Cory Reppenhagen,

Cory Reppenhagen

Arvada, CO, United States

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Past articles by Cory:

Jupiter probe built in Colorado still works after 2 years

It's a pleasant surprise that the Juno spacecraft built in Colorado still works, and they plan to give it new assignments until it dies, said NASA scientists said. → Read More

Hydrologists hand-measure snowpack in the Colorado mountains

The Natural Resources Conservation Service uses automated data and hand measurement of snowpack to issue their preseason runoff forecast in March. → Read More

'Atmospheric rivers' leave Front Range dry

Atmospheric rivers have been slamming the California mountains with big snow, but they cause dry conditions on the Front Range of Colorado. → Read More

The dangers of clear-air turbulence

Some turbulence can be forecast or detected before it affects airplanes. Clear-air turbulence can catch pilots off guard. → Read More

NOAA forecast misses as Denver records 14th-coldest winter in history

Winter finishes up cold and snowy for most of Colorado. Spring recordkeeping starts on March 1, with more snow and cold in the forecast. → Read More

Aurora borealis spotted in northern Colorado

Photographers northern Colorado Denver Fort Collins capture images aurora borealis early morning Monday February 27 2023. Photography how where to see tips cameras. → Read More

Why there are strange beams of light reaching into the Colorado sky

Ice pillars responsible for the lines of light spotted into the subzero Colorado air Thursday Friday reflections of light off ice crystals Denver Franktown science. → Read More

How this big snow season fits into the ongoing 22-year megadrought

After 22 consecutive years of drought in the Colorado River basin, is it time to redefine drought as normal? → Read More

After slowest snowmelt in 31 years, this Denver snow will melt rapidly

It was 1992 the last time it took this long to melt snow in Denver. It won't happen with this new snow. → Read More

Fossils in Colorado show rate of climate change over Earth's history

Paleontologists can trace climate change through Earth's history by analyzing fossils in Colorado. But they say it's never changed as fast as it is today. → Read More

There's enough water in this year's snow to completely refill Lake Powell. Here's why that won't happen

According to the Upper Colorado River Commission (UCRC), it would take 16.4 million acre-feet of water to fill Lake Powell back up to where it was in 2000. → Read More

Comparing this year's snow to the last time Colorado was drought-free

So far, Colorado has more snow than 2019 -- the last time the state was 100% drought-free. → Read More

Six more weeks of winter in Colorado is a good bet. Except for spring of 2017

It always snows in Denver after Groundhog Day, but winter practically ended on Feb. 2 in 2017. → Read More

Six more weeks of winter in Colorado is a good bet, except 2017

It always snows in Denver after Groundhog Day, but winter practically ended on Feb. 2 in 2017. → Read More

How will Colorado's cold winter affect bark beetles?

Bark beetles can withstand the cold temperatures this winter, but big snowmelt could help strengthen the trees natural defenses. → Read More

There's snow in Lakewood hasn't melted in more than 400,000 years

Ice core samples from Greenland and Antarctica are stored at the National Science Foundation Ice Core Facility at the Denver Federal Center in Lakewood. → Read More

This winter snow cover in Colorado helps reveal "snow holes"

Almost all of Colorado is covered in snow, but there are a few brown spots remaining. → Read More

This town could be Colorado's snowiest town 4 years in a row

Winter Park and Steamboat Springs are neck-and-neck in snow totals this season. Winter Park has won the title as snowiest in Colorado three years in a row. → Read More

Colorado snowpack calculated by 115 mountain weather stations

Snowpack is actually a measure of the water that will be available when the snow melts. → Read More

The snowiest months in the Denver metro are still ahead

Denver and some other Front Range locations already have above-average snowfall going into the three snowiest months of the season: February, March and April. → Read More