Author: Ben Castellani (Page 72 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.

Premium BoulderCAST Daily – Thu 03/07/24 | Much colder today with snow developing this evening, but there are a few tweaks to expected snowfall amounts

March 7, 2024 /

Over the last several model runs, we've seen a concerning shift in the way a line of convergence is handled well east of the Front Range today through this evening. Heavy snowfall, up to 10 inches worth, is now expected to fall across the far northeast corner of the state. This is in stark contrast to what models were showing …

Winter Weather Update: A slow-moving, upslope-infused winter storm arrives late Thursday with several inches of snow up for grabs (Updated)

March 6, 2024 /

After a long, quiet stretch following last week’s snow squall, winter weather will return to the Front Range as a slow-moving but ultimately weak storm system impacts the area to end the work week. We discuss the long-duration of weak upslope about to unfold, the potential snowfall amounts across the area, and when travel will become slick.

Update (Thursday 3/7/24 7:00AM): We’ve now concerned that heavy snow the far eastern areas of Colorado on Thursday will reduce the amount of upslope/moisture that make it back westward into the Front Range. We’ve seen models trend downward in snow amounts slightly for our entire area, especially east of I-25. Thus, we’ve scaled back snow amounts slightly for the region. Please check our updated snowfall map, model forecast graphics, and storm impact timeline throughout this post. We talk about this last-minute shift and much more in Thursday morning’s Premium discussion HERE. 

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Premium BoulderCAST Daily – Wed 03/06/24 | Pushing towards 60 degrees today, but uncertainty abounds for potential heavy snow arriving late Thursday!

March 6, 2024 /

Relatively benign west-southwest flow remains draped across Colorado today as we sit between several broader storm systems --- a cold trough sliding east across southern portions of Canada and the subtropical jet stream to our south in Arizona and New Mexico. The real system to watch is a weak low pressure coming ashore in California right now --- that one …

Premium BoulderCAST Daily – Tue 03/05/24 | Increasing clouds with a stray light rain shower possible late in the day

March 5, 2024 /

For the most part things will be rather quiet across the Denver Metro area the next two days, but not completely quiet. The NAM 500mb vorticity forecast animation below shows flattened west-southwest flow across Colorado, with more pronounced troughs over the Pacific Northwest and moving into California. Despite this appearance, there is a very subtle shortwave expected to pass across …

Premium This Weekend in Colorado Weather: Three warm & windy days ahead, but we turn cooler & unsettled by Sunday

February 29, 2024 /

The next several days will be gorgeous across Front Range Colorado as a brief ridge sits over the area and we await the arrival of the next weather system late in the upcoming weekend. The models have shifted over the last couple days, now slowing down and keeping the approaching trough mostly north of Colorado, with only a glancing blow …

Premium BoulderCAST Daily – Wed 02/28/24 | Dry & mostly sunny the rest of the week with temperatures on the rise

February 28, 2024 /

Following yesterday's cold and snow, all of the exciting weather for the week is now behind us. There's nothing but sunshine and moderating temperatures in the pipeline across the Front Range through Saturday. The Pacific trough has exited our area to the east with drier air and clear skies sweeping in from the northwest overnight. Temperatures have dropped into the …

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