Canadian Rockies Daily Snow

Heads up, there may be fresher snow! Read the latest Canadian Rockies Daily Snow

By Bob Ambrose, Forecaster Posted 1 month ago February 27, 2024

Significant Snowfall with More to Come…

Summary

How about a beneficial snowfall to finally buff out the conditions across the Alberta Rockies over the last 72 hours! Some deep resort storm totals are listed below. And we’re not done yet, as another potent storm system is likely to ride down the spine of the Rockies beginning on Weds and continuing into Fri morning. Good chances of adding 20 – 50 cm for most resorts. It all looks very positive.

Short Term Forecast

As of 7 AM Tuesday, 72-hour storm totals from across the Alberta Rockies:

•    Castle Mountain 62 cm / 24 inches
•    Lake Louise 47 cm / 19 inches
•    Banff/Sunshine Village 35 cm / 14 inches
•    Norquay 31 cm / 12 inches
•    Marmot Basin 29 cm / 11.5 inches 
•    Nakiska 22 cm / 9 inches

Tuesday, February 27 – Friday, March 1 

An Arctic airmass will dry the skies on Tuesday as the upper trough recedes. Skies will be a mix of mostly cloud cover with isolated sunny spells and throw in a few stray flurries… slightly possible along the Divide. Tuesday will also see the coldest temps of the week, with frigid morning lows in the -22C to -25C range. Alpine highs -14C to -17C. N/NE winds. January Lite.  

A deep upper low spinning off the BC coast will help spur the development of a strong surface low over inland central BC on Wednesday that will tap into an impressively moist SW flow. This circulation will move east and then is modeled to slowly ride north to south along the Rockies exiting the southern Alberta Rockies by Friday evening. 

The SW flow aloft will allow temps to quickly rebound to seasonal levels on Wednesday (alpine highs -4C to -8C). These warmer temps will also aid in better snow production as opposed to the drying effects of cold arctic air.  

Model consensus for heavy accumulations in the 20 – 50 cm range from midday on Wednesday, continuing through the day on Thursday (even warmer), and ending by Friday morning at the SkiBig3 resorts, but continuing for points south at Castle and Powderkeg into Friday evening. 

This storm track also looks to concentrate the highest snowfall amounts in the Banff/Lake Louise vicinity. Current 3-day (Weds-Fri) projections for Sunshine and Lake Louise bring increasing chances of up to 55 cm falling across the alpine of both resorts. Norquay, Nakiska, and Castle will also see hefty totals around 20 - 30 cm, with Marmot Basin falling in the 15 – 20 cm range.  

Residual flurries on Friday could add several more centimeters, especially to the south at Castle which will be the last resort to clear out by Friday night. Elsewhere across the Alberta Rockies, cloud cover and isolated flurries with trace amounts are possible. 

Thursday’s alpine highs (2000m) range from -1C south at Castle to -5C north at Lake Louise and Marmot Basin. Light S/SW winds.

Temps will be colder on Friday, with alpine highs -8C to -14C. Light and variable S/SE winds.    

Blend of the Weather Models' snowfall projections through midnight Friday. In the pink...

   

Extended Forecast

A mixed bag of skies, but mostly dry, along with below-average temps look to reside over the Rockies this weekend. There are chances of light accumulations for the South Rockies (Castle, PPK) on Saturday into Saturday night, March 2. 

It will feel chilly compared to the mid-late work week, with morning lows on Saturday and Sunday in the -20C vicinity at most resort bases. Alpine highs on Saturday -11C south to -16C north. Cold temps will keep conditions fresh over the weekend.  

Colder than average temps continue, but moderate a few degrees warmer by Sunday afternoon under partly sunny skies.  

Upper ridging is portrayed to build in over the Rockies starting on Sunday and looks to stick around into early the following week. Hints of another cold front and accumulating snowfall are showing up for midweek (March 5 – 7). 

The European Ensemble for surface pressure from midnight Friday (3/1) through midnight Tuesday (3/5).  

Thanks for reading. The next powder update will be on Thursday morning. 

Until then,

Powder Out, 

Bob 

Announcements

Alberta Rockies Ski Resorts & Areas / North & South Regions are solely for Geographic References.

 North Region:  ( * denotes SkiBig3 resorts )

*Mt Norquay     

South Region:

 

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Bob Ambrose

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Ever since his early days as a ski racer on the icy slopes of New Hampshire’s White Mountains, Bob chased his dreams of deep powder west to Tahoe and finally Montana. A self-proclaimed 'weather junkie', his passion for maps, charts, and forecasts always lead him to the best snow in Montana.

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