Wednesday, January 19, 2011

Snow Possible Overnight Thursday into Friday

Ok here is the latest look at what if any potential we will see over night Thursday. The GFS is fairly dry on the latest run but the NAM is real bullish on the moisture and shows a decent accumulation for the Tennessee Valley. Now the NAM is the outlier model here but it did nail the last to events so it is possible. I will look at the models this afternoon and put out my accumulation charts tonight. Any snowfall should begin falling after about 8pm on Thursday and be ended by 6am Friday 1-2" possible. We will continue to watch systems along the coast over the next few weeks as 1 LOW after another develops and throws moisture our way. There now is a good chance of rain Monday and it will be a close call on wintry precipitation so we will not forecast any right now so stay tuned.

GFS Surface temps at 12am Friday

GFS accumulation snow possibilities 12 am Friday

NAM surface temps 12am Friday

NAM moisture potential 12am Friday

Another look at the NAM snow accumulations 12am Friday

NAM snow accumulation forecast

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