553 first-hand accounts of flood events in Colorado, ranked by impact. Each is a NOAA-written narrative of the moment.
Severe thunderstorms produced heavy rain, large hail and damaging wind across parts of Boulder, Denver, Elbert, Larimer and Weld counties. One tornado touched down briefly near Carr, but no damage was observed.
Read the full account →Anomalously deep moisture was present across southeast Utah and southwest Colorado on the afternoon of June 4th. Enough sunshine had gotten through during the morning hours to create afternoon instability of 500-1000 J/Kg, more than enough to produce some strong storms.
Read the full account →The period between the 11th and 13th of September had a relatively unique meteorological setup for western Colorado and eastern Utah. A potent closed low was located over Southern California, and a ridge of high pressure was located to our southeast, directing a rich plume of…
Read the full account →Torrential rainfall, up to 2.5 inches in 20 minutes, produced flash flooding in and around the Denver area. The heavy rainfall flooded the underpass at 38th and Blake, as well as Interstate 70, from Brighton Blvd to York St.
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 →Long duration severe weather event across the northeast plains, and most of the Denver metropolitan area beginning during the early afternoon hours. Scores of tornadoes occurred across Washington and Logan counties.
Read the full account →On September 4th, precipitable water values increased to above normal values, with the 18z Grand Junction sounding showing 0.69 inches of precipitable water.
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 →Very heavy rain occurred across some areas of northeast Colorado from June 11th until the early hours of June 12th with flash flooding in some areas. The worst areas were south and southeast of Fort Collins towards Timnath and Windsor and in the Milliken area.
Read the full account →Long duration severe weather event across the northeast plains, and most of the Denver metropolitan area beginning during the early afternoon hours. Scores of tornadoes occurred across Washington and Logan counties.
Read the full account →Very heavy rain occurred across some areas of northeast Colorado from June 11th until the early hours of June 12th with flash flooding in some areas. The worst areas were south and southeast of Fort Collins towards Timnath and Windsor and in the Milliken area.
Read the full account →Very heavy rain occurred across some areas of northeast Colorado from June 11th until the early hours of June 12th with flash flooding in some areas. The worst areas were south and southeast of Fort Collins towards Timnath and Windsor and in the Milliken area.
Read the full account →Very heavy rain occurred across some areas of northeast Colorado from June 11th until the early hours of June 12th with flash flooding in some areas. The worst areas were south and southeast of Fort Collins towards Timnath and Windsor and in the Milliken area.
Read the full account →Severe thunderstorms produced large hail, from penny to tennis ball size across parts of Jefferson, Adams, Arapahoe, Denver and Washington counties. The hail along with heavy rain caused flooding and flash flooding problems.
Read the full account →A slow moving storm system produced flooding and flash flooding across the urban corridor and northeast plains, with heavy snowfall in the higher mountains of the Front Range.
Read the full account →Long duration severe weather event across the northeast plains, and most of the Denver metropolitan area beginning during the early afternoon hours. Scores of tornadoes occurred across Washington and Logan counties.
Read the full account →Long duration severe weather event across the northeast plains, and most of the Denver metropolitan area beginning during the early afternoon hours. Scores of tornadoes occurred across Washington and Logan counties.
Read the full account →In the early afternoon of the 16th, a system of thunderstorms formed in east central Colorado and progressed eastward. The strongest cells of this system remained south of I-70 through Colorado. Up to 1.75 inch diameter hail was reported from this system.
Read the full account →A storm system that moved through the area produced large hail, up to golfball size, and street flooding in parts of the metro area then spread east into the plains.
Read the full account →A slow moving storm system produced flooding and flash flooding across the urban corridor and northeast plains, with heavy snowfall in the higher mountains of the Front Range.
Read the full account →Severe thunderstorms produced hail up to half dollar size and wind gusts around 60 mph across parts of Jefferson, Morgan. Washington and Weld counties. In addition, localized flash flooding occurred in the the Cameron Peak burn scar.
Read the full account →Severe thunderstorms produced hail up to half dollar size and wind gusts around 60 mph across parts of Jefferson, Morgan. Washington and Weld counties. In addition, localized flash flooding occurred in the the Cameron Peak burn scar.
Read the full account →A severe thunderstorm produced hail up to quarter size in Arapahoe, Denver and Jefferson counties. Heavy rain and flash flooding, close to 2 inches in one hour, also accompanied the nearly stationary storms.
Read the full account →The period between the 11th and 13th of September had a relatively unique meteorological setup for western Colorado and eastern Utah. A potent closed low was located over Southern California, and a ridge of high pressure was located to our southeast, directing a rich plume of…
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