洪水警报由NWS斯波坎WA于9月12日太平洋夏令时下午12:00发布,有效期至9月13日太平洋夏令时晚上8:00。
* 内容……可能发生由强降雨引发的碎屑流和火山灰流、岩石滑落以及轻微洪水，尤其是在烧伤痕迹附近。* 地点……华盛顿州中北部和东北部的部分地区，……
* WHAT...Debris and ash flows, rock slides, and minor flooding caused by excessive rainfall is possible, especially near burn scars.
* WHERE...Portions of North Central and Northeast Washington, including the following counties, in North Central Washington, Chelan, Douglas and Okanogan. In Northeast Washington, Ferry.
* WHEN...From late tonight through Sunday evening.
* IMPACTS...Excessive runoff may result in debris and ash flows over burn scars in steep terrain. Rock slides will be possible. Minor flooding in urban areas where there is poor drainage. Storm drains and ditches may become clogged with debris.
* ADDITIONAL DETAILS... - A slow moving storm system will bring persistent bands of rain through Central Washington. Rain intensities will vary from light to moderate. Rainfall amounts will range between 0.50 and 1.50 inches with locally around 2.00 inches in southern Chelan County. - This includes but is not limited to the following burn scars: Modrite, Kaiser Canyon, Sinlahekin, Chelan Falls, Little Giant, Sisi, and Pioneer. - http://www.weather.gov/safety/flood
Affected area: Chelan, WA; Douglas, WA; Ferry, WA; Okanogan, WA