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Premium Storm Update Wed 02/06/19 7:00 AM

February 6, 2019 / Ben Castellani

Based on water vapor imagery from GOES-East, our storm system is currently located in extreme northeastern Nevada. The upper-low is moving a little bit slower than expected as this is about 100 to 200 miles further west than the GFS forecast. Snow has begun across the Mountains of western and central Colorado with moist flow streaming northward ahead of the …

DayCAST: Tue 02/05/19

February 5, 2019 / Ben Castellani

Cold air boundary hovers near Denver & Boulder today As we stressed in our forecast yesterday, there is a fair bit of uncertainty as to how far south a cooler airmass makes it this afternoon. Models show the boundary draped across the Front Range again today, with a sharp temperature gradient possible in our region. Of course, most of the models …

DayCAST: Sun 02/03/19

February 3, 2019 / Andy

Happy Super Bowl Sunday! Whether you are skiing in the mountains, snowshoeing, or hiking in the Foothills/mountains, we hope you have a great day. If you are hiking, you'll want to dress warm as wind speeds in the mountains will be rather gusty from the southwest. This is more evident below in the wind speeds about 10,000 feet up. Large-scale …

DayCAST: Sat 02/02/19

February 2, 2019 / Andy

We start our weekend off with a bang! Following yesterday's gorgeous day in the upper 50's, we should have no issue getting close to the lower 60's this afternoon. Not much has changed. Below shows the mid-level pattern across the west. Of note is a strong area of low pressure just offshore of California. This will be moving onshore later …

DayCAST: Fri 02/01/19

February 1, 2019 / Andy

We start off the first day of February in a split flow pattern across the nation. The upper-level 250 mb wind flow is shown below from the GFS model. This map shows quite well the two branches to the jet stream. The polar jet stream is well north of Colorado, mostly oriented west to east along the U.S. and Canada …

DayCAST: Thu 01/31/19

January 31, 2019 / Ben Castellani

Mild final day of January There is not much overall change in the weather pattern for Colorado today. We're still looking at generally northwest flow with moderating temperatures as the headlining Arctic airmass across the East Coast trudges north and east. This should really be the last day where we see widespread historically cold temperatures reported across the country. An airmass …

DayCAST: Wed 01/30/19

January 30, 2019 / Ben Castellani

Warmer today, but still cool With all that fresh snow on the ground, yesterday's high temperature was only 32 degrees at BoulderCAST Station. This was some 10 degrees below all of the model guidance. With similar conditions today, we don't expect the model consensus of lower 50's to verify all that well. Our prediction calls for highs in the middle 40's …