Ostrzeżenia Firefly Mine, Utah

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20.07 4:32 PM 16:32 – 21.07 6:00 AM 06:00

Hydrologic Outlook issued July 20 at 10:32AM MDT by NWS Grand Junction CO ESFGJT Anomalous moisture has become established across portions of eastern Utah and western Colorado. Scattered thunderstorms capable of producing heavy rain are expected this afternoon and early evening. Rainfall rates of 1-2 inches per hour will be possible with the stronger storms. These rates could lead to flash flooding and debris flows especially over steep terrain and recent burn scars. Also, rain over the past several days has lead to saturated soils, which increase the chances for excessive runoff. As a reminder: Keep an eye on our forecasts through the end of the week and stay tuned for updated hydrology alerts if visiting or if you reside below vulnerable terrain to flash flooding and/or debris flows. Storms across the west develop quickly, leaving little room for lead time in flashy terrain.

National Weather Service

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21.07 2:45 AM 02:45 – 21.07 5:45 AM 05:45

477 WGUS55 KGJT 210346 FFWGJT COC077-210500- /O.EXT.KGJT.FF.W.0022.000000T0000Z-260721T0500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Grand Junction CO 946 PM MDT Mon Jul 20 2026 The National Weather Service in Grand Junction has extended the * Flash Flood Warning for... The Turner Gulch burn scar in... Southwestern Mesa County in west central Colorado... * Until 1100 PM MDT. * At 946 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Turner Gulch Burn Scar. Between 0.5 and 1 inch of rain has fallen. Flash flooding is ongoing or expected to begin shortly. Excessive rainfall over the burn scar will result in debris flows. The debris flow can consist of rock, mud, vegetation and other loose materials. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding in and around the Turner Gulch Burn Scar. SOURCE...Radar. IMPACT...Life threatening flash flooding of areas in and around the Turner Gulch Burn Scar. * Some locations that will experience flash flooding include... mainly rural areas of Southwestern Mesa County This includes the following streams and drainages... Bear Creek, Ute Creek, Maverick Canyon, Cow Creek, Gill Creek, West Creek, North Lobe Creek and Calamity Creek. 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 Turner 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. Move away from recently burned areas. Life-threatening flooding of creeks, roads and normally dry arroyos is likely. The heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain, especially in and around these areas. && LAT...LON 3876 10888 3878 10885 3875 10876 3876 10871 3876 10869 3875 10869 3875 10868 3874 10868 3874 10867 3870 10876 3868 10874 3867 10874 3865 10877 3871 10887 3874 10885 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ GJT

National Weather Service