Wednesday, February 22, 2012

A More Active Pattern?

I'm not willing to call this a pattern change, but I am encouraged by what I'm seeing in the medium-range forecast models, which suggests that we may continue to see some periods of snow over the next several days.

For example, the European Center for Medium Range Weather Forecasting (ECMWF) model brings two major upper-level troughs through Utah, one over the weekend, the other later next week.

Source: Penn State E-Wall
The GFS forecast for 1100 MST Saturday shows a cold front moving into northern Utah with abundant post-frontal moisture upstream.

It's too soon to get excited, but we've had so little action this year, that even a modestly active pattern would be nice.  Let's see how things play out in the coming days.

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