Expires:202309140345;Remove:202309140345;591823 WGUS53 KUNR 140036 FFWUNR SDC033-140345- /O.NEW.KUNR.FF.W.0011.230914T0036Z-230914T0345Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Rapid City SD 636 PM MDT Wed Sep 13 2023 The National Weather Service in Rapid City has issued a * Flash Flood Warning for... Northeastern Custer County in southwestern South Dakota... * Until 945 PM MDT. * At 636 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3.5 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... Hermosa. This includes the following streams and drainages... Battle Creek, Murphy Ditch and Grace Coolidge Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 4386 10334 4380 10331 4379 10328 4382 10313 4385 10315 4386 10318 FLASH FLOOD...RADAR INDICATED $$ Sherburn