Author: Ben Castellani (Page 278 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 08/08/17

August 8, 2017 / Ben Castellani

Chilly Monday! Quite an impressive cold front and upslope precipitation event yesterday! Boulder's official high was 69 degrees. The way records are kept, this temperature actually occurred late Sunday afternoon. The daytime high at BoulderCAST station was just a hair shy of 60 degrees. Brrr! Light rain and fog persisted through much of the day. Rainfall totals for Boulder County …

DayCAST: Thu 08/03/17

August 3, 2017 / Ben Castellani

Hints of autumn will be in the air today following the passage of an unseasonably strong cold front last night. Upslope has taken over and clouds are socked in across the region this morning (see the 700mb relative humidity forecast map below). We expect the low clouds to dissipate later this morning, with partly to mostly cloudy skies remaining. The upslope …

DayCAST: Wed 08/02/17

August 2, 2017 / Ben Castellani

We'll have to endure one more hot day before the bottom falls out tonight on the backside of a cold front. Look for temperatures today to push into the upper 80's with increasing clouds and late afternoon and evening thunderstorms. The cooler air looks to arrive after sunset from the northeast. Showers and a few storms will linger through the …

Rain overdue? A cool and soggy outlook for the month of August

August 1, 2017 / Ben Castellani

It’s hard to believe that August is now upon us! Summer is almost half over. The month of July produced below normal precipitation and had a temperature nearly two degrees above average in Boulder. Should we expect more of the same in August? Read on as we examine Boulder’s climatology and consider the current state of the atmosphere to give our outlook for the next month.

DayCAST: Tue 08/01/17

August 1, 2017 / Ben Castellani

Dry air has taken over the state through the depth of the entire atmosphere. Below on the left is today's precipitable water anomaly map. Very dry air is evident across the entire state. The deepest monsoon moisture is suppressed to our south in Arizona and New Mexico. The figure on the right shows surface dew points for this afternoon. Can …

This week in weather: July 31, 2017

July 31, 2017 / Ben Castellani

As we close out the month of July and move into the fourth week of monsoon season, somewhat drier air will take hold across Colorado and make for less storm activity overall this week. However, a significant cool-down is likely towards the latter part of the week ahead. Read on for details.

DayCAST: Sat 07/29/17

July 29, 2017 / Ben Castellani

It's going to be a WET weekend...For today, expect patchy morning fog and showers with overcast skies remaining the rest of the day. Storm coverage will expand through the morning and afternoon to encompass much of the Metro area. Slow moving storms means that the threat of isolated flooding will once again be a concern today. Rainfall in excess of 1" …