* WHAT...High concentration of smoke particulates from wildfires.
* WHERE...Harney and Malheur Counties.
* WHEN....AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
* WHAT...Very hot temperatures. High temperatures 96 to 108. Limited
overnight relief with low temperatures in the mid 60s to mid 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From Friday afternoon through Saturday evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Dangerously hot conditions with afternoon temperatures 100
to 108 degrees. This will pose a major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Dangerously hot conditions with afternoon temperatures 100
to 108 degrees. This will pose a major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Daytime temperatures up to 94 to 102 degrees expected.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington, including the Willamette Valley, the
Portland Metro Area, Clark County lowlands, the western and
central Columbia River Gorge, and Hood River Valley.
* WHEN...From 11 AM to 11 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Daytime temperatures up to 94 to 102 degrees expected.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington, including the Willamette Valley, the
Portland Metro Area, Clark County lowlands, the western and
central Columbia River Gorge, and Hood River Valley.
* WHEN...From 11 AM to 11 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
...Crictical Fire weather conditions possible Thursday afternoon
and evening...
...A short wave will move along the eastern side of the high
pressure over the region. This will cause a tightening of the
pressure gradient and will enhance the winds Thursday afternoon.
With the hot, dry, conditions of the ridge dominating, these winds
will result in locally critical conditions...
The National Weather Service in Medford has issued a Fire Weather
Watch, which is in effect from Thursday afternoon through
Thursday evening.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...In CAZ280...Fire weather zone 280.In CAZ281...
Fire weather zone 281.In CAZ282...Fire weather zone 282.In
ORZ623...Fire weather zone 623.
* WIND...Sustained 10 to 15 mph, with gusts up to 25 mph.
* HUMIDITY...8 to 15 percent.
* DETAILEDURL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Dangerously hot conditions with temperatures 103 to 108
possible at low elevations.
* WHERE...Portions of south central, southwest and west central
Idaho and northeast and southeast Oregon.
* WHEN...Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
* WHAT...High temperatures from the upper 90s to around 105 with
overnight lows from the upper 50s to upper 60s.
* WHERE...Inland valleys west of the Cascades to include the Shasta,
Scott, Klamath River, Rogue, Illinois, and Umpqua Valleys. This
includes the cities and communities of Medford, Ashland, Phoenix,
Talent, Eagle Point, Grants Pass, Roseburg, Sutherlin, Yreka,
Montague, and Weed.
* WHEN...From 2 PM Thursday to 8 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illness.
* ADDITIONAL DETAILS...Certain medications may make you more
vulnerable to heat illness, check with your doctor or pharmacist
for details.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert issued for all of Chelan, Okanogan, Ferry, and
Asotin County is in effect until further notice, due to expected
smoke from nearby and regional wildfires. Particulate matter (PM2.5)
may reach Unhealthy and Unhealthy for Sensitive Groups levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. When air quality is Unhealthy for
Sensitive Groups, sensitive groups should take steps to reduce
exposure. Limit time outside, avoid strenuous outdoor activity, and
follow tips for cleaner indoor air. Everyone should watch for
symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
* WHAT...Very hot temperatures. High temperatures 96 to 108.
Limited overnight relief with low temperatures in the mid 60s to
mid 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From Friday afternoon through Saturday evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Dangerously hot conditions with afternoon temperatures 100
to 108 degrees. This will pose a major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Dangerously hot conditions with afternoon temperatures 100
to 108 degrees. This will pose a major risk of heat-related
illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Daytime temperatures up to 95 to 99 degrees expected.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington, including the Willamette Valley, the
Portland Metro Area, Clark County lowlands, the western and
central Columbia River Gorge, and Hood River Valley.
* WHEN...From 11 AM to 11 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Daytime temperatures up to 95 to 99 degrees expected.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington, including the Willamette Valley, the
Portland Metro Area, Clark County lowlands, the western and
central Columbia River Gorge, and Hood River Valley.
* WHEN...From 11 AM to 11 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...High temperatures from the upper 90s to around 105 with
overnight lows from the upper 50s to upper 60s.
* WHERE...In California, Central Siskiyou County and Western
Siskiyou County. In Oregon, Central Douglas County, Eastern Curry
County and Josephine County, and Jackson County.
* WHEN...From 2 PM Thursday to 8 PM PDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Dangerously hot conditions with temperatures 103 to 108
possible.
* WHERE...Portions of south central, southwest and west central
Idaho and northeast and southeast Oregon.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Colville Confederated Tribes
An Air Quality Alert issued for all of Chelan, Okanogan, Ferry, and
Asotin County, as well as the Colville Reservation is in effect until
further notice, due to expected smoke from nearby and regional
wildfires. Particulate matter (PM2.5) may reach Unhealthy and
Unhealthy for Sensitive Groups levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. When air quality is Unhealthy for
Sensitive Groups, sensitive groups should take steps to reduce
exposure. Limit time outside, avoid strenuous outdoor activity, and
follow tips for cleaner indoor air. Everyone should watch for
symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
* WHAT...High concentration of smoke particulates from wildfires.
* WHERE...Harney and Malheur Counties.
* WHEN....AIR QUALITY ALERT IN EFFECT UNTIL NOON PDT WEDNESDAY.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
* WHAT...Dangerously hot conditions with temperatures 104 to 108
degrees possible at low elevations.
* WHERE...Portions of south central, southwest, and west-central
Idaho, and northeast and southeast Oregon.
* WHEN...Friday afternoon through Friday evening.
* IMPACTS...Extreme heat will significantly increase the
potential for heat related illnesses, particularly for those
working or participating in outdoor activities.