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NYC/PHL 1/25-27 potential Part III


NortheastPAWx

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The 12z run is exactly what JB said would happen it will go OTS and then slowly bring it back. By 0z tonight it will show the Snow to Rain at the coast....Snow to ZR to Rain in the big cities and then more snow/ice to rain as you go NW of I95. This has all the earmarks of a traditional Northeast storm.

By the way current Wxsim off the 12z has all snow (but only 2") for the NW Philly burbs....that will be changing big time with later runs!

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The NAO isn't even strong. It's negative right now going neutral. AO is going neutral and the PNA is positive with the MJO going into Phase 8. None of these suggest an inland bomb. Now, if the NAO and AO was really positive, then I would consider an inland runner. I know the NAO is east based but we have seen many storms in the past with an east based NAO. I think this storm is either going a coastal hugger or a coastal storm just offshore. Another thing is that the GFS and the ensembles have a nother high coming down, just in time for the storm. Another interesting thing.

A near benchmark track would be a driving rainstorm for the majority of the coastal plain. Weak east-based NAO does little to keep the Canadian high in place.

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Given the dominant easterly flow evident on the latest guidances, chances for snow east of I-95 are rapidly dwindling. I still stand by my earlier comment that everyone should look at the position of a classic I-95 KU storm with the positioning of the high. It is early, but I think all snow chances are on life support for many eastern areas.

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The 12z run is exactly what JB said would happen it will go OTS and then slowly bring it back. By 0z tonight it will show the Snow to Rain at the coast....Snow to ZR to Rain in the big cities and then more snow/ice to rain as you go NW of I95. This has all the earmarks of a traditional Northeast storm.

By the way current Wxsim off the 12z has all snow (but only 2") for the NW Philly burbs....that will be changing big time with later runs!

Are you a spokesman for JB? :whistle:

The 12z GFS does not look right, at least with the synoptic regime. It looks to take the mid level energy and keep it compact. This keeps the system closer together as it bombs and then the entire upper trough ends up being to far east, thus the surface low now much farther to the east. To compact in the mid levels especially early on, at least in my opinion.

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Are you a spokesman for JB? :whistle:

The 12z GFS does not look right, at least with the synoptic regime. It looks to take the mid level energy and keep it compact. This keeps the system closer together as it bombs and then the entire upper trough ends up being to far east, thus the surface low now much farther to the east. To compact in the mid levels especially early on, at least in my opinion.

Interesting. So what then do you think should be happening?

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Hi Mike

No spokesman...but love to share his thoughts along with the other pro mets on this site. I think there is value with all opinions....not saying one will ultimately be right. But it sounds like you are singing from the same sheet as JB on this one!

Paul

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Are you a spokesman for JB? :whistle:

The 12z GFS does not look right, at least with the synoptic regime. It looks to take the mid level energy and keep it compact. This keeps the system closer together as it bombs and then the entire upper trough ends up being to far east, thus the surface low now much farther to the east. To compact in the mid levels especially early on, at least in my opinion.

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Are you a spokesman for JB? :whistle:

The 12z GFS does not look right, at least with the synoptic regime. It looks to take the mid level energy and keep it compact. This keeps the system closer together as it bombs and then the entire upper trough ends up being to far east, thus the surface low now much farther to the east. To compact in the mid levels especially early on, at least in my opinion.

Mike, does the last run of the euro look right to you? The GFS is out in right field literally. The euro being closer to the coast brings the warmth in and undercuts the existing high. Your thoughts please?

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