FFWEAX The National Weather Service in Pleasant Hill MO has issued a * Flash Flood Warning for. Johnson County in east central Kansas. Central Leavenworth County in northeastern Kansas. Wyandotte County in northeastern Kansas. Northwestern Cass County in west central Missouri. Clay County in west central Missouri. Western Jackson County in west central Missouri. Platte County in west central Missouri. * Until 815 PM CDT. * At 415 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 2 inches of rain have fallen. Additional rainfall amounts of 0.5 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. 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. Kansas City, Overland Park, Olathe, Independence, Lee's Summit, Shawnee, Lenexa, Leavenworth, Leawood, Raytown, Liberty, Gladstone, Grandview, Belton, Prairie Village, Raymore, Gardner, Lansing, Excelsior Springs and Merriam. This includes the following highways. Interstate 635 between mile markers 0 and 12. Interstate 29 between mile markers 0 and 24. Kansas Turnpike between mile markers 216 and 226. Interstate 35 in Kansas between mile markers 202 and 235. Interstate 435 between mile markers 0 and 83. Interstate 49 between mile markers 170 and 183. Interstate 70 in Missouri between mile markers 0 and 14. Interstate 35 in Missouri between mile markers 0 and 31. Interstate 70 in Kansas between mile markers 410 and 423. Interstate 470 between mile markers 0 and 7.