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BoulderCAST Daily – Wed 12/23/20 | Cold & blustery today, a “brown” Christmas is confirmed

TDetailed Forecast Discussion: emperatures have dropped into the 20's overnight with strong winds still present over much of the Denver Metro area. As expected, wind chills are nippy this morning in the 20's and teens across the lower elevations, but sub-zero in the higher terrain. Several wind gusts above 70MPH were reported last night associated with a strong line of …

BoulderCAST Daily – Tue 12/22/20 | A warm day, but turning much colder & windy tonight

HDetailed Forecast Discussion: appy first (full) day of winter! It sure won't feel like it...at least for most of your Tuesday. A progressive shortwave system is rushing across the northern Rockies this morning bringing impacts first to Idaho and Montana. It will reach Utah and western Colorado by afternoon and then eventually the Denver Metro area through the evening and …

BoulderCAST Daily – Sun 12/20/20 | Another breezy day, especially along/near the Foothills

Detailed Forecast Discussion: It is going to be another breezy day across the Foothills and Plains. In fact, it will be very windy in the Foothills. The jet stream has shifted a tad north relative to its position yesterday as a ridge of high pressure, currently situated over CA (below left), edges slowly eastward. However, the jet is still in …

BoulderCAST Daily – Sat 12/19/20 | Breezy in the middle 40’s…50’s to follow early next week

Detailed Forecast Discussion: A fast-moving shortwave will be tracking through the northern sections of the state this afternoon and evening. This is noticeable in the below left figure as an area of moderate circulation over central Wyoming, with a trough axis to its southwest in Utah. The main effect of this shortwave for the Front Range will be gusty west-northwest …

BoulderCAST Daily – Fri 12/18/20 | Light snow today

Detailed Forecast Discussion: As mentioned in our post yesterday, there is weak shortwave traversing to our south today, moving off this early evening. Connected to this trough is a small sliver of moisture oriented northwest to southeast across eastern sections of Colorado. This moisture is somewhat limited, but is just enough to touch off some light snow showers today with …

BoulderCAST Daily – Thu 12/17/20 | Much cloudier, small snow chance early tomorrow

UDetailed Forecast Discussion: pper-level ridging will shift east this morning kicking our region into a warmer and more moisture rich southwest flow regime aloft. A trough will approach from the Great Basin through the day fully arriving to the area tonight into tomorrow. Today's shift to southwesterly flow will facilitate slightly warmer air working into the Front Range but with …

BoulderCAST Daily – Wed 12/16/20 | Sunny and seasonal

NDetailed Forecast Discussion: orthwest flow remains across the state of Colorado today with a very weak energy pushing through the region tied to an area of low pressure up in the Dakotas. With this, scattered light snow showers will be around today in the Mountains, especially those favored by northwest flow. Steamboat and Winter Park could see an inch or …

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