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NYC/PHL Dec 26-27 Potential - Part 5


am19psu

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18z models have new satelite data. People really need to relax with the 12z error.

The error was at initialization.

18z initialization has nothing to do with 12z.

that's not entirely accurate. Since the 18Z initialization is based on the 6 hour prog from the 12Z run, errors would be partly propagated into the new run. They may not be dampened out completely by the satellite/aircraft data ingest.

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18z models have new sattelite data. People really need to relax with the 12z error.

The error was at initialization.

18z initialization has nothing to do with 12z.

+1 You're right on. The 18z runs have nothing to do with the 12z runs. This was talk about in detailed YESTERDAY.

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biggest bust potential since mar 01?

I don't think so - maybe biggest positive suprise potential. I think most had written this storm off and are still skeptical of the latest runs. Normally I'm very excited when the GFS shows a 12" snowstorm within 72hrs.....in this instance I'm more curious. Trends have been very good but we are running out of time for trends.

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Euro Ensembles are West of the Operational model.

Again, the ensembles for the Euro must have those initialization errors!:arrowhead:

http://www.ecmwf.int...l!2010122412!!/

Ouch! Look at that ensemble cluster around the benchmark. The operational is on the eastern edge of the ensemble mean.

This is probably more significant than anyone is willing to acknowledge.

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