The Southwest Clean Air Agency and the Oregon Department of
Environmental Quality have issued an Air Quality Advisory,
which is in effect until 8 PM PDT Thursday.
An Air Quality Advisory for smoke and ozone has been
issued. Wildfires burning in the region combined with forecasted
conditions will cause air quality to reach unhealthy levels due to
smoke and ozone at times through 8 PM PDT Thursday.
Pollutants in smoke can cause burning eyes, runny nose, aggravate
heart and lung diseases, and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
More information about air quality can be found at:
www.swcleanair.gov
www.oregon.gov/DEQ
* WHAT...Hot conditions with temperatures in the upper 80s to low
90s expected. This will pose a moderate to isolated major risk of
heat-related illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From noon Thursday to 9 PM PDT Friday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* ADDITIONAL DETAILS...Areas of elevated smoke and haze are expected
to move over western Washington Thursday and Friday. This could
result in slightly lower temperatures than forecast.
* WHAT...Hot conditions with temperatures in the upper 80s to low
90s expected. This will pose a moderate risk of heat-related
illness.
* WHERE...Lower Chehalis Valley Area and Southwest Interior.
* WHEN...From noon to 9 PM PDT Thursday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* ADDITIONAL DETAILS...Areas of elevated smoke and haze are expected
to move over western Washington Thursday and Friday. This could
result in slightly lower temperatures than forecast.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Colville Confederated Tribes
An Air Quality Alert continues for all of Okanogan County 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.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
Colville Confederated Tribes
An Air Quality Alert continues for all of Okanogan and Ferry
Counties, as well as the Colville Reservation 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.
* Affected Area: Fire Weather Zone 709 Lower Palouse-Snake River.
* Winds: West 10 to 20 mph with gusts up to 30 mph. Gusty outflow
winds are possible near any thunderstorms.
* Relative Humidities: 10 to 18 percent.
* Thunderstorms: Isolated thunderstorms containing only brief rain
is possible through mid afternoon.
* Impacts: Gusty winds with low relative humidity values through
the early evening may result in rapid fire spread for any new
and ongoing fires.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS THROUGH THIS
AFTERNOON...
Isolated thunderstorms capable of abundant lightning are possible
across the northern Blues and Wallowa county beginning through
the late afternoon. Abundant lightning is capable of producing new
fire starts.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 645 Wallowa District, 692 Blue Mountains of
Washington and 693 Southeast Washington Grande Ronde Valley.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning
activity level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
* Affected Area: Fire Weather Zone 709 Lower Palouse -Snake River
(Zone 709).
* Thunderstorms: Scattered thunderstorms containing only brief
rain this morning through mid afternoon.
* Winds: West 10 to 20 mph with gusts up to 30 mph. Gusty outflow
winds are possible near any thunderstorms.
* Relative Humidities: 10 to 18 percent.
* Impacts: Abundant lightning combined with dry fuels may lead to
several new fire starts. Little to no rain is expected with
lightning. Gusty winds this afternoon into the early evening
may result in rapid fire spread for any new and ongoing fires.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS TODAY THROUGH
TOMORROW...
Isolated thunderstorms capable of abundant lightning are possible
across the northern Blues and Wallowa county beginning Tuesday
morning through the late afternoon. Abundant lightning is capable
of producing new fire starts.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 645 Wallowa District, 692 Blue Mountains of
Washington and 693 Southeast Washington Grande Ronde Valley.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning
activity level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
The National Weather Service in Spokane has issued a Red Flag
Warning, which is in effect from 2 AM to 1 PM PDT Tuesday. The Red
Flag Warning that was out for the same area through 5 PM today
has been cancelled.
* Affected Area: Fire Weather Zone 709 Lower Palouse-Snake River.
* Thunderstorms: Scattered thunderstorms containing only brief
rain.
* Outflow Winds: Gusty outflow winds are possible near any
thunderstorms.
* Impacts: Abundant lightning combined with dry fuels may lead to
several new fire starts Tuesday. The fast movement of storms
will limit rain amounts, leading to the potential for new fire
starts.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS TODAY THROUGH
TOMORROW...
.Thunderstorms capable of producing abundant lightning are
possible this afternoon through the evening and overnight.
Isolated thunderstorms are possible across portions of the
the eastern Oregon Mountains through this afternoon, evening and
overnight. Abundant lightning is capable of producing new fire
starts.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 645 Wallowa District, 692 Blue Mountains of
Washington and 693 Southeast Washington Grande Ronde Valley.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to scattered. Lightning activity level
of 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
The Washington State Department of Ecology has issued an Air Quality
Alert...IN EFFECT UNTIL FURTHER NOTICE.
