WGUS55 KBOU 212116 FFWBOU COC049-069-220015- /O.NEW.KBOU.FF.W.0032.210721T2116Z-210722T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Denver CO 316 PM MDT Wed Jul 21 2021 The National Weather Service in Denver has issued a * Flash Flood Warning for... Northeastern Grand County in north central Colorado... Southwestern Larimer County in north central Colorado... * Until 615 PM MDT. * At 316 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.4 and 0.8 inches of rain have fallen. 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... Estes Park, Bear Lake, Grand Lake and Deer Ridge. This includes the following streams and drainages... Trout Creek, Columbine Creek, Cabin Creek, Ranger Creek, Onahu Creek, Boulder Brook, Buffalo Creek, Round Creek, Willow Creek, Drowsy Water Creek, Alpine Brook, Trail Creek, Corral Creek, Jack Creek, Bighorn Creek, North Saint Vrain Creek, East Fork Troublesome Creek, Middle Fork Creek, Illinois River, East Branch Willow Creek, Roaring Fork, Colorado River, Tonahutu Creek, Hayden Creek, Gold Run, Kinney Creek, Mc Queary Creek, Soda Creek, Icy Brook, East Inlet, Big Thompson River, Echo Creek, Fraser River, Wheatley Creek, Inn Brook, Pole Creek, Smith Creek, Wind River, Monument Creek, Troublesome Creek, North Fork Cabin Creek, Spruce Creek, Fall River, Ethel Creek, Aspen Brook, Glacier Creek and North Inlet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to higher ground now. Act quickly to protect your life. Heavy Rainfall will cause flash flooding of small creeks, streams, and ditches in the East Troublesome burn area. Some areas affected include the North Inlet in the town of Grand Lake, the burned areas on the west side of Rocky Mountain National Park, the Colorado River above Shadow Mountain Reservoir, the Willow Creek valley along Highway 125, Drowsy Water Creek, and the East Troublesome Creek valley. Rock slides or debris flows can also be expected across rural roads. Heavy Rainfall will cause flash flooding of small creeks, streams, and ditches in the East Troublesome burn area. Some areas affected include the Spruce, Fern, and Mill Creek basins in Rocky Mountain National Park. Rising water and debris may reach Moraine Park. && LAT...LON 4039 10594 4036 10575 4042 10557 4026 10556 4026 10565 4025 10564 4023 10578 4010 10591 4010 10616 4017 10627 4026 10628 4033 10622 4033 10619 4034 10617 4033 10614 4035 10610 4035 10608 4037 10602 4035 10596 4037 10594 FLASH FLOOD...RADAR INDICATED $$ RJK