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BoulderCAST Daily – Thu 05/20/21 | Lower 80’s and isolated storms, some turning severe well east of Denver

ADetailed Forecast Discussion: highly amplified pattern is taking shape across the continental United States today and this will continue well into the upcoming weekend and early next week. The main features are a deep trough in the Great Basin and a potent ridge in the eastern half of the country. Colorado rests between the two with southwest flow pushing into …

BoulderCAST Daily – Wed 05/19/21 | Increasing clouds with a chance of weak late-day storms

ADetailed Forecast Discussion: more seasonal day is in store today with warmer temperatures and some sunshine, but there still remains a chance of late-day storms developing. The slow-moving, borderline snail-like storm system responsible for the gloomy last four days in Denver has weakened and lost much of its identity over the last 24 hours. The ill-defined circulation is positioned somewhere …

BoulderCAST Daily – Tue 05/18/21 | Gloomy with spotty showers throughout the day

TDetailed Forecast Discussion: hunderstorms, soaking rain, and small hail were widespread yesterday afternoon and evening from Denver to Boulder. This is the view from Gunbarrel around 4:00PM on Monday where a layer of small hail coated the ground. https://twitter.com/CReppWx/status/1394415820894208007 Radar estimated rainfall totals indicate the heaviest rain occurred north and west of Denver, over an inch in some cases. We …

BoulderCAST Daily – Sun 05/16/21 | Rinse and Repeat with more storms again today

RDetailed Forecast Discussion: inse and repeat...very little change in the overall weather pattern relative to yesterday. The mid-level closed circulation of low pressure is still off to our southwest, located this morning in southern Nevada. As the system inches a tad closer, it will send another ripple of energy through the state this afternoon and evening. There is still anomalous …

BoulderCAST Daily – Sat 05/15/21 | Another round of scattered storms today

ADetailed Forecast Discussion: nother round of storms develops again this afternoon and evening across the Front Range. Instability (below) is higher today, although shear is still marginal. However, the increased instability, along with moist upslope flow, should aid in supercell development this afternoon and evening, producing the threat of some storms being severe. The main threat of the storms today …

BoulderCAST Daily – Fri 05/14/21 | Scattered storms later today with main severe threat east of Denver

TDetailed Forecast Discussion: rough of low pressure located just off the coast of northern California today (below left) will be the main factor in our weather later this afternoon and evening. While the system is well removed from our state, it will be sending in increased moisture (anomalously above average; below right figure) and ripples of mid-level energy to aid …

BoulderCAST Daily – Thu 05/13/21 | A dry & seasonal day, storm chances ramp up beginning tomorrow

TDetailed Forecast Discussion: he warming trend continues today as a flattened ridge of high pressure over Arizona drifts slightly eastward. Northwest flow is still present across Colorado, a direction that won't warm us that much. Nonetheless, it will be warmer than the last four days! We're expecting highs today to reach into the lower to middle 70's. As you can …

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