Aggregator

* WHAT...Stagnant air conditions will have potential to trap pollutants near the ground. * WHERE...Portions of North Idaho and Central, North Central, and Northeast Washington including Spokane, Coeur d'Alene, Kellogg, Bonners Ferry, Sandpoint, Metaline, Deer Park, Colville, Republic, Omak, Winchester, Lake Chelan, Wenatchee, Leavenworth, and Waterville. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Kamiah, Craigmont, Lapwai, Gifford, Culdesac, Peck, Clarkston, Winchester, Nezperce, Pomeroy, and Lewiston. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the immediate coast from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...All southern Oregon valleys, including the cities of Medford, Ashland, Cave Junction, Grants Pass, Roseburg, Elkton, Coquille, Klamath Falls, Chiloquin, Chemult, Crescent, Lakeview, Silver Lake, and Christmas Valley. * WHEN...Until noon PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the immediate coast from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Very cold apparent ("feels-like") temperatures as low as 20-25 degrees. * WHERE...South Willamette Valley, Central Oregon Coast Range Lowlands, Central Oregon Coast Range, and West Central Willamette Valley. * WHEN...Until 10 AM PST this morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 23 expected. For the Freeze Warnings, sub-freezing temperatures as low as 28 expected. * WHERE...South Central Oregon Coast. For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. For the Cold Weather Advisory, all areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. For the first Freeze Warning, until 9 AM PST this morning. For the second Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...A strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. * WHERE...Klamath Basin and Curry County Coast. This includes Klamath Falls and Brookings. * WHEN...Until noon PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 2 below. * WHERE...Lake County and eastern Klamath County. This includes Lakeview, Paisley, Chemult and Beatty. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 14. * WHERE...Central Douglas County, Eastern Curry County, Josephine County, and Jackson County, including Medford, Ashland, Grants Pass, Roseburg, Cave Junction, and all surrounding areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 23 expected. For the Freeze Warnings, sub-freezing temperatures as low as 28 expected. * WHERE...South Central Oregon Coast. For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. For the Cold Weather Advisory, all areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. For the first Freeze Warning, until 9 AM PST this morning. For the second Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 23 expected. For the Freeze Warnings, sub-freezing temperatures as low as 28 expected. * WHERE...South Central Oregon Coast. For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. For the Cold Weather Advisory, all areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. For the first Freeze Warning, until 9 AM PST this morning. For the second Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 2 below. * WHERE...Lake County and eastern Klamath County. This includes Lakeview, Paisley, Chemult and Beatty. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 14. * WHERE...Central Douglas County, Eastern Curry County, Josephine County, and Jackson County, including Medford, Ashland, Grants Pass, Roseburg, Cave Junction, and all surrounding areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Cold Weather Advisory, very cold temperatures as low as 23 expected. For the Freeze Warnings, sub-freezing temperatures as low as 28 expected. * WHERE...South Central Oregon Coast. For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warnings, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. For the Cold Weather Advisory, all areas. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Cold Weather Advisory, until 10 AM PST this morning. For the first Freeze Warning, until 9 AM PST this morning. For the second Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Winchester, Clarkston, Craigmont, Lewiston, Kamiah, Soldiers Meadow Road, Lewiston Grade, Alpowa Summit, Peck, Lapwai, Pomeroy, Culdesac, Gifford, and Nezperce. * WHEN...Until 4 PM PST Monday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Portions of North Idaho and Central, North Central, and Northeast Washington. * WHEN...Until 4 PM PST Monday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface.

* WHAT...For the Cold Weather Advisory, very cold temperatures as low as 23 expected. For the Freeze Warnings, sub-freezing temperatures as low as 28 expected. * WHERE...South Central Oregon Coast. * WHEN...For the Cold Weather Advisory, from 10 PM this evening to 10 AM PST Monday. For the first Freeze Warning, from 2 AM to 9 AM PST Monday. For the second Freeze Warning, from 2 AM to 9 AM PST Tuesday. * IMPACTS...Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Cold temperatures will combine with breezy winds leading to wind chill values as low as 5 to 10 degrees below zero. * WHERE...Lake County and eastern Klamath County, and Modoc County. This includes Lakeview, Alturas, Paisley, Chemult and Beatty. * WHEN...From 10 PM this evening to 10 AM PST Monday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.