Aggregator

* Affected Area: East Washington North Cascades (Zone 698), Okanogan Highlands and Kettle Mountains (Zone 699), Colville Reservation (Zone 702), Okanogan Valley (Zone 703), Methow Valley (Zone 704) and Waterville Plateau (Zone 706). * Thunderstorms: Isolated to Scattered thunderstorms with rainfall amounts less than a tenth of an inch. * Outflow Winds: Gusty and erratic winds up to 40 mph near thunderstorms. * Impacts: New fire starts are likely with thunderstorms. Gusty outflow winds may lead to fire spread with any new fire starts.

* IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, Fire weather zones 280, 281, 284 and 285. In oregon, Fire weather zones 617, 621, 623, 624 and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning possible. Storms may produce little or no rain, and lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...A 15 to 25% chance of thunderstorms. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to low 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...From noon Tuesday to 9 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

* WHAT...Afternoon high temperatures in the mid to upper 90s and overnight low temperatures in the mid 60s to low 70s expected. * WHERE...Western and Central Columbia River Gorge and the Hood River Valley. * WHEN...From noon Tuesday to 9 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses.

At 1126 PM PDT, Doppler radar was tracking gusty outflow winds along a line extending from 27 miles southeast of Nespelem Community to 31 miles west of Suncrest to near Davenport. Movement was north at 30 mph. HAZARD...Winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Fruitland, Miles, Little Falls Dam, Wellpinit, Mondovi, and Hunters.

* Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), East Washington North Cascades (Zone 698), Okanogan Highlands and Kettle Mountains (Zone 699), Colville Reservation (Zone 702), Okanogan Valley (Zone 703), Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Thunderstorms: Scattered thunderstorms with rainfall amounts less than a tenth of an inch. * Outflow Winds: Gusty and erratic winds up to 40 mph near thunderstorms. * Impacts: New fire starts are likely with thunderstorms. Gusty outflow winds may lead to fire spread with any new fire starts.

The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms, which is in effect from 9 PM this evening to 11 AM PDT Monday. * Affected Area: Okanogan Highlands and Kettle Mountains (Zone 699) and Colville Reservation (Zone 702). * Thunderstorms: Scattered thunderstorms with light rain amounts. * Outflow Winds: Gusty and erratic winds near thunderstorms. * Impacts: New fire starts are likely with thunderstorms. Gusty outflow winds may lead to fire spread with any new fire starts.

* Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), East Washington North Cascades (Zone 698), Okanogan Valley (Zone 703), Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Thunderstorms: Scattered thunderstorms with light rain amounts. * Outflow Winds: Gusty and erratic winds near thunderstorms. * Impacts: New fire starts are likely with thunderstorms. Gusty outflow winds may lead to fire spread with any new fire starts.

Oregon Department of Environmental Quality has issued an Air Quality Advisory...in effect until 11 AM PDT Tuesday. The advisory is in effect for all of Klamath County, including Crater Lake, Chemult, Crescent, Chiloquin, Klamath Falls, Sprague River, Beatty, and Bly. 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

The National Weather Service in Portland has issued a Fire Weather Watch for thunderstorms and unstable conditions, which is in effect from 2 PM to 8 PM PDT Tuesday. * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 10-20% chance of thunderstorms. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms, which is in effect from 9 PM this evening to 11 AM PDT Monday. * Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), East Washington North Cascades (Zone 698), Okanogan Valley (Zone 703), Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705) and Waterville Plateau (Zone 706). * Thunderstorms: Scattered thunderstorms with light rain amounts. * Outflow Winds: Gusty and erratic winds near thunderstorms. * Impacts: New fire starts are likely with thunderstorms. Gusty outflow winds may lead to fire spread with any new fire starts.

The National Weather Service in Medford has issued a Fire Weather Watch, which is in effect from Tuesday afternoon through Tuesday evening. * IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, Fire weather zones 280, 281, 284 and 285. In oregon, Fire weather zones 617, 621, 623, 624 and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning possible. Storms may produce little or no rain, and lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Hot temperatures. High temperatures 95 to 103 degrees. Limited overnight relief with low temperatures 58 to 65 degrees. * WHERE...Winchester, Boulder Creek Road, Methow, Genesee, Potlatch, Uniontown, Sherman Pass, Rosalia, Craigmont, Conconully, Plain, Twisp, Plummer, Quincy, Winthrop, Nezperce, Inchelium, Oakesdale, Pullman, Moscow, Republic, Soldiers Meadow Road, Othello, Leavenworth, Chesaw Road, Wauconda, Colfax, Tekoa, Mazama, Ephrata, Kamiah, La Crosse, Moses Lake, Loup Loup Pass, and Highway 20 Wauconda Summit. * WHEN...From 11 AM Tuesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Hot temperatures. High temperatures 95 to 103 degrees. Limited overnight relief with low temperatures 60 to 70 degrees. * WHERE...Nespelem, Wenatchee, Odessa, Disautel Pass, Peck, Pangborn Airport, Clarkston, Grand Coulee, Bridgeport, Worley, Lewiston Grade, Chelan, Rockford, Okanogan, Brewster, Wilbur, Omak, Coeur d'Alene, Alpowa Summit, Culdesac, Spokane Valley, Post Falls, Cashmere, Harrington, Hayden, Fairfield, Ritzville, Waterville, Badger Mountain Road, Pomeroy, Airway Heights, Number 2 Canyon, Lewiston, Lapwai, Creston, Tonasket, Cheney, Entiat, Mansfield, Davenport, Gifford, Coulee City, Downtown Spokane, Number 1 Canyon, and Oroville. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. 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. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

* WHAT...Dangerously hot conditions with temperatures up to 102 degrees possible. This will pose a major risk of heat-related illness. * WHERE...Portions of north central and northeast Oregon and central, south central, and southeast Washington. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. 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. * ADDITIONAL DETAILS...Daily high temperature records are at risk for many cities in the watch area Tuesday through Thursday.

Oregon Department of Environmental Quality has issued an Air Quality Advisory...in effect until 11 AM PDT Tuesday. The advisory is in effect for all of Klamath County, including Crater Lake, Chemult, Crescent, Chiloquin, Klamath Falls, Sprague River, Beatty, and Bly. 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

* WHAT...Hot temperatures. High temperatures 95 to 105 degrees. Limited overnight relief with low temperatures 60 to 70 degrees. * WHERE...Gifford, Spokane Valley, Harrington, Waterville, Lewiston, Grand Coulee, Rockford, Lewiston Grade, Badger Mountain Road, Hayden, Post Falls, Pomeroy, Chelan, Peck, Airway Heights, Cheney, Coulee City, Davenport, Entiat, Number 2 Canyon, Fairfield, Pangborn Airport, Lapwai, Coeur d'Alene, Bridgeport, Wilbur, Okanogan, Clarkston, Ritzville, Worley, Downtown Spokane, Mansfield, Omak, Odessa, Oroville, Alpowa Summit, Culdesac, Nespelem, Cashmere, Creston, Brewster, Tonasket, Number 1 Canyon, Disautel Pass, and Wenatchee. * WHEN...From 1 PM Sunday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.

At 522 PM PDT, Doppler radar was tracking a strong thunderstorm 16 miles east of Hardman, or 20 miles southeast of Heppner. This thunderstorm was nearly stationary. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This storm will remain over mainly rural areas of southeastern Morrow County.