Expires:202305250600;Remove:202305250600;963719 WGUS55 KBYZ 250308 FFWBYZ MTC017-250600- /O.NEW.KBYZ.FF.W.0004.230525T0308Z-230525T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Billings MT 908 PM MDT Wed May 24 2023 The National Weather Service in Billings has issued a * Flash Flood Warning for... Northwestern Custer County in southeastern Montana... * Until midnight MDT tonight. * At 908 PM MDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is already occurring, flooding nearby campgrounds, and flowing over roads, drainages, and culverts. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. 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... Miles City, Matthews Recreation Area, Strawberry Hill Recreation Area and Twelve Mile Dam. Yellowstone River and Tongue River within the warned area will see brief, rapid rises. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Do not drive on or attempt to cross flooded roads, find an alternate route. Roads and driveways may be damaged or washed out in places. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency officials and request they pass the information to the National Weather Service in Billings. && LAT...LON 4618 10575 4623 10572 4634 10565 4646 10561 4663 10556 4666 10578 4656 10585 4648 10589 4641 10589 4627 10585 4620 10585 4616 10581 4617 10578 FLASH FLOOD...OBSERVED $$ Vertz