⦁❶⦁ Tuesday was an active severe weather day across Colorado with widespread very large hail, 75+ MPH wind gusts, and numerous tornadoes reported

⦁❷⦁ Today will be mostly sunny and seasonal with highs around 80 degrees

⦁❸⦁ A heatwave is taking shape tomorrow and will last into early next week with daytime highs well into the 90s expected


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esterday was filled with fireworks across eastern Colorado — the kind set off by Mother Nature! As shown in the combo radar/satellite animation below from Tuesday evening, there were at least 8 discrete and long-lasting supercells raging across the eastern half of our state at the same time.

Luckily, as we anticipated, all the action missed the Denver Metro area. Out east there was hail up to baseballs in size, 75+ MPH wind gusts, and numerous tornadoes were reported. Tuesday was one of the most active severe weather days in a long time for the Centennial State. The storm reports statewide are shown below.

A cold front moved through last evening around 8:30 PM from the northeast. It briefly produced a few sprinkles across the area along with a layer of low clouds — those have mostly dissipated already though. The radar animation below shows the front approaching the Boulder-Denver area!

As a result of the front sagging southward, today will be slightly cooler but also drier as all of the lift has vacated the area. Look for highs around 80 degrees with mostly sunny skies.

Tomorrow the heat dial gets turned up as high pressure starts to encroach into the Front Range from the west. We’ll get close to 90 degrees with isolated storms returning into the picture on Thursday. This will only be a sampler of the toasty weather to come, though. The center of high pressure is projected to intensify across New Mexico and Arizona during the upcoming weekend. This will set the stage for a lengthy period of hot weather — our first true heatwave of 2022!

The GFS ensembles have highs in the Denver Metro area generally reaching the mid to even upper 90s Saturday through Monday, with some signs that the 90s will stick around well into next week. It is a good idea to verify your cooling solution (air conditioning or swamp cooler) is functional ASAP before our temperatures really start to take off in the coming days….

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Ben Castellani

Ben grew up in southwestern Pennsylvania and holds both a bachelor's and a master's degree in Meteorology, the latter being from CU Boulder. His hometown received nearly three feet of snow from the Storm of the Century back in March of 1993, sparking his initial interest in impactful weather. Ben currently works on remote sensing and data analysis software at L3Harris Technologies in Boulder.

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