506 WWUS86 KSEW 282248 RFWSEW URGENT - FIRE WEATHER MESSAGE National Weather Service Seattle WA 348 PM PDT Wed Aug 28 2019 WAZ659-290600- /O.CON.KSEW.FW.W.0002.000000T0000Z-190829T0600Z/ West Slopes of the Central Cascades Generally above 1500 Feet- 348 PM PDT Wed Aug 28 2019 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR HOT, DRY, AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONE 659... * AFFECTED AREA...Fire Weather Zone 659. * RELATIVE HUMIDITY...As low as 18 to 22 percent. * TEMPERATURES...In the 80s, with mountain valleys into the 90s. * HAINES...Mid-level Haines 6 or high. High-level Haines of 5 or moderate. * IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either imminent or occurring now. Any fires that develop will likely spread quickly. && $$ www.weather.gov/seattle