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Flash Flood Warning issued August 9 at 1:54PM PDT until August 9 at 5:00PM PDT by NWS Spokane WA

5 months ago
FFWOTX The National Weather Service in Spokane has issued a * Flash Flood Warning for... The Cedar Creek Burn Scar in... Western Okanogan County in north central Washington... * Until 500 PM PDT. * At 154 PM PDT, Doppler radar indicated thunderstorms producing heavy rain over the Cedar Creek Burn Scar. Between 0.4 and 0.8 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the warning area will cause mud slides near steep terrain. The mud slide can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the Cedar Creek Burn Scar. SOURCE...Radar. IMPACT...Flooding of areas in and around the Cedar Creek Burn Scar. * Some locations that will experience flash flooding include... Mazama.
NWS

Air Quality Alert issued August 9 at 1:17PM PDT by NWS Portland OR

5 months ago
The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency have continued an Air Quality Advisory, which is in effect until 1 PM PDT Monday. 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 at least 1 PM PDT Monday. 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
NWS

Air Quality Alert issued August 9 at 1:18PM PDT by NWS Pendleton OR

5 months ago
The Yakima Regional Clean Air Agency 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.
NWS

Air Quality Alert issued August 9 at 1:18PM PDT by NWS Pendleton OR

5 months ago
Oregon Department of Environmental Quality has issued an Air Quality Advisory...IN EFFECT UNTIL UNTIL MONDAY AFTERNOON. 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
NWS

Air Quality Alert issued August 9 at 12:51PM PDT by NWS Portland OR

5 months ago
The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency have continued an Air Quality Advisory, which is in effect until 1 PM PDT Monday. 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 at least 1 PM PDT Monday. 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
NWS

Air Quality Alert issued August 9 at 12:38PM PDT by NWS Medford OR

5 months ago
Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until at least 3 PM PDT on Monday, August 12. The Oregon Department of Environmental Quality issued an air quality advisory for Lake, Klamath, and central amd eastern Douglas counties due to wildfires burning in the region. The DEQ also expects intermittent smoke in Jackson and Josephine counties through this period due to smoke from surrounding fires. The wildfire smoke 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 and planned burn operations. Smoke can irritate the eyes and lungs and worsen some medical conditions. People most 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
NWS

Red Flag Warning issued August 9 at 11:49AM PDT until August 10 at 12:00AM PDT by NWS Spokane WA

5 months ago
...ABUNDANT LIGHTNING IN CASCADES THIS AFTERNOON AND EVENING... Showers and thunderstorms will expand in coverage over the Cascades this afternoon with abundant lightning into the evening hours. A mix of wet and dry thunderstorms is expected with enough lightning to occur to overcome the extinguishing effects of rain. This will especially be so for lightning strikes outside of cores of thunderstorms. * Affected Area: Fire Weather Zone 696 East Washington Central Cascades (Zone 696), Fire Weather Zone 697 East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), Fire Weather Zone 698 East Washington North Cascades (Zone 698), Fire Weather Zone 703 Okanogan Valley (Zone 703), Fire Weather Zone 704 Methow Valley (Zone 704) and Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705). * Thunderstorms: Abundant lightning resulting in frequent cloud to ground lightning strikes. * Outflow Winds: Gusty and erratic outflow winds of up to 40 mph will be possible. * Impacts: Lightning may result in new fire starts. Gusty outflow winds will be capable of rapid fire spread and causing erratic wind directions.
NWS

Red Flag Warning issued August 9 at 4:10AM PDT until August 10 at 12:00AM PDT by NWS Seattle WA

5 months ago
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * THUNDERSTORMS...Scattered thunderstorms are expected over the North Cascades with LAL of 3 during the afternoon and evening hours. * OUTFLOW WINDS...Gusty and erratic winds are possible in the vicinity of any thunderstorms that develop. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area.
NWS

Red Flag Warning issued August 9 at 3:55AM PDT until August 10 at 12:00AM PDT by NWS Spokane WA

5 months ago
...ABUNDANT LIGHTNING IN CASCADES THIS AFTERNOON AND EVENING... Showers and thunderstorms will expand in coverage over the Cascades this afternoon with abundant lightning into the evening hours. A mix of wet and dry thunderstorms is expected with enough lightning to occur to overcome the extinguishing effects of rain. This will especially be so for lightning strikes outside of cores of thunderstorms. The National Weather Service in Spokane has issued a Red Flag Warning for thunderstorms, which is in effect from noon today to midnight PDT tonight. * Affected Area: Fire Weather Zone 696 East Washington Central Cascades (Zone 696), Fire Weather Zone 697 East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), Fire Weather Zone 698 East Washington North Cascades (Zone 698), Fire Weather Zone 703 Okanogan Valley (Zone 703), Fire Weather Zone 704 Methow Valley (Zone 704) and Fire Weather Zone 705 Foothills of Central Washington Cascades (Zone 705). * Thunderstorms: Abundant lightning resulting in frequent cloud to ground lightning strikes. * Outflow Winds: Gusty and erratic outflow winds of up to 40 mph will be possible. * Impacts: Lightning may result in new fire starts. Gusty outflow winds will be capable of rapid fire spread and causing erratic wind directions.
NWS

