Author: Ben Castellani (Page 247 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.

DayCAST: Tue 07/03/18

July 3, 2018 / Ben Castellani

We have one more day in the 90's before cooler weather arrives tomorrow. The 500 mb vorticity map for today shows Colorado in between major weather players. A strong ridge is present across Pennsylvania, with multiple low pressures in Canada and near the Pacific Northwest. A little bit more moisture will be present in the mid-levels of the atmosphere today. …

This week in weather: July 2, 2018

July 2, 2018 / Ben Castellani

Welcome to the month of July! Read our forecast for the upcoming week, including details on the Fourth of July holiday’s chance for thunderstorms.

DayCAST: Thu 06/28/18

June 28, 2018 / Ben Castellani

Conditions are ripe for nearly all locations up and down the Front Range to set record high temperatures this afternoon... Today will be very similar to yesterday, with sunshine giving way to some clouds in the afternoon and evening. The bonus factor today will be west-southwesterly downslope flow pushing into the Metro area. This should help bump temperatures up a …

DayCAST: Wed 06/27/18

June 27, 2018 / Ben Castellani

Only slight changes to the forecast today compared to where we were yesterday. The 500 mb map below shows that high pressure remains parked across New Mexico. The changes come in the form of a shallow backdoor cold front which will be moving into the Metro area this morning, bringing more low-level moisture to the region. The dew point animation …

DayCAST: Tue 06/26/18

June 26, 2018 / Ben Castellani

The oven dial gets cranked up today across our region as a very warm airmass builds into Colorado from the Desert Southwest. The 500 mb map below shows the center of the high pressure near the Four Corners region this afternoon. The extent of the very warm air is highlighted in orange. The 700 mb temperature forecast from the GFS …

DayCAST: Thu 06/21/18

June 21, 2018 / Ben Castellani

Severe weather reports It's been a busy weather-week to say the least... There is usually only one or two days per year where a significant severe weather outbreak impacts the Metro area. It just so happens this year those two days occurred back-to-back! Shown below are all the severe weather reports from Monday this week. It was purely a damaging hail day, …

DayCAST: Wed 06/20/18

June 20, 2018 / Ben Castellani

Rain, hail, & tornadoes! Another, albeit quicker round of severe thunderstorms exploded across the Metro shortly after lunchtime Tuesday afternoon. The first storm to ignite moved across north Boulder, Gunbarrel, and Niwot, producing a hefty layer of hailstones, some of which reached 1.5" in diameter. All of that melting hail rapidly cooled the moistened air at ground-level, producing a dense …