* 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.
* WHAT...Very cold temperatures as low as 14 degrees expected.
* 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...From 10 PM this evening to 10 AM PST Monday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* 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...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...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...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...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...From 10 PM this evening to 10 AM PST Monday.
* IMPACTS...Frostbite and hypothermia will occur if unprotected skin
is exposed to these temperatures.
* ADDITIONAL DETAILS...Apparent ("feels like") temperatures as low
as 20 degrees for areas within the South and Central Willamette
Valley and the Central Oregon Coast Range.
* WHAT...For tonight's Cold Weather Advisory, very cold temperatures
as low as 20 to 25 degrees expected. For tonight's Freeze Warning,
sub-freezing temperatures as low as 29 degrees expected.
* WHERE...South Central Oregon Coast. For the Cold Weather Advisory,
this includes the communities of Myrtle Point, Powers, Reedsport,
Bandon and Coos Bay. For the Freeze Warnings, the communities
along the immediate coast including Coos Bay, Bandon and Port
Orford.
* WHEN...For the Cold Weather Advisory, from 10 PM this evening to
10 AM PST Monday. For the Freeze Warning, from 2 AM to 9 AM PST
Monday.
* 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.