553 first-hand accounts of flood events in Colorado, ranked by impact. Each is a NOAA-written narrative of the moment.
Flash flooding occurred on Tonahutu Creek. Trees, mud and debris shut down Grand Lake's hydro plant. Approximately 50 downed trees piled up at the plant's head gate and ash and mud filled the ditch leading to another gate. Another flash flood impacted CO-125.
Read the full account →Flash flooding occurred on Tonahutu Creek. Trees, mud and debris shut down Grand Lake's hydro plant. Approximately 50 downed trees piled up at the plant's head gate and ash and mud filled the ditch leading to another gate. Another flash flood impacted CO-125.
Read the full account →Flash flooding occurred on Tonahutu Creek. Trees, mud and debris shut down Grand Lake's hydro plant. Approximately 50 downed trees piled up at the plant's head gate and ash and mud filled the ditch leading to another gate. Another flash flood impacted CO-125.
Read the full account →Areal flooding developed along the Cache La Poudre and South Platte River Basins as a combination of heavy rainfall and spring runoff unundated the region. The Cache La Poudre reached flood stage from the 10th the the 14th.
Read the full account →Areal flooding developed along the Cache La Poudre and South Platte River Basins as a combination of heavy rainfall and spring runoff unundated the region. The Cache La Poudre reached flood stage from the 10th the the 14th.
Read the full account →Severe thunderstorms developed across portions of Adams, Elbert, and Lincoln counties. Hail from quarter to ping pong ball size was observed. Near Limon and Messex, the hail completely covered the roadways.
Read the full account →A deep southerly flow over Colorado, ahead of a near stationary low pressure system over the Great Basin, pumped copious amounts of monsoonal moisture into the area. In addition, a weak stationary front stretched along the Front Range Foothills and Palmer Divide.
Read the full account →Remnants from Tropical Storm Harold lifted across the Desert Southwest. This, combined with already abundant subtropical moisture, resulted in widespread showers and thunderstorms across western Colorado. Storms were slow moving and produced heavy rain.
Read the full account →Remnants from Tropical Storm Harold lifted across the Desert Southwest. This, combined with already abundant subtropical moisture, resulted in widespread showers and thunderstorms across western Colorado. Storms were slow moving and produced heavy rain.
Read the full account →Severe thunderstorms produced large hail across parts of Elbert and Lincoln counties, along with one brief tornado. The hail ranged from quarter to around tennis ball size. Some of the roadways were completely covered by several inches of hail accumulation.
Read the full account →A flash flood was observed along Cedar Creek to the confluence of the Big Thompson River and Highway 34. Debris accumulated behind a bridge along an access road to a neighborhood on Cedar Brook Lane. A significant debris flow continued down Cedar Creek to Cedar Lane.
Read the full account →Monsoon moisture advected north into the region. Residual moisture from previous days convection helped to prime the atmosphere which led to an uptick in shower and thunderstorm coverage across western Colorado.
Read the full account →Rainfall amounts of 6 to 13 inches from Wednesday night to Friday night caused fast rushing water and major flooding from the Fountain Creek watershed to the Arkansas River east of Pueblo.
Read the full account →Severe thunderstorms produced large hail and damaging wind across parts of Elbert, Logan, Weld and Washington counties. The hail ranged in size from quarter to golfball size. Intense outflow winds, associated with a wet microburst, damaged trees and crops in Washington County.
Read the full account →A fast-moving intense storm dropped 1/2 inch to 6/10 of an inch of rain in a 15-minute time frame across Waldo and Williams Canyons in the Waldo Canyon burn scar.
Read the full account →A severe thunderstorm produced a wind gust to 60 mph at Centennial Airport. A thunderstorm produced a flash flood in southern Jefferson and southwest Denver counties. The flooding was particularly bad on southbound I-25 near 6th Avenue.
Read the full account →Areal flooding developed along the Cache La Poudre and South Platte River Basins as a combination of heavy rainfall and spring runoff unundated the region. The Cache La Poudre reached flood stage from the 10th the the 14th.
Read the full account →Rainfall amounts of 6 to 13 inches from Wednesday night to Friday night caused fast rushing water and major flooding from the Fountain Creek watershed to the Arkansas River east of Pueblo.
Read the full account →Above normal temperatures accelerated snowmelt from a near-record snowpack. This resulted in high and fast flows on several rivers and drainages across Western Colorado.
Read the full account →Severe thunderstorms produced large hail and damaging wind across parts of Elbert, Logan, Weld and Washington counties. The hail ranged in size from quarter to golfball size. Intense outflow winds, associated with a wet microburst, damaged trees and crops in Washington County.
Read the full account →Remnants from Tropical Storm Harold lifted across the Desert Southwest. This, combined with already abundant subtropical moisture, resulted in widespread showers and thunderstorms across western Colorado. Storms were slow moving and produced heavy rain.
Read the full account →Strong instability and adequate subtropical moisture from the North American Monsoon led to training thunderstorms which developed across western Colorado.
Read the full account →Severe thunderstorms in the Denver Metropolitan area produced very heavy rain, large hail and damaging winds. The strong winds toppled a few trees and the heavy rain caused street flooding and minor flash flooding.
Read the full account →Above normal temperatures accelerated snowmelt from a near-record snowpack. This resulted in high and fast flows on several rivers and drainages across Western Colorado.
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