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Flash Flood — Phillips, CO

Aug 19, 2021

Severe thunderstorms produced intense winds and large hail across Adams, Broomfield, Douglas, Jefferson, Morgan, Weld and Phillips counties. The hail ranged in size from one to two inches in diameter. Three short-lived brief tornadoes touched down in Phillips County. One caused moderate damage, when it destroyed two outbuildings and rolled over a semi-trailer. Very heavy rainfall in southeast Phillips County, caused flash flooding the forced closures of US 6 east of Holyoke and several other

Source: NOAA National Weather Service Storm Events Database (event 981038). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Phillips, CO

This event is one of many recorded floods in Phillips County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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More Flood Stories

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Phillips, CO · Apr 27, 2021

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Phillips, CO · Jun 12, 2007

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Phillips, CO · Jun 11, 2010

A large complex of thunderstorms swept across Northeast Colorado producing very large damaging hail, intense thunderstorm winds as well as a couple of weak tornadoes. Large hail, from 1 to 3 inches in diameter, caused extensive damage to cropland, homes and vehicles.

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Larimer, CO · Jul 20, 2021

A deadly debris flow from the Cameron Peak burn area, struck Black Hollow Gulch west of Rustic on CO-14. The debris flow, estimated to be 5 to 8 feet deep, destroyed 6 homes and other structures. Four people were killed when their residence was swept away by the floodwaters.

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