[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 261259
SWOMCD
SPC MCD 261258 
NCZ000-VAZ000-SCZ000-GAZ000-261900-

MESOSCALE DISCUSSION 2581
NWS STORM PREDICTION CENTER NORMAN OK
0658 AM CST SUN DEC 26 2004

AREAS AFFECTED...SC/CNTRL AND ERN NC/SE VA

CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION 

VALID 261258Z - 261900Z

...SIGNIFICANT AMOUNTS OF FREEZING RAIN WILL CONTINUE THROUGH MID
MORNING ACROSS THE PIEDMONT OF THE CAROLINAS...

LATEST IR SATELLITE IMAGERY SHOWS COOLING CLOUD TOPS ACROSS MUCH OF
NC/SE VA...LIKELY MARKING THE REGION OF ENHANCED ASCENT ASSOCIATED
WITH FAVORABLE JET DYNAMICS. HEAVIEST ACCUMULATIONS OF FZRA WILL
OCCUR ALONG A NARROW DEFORMATION BAND WHICH HAS SET UP ROUGHLY ALONG
A AGS/FAY/ASJ LINE. 12Z OBSERVED SOUNDINGS FROM MHX/CHS CONFIRM A
DEEP WARM LAYER ATOP A SHALLOW SUBFREEZING AIRMASS. WITH SLIGHT WAA
EXPECTED TO OCCUR AS 850MB LOW TRACKS NEWD ALONG THE COAST...MAIN
PRECIPITATION TYPE SHOULD REMAIN FZRA...AND THERE COULD BE ANOTHER
0.25" OF LIQUID PRECIP ACROSS CNTRL SC WHERE 0.3-0.5" HAS ALREADY
FALLEN. HEAVIEST FZRA TOTALS WILL LIKELY EXTEND FROM AUGUSTA  TO
COLUMBIA OVER THE NEXT 1-3 HOURS BEFORE DIMINISHING AFTER 15Z.

FARTHER NORTHEAST TOWARD FAY...PRECIPITATION WILL BE SLEET/SNOW
ALTHOUGH MID LEVEL WAA MAY CHANGE SOME OF THE FROZEN PRECIPITATION
TO FZRA AFTER 14-15Z BEFORE ENDING BY EARLY AFTN.

..TAYLOR.. 12/26/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A 
SCHEDULED BASIS...FOUR TIMES A DAY...BETWEEN 00-01 UTC...
06-07 UTC...12-13 UTC...AND 18-19 UTC AS SIGNIFICANT SHORT
RANGE WINTER WEATHER EVENTS UNFOLD.  THIS SCHEDULE WILL BE
USED FROM DECEMBER 1 THROUGH FEBRUARY 28.

ATTN...WFO...AKQ...MHX...RAH...ILM...CHS...CAE...

37167701 35397929 33398239 32658148 33138032 34417805
35707554 36707601 

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