山洪警报：于9月19日凌晨2点18分（美国中部夏令时）发布，有效期至9月19日凌晨4点15分（美国中部夏令时），由美国国家气象局威斯康星州拉克罗斯分局发布。
中欧夏令时凌晨2点18分，多普勒雷达显示在预警区域内有雷暴产生强降雨。该地区已降雨2.5至4.5英寸。预计还将有最多1英寸的额外降雨……
At 218 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 4.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Some locations that will experience flash flooding include... Viroqua, Westby, Stoddard, Coon Valley, Springville, Viola, Liberty, Readstown, De Soto, Chaseburg, Genoa, Ross, Bud, Sidie Hollow County Park, Highway 56 And County N, Runge Hollow, County Roads B And Y, Esofea, Purdy and County Roads O And Y.
Affected area: Vernon, WI