
...FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST MONDAY... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST Monday.
...FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST MONDAY... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Oregon, Lower Columbia Basin of Oregon. In Washington, Lower Columbia Basin of Washington and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST Monday.
...AIR STAGNATION ADVISORY IN EFFECT UNTIL 4 PM PST WEDNESDAY BELOW 1000 FEET... * WHAT...A period of stagnant air with light winds is expected. * WHERE...South Willamette Valley and Cascade Foothills in Lane County. * WHEN...Until 4 PM PST Wednesday.
Patchy fog and freezing fog have been noted in portions of the Columbia Basin and Blue Mountain foothills, especially along I-84 between Hermiston and Pendleton, and Oregon Highway 11 between Athena and the Oregon and Washington border. The fog layer is expected to expand through tonight, with visibilities to as low as a quarter mile to impact the region. Expect slick surfaces to
Patchy freezing fog continues to impact the Walla Walla Valley and areas north of the valley this early evening. Visibilities will continue to bounce between less than a quarter mile and mile over the next several hours, with the expectation that visibilities will drop and stay at or below a quarter mile tonight. Expect slick surfaces to develop and persist in areas of freezing fog.
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY... * WHAT...Poor mixing and weak winds mean that stagnant air is expected, which may lead to deteriorating air quality. * WHERE...Valleys of southern Oregon and northern California. * WHEN...Until 10 AM PST Thursday.