Friday, December 20, 2013

10pm Friday Night Update Storm Update

10:15pm Update

The GFS is in now and it keeps the heavy snow band pretty close to the Quad cities...so the 5-8 inch range for the Quad Cities is still looking good! 

Previous Post:
There's nothing quite like a winter storm forecast...we see a plethora of model data, with some form of one update or another coming in pretty often.  There's no need to tweak the forecast with every single piece of data you get, but once you notice a trend it's always good to reevaluate your forecast.  With the data in so far tonight I have noticed a trend of shifting the heaviest snow just a little further West so I will make a slight adjustment to my snow forecast...it's not much but it is something to consider over the next couple model runs before the storm arrives!



Andy's forecast


Model Forecast



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