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Jan 11-12 Model/Forecasting Discussion


Ji

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yes it does and I can't believe the one out west isn't weakening and transferring energy

5400 thicknesses are to our south and do not seem to be moving any further north

http://www.nco.ncep....ef_at5_087s.gif

temps are unlikely to be a problem given the cold wedged in, however precip would be. If the energy does not transfer from the primary out west to the coastal while it is still south of us we will get a lighter snow as the dynamics will stay to our west and then jump over us. We need moisture advection off the atlantic and we will not get that as long as the primary is in control. The coastal has to become the dominant circulation at the surface before precip starts to really develop for our area. The OTS idea does not seem likely to me and is not a big worry right now, I would be much more concerned about any trends towards a more miller b type evolution with a stronger primary and a further north transfer of energy. That is the biggest risk of another screw job I see. SREF does not indicate that yet, GFS ens did, hopefully 0z data does not go in that direction.

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Canadian has been hinting at it and Nogaps could be as well showing the storm bomb just south of us when , in fact, it bombs to our north

just a thought

you are mirroring my thoughts actually, and why that is what I am most concerned about. Basically if the primary holds on 6 hours longer then the models indicate its a philly north special and we are on the sidelines again.

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