Category: Verification (Page 3 of 48)

These posts take a look back at recent weather events, like snow storms or severe weather outbreaks, and evaluate how the forecast played out. We evaluate how well the models predicted what actually occurred, and offer insight into what can be learned and applied moving forward.

Front Range Snowfall Totals: January 4-5, 2025

The entire Front Range woke up to picturesque conditions today on Sunday as overnight light snow and freezing fog coated nearly every surface in a dusting of ice crystals — turning local communities into unique snow globes. We review the snow totals from the wintry event, one which produced at most a dusting in the Denver Metro area, but up to several inches in the Mountains and areas to the east.

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Winter Storm Recap: The first “Rainy Christmas” in Boulder since 1942, but the Foothills got blanketed by wet snow!

Yesterday on Christmas Day, a deluge of rain dumped on the western Denver Metro area during the afternoon and evening, but amazingly not a single snowflake fell across most of the lower elevations as temperatures remained several degrees too warm for frozen precipitation. This led to the first “Rainy Christmas” that most of us have ever experienced. As expected, a white Christmas was enjoyed by those in the higher terrain where temperatures were colder. We recap the holiday raindrops and snowflakes, including a look at just how rare Christmas rain really is and if it will be the new normal in a warming climate.

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October 2024 Graphical Weather Review: Wrapping up the driest May to October period ever recorded in Boulder!

October was yet another exceptionally warm and dry month in the Front Range, with most areas landing more than six degrees above average while receiving very little if any precipitation. The period of May to October only produced 4.64″ of precipitation in Boulder, the driest such stretch in recorded history. It’s no surprise that drought has further expanded across the region. In contrast to our boring weather, space-related activity was booming in October with multiple nights of auroras lighting up Colorado’s skies and a multi-week comet display. Here’s a quick and colorful graphical recap of our weather during October and how it relates to climatology.

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Winter Storm Recap: Impressive week-long snow & water totals will ease the Front Range drought

The well-advertised late-week winter storm delivered widespread wet snow to the entire Denver Metro area and nearby Foothills Thursday into Saturday, with some rain mixing in at times across the warmer northern tier. We review the soupy snowfall totals from this final bout of winter weather that put a bow on the lengthy cold and snowy week in the Front Range. We also discuss the shift back to sunny and dry conditions for the upcoming week.

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