...SCATTERED STRONG THUNDERSTORMS TODAY INTO THE EVENING...
...BREEZY WINDS OUTSIDE OF STORMS IN SOUTHERN ZONES...
.A strong upper level low will create conditions very favorable
for the development of thunderstorms through this evening. Storms
have formed in eastern OR early this morning and will move into
SW ID around noon MDT. After this first round moves through,
additional storms should form and then continue to move northeast
throughout the region. Scattered lightning is likely. Strong to
severe outflow gusts are possible near storms. Heavy rain rates on
burn scars pose a localized flash flood and debris flow risk.
Storms weaken to showers Wednesday night and chances of wetting
rains increases through Thursday.
* Thunderstorms...Scattered to isolated.
* Outflow Winds...50 to 60 mph.
* Timing...From noon MDT /11 AM PDT/ today to 9 PM MDT /8 PM
PDT/ this evening.
The Oregon Department of Environmental Quality and the Lane Regional
Air Protection Agency have continued an Air Quality Advisory, which
is IN EFFECT UNTIL 5 PM PDT WEDNESDAY.
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 Wednesday
afternoon.
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
www.lrapa.org
...SCATTERED STRONG THUNDERSTORMS WEDNESDAY INTO THE EVENING...
...BREEZY WINDS OUTSIDE OF STORMS IN SOUTHERN ZONES...
.A strong upper level low will create conditions very favorable
for the development of thunderstorms Wed into Wed evening. Storms
are expected to form in eastern OR early Wed morning and move
into SW ID around noon MDT. After this first round moves through,
additional storms should form and then continue to move northeast
throughout the region. Scattered lightning is likely. Strong to
severe outflow gusts are possible near storms. Heavy rain rates on
burn scars pose a localized flash flood and debris flow risk.
Storms weaken to showers Wednesday night and chances of wetting
rains increases through Thursday.
The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from noon MDT /11 AM
PDT/ to 9 PM MDT /8 PM PDT/ Wednesday. The Fire Weather Watch has
been replaced by this Red Flag Warning.
* Thunderstorms...Scattered to isolated.
* Outflow Winds...50 to 60 mph.
* Timing...From noon MDT /11 AM PDT/ to 9 PM MDT /8 PM PDT/
Wednesday.
The Oregon Department of Environmental Quality and the Lane Regional
Air Protection Agency has continued an Air Quality Advisory, which
is IN EFFECT UNTIL 5 PM PDT WEDNESDAY.
An Air Quality Advisory for Smoke has been remains in effect.
Wildfires burning in the region combined with forecasted conditions
will cause air quality to reach unhealthy levels at times through at
least 5 PM PDT Wednesday.
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
www.lrapa.org
...SCATTERED THUNDERSTORMS WEDNESDAY INTO THE EVENING...
.A strong upper level low will create conditions very favorable
for the development of thunderstorms Wed into Wed evening. Storms
are expected to form in eastern OR early Wed and move into SW ID
around noon MDT. After this first round moves through, additional
storms should form and then continue to move northeast throughout
the region. Scattered lightning is likely. An update or upgrade
will come in the afternoon forecast.
* Thunderstorms...Scattered.
* Outflow Winds...50 to 60 mph.
* Timing...From Wednesday morning through Wednesday evening.
The Oregon Department of Environmental Quality and the Lane Regional
Air Protection Agency have issued an Air Quality Advisory,
which is IN EFFECT UNTIL 5 PM PDT WEDNESDAY.
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 at least 5 PM
PDT Wednesday.
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
www.lrapa.org
* WHAT...High concentration of smoke particulates from wildfire
smoke.
* WHERE...Northern Harney County.
* WHEN...UNTIL 11 AM 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.
...SCATTERED THUNDERSTORMS WEDNESDAY AND INTO THE EVENING...
.A strong upper level low will create conditions very favorable
for the development of thunderstorms Wed into Wed evening. Storms
are expected to form in eastern OR early Wed and move into SW ID
around noon MDT. After this first round moves through, additional
storms should form and then continue to move northeast throughout
the region. Scattered lightning is likely.
The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Wednesday morning
through Wednesday evening.
* Thunderstorms...Scattered.
* Outflow Winds...50 to 60 mph.
* Timing...From Wednesday morning through Wednesday evening.
Oregon Department of Environmental Quality has issued an Air
Pollution Advisory...in effect until 2 PM PDT Wednesday.
The advisory is in effect for Eastern Douglas, Northern Klamath and
Northern Lake counties.
