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Premium BoulderCAST Daily – Tue 06/04/24 | Breezy and a tad cooler today, but a summer-like heat wave is brewing!

The primary and really only shortwave system for the week moved through our area overnight and is about to exit Colorado to the east this morning. I am not seeing any reports outside of the Mountains that picked up measurable precipitation from this shortwave. It mainly brought a few surges of wind and increased cloud cover to the area. Speaking …

Premium BoulderCAST Daily – Sun 06/02/24 | Temperatures approach 90 today

The west-southwesterly flow will persist again today as a trough axis makes it move to the east. The temperature anomalies in the low-levels are quite warm for this time of year, ranging from some 2 to 5 standard deviations above the norm. That should aid us getting to the 90-degree mark this afternoon. The winds from the west and southwest …

Premium BoulderCAST Daily – Sat 06/01/24 | Only isolated storms today as temperatures rise

Today, there is a trough axis stretching from the Pacific Northwest into southern California. East of the trough, there will be some energy tracking into the state but especially across western Nebraska and Kansas. The westerly flow over the Front Range should limit any overall storm coverage, until you get far removed from the effects of the terrain in eastern …

Premium BoulderCAST Daily – Fri 05/31/24 | A few storms but most will remain east of Denver

The mid-level flow will be westerly today. Embedded in that flow some energy will track from west to east across the state and favor another day of isolated to scattered storms. But today, the better chance will be east of Denver across the eastern part of the state and bordering with Kansas. Downslope flow will limit overall storm coverage over …

Premium This Weekend in Colorado Weather: A few stormy days with severe weather just to the east, then we push into the dreaded 90s

Throughout the extended period, the primary storm track for North America will remain up along the Canadian Border with troughs of varying intensity sweeping across Montana and the Dakotas. To the south of this active northern storm track, there will generally be zonal flow or flat ridging present across the central and southern Rockies, including here in Colorado --- a …

Premium BoulderCAST Daily – Wed 05/29/24 | Widely scattered showers and storms today, some will be severe (especially east of the Metro area)

The primary forecast concern today remains the risk of strong to severe thunderstorms developing ahead of a fast-moving trough racing across the central and northern Rockies. This trough can be seen in the NAM 500mb vorticity forecast animation below for today into tonight. Notice that the main shortwave will pass across Montana and Wyoming this evening, with some trailing energy …

Premium BoulderCAST Daily – Tue 05/28/24 | A few spotty thundershowers today, but things ramp up Wednesday with severe storms eyeing the area

All is quiet across the Front Range early on this beautiful Tuesday morning. Regional satellite imagery shows clear skies across the entire state, though there are a few clouds sparsely populating the eastern Plains. A large complex of severe thunderstorms is roaring across Texas and Oklahoma this morning, with some embedded tornadic activity as well. Just more fuel for the …

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