Heat Advisory issued August 9 at 3:47AM PDT until August 9 at 9:00PM PDT by NWS Seattle WA

5 months ago
* WHAT...Hot conditions with temperatures in the mid 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...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. * ADDITIONAL DETAILS...Areas of elevated smoke and haze are expected to remain over western Washington through Friday. This could result in slightly lower temperatures than forecast.
NWS

Air Quality Alert issued August 9 at 3:21AM PDT by NWS Medford OR

5 months ago
Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until 5 PM PDT this afternoon. The Oregon Department of Environmental Quality issued an air quality advisory for Jackson and Klamath counties due to wildfires burning in the region. The DEQ also expects intermittent smoke in Josephine, and eastern Douglas counties through at least Friday afternoon due to smoke from surrounding fires. The wildfire smoke 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 and planned burn operations. Smoke can irritate the eyes and lungs and worsen some medical conditions. People most 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
NWS

Heat Advisory issued August 8 at 8:51PM PDT until August 9 at 9:00PM PDT by NWS Seattle WA

5 months ago
* 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...Until 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 remain over western Washington through Friday. This could result in slightly lower temperatures than forecast.
NWS

Air Quality Alert issued August 8 at 8:02PM PDT by NWS Portland OR

5 months ago
The Southwest Clean Air Agency has issued an Air Quality Advisory, which is in effect until 1 PM PDT Friday. An Air Quality Advisory for Smoke has been issued. Wildfires burning in the region will cause air quality to reach unhealthy levels due to smoke at times through 1 PM PDT Friday. 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.orcaa.org www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org
NWS

Air Quality Alert issued August 8 at 8:02PM PDT by NWS Portland OR

5 months ago
The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency has continued an Air Quality Advisory for eastern Lane County, which is in effect until 1 PM PDT Friday. 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 1 PM PDT Friday. 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.orcaa.org www.swcleanair.gov www.oregon.gov/DEQ www.lrapa.org
NWS

Air Quality Alert issued August 8 at 4:02PM PDT by NWS Medford OR

5 months ago
Oregon Department of Environmental Quality has issued an Air Pollution Advisory...in effect until 3 PM PDT Friday. The Oregon Department of Environmental Quality issued an air quality advisory for Jackson and Klamath counties due to wildfires burning in the region. The DEQ also expects intermittent smoke in Josephine, and eastern Douglas counties through at least Friday afternoon due to smoke from surrounding fires. The wildfire smoke 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 and planned burn operations. Smoke can irritate the eyes and lungs and worsen some medical conditions. People most 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
NWS

Air Quality Alert issued August 8 at 3:22PM PDT by NWS Seattle WA

5 months ago
An Air Quality Alert for smoke has been issued by Southwest Clean Air Agency until 1 PM PDT Friday. Wildfires burning in the region will cause air quality to reach unhealthy for sensitive groups due to smoke. All sensitive groups should limit spending any time outdoors. People with health conditions may have worsened symptoms. Healthy people may start to have symptoms. Wildfire smoke can cause burning eyes, sore throat, headache, coughing, wheezing, shortness of breath, and worsening of heart and lung conditions. For current current air quality conditions, health precautions, and additional information on wildland fire smoke, visit the Southwest Clean Air Agency website at swcleanair.gov or the Washington Smoke Blog at http://wasmoke.blogspot.com. You may also contact your local air quality agency.
NWS

Heat Advisory issued August 8 at 2:41PM PDT until August 9 at 9:00PM PDT by NWS Seattle WA

5 months ago
* 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...Until 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.
NWS

Heat Advisory issued August 8 at 2:41PM PDT until August 8 at 9:00PM PDT by NWS Seattle WA

5 months ago
* WHAT...Hot conditions with temperatures in the upper 80s expected. This will pose a moderate risk of heat-related illness. * WHERE...Lower Chehalis Valley Area and Southwest Interior. * 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.
NWS

Red Flag Warning issued August 8 at 2:05PM PDT until August 10 at 12:00AM PDT by NWS Seattle WA

5 months ago
The National Weather Service in Seattle has issued a Red Flag Warning for thunderstorms and gusty outflow winds, which is in effect from 10 AM Friday to midnight PDT Friday night. * AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet. * THUNDERSTORMS...Scattered thunderstorms are expected over the North Cascades with LAL of 3 during the afternoon and evening hours. * OUTFLOW WINDS...Gusty and erratic winds are possible in the vicinity of any thunderstorms that develop. * IMPACTS...Scattered lightning in dry fuels can cause multiple fire starts. Thunderstorms can also bring sudden sharp wind shifts on existing fires, causing rapid changes in a fire's rate of spread and direction of spread. Thunderstorm outflow winds can be a threat for several hours following the start of a new lightning-caused fire. If a fire were to begin, air quality may diminish in the surrounding area.
NWS