Jump to content
  • Member Statistics

    17,611
    Total Members
    7,904
    Most Online
    NH8550
    Newest Member
    NH8550
    Joined

NYC/PHL December 24-27 Potential Part 3


earthlight

Recommended Posts

  • Replies 981
  • Created
  • Last Reply

I guess now's when we're seeing the inevitable model swings WRT this event. We just really have to hope the Euro holds serve and doesn't shear the system out like the other models seem to want to do tonight. If it does and has the 6th straight megabomb solution, I have to believe it's really onto something and maybe the others are having a fluke run. If the Euro caves, and doesn't recover at 12z tomorrow, then IMO we're in big trouble if anyone wants anything more than a garden variety event, and even then for the immediate coast since by then, there should be plenty of data available to make a good decision.

Link to comment
Share on other sites

Is it me, or does the GGEM look like it might miss the phase?

I've been getting a little confused by everyone loosely throwing around the term "phase." To my mind, however you want to identify them - probably polar and subtropical - the jet streams are in phase on all guidance by around hr 60. So I don't believe that "phasing" jet streams makes or breaks our storm. Instead I believe it's more simply the evolution of the flow orientation at all levels, but especially above 500mb or so. And this is greatly influenced by the movement and timing of small perturbations in the phased flow (shortwaves) and their associated vorticity pockets.

For comparison, split flow is clearly evident at 12hr. But by hour 48 and especially in the later panels, the two main streams are united in the eastern trof.

Link to comment
Share on other sites

One negative trend I see is the faster solution. Faster simply because the PV never detaches from the northern branch. This keeps the PV farther N and the system won't blow up once it ejects over the Gulf Stream since it will lack the GOM moisture. Very interested to see the EURO and if it holds to its original thoughts. I have a feeling it will change a bit though. Still a lot to happen though.

Link to comment
Share on other sites

One negative trend I see is the faster solution. Faster simply because the PV never detaches from the northern branch. This keeps the PV farther N and the system won't blow up once it ejects over the Gulf Stream since it will lack the GOM moisture. Very interested to see the EURO and if it holds to its original thoughts. I have a feeling it will change a bit though. Still a lot to happen though.

i have had that feeling for the past 3 runs with these extreme cases but it hold it sticks to its guns... it all comes down to the speed...slower we are game..faster it goes to the gfs and nam

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

Guest
This topic is now closed to further replies.
  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...