If you remember back to last Thursday's posting I mentioned two storm systems with the second one being the bigger one. Well it looks like things are starting to come together for just that as the models are finally starting to catch on to it. Instead of rehashing what I said please scroll down and review on what I thought would be the pattern going into December.
This coming weekend Storm #1 develops across the east coast and could produce a swath of snow from Indiana, Kentucky, Ohio and points to the northeast. As of now the snow will be light across the Ohio Valley but increase in coverage and intensity as the storms strengthens off the northeast coast. This will have limited cold air behind it as the true Arctic air is now just crossing the pole and will be in great supply across Canada for Storm #2.
This will develop as the Southern Jet stream meets up with a pretty potent s/w coming out of western Canada by the middle of next week. As Storm #1 doesn't take all the energy out of the desert Southwest and allows #2 to phase with the left over energy. This is called a money in the bank scenario as the leftover energy is the key piece in the development of the storm. You'll liking here me say this several more times over the winter. Now there is a slight chance that storm#1 doesn't leave anything in the back. If that would occur storm#2 will be much weaker and wouldn't pull down the Arctic air late next week.
Here is the latest model run of the European and GFS for this Sunday morning. Notice the difference as the models tend to always have trouble with the money in the bank scenario. We're looking at an very active over the next 10 days. Stay tuned for further updates as big storm possibilities are out there for not only the East Coast but the Ohio Valley and Southern Plains as well.
Keep checking back as this could be the first significant snowfall across the Ohio Valley and greater Northeast late this weekend.
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