Category: Verification (Page 31 of 53)

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.

This week in Colorado weather: November 12, 2019

November 12, 2019 / Ben Castellani

We hope you enjoyed the snowy and cold Veterans Day holiday! We first review the totals from the light snow event yesterday, then take a look at the weather transpiring the rest of the week. Things get interesting just in time for the weekend!

Where did this week’s Arctic airmass come from? Why the Arctic, of course!

November 1, 2019 / Ben Castellani

Using a technique called reverse trajectory analysis, we step back in time to see where the bitter cold air this week originated from. We also explain why we believe the odds of another Arctic intrusion into the United States are elevated during the coming week.

Early-season Arctic outbreak produced a foot of snow and historic cold

October 30, 2019 / BoulderCAST Team

From start to finish, the early season Arctic airmass which overtook eastern Colorado this week has been truly remarkable! The prolonged period of fluffy snow and historically cold temperatures may not be matched the rest of this winter. We take a look back at the wild ride Mother Nature took us on over the last five days and check the snow totals from the second snow event wrapping up Wednesday morning.

Winter Storm Update: The second wave of snow begins Tuesday morning, uncertainty lingers (Updated)

October 28, 2019 / BoulderCAST Team

There’s no rest for snow-lovers these days! Just as one snowstorm comes to an end, another one is already taking shape to impact the Front Range Tuesday into Wednesday. We take a look at snow totals from the first wave and discuss the evolving forecast for part deux!

UPDATE (7:00 PM Mon 10/28/19): Added our official snowfall forecast map to the end of the post!

PREMIUM UPDATE (7:00 AM Tue 10/29/19): We do a quick check on how the forecast looks this morning as snow begins to fall and bitter cold temperatures push in from the north. Click HERE to read.

Storm Recap: A sizable gradient in snow totals Wednesday night, more snow this weekend

October 24, 2019 / BoulderCAST Team

As advertised, Wednesday night’s winter storm was a quick-mover! From the first snowflakes to the last ones, only about eight hours elapsed as the tightly-wound storm passed across Colorado. What it lacked for in duration, it made up for in intensity…in some areas. We take a look at the highly-variable snow totals from across the Boulder and Denver area and provide a brief post-mortem on the now-departing storm system. Continue reading

Storm Recap: Potent storm delivers promised first snow and frigid temperatures

October 11, 2019 / BoulderCAST Team

Right on schedule, a series of heavy snow bands progressed across the Front Range Thursday morning producing the season’s first snow for everyone alongside record cold temperatures. We take a look at snow totals and the impressive temperature records from across the area. We also announce the winners of our 2019 First Snow Contest.

“First Snow” Contest entries are in, but no white stuff on the horizon…

October 1, 2019 / BoulderCAST Team

Thanks to everyone that entered our 2019 First Snow Contest. We briefly review the entries, which actually favor a later date than Boulder’s climatology would suggest. Contest prizes and recognition will be awarded in the days following our first dumping of snow, BIG or SMALL!

This week in Colorado weather: September 30, 2019

September 30, 2019 / Ben Castellani

The week begins warm and sunny, but don’t be fooled as an autumn cold front is looming. Our coldest day in more than four months is developing for Tuesday alongside low clouds and drizzle. However, the end of the week will see above normal temperatures return.