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0z Models 12/22/10


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keep in on topic folks to avoid a 5 posts per day restriction

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21Z SREF trended towards a farther west ridge axis and slower evolution at 81 hours compared to 03z 87 hours

]

The western ridge on the 21z SREFS appears to be more of a neutral tilt and slightly more pronounced, minor run-to-run changes here. The big difference for me is the presentation of the system over Hudson Bay, Canada. It appears to be more robust. Finally, the energy diving south through Arkansas seems better defined on the 21z SREF.

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Can anyone comment on why this is slowing every run?

I would think its that wall in front of it. Looks like it on satellite anyway. Also looks like that further south vortex is actually already further south in reality. Going to be very interested in where that vortex is at 60 hours to see how it lines up with the EC at 72.

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Can anyone comment on why this is slowing every run?

as simplistic as it sounds, runs from a few days ago were too fast and the evolution has changed from the s/w entering further north and bowling ball across the country vs. entering further south and taking the southern route via GOM and east coast which is, of course, a longer journey

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The southern stream is a little strong and slower but that may be tempered by the vortex from Hades extending farther to the southwest this run which is liable to again make it hard to get any warm advection going as the system moves east. I'll probably stay thru the nam and quit as I'm fighting a sinus infection and don;t have as much energy as normal.

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The southern stream is a little strong and slower but that may be tempered by the vortex from Hades extending farther to the southwest this run which is liable to again make it hard to get any warm advection going as the system moves east. I'll probably stay thru the nam and quit as I'm fighting a sinus infection and don;t have as much energy as normal.

I hope you feel better, Wes.

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