Category: Verification (Page 5 of 46)

These posts take a look back at recent weather events, like snow storms or severe weather outbreaks, and evaluate how the forecast played out. We evaluate how well the models predicted what actually occurred, and offer insight into what can be learned and applied moving forward.

Winter Storm Recap: The system that buried the Front Range in cement was Boulder’s wettest February storm on record

February 5, 2024 / BoulderCAST Team

Well, our snowfall forecast for the sloppy weekend storm ended up being a tad off in many areas. Hopefully our in-depth discussions in the days leading up to the event highlighted that the exact outcome of this warmer-than-usual storm was highly uncertain. We first review the record-breaking precipitation and snowfall totals across the Front Range. Then we discuss what went wrong with the forecast and dive into the finer details of this implausible moisture-infused winter storm.

This Week in Colorado Weather: January 16, 2024

January 16, 2024 / Ben Castellani

With the Great Arctic Blast of 2024 starting to wrap up across Front Range Colorado, the weather week ahead will be comparatively less eventful. However, there are multiple disturbances lined up in the coming days which will bring waves of moderate to heavy snow in the Mountains as well as a small chance of wintry precipitation to the Metro area. A thawing trend will ensue in the coming days, but temperatures won’t get back above normal until late in the weekend or early next week.

Arctic Blast Sunday PM Update: Widespread snow & even colder temperatures move in Monday

January 14, 2024 / BoulderCAST Team

Just when you might have thought things were turning warmer, a secondary Arctic front and more snow will arrive to the Front Range on Monday. Additional snow accumulations and slick travel are expected during the day with the coldest temperatures we’ve seen yet developing Monday night. Let’s take a look at the latest as the ongoing Arctic blast delivers one final blow on MLK Day!

Arctic Blast Saturday Update: Waking up to a thin blanket of snow and temperatures in the negative teens, but the worst still lies ahead!

January 13, 2024 / Ben Castellani

The Arctic air has arrived in the Front Range and it’s here to stay for several more days. We take a quick look at the overnight snow totals, the record low temperatures set already Saturday morning, and update you on the forecast for the rest of the weekend. More accumulating snow and even colder temperatures are on the way!

This Week in Colorado Weather: January 8, 2024

January 8, 2024 / Andy

Breezy conditions and chilly temperatures will kick off the week behind a departing winter storm which brought a thin blanket of snow to the Metro area last night. Highs below freezing on Monday will trend slightly warmer in the coming days, but with gusty winds remaining. The tail-end of the week will turn more active with a few chances at light snowfall. There are also signs in the extended that an Arctic airmass will ooze into the region during the upcoming weekend turning things even colder for us. Read on for more details

December 2023 Graphical Weather Review: The most abnormally warm we’ve been since the lead up to the Marshall Fire

January 4, 2024 / BoulderCAST Team

December 2023 was yet another warm month in Boulder, the same fate which has befallen four out of the last five months. Despite the lack of appreciable snow events, precipitation ended just a hair above normal for the month since December is typically one of our driest months of the year. Here’s a quick and colorful graphical recap of our weather during December and how it relates to climatology.

This Week in Colorado Weather: December 25, 2023

December 25, 2023 / Andy

The Christmas holiday week starts off on the cold to chilly side as an area of low pressure continues to impact us from the central United States. There will be another chance of snow late tonight on Christmas into Tuesday, but only light accumulations are expected south and southeast of Denver. However, blizzard conditions are set to unfold across far eastern Colorado with travel eastward becoming impossible at times Monday night into Wednesday. A trend towards drier and warmer weather is in-store for the latter part of the week and to close out 2023. Read on for the latest details.