Category: Climatology (Page 17 of 65)

These posts contain information about the long-term weather patterns of Boulder County. Potential topics may include 30-day weather outlooks, El Nino/La Nina, and seasonal forecasts. You will find less about the day-to-day weather, with more focus on longer trends and patterns.

September 2024 Graphical Weather Review: Yet another warm & dry month with further drought expansion in the Front Range

September was an exceptionally warm month in the Front Range, with most areas landing more than four degrees above average. This was our fourth consecutive month that finished on the north side of normal. Outside of a single soaking rain event, the month was also extremely dry with drought expanding further across the area. Here’s a quick and colorful graphical recap of our weather during September and how it relates to climatology.

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This Week in Colorado Weather: September 30, 2024

This week’s weather will once again be excruciatingly quiet in the Front Range. It’ll be a roller-coaster ride in temperatures from the 70s to around 90 degrees, but no rain is in the forecast as high pressure ridging keeps things totally dry. Two dry cold fronts will pass through the area — one on Monday and another later in the week, but this won’t prevent us from nearing record heat on Wednesday. We also discuss the potential for tropical development in the days ahead and take a look at the devastating aftermath of Hurricane Helene in North Carolina.

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This Week in Colorado Weather: September 23, 2024

The Front Range experienced its first significant rainfall in five months, with some areas receiving up to an inch of rain over the weekend. The start of the work week will be relatively cool. However, a strong ridge pattern known as an omega block will bring warm and dry conditions from Wednesday onwards, with temperatures rising into the 80s and potentially reaching record highs by Thursday. While there is no hope for any snow in our forecast yet, our 10th Annual First Snow Contest will open to entries later this week. Read on for all the details.

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Colorado Forecast Update: Widespread rain inbound for Boulder and Denver this weekend, several inches of snow for the Mountains (Updated)

This weekend will surely feel a lot different than recent ones as the first autumn storm system of the year arrives into Colorado — conveniently aligning with the official first day of autumn on Sunday. While a fair amount of uncertainty remains in potential precipitation totals for the Front Range, everyone should see an extended period of light to moderate rainfall from late Saturday afternoon into Sunday morning. Fortunately it is still too warm for frozen precipitation across the lower elevations, but snow will fall in the Mountains accumulating up to several inches. Here’s our latest thoughts on what has turned out to be a tricky storm to forecast!

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This Week in Colorado Weather: September 9, 2024

The second week of September will bring a prolonged period of unseasonable warmth to the Front Range along with minimal rainfall. The early to mid-week period will actually have slight chances for rain, but late-week will have much drier air and gusty winds leading to elevated fire danger. Temperatures will remain close to 90 degrees every single day in the extended, with some influx of wildfire smoke at times from the Pacific Northwest. Read on for all the details.

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August 2024 Graphical Weather Review: A surprising late-season surge in the monsoon brought slight drought improvement to the Front Range

August brought welcomed change to the Front Range with the elusive American Southwest Monsoon finally making a late appearance. While much of the area ended with below normal rainfall in August, it was notably wetter than months prior leading to a slight improvement in the regional drought. It was also hot in August, with overall temperatures and the number of 90-degree days landing above normal. Here’s a quick and colorful graphical recap of our weather during August and how it relates to climatology.

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