A rather strong cold arctic air mass covers the area the past 48 + hours and is starting to retreat from the area. A storm system approaching from the SW will bring WAA with an advancing warm front. This WAA will rise over top of the very cold air at the surface...Temperatures are generally in the low to mid 20s and colder the further north that you go. Ground is quite frozen from the preceding arctic air mass. So the WAA will cause precipitation to break out and this is what my current thoughts are right now based on the GGEM and the ECM...
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