Author: Ben Castellani (Page 96 of 358)

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 NV5 Geospatial Software in Boulder.

This Week in Colorado Weather: May 8, 2023

May 8, 2023 /

After a few warm and quiet days, big changes arrive midweek as a southern-track storm system targets the Front Range. Initially we’ll be in the warm and unstable sector with the first severe weather outbreak of 2023 for Colorado taking shape on Wednesday. By late week, the main storm system will slowly move across the state inducing a prolonged period of upslope and soggy conditions across our area. What type of severe weather should we expect on Wednesday and how much rain (and snow) will fall this week? Let’s take a look.

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BoulderCAST Daily – Wed 05/03/23 | Mostly dry as we approach 80 degrees, but tomorrow will be a wetter day

May 3, 2023 /

Today will be more of the same across Colorado thanks to the stagnant blocking pattern across the nation right now. The mid-level height patterns from yesterday (left) and today (right) are shown below. Notice any differences? There are few if any as this truly is a stalled-out pattern in the US right now! A closer inspection of just today shows …

BoulderCAST Daily – Tue 05/02/23 | An uptick in storms today, most numerous west of Interstate 25

May 2, 2023 /

The pesky omega block will continue across the nation through most of the week! Why is is called an omega block you ask? Well, omega comes from the height (pressure) pattern it entails which looks like to the Greek letter "omega", and block because the highly meridional nature of this pattern tends to block up and stagnate weather systems in …

Winter Weather Update: Wind-blown rain changing to snow Thursday night

April 27, 2023 /

Another wave of precipitation will accompany a cold front racing into the Front Range from the north Thursday night with rain changing to snow across the Denver Metro area. This precipitation will be joined by strong dynamics and northerly flow, making for a gusty and unsettled evening ahead, with some grassy accumulations possible across the lower elevations as snow mixes in late for some. This storm will largely favor areas south of Interstate 70, with the northern Front Range including Boulder not expected to see much. Let’s take a look.

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BoulderCAST Daily – Wed 04/26/23 | Morning drizzle will give way to a cool but mostly sunny afternoon

April 26, 2023 /

After sweeping in from the northwest on Tuesday, the closed-low pressure center sits across north-central New Mexico this morning. Northeast upslope flow is still present over the Front Range keeping things rather gloomy out there. The low will continue to track east and southeast through the day reaching Oklahoma tonight. This will leave behind cool but drier northwest flow across …

Winter Weather Update: Heavy snow on-track for the Foothills, mostly rain with some thunder for the lower elevations

April 25, 2023 /

A powerful low pressure system remains on-track to impact the Front Range Tuesday afternoon into Wednesday with several hours of nearly perfect upslope in the works. While there has been a slight southward shift in the storm’s track, we still anticipate widespread soaking rain across the lower elevations and heavy wet snow in the Foothills, including some thunder thrown into the mix. Travel will become extremely difficult Tuesday evening west of town with snowfall rates of 1 to 3″ per hour. Finally, while this event will be almost exclusively just cold rain across the Plains, we may see a little wet snow in the far western and southern Metro area. Read on for all the details.

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