A Smoke Air Quality Alert has been issued. Wildfires burning in the
region combined with forecasted conditions will cause air quality to
reach unhealthy levels.
Pollutants in smoke can cause burning eyes...runny nose...aggravate
heart and lung diseases...and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
Information about air quality is on the Washington Department of
Ecology Web site at http://www.ecy.wa.gov/air.html or call 360-407-
6000.
At 1103 AM PDT, Doppler radar was tracking a strong thunderstorm 9
miles southwest of Pullman, moving northeast at 50 mph.
HAZARD...Winds in excess of 30 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Pullman, Moscow, Troy, Potlatch, Palouse, Albion, Onaway, Wawawai,
Princeton, Viola, Mayview, and Joel.
This includes the following highways...
U.S. Highway 95 in Idaho between mile markers 339 and 370.
U.S. Highway 195 in Washington between mile markers 12 and 30.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS TODAY...
.Thunderstorms capable of producing abundant lightning are
possible this morning and again this afternoon and evening.
Isolated thunderstorms are possible mainly this morning across
portions of the east slopes of the Oregon Cascades and Columbia
Basin while this afternoon the thunderstorms are possible across
the eastern Oregon Mountains. Abundant lightning is capable of
producing new fire starts.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 645 Wallowa District, 692 Blue Mountains of
Washington and 693 Southeast Washington Grande Ronde Valley.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to scattered. Lightning activity
level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
At 817 AM PDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Paradise, or 26 miles southwest of Lewiston, moving
northeast at 30 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Rogersburg and Anatone.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS TODAY...
.Thunderstorms capable of producing abundant lightning are
possible this morning and again this afternoon and evening.
Isolated thunderstorms are possible mainly this morning across
portions of the east slopes of the Oregon Cascades and Columbia
Basin while this afternoon the thunderstorms are possible across
the eastern Oregon Mountains. Abundant lightning is capable of
producing new fire starts.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect from 10 AM
this morning to 5 PM PDT this afternoon.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 645 Wallowa District, 692 Blue Mountains of
Washington and 693 Southeast Washington Grande Ronde Valley.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to scattered. Lightning activity level
of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
...ABUNDANT LIGHTNING POSSIBLE WITH THUNDERSTORMS TODAY...
.Thunderstorms capable of producing abundant lightning are
possible this morning and again this afternoon and evening.
Isolated thunderstorms are possible mainly this morning across
portions of the east slopes of the Oregon Cascades and Columbia
Basin while this afternoon the thunderstorms are possible across
the eastern Oregon Mountains. Abundant lightning is capable of
producing new fire starts.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until 10 AM
PDT this morning.
* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the
Northern Oregon Cascades, 691 Lower Columbia Basin and 694
Yakama Alpine District.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning activity
level of 2.
* OUTFLOW WINDS...Gusts as high of 40 to 50 mph are possible near
thunderstorms.
* WHAT...Hot temperatures. High temperatures 97 to 106 degrees
Monday.
* WHERE...Gifford, Lewiston Grade, Peck, Alpowa Summit, Culdesac,
Clarkston, Pomeroy, Lapwai, and Lewiston.
* WHEN...From noon today to 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
At 224 AM PDT, Doppler radar was tracking a strong thunderstorm near
Parkdale, or 9 miles south of Hood River, moving northeast at 35 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Hood River, Odell, Parkdale, Dee, and Underwood.
In Washington this includes State Route 14 near mile marker 63.
This includes the following highways in Oregon...
Interstate 84 between mile markers 62 and 68.
State Highway 35 between mile markers 80 and 102.
The National Weather Service in Spokane has issued a Red Flag
Warning for thunderstorms, which is in effect from 3 AM to 5 PM
PDT Monday.
* Affected Area: Fire Weather Zone 701 Foothills of Northeast
Washington (Zone 701), Fire Weather Zone 707 Western Columbia
Basin (Zone 707), Fire Weather Zone 708 Eastern Columbia Basin
-Palouse -Spokane Area (Zone 708) and Fire Weather Zone 709
Lower Palouse -Snake River (Zone 709).
* Thunderstorms: Scattered thunderstorms containing only brief
rain.
* Outflow Winds: Gusty outflow winds are possible near any
thunderstorms.
* Impacts: Abundant lightning combined with dry fuels may lead to
several new fire starts on Monday. The fast movement of storms
will limit rain amounts, leading to the potential for new fire
starts.
