Air quality around Government Camp, Timothy Lake, Bennett Pass, and
Lost Lake has improved this afternoon. Onshore flow will allow air
quality to improve through Sunday. Patchy area of smoke may still be
present in areas close to wildfires.
More information about air quality can be found at:
www.oregon.gov/DEQ
* AFFECTED AREA...Fire Weather Zone 652 West Portion of the
Olympic Mountains and Fire Weather Zone 661 East Portion of
the Olympic Mountains.
* RELATIVE HUMIDITY...As low as 25 to 30 percent.
* TEMPERATURES...Up to 82.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 86.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the
Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 86.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
The Southwest Clean Air Agency has continued an Air Quality Advisory,
which is IN EFFECT UNTIL NOON PDT SATURDAY.
An Air Quality Advisory for Smoke remains in effect. Wildfires burning
in the region combined with forecasted conditions will cause air
quality to reach unhealthy levels at times through Saturday morning.
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
The Oregon Department of Environmental Quality has issued an Air
Quality Advisory, which is IN EFFECT UNTIL 6 PM PDT SUNDAY.
An Air Quality Advisory for Smoke has been issued. Wildfires burning
in the region combined with forecasted conditions will cause air
quality to reach unhealthy levels at times through Sunday evening.
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.oregon.gov/DEQ
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry, and unstable conditions will continue across central
Oregon today. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry, and unstable conditions will continue across central
Oregon today. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry, and unstable conditions will continue across central
Oregon today. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Now through Saturday evening.
* RELATIVE HUMIDITY...As low as 11 percent.
* TEMPERATURES...Up to 92.
* IMPACTS...Possible plume dominated fire behavior.
* ADDITIONAL INFORMATION...Isolated thunderstorms are forecast for
this afternoon and evening that may also bring new starts to
the area.
* HAINES...As high as 6.
* WHAT...Hot conditions with temperatures up to 95 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...Until 9 PM PDT this evening.
* 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.
* WHAT...Hot conditions with temperatures up to 100 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 9 PM PDT this evening.
* 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.
* WHAT...Hot conditions with temperatures up to 95 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Ochoco-John Day Highlands and Southern Blue Mountains of
Oregon.
* WHEN...Until 9 PM PDT this evening.
* 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.
* WHAT...Hot conditions with temperatures up to 100 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 9 PM PDT this evening.
* 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.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Now through Saturday evening.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 92.
* IMPACTS...Possible plume dominated fire behavior.
* ADDITIONAL INFORMATION...Isolated thunderstorms are forecast
for Saturday evening that may also bring new starts to the
area.
* HAINES...As high as 6.
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 85.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the
Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 90.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 652 West Portion of the
Olympic Mountains and Fire Weather Zone 661 East Portion of
the Olympic Mountains.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 85.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. There are scattered thunderstorms in the southern
Deschutes National Forest that prompted Red Flag Warnings. A
Pacific frontal system tracking across eastern Oregon and far
southeast Washington will bring another round of showers and
thunderstorms on Sunday. Storms are not expected to bring as much
lightning as what was observed on Labor Day, but the potential lightning
is enough to warrant Fire Weather Watches.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for abundant lightning, which is in effect from
Sunday morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.