Author: Ben Castellani (Page 192 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.

BoulderCAST Daily – Thu 03/26/20 | Partly cloudy and 60’s today, rain/snow tomorrow

Detailed Forecast Discussion: A storm system sits over California this morning and is set to move into Utah tonight and then across northern Colorado tomorrow.  For today, we're looking at another period of strong southwest flow aloft associated with the subtropical jet stream. Despite some embedded moisture, general downslope flow will allow for partly to mostly sunny skies east of …

BoulderCAST Daily – Wed 03/25/20 | Gusty, but warm

Detailed Forecast Discussion: The NAM-NEST 500mb height and vorticity animation below shows the evolving atmosphere from this morning into Friday morning. Notice how very little the black height lines change/move across Colorado during the entire animation. We're stuck in the same flow pattern today as we saw yesterday and what we will experience tomorrow. This is a generally dry southwest …

BoulderCAST Daily – Tue 03/24/20 | Spring is in the air

Detailed Forecast Discussion: A hardly noticeable shortwave ridge is passing across the region today which will facilitate quiet conditions when combined with an overall lack of moisture and no other significant weather nearby. Today's NAM model 500mb vorticity forecast map below shows the setup. A mild and borderline warm west-southwest flow into Colorado is clear. We'll see temperatures push the …

*Premium Storm Update* Thu 03/19/20 9:00AM

Good morning and happy first day of spring! Our storm looks impressive this morning on water vapor imagery from GOES-East (below). The center of the upper-level low is located in nearly the exact center of Colorado. It will be sliding east northeast into northern Kansas through the rest of the day. The water vapor animation below also gives us a …

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