Wildfires burning in the region combined with forecast conditions
will cause air quality levels to fluctuate and could be at unhealthy
levels.
Smoke levels can change rapidly depending on the weather. People at
risk include infants and young children, people with heart or lung
disease, older adults and pregnant people.
People can take the following precautions to protect their health:
- Follow local burn restrictions to prevent deteriorating air quality.
- Avoid strenuous outdoor activity during periods of poor air quality.
- People with heart or lung problems and young children are
especially vulnerable. These people should stay indoors while smoke
levels are high.
- Use certified High Efficiency Particulate Air (HEPA) filters in
indoor heating, ventilation, cooling and air purification systems.
- Avoid using wood-burning stoves and other sources of indoor smoke
if possible.
For additional information...please visit the web site at
https://oregonsmoke.org
Oregon Department of Environmental Quality has issued an Air Quality
Advisory.. until 5 PM PDT Wednesday.
A Smoke Air Quality Advisory 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.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated to scattered thunderstorms continue to be possible this
afternoon across the Blue/Strawberry/Wallowa Mountains through
the evening hours.
* 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...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated to scattered thunderstorms continue to be possible this
afternoon across the Blue/Strawberry/Wallowa Mountains through
the evening hours.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains and 644 Central Blue Mountains.
* IMPACTS...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated to scattered thunderstorms are expected through afternoon
across the Blue Mountains, adjacent foothills, and portions of the
Columbia Basin as a weather system moves over the region.
* AFFECTED AREA...Fire Weather Zones 642 Southern Blue and
Strawberry Mountains and 644 Central Blue Mountains.
* IMPACTS...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated to scattered thunderstorms are expected through afternoon
across the Blue Mountains, adjacent foothills, and portions of the
Columbia Basin as a weather system moves over the region.
* 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...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated to scattered thunderstorms are expected through afternoon
across the Blue Mountains, adjacent foothills, and portions of the
Columbia Basin as a weather system moves over the region.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until 8 PM PDT
this evening.
* AFFECTED AREA...Fire Weather Zone 641 Lower Columbia Basin of
Oregon.
* IMPACTS...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated thunderstorms have initiated across the southern Blue
Mountains this morning. Additional development is expected through
morning and afternoon across the Blue Mountains as a weather
system moves over the region.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until 11 PM
PDT this evening.
* AFFECTED AREA...Fire Weather Zone 642 Southern Blue and
Strawberry Mountains.
* IMPACTS...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated thunderstorms have initiated across the southern Blue
Mountains this morning. Additional development is expected through
morning and afternoon across the Blue Mountains as a weather
system moves over the region.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until 11 PM
PDT this evening. The Fire Weather Watch is no longer in effect.
* 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...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...ISOLATED TO SCATTERED THUNDERSTORMS TODAY...
.Isolated thunderstorms have initiated across the southern Blue
Mountains this morning. Additional development is expected through
morning and afternoon across the Blue Mountains as a weather
system moves over the region.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until 11 PM
PDT this evening. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Fire Weather Zone 644 Central Blue Mountains.
* IMPACTS...New fire starts and rapid fire spread due to cloud-
to-ground lightning and gusty outflow winds.
* THUNDERSTORMS...Isolated to 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 producing wind gusts of 30
to 45 mph.
...UNSTABLE CONDITIONS CONTINUE, WITH THUNDERSTORMS DEVELOPING
ONCE AGAIN TONIGHT AND SUNDAY...
.Unstable conditions will persist once again tomorrow, before an
oncoming weather system shifts the threat from instability to that
of thunderstorms. Storms are expected to develop over the eastern
mountains tomorrow afternoon as well, however forecast confidence
remains on the lower end, so will hold off on upgrading the watch
there for now.
* AFFECTED AREA...Fire Weather Zones 643 Northern Blue Mountains
of Oregon, 644 Central Blue Mountains, 645 Wallowa District,
692 Blue Mountains of Washington 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.
* IMPACTS...Thunderstorms can cause new fire starts and spread
fires quickly due to outflow winds.
* AFFECTED AREA...In ORZ624...northern portions of fire weather
zone 624 from Chemult north and northeast. In ORZ625...
northern portions of Fire weather zone 625 from Summer Lake
north.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
expected to develop this afternoon and evening. Storms may be
dry with little or no rainfall.
* OUTFLOW WINDS...Strong, gusty outflows up to around 45 mph
are expected near storms.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr