WGUS86 KSEW 121850 FLSSEW Flood Statement National Weather Service Seattle WA 1050 AM PST Fri Dec 12 2025 ...The Flood Warning is extended for the following rivers in Washington... Cedar River At Renton affecting King County. Cedar River Near Landsburg affecting King County. ...The Flood Warning continues for the following rivers in Washington... Green River Near Auburn affecting King County. .Dam operations to reduce the flood pool of area dams will increase the flow levels below the dams. PRECAUTIONARY/PREPAREDNESS ACTIONS... Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued by this evening at 700 PM PST. && WAC033-130300- /O.EXT.KSEW.FL.W.0053.000000T0000Z-251215T0342Z/ /RNTW1.3.ER.000000T0000Z.251211T2300Z.251214T1842Z.NR/ 1050 AM PST Fri Dec 12 2025 ...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY EVENING... * WHAT...Major flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Cedar River at Renton. * WHEN...Until Sunday evening. * IMPACTS...At 16.0 feet, the Cedar River will cause major flooding in Renton, especially at the Renton Airport. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near the Cedar River Basin. * ADDITIONAL DETAILS... - At 10:15 AM PST Friday the stage was 16.4 feet. - Flood stage is 13.0 feet. - Forecast...The river is falling and expected to fall below flood stage late Sunday morning. - Flood History...This crest compares to a previous crest of 16.3 feet on 01/08/2009. - http://www.weather.gov/safety/flood && LAT...LON 4736 12209 4743 12222 4750 12229 4756 12214 4751 12210 4745 12196 $$ WAC033-130300- /O.EXT.KSEW.FL.W.0049.000000T0000Z-251214T1643Z/ /LNDW1.3.ER.251210T1525Z.251212T0000Z.251214T0743Z.NO/ 1050 AM PST Fri Dec 12 2025 ...FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY MORNING... * WHAT...Major flooding is occurring and moderate flooding is forecast. * WHERE...Cedar River near Landsburg. * WHEN...Until Sunday morning. * IMPACTS...At 7.5 feet, the Cedar River will cause severe flooding from Landsburg downstream through Maplewood. Deep and swift flood waters will inundate many roads and some residential areas, especially in Maple Valley. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near the Cedar River Basin. A stage of 7.5 feet on the Cedar River corresponds to a phase 4 flood in the King County flood system. * ADDITIONAL DETAILS... - At 10:15 AM PST Friday the stage was 8.1 feet. - Flood stage is 5.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM PST Friday was 9.5 feet. - Forecast...The river is falling and expected to fall below flood stage late tomorrow evening. - http://www.weather.gov/safety/flood && LAT...LON 4735 12179 4733 12202 4738 12213 4747 12202 4744 12195 4745 12182 $$ WAC033-130300- /O.CON.KSEW.FL.W.0039.000000T0000Z-000000T0000Z/ /AUBW1.2.ER.251209T1446Z.251215T1800Z.000000T0000Z.NO/ 1050 AM PST Fri Dec 12 2025 ...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding isoccurring and moderate flooding is forecast. * WHERE...Green River near Auburn. * WHEN...Until further notice. * IMPACTS...At 12,000.0 cfs, the Green River will inundate low areas from the middle Green River valley downstream to Auburn...with water over several roads including SE Green Valley Rd and West Valley Rd. Levees from Auburn down through Tukwilla may exhibit seeapage and may weaken due to saturation. A flow of 12000 cfs on the Green River corresponds to a phase 4 flood in the King County flood system. * ADDITIONAL DETAILS... - At 9:45 AM PST Friday the flow was 9,460.0 cfs. - Flood flow is 9,000.0 cfs. - Forecast...The river is expected to rise to a crest of 12,100 cfs late tonight and fluctuate around that level through the weekend. - http://www.weather.gov/safety/flood && LAT...LON 4724 12188 4723 12212 4723 12231 4753 12238 4753 12208 4753 12192 $$ JBB