Category: Verification (Page 6 of 45)

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.

Premium This Weekend in Colorado Weather: A toasty Labor Day weekend lies ahead, but things should cool off by Monday

August 31, 2023 / Ben Castellani

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July 2023 Graphical Weather Review: More severe storms, monsoon season began on schedule and the heat of summer finally arrived!

August 2, 2023 / BoulderCAST Team

Temperatures and precipitation ended up about as close to normal as possible for July in Boulder. The month began active with numerous severe weather outbreaks, some of which produced landspout tornadoes in parts of Denver. The last few weeks turned up the heat with a total of fifteen 90-degree days during the month. Here’s a quick and colorful graphical recap of our weather during July and how it relates to climatology.

June 2023 Graphical Weather Review: The 4th wettest June all-time kept us green, but we could have done without the onslaught of severe weather!

July 5, 2023 / Ben Castellani

June 2023 dropped more than 5″ of rain on Boulder for the second straight month, concluding as the 4th wettest June since the late 1800s. Temperatures ended up nearly 4°F below normal as well, including a monthly minimum temperature of 42°F which occurred in the middle of the afternoon on June 12th as several inches of small hailstones lay melting on the ground. Other Front Range headlines in June included minimal Canadian wildfire smoke, the Highlands Ranch EF1 tornado, and the pummeling of giant hail at Red Rocks. Here’s a quick and colorful graphical recap of our weather during June and how it relates to climatology.

Storm Recap: Plowable hail, tornadoes, Mountain snow, flooding, and the biggest deluge of rain since the 2013 Flood

May 12, 2023 / BoulderCAST Team

This was undoubtedly a wild week in Front Range weather — but one which resulted in multiple good outcomes. The extreme severe weather outbreak planned for midweek got partially busted by low clouds and fog which may have ultimately saved it from becoming the costliest hailstorm in state history. Further, the deluge of rain that dumped to close out the week will go a long way towards eradicating much of the ongoing drought in the eastern half of the state. Let’s take a look back at this crazy week in Colorado weather!