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Southeast February Mid/Long Range Discussion II


Marion_NC_WX

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No confidence past day 4

PRELIMINARY EXTENDED FORECAST DISCUSSION

NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD

827 AM EST SUN FEB 05 2012

VALID 12Z THU FEB 09 2012 - 12Z SUN FEB 12 2012

PRELIMINARY UPDATE...

USED A PROGRESSIVE BLEND FROM THE 00Z/05 DETERMINISTIC ECMWF

TOWARD THE 00Z/05 ECENS MEAN TO UPDATE THE PRELIMINARY FRONTS AND

PRESSURES FOR DAYS 3 THROUGH 7. THE EUROPEAN CENTRE GUIDANCE SITS

BETWEEN THE GFS SOLUTION...WHICH SHOWS A LONGWAVE TROUGH OVER THE

PLAINS...AND THE UKMET...WHICH PLACES THE SAME TROUGH ALONG THE

EAST COAST. THE EUROPEAN GUIDANCE IS ALSO LESS AMPLIFIED THAN THE

OTHER MODELS...WHICH FITS THE PATTERN SEEN FOR MOST OF THIS COLD

SEASON. CANADA IS COOLED TREMENDOUSLY VIA THE CROSS-POLAR FLOW

INTO THE COUNTRY...BUT THE ARCTIC AIR HAS NO MECHANISM BY WHICH TO

INFILTRATE THE UNITED STATES TO ANY APPRECIABLE DEGREE. THE FLOW

IS ALSO NOT CONDUCIVE TO SIGNIFICANT CYCLOGENESIS...SO EXPECT NO

SPRAWLING AREAS OF ORGANIZED PRECIPITATION.

CISCO

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AFD from FFC today, Steve Nelson did this one

A COUPLE NICE ARCTIC HIGHS PROGGED TO SETTLE INTO THE PLAINS AND

CENTRAL CONUS...ONE BY WED AND ANOTHER FRI...GFS A LITTLE STRONGER

THAN THE ECMWF WITH THE SECOND HIGH. PERHAPS WELL GET A GLANCING

BLOW OF MORE SEASONABLE TEMPS BY THE WEEKEND.

SNELSON

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At 96 a new piece of energy is dropping down, that I didn't see on the 0z run, that phases with the southern piece of energy, not quite a strong phase, if we could get a strong phase this would be a huge storm....per the model....I wouldn't worry about to much about ST's, I want to see a monster phaser, even if that means we miss out and the foothills/mountains and place NE get a big one ala March 1993.

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That doesn't happen very often....we know how this is going to end. We are in the Euro's wheel house now...

On this one I'll be shocked if the Euro is right. Last night it trended towards the GFS also the GFS has been extremely bullish on a GOM low and consistent with this cold front sweeping through for the most part. Euro has been all over the place.

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