510 WGUS55 KTFX 121317 FFWTFX MTC007-049-121615- /O.NEW.KTFX.FF.W.0002.240912T1317Z-240912T1615Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Great Falls MT 717 AM MDT Thu Sep 12 2024 The National Weather Service in Great Falls has issued a * Flash Flood Warning for... The Horse Gulch burn scar in... Northwestern Broadwater County in southwestern Montana... Southeastern Lewis and Clark County in west central Montana... * Until 1015 AM MDT. * At 717 AM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Horse Gulch Burn Scar. The expected rainfall rate is 0.25 to 0.50 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flow moving through the The Horse Gulch Fire Scar. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Flash flooding caused by thunderstorms in and around the Horse Gulch Burn Scar. SOURCE...Radar. IMPACT...Flooding of areas in and around the Horse Gulch Burn Scar. * Some locations that will experience flash flooding include... mainly rural areas of Northwestern Broadwater and Southeastern Lewis and Clark Counties PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a life threatening situation. Heavy rainfall will cause extensive and severe flash flooding of creeks...streams...and ditches in the Horse Gulch Burn Scar. Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters...climb to safety. && LAT...LON 4666 11174 4668 11175 4671 11173 4673 11167 4671 11161 4669 11159 4665 11161 4666 11172 FLASH FLOOD...RADAR INDICATED EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR $$ RG