Last updated October 15, 2021
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Boulder Floods 2013

United States

In 2013, persistent, heavy rains in the Colorado Front Range broke several rainfall records and led to the catastrophic Boulder floods. Climate change contributed to the volume of moisture in the atmosphere[1] and likely increased rainfall by 30 percent.[2]

Scientists say we should expect more extreme precipitation events like this one due to increases in ocean and air temperature that fuel storms with more water and energy.

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Colorado National Guardsmen respond to floods in Boulder County. Photo: Sgt. Joseph K. VonNida, Wikipedia
Greenhouse Gas Emissions
Global Warming
Air Mass Temperature Increase
Atmospheric Moisture Increase
Extreme Precipitation Increase
Runoff and Flood Risk Increase
Boulder Floods 2013