WGUS55 KBOU 312137 FFWBOU COC013-010045- /O.NEW.KBOU.FF.W.0061.210731T2137Z-210801T0045Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Denver CO 337 PM MDT Sat Jul 31 2021 The National Weather Service in Denver has issued a * Flash Flood Warning for... North Central Boulder County in northeastern Colorado... * Until 645 PM MDT. * At 337 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 0.5 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches 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, gulches, roads, and poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jamestown. This includes the following streams and drainages... Little James Creek, South Saint Vrain Creek, North Saint Vrain Creek, James Creek, Middle Saint Vrain Creek, Dry Creek and Left Hand Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Heavy rainfall will cause flash flooding of creeks, streams, and ditches in the Calwood burn area. Rock slides or debris flows can also be expected. The main areas of concern are Heil Valley Ranch and Lefthand Creek just above US 36. && LAT...LON 4019 10539 4019 10523 4011 10527 4012 10541 4017 10540 FLASH FLOOD...RADAR INDICATED $$ RPK