Hoiatused, Big Rattlesnake Butte

Air quality

20.7 8:14 PM 20:14 – 21.7 8:15 PM 20:15

Air Quality Alert issued July 20 at 1:14PM PDT by NWS Pendleton OR Oregon Department of Environmental Quality has issued an Air Quality Advisory until 4 PM PDT Wednesday. For the Air Quality Advisory, stagnant air conditions will trap smoke and other air pollutants near the ground where people breathe. Check with your local health or air agency for current restrictions on woodstove use. There are often exceptions for those who use wood exclusively to heat their homes and those with limited income. People can take the following precautions to protect their health: * Follow local burn restrictions to prevent deteriorating air quality. * Avoid strenuous outdoor activity in smoky conditions. * 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 http://www.oregon.gov/DEQ

National Weather Service

Fire danger

22.7 6:00 PM 18:00 – 23.7 6:00 AM 06:00

Red Flag Warning issued July 20 at 12:37PM PDT until July 22 at 11:00PM PDT by NWS Pendleton OR ...The upper level low over the region will shift to the east just enough to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of thunderstorms across central Oregon and the eastern mountains. Isolated dry thunderstorms could spark new wildfires and gusty outflow winds can affect fires already on the landscape... * AFFECTED AREA...Fire Weather Zones 698 Southern Blue Mountains, 700 Central Mountains of Oregon and 705 Southern Deschutes National Forest. * TIMING...From 11 AM to 11 PM PDT Wednesday. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Isolated to scattered dry thunderstorms after 11 AM Wednesday. * OUTFLOW WINDS...Gusts from 25-35 mph A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

National Weather Service

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