Let’s be honest here, it is December and in meteorology that means nightmares for predicting snowfall and tracking. The last two days, the tracking storm set for this weekends arrival looked to make a bulleyes right in the middle part of the state encompassing Madison, Green Bay, and the Fox Valley BUT things have changed. The scouting or I should just say straight up stalking of this storm I’ve been doing the past few days has put me in again another predicament --- stay with yesterday’s forecast or go with the new models that have changed everyday now?
NAM and GFS numerical models are forecast models used to help determine conditions of weather for a particular day and give insight clues for meteorologist so they can accurately forecast for upcoming days. Both NAM and GFS models are much different for the snowfall locations and accumulations. At this point I am leaning more towards the GFS since they have been a little more consistent which ultimately means a line of snow can be expected anywhere north and west of Highway 151 in Wisconsin. Again the most accumulations looks to be in the Marathon County area.
Both models will have a new forecast out in a few hours --- until then keep those shovels handy!
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