SEVERE WX: Air Quality Alert - Red Flag Warning View Alerts

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Last Updated: 1:45 PM

Air Quality Alert

Areas Affected: Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Siskiyou Mountains and Southern Oregon Cascades; South Central Oregon Cascades

NWS Medford (Southwest Oregon and Northern California)

...AIR QUALITY ALERT IN EFFECT UNTIL 5 PM PDT SATURDAY... Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until further notice. Wildfires burning in the region will cause air quality levels to fluctuate and be at unhealthy levels. Today, periods of very unhealthy to hazardous air quality are expected. Unhealthy conditions are likely Thursday and continuing into the weekend with only limited or brief improvements at times. 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


Red Flag Warning

Areas Affected: Klamath Basin and the Fremont-Winema National Forest; South Central Oregon Desert including the BLM Land in Eastern Lake and Western Harney Counties

NWS Medford (Southwest Oregon and Northern California)

...Isolated dry thunderstorms in northeastern California and south central Oregon, mainly from the Cascades eastward this evening... .Elevated monsoonal moisture and exceptionally dry conditions at and near the surface will bring the potential for dry thunderstorms this evening across northeastern California and portions of Klamath, Lake, and Harney counties. Thunderstorm chances west of the Cascades have decreased, allowing for the cancellation of the fire weather watch. Still, a stray thunderstorm will be possible west of the Cascades. ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND 625...

* Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible.

* Affected area: most of Southern Oregon along and east of the Cascades. This includes most of fire zones 624 and 625.

* Thunderstorms: Isolated to scattered dry thunderstorms this afternoon and evening. Confidence in thunderstorms in moderate most locations but high in the Cascades and northern Klamath. Precautionary/preparedness actions... Dry lightning on existing very dry fuels could cause numerous new fire ignitions. Gusty and erratic outflow winds could lead to rapid fire growth potential.


Red Flag Warning

Areas Affected: Modoc County Except for the Surprise Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta

NWS Medford (Southwest Oregon and Northern California)

...Isolated dry thunderstorms in northeastern California and south central Oregon, mainly from the Cascades eastward this evening... .Elevated monsoonal moisture and exceptionally dry conditions at and near the surface will bring the potential for dry thunderstorms this evening across northeastern California and portions of Klamath, Lake, and Harney counties. Thunderstorm chances west of the Cascades have decreased, allowing for the cancellation of the fire weather watch. Still, a stray thunderstorm will be possible west of the Cascades. ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 285...

* Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible.

* Affected area: Most of Fire Weather Zone 284 and all of Fire Weather Zone 285. This includes portions of eastern Siskiyou County as well as Modoc County

* Thunderstorms: Isolated dry thunderstorms this afternoon and evening. Confidence in these thunderstorms occuring is moderate most locations and high along and near the Warner Mountains. Precautionary/preparedness actions... Dry lightning on existing very dry fuels could cause numerous new fire ignitions. Gusty and erratic outflow winds could lead to rapid fire growth potential.


Red Flag Warning

Areas Affected: Southern Oregon Cascades; Umpqua National Forest

NWS Medford (Southwest Oregon and Northern California)

...Isolated dry thunderstorms in northeastern California and south central Oregon, mainly from the Cascades eastward this evening... .Elevated monsoonal moisture and exceptionally dry conditions at and near the surface will bring the potential for dry thunderstorms this evening across northeastern California and portions of Klamath, Lake, and Harney counties. Thunderstorm chances west of the Cascades have decreased, allowing for the cancellation of the fire weather watch. Still, a stray thunderstorm will be possible west of the Cascades. ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR DRY THUNDERSTORMS ON DRY FUELS FOR THE CASCADE CREST IN FIRE WEATHER ZONES 617 AND 623... ...FIRE WEATHER WATCH IS CANCELLED FOR AREAS WEST OF THE CASCADES IN FIRE WEATHER ZONES 617 AND 623...

* Impacts: Dry thunderstorms and high fire danger will likely result in new fire starts. Gusty thunderstorm winds could contribute to fire spread. Initial attack resources could be overwhelmed and holdover fires are possible.

* Affected area: Along the Cascade Crest in Fire Zone 617 and 623. This affects the Timber Crater 6 and 10 fires.

* Thunderstorms: Isolated to scattered thunderstorms are possible overnight through Wednesday evening. Confidence is moderate in thunderstorms along and east of the Cascade crest, and low west of there. Smoke across the area may inhibit the convection. Precautionary/preparedness actions... Dry lightning on existing very dry fuels could cause numerous new fire ignitions. Gusty and erratic outflow winds could lead to rapid fire growth potential. &&


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