Author: Ben Castellani (Page 150 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 08/05/21 | Brace for hot & dry weather with intermittent thick smoke over the coming days

August 5, 2021 /

NDetailed Forecast Discussion: ot much to worry about today as Colorado resides between weather systems. As mentioned yesterday, the monsoon pattern has completely broken down and dried out for the time being. As you can see in the 500mb height animation below, there is a fairly active (for August) storm track developing across the far northern tier of the country …

BoulderCAST Daily – Wed 08/04/21 | Cloudy early, but quickly drying out today & for the long-term

August 4, 2021 /

ADetailed Forecast Discussion: vailable moisture is rapidly declining across the Front Range this morning. As seen in the water vapor animation below, the back edge of the monsoonal moisture plume is oriented north-south and is very well-defined. The drier air is just about to pass over the Continental Divide and then quickly this morning will be through the Boulder-Denver area …

July 2021 Weather Review: Boulder somehow squeaked out a wet month as the monsoon largely avoided the Denver area

August 3, 2021 /

During July 2021, the summer monsoon pattern tended to favor areas further west with persistent high pressure holding over Colorado. Despite this, with a little luck involved, Boulder managed to notch a Top 20 wettest July, while most of the Front Range was very dry. Other weather highlights during the month included persistent smoke from new fires burning in the Pacific Northwest, multiple bouts of triple-digit heat, highly localized flooding in portions of Boulder, and frequent mudslides across the Mountains which has left Interstate 70 indefinitely closed near Glenwood Springs. Here’s a quick and colorful recap of our weather during July and how it relates to climatology.

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BoulderCAST Daily – Tue 08/03/21 | The final day of the monsoon & flash flooding concerns (for now)

August 3, 2021 /

TDetailed Forecast Discussion: he main, but narrow plume of monsoon moisture is draped across Colorado right now with precipitable water values up over an inch in Boulder and Denver this morning. The moisture plume is noted in the current water vapor satellite imagery. Slow-moving showers and a few thunderstorms are already present in Mountains to the west this morning. They …

BoulderCAST Daily – Thu 07/29/21 | Two more hot days, but a cooler & wetter stretch is knocking on the door

July 29, 2021 /

DDetailed Forecast Discussion: enver set a new record high temperature yesterday as DIA briefly touched 100°F in the late afternoon. The map below shows approximate high temperatures on Wednesday. Boulder was notably cooler only reaching a high of 95°F officially. As expected, this was not a new record but was still very warm. Denver now has five 100-degree days this …

BoulderCAST Daily – Wed 07/28/21 | Near-record heat in the upper 90’s with no chance of rain

July 28, 2021 /

TDetailed Forecast Discussion: he center of the broad high pressure resides over eastern Nebraska and Kansas this morning as seen in the GOES-East water vapor animation below. Note the very dry air present over eastern Colorado which will facilitate another dry afternoon for the Denver Metro area. Some moisture is noted across far southwestern portions of the state and once …

BoulderCAST Daily – Tue 07/27/21 | Hot & dry weather continues under the dominance of high pressure

July 27, 2021 /

ADetailed Forecast Discussion: strong ridge of high pressure will continue its dominance today over northeast Colorado. The center of the high is located in portions of Nebraska, with the monsoonal moisture plume currently flowing into Arizona and Utah. The hot air associated with this high pressure is creating quite the smörgåsbord of heat-related weather advisories from Montana to the Gulf …

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