178 WGUS56 KSEW 230140 FFWSEW WAC033-230345- /O.NEW.KSEW.FF.W.0001.230623T0140Z-230623T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Seattle WA 640 PM PDT Thu Jun 22 2023 The National Weather Service in Seattle has issued a * Flash Flood Warning for... The Loch Katrine burn scar in... Northeastern King County in west central Washington... * Until 845 PM PDT. * At 640 PM PDT, Doppler radar indicated thunderstorms producing heavy rain over the Loch Katrine Burn Scar. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the burn scar area. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Loch Katrine Burn Scar. SOURCE...Radar. IMPACT...Life threatening flash flooding of areas in and around the Loch Katrine Burn Scar. * Some locations that will experience flash flooding include... mainly rural areas of Northeastern King County PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Loch Katrine Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 4763 12168 4763 12169 4764 12168 4765 12167 4765 12163 4765 12162 4765 12160 4764 12159 4763 12159 4763 12161 4763 12163 4763 12164 4763 12165 4763 12167 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ 41