Author: Ben Castellani (Page 255 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 03/27/18

March 27, 2018 / Ben Castellani

With the spring snow now behind us, Tuesday will be quiet with mostly sunny skies. The wet snow will be melting quickly thanks to the high late-March sun angle and temperatures warming up into the 40's. Don't get too used to the lull in weather... Another weak wave will be dropping out of Canada for tomorrow embedded in the northwest flow. …

DayCAST: Mon 03/26/18

March 26, 2018 / Ben Castellani

PREMIUM STORM UPDATE: 7:00 AM Monday March 26 No major changes are needed to our forecast update from yesterday. The Front Range is in store for a wet and eventually snowy evening tonight... The models overall have remained consistent with the position of this storm since last Thursday. Looking at satellite imagery, it is difficult to pick-up the spin from the upper-low …

A couple inches of wet snow possible Monday evening

March 25, 2018 / Ben Castellani

Despite the warm weather of late, snow is once again headed to our region Monday evening and night. We provide details on the timing and potential snowfall amounts for this quick-moving spring storm.

Premium Storm Update (Mon Mar 26 at 7:00 AM) Minor northward adjustments for tonight’s rain/snow: READ NOW

DayCAST: Sat 03/24/18

March 24, 2018 / Ben Castellani

The atmospheric river event is now over for the western portion of the United States. The plume of moisture has dissipated and retreated southward into western Mexico. Precipitation totals in California were indeed impressive. The map below show that the higher terrain largely saw more than 5", with the tallest peaks of the Sierras reporting 10" of precipitation (10+ feet of snow!). …

Forecasting 101: What are snow-to-liquid ratios and why do we care?

March 23, 2018 / Ben Castellani

We often include at least some discussion in our wintry forecasts about snow-to-liquid ratios. In this post, we explain what they are, why they matter, and examine the historical snow ratio record for Front Range Colorado.

Atmospheric river currently besieging California, bringing snow to Colorado for Friday

March 22, 2018 / Ben Castellani

As we mentioned in our weekly outlook, a true atmospheric river event is underway, pumping deep tropical moisture into the southwestern United States right now! The moisture influx will mainly be impacting California and Nevada, but Colorado won’t escape totally unscathed. Plus we take a look ahead to a soggy/snowy forecast for early next week.

DayCAST: Thu 03/22/18

March 22, 2018 / Ben Castellani

Another pleasant day is on-tap across the region with southwest flow bringing in warmer air to the southern Rockies. The 800 mb temperature map below for this evening shows the tongue of warmth pushing into Colorado. Unseasonably high moisture content in the flow will translate into lots of cloud cover overhead today. Despite this, we're not expecting any precipitation and …