[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Thu Dec 15 06:29:30 CST 2005


ACUS11 KWNS 151227
SWOMCD
SPC MCD 151226
MDZ000-VAZ000-NCZ000-WVZ000-SCZ000-TNZ000-GAZ000-151830-

MESOSCALE DISCUSSION 2567
NWS STORM PREDICTION CENTER NORMAN OK
0626 AM CST THU DEC 15 2005

AREAS AFFECTED...NRN GA/CAROLINA PIEDMONT/CNTRL VA/ERN WV

CONCERNING...FREEZING RAIN

VALID 151226Z - 151830Z

...SIGNIFICANT FREEZING RAIN EVENT IS ONGOING THIS MORNING FROM NE
GA INTO THE CAROLINA PIEDMONT. MODERATE RATES OF FZRA UP TO 0.10
INCHES PER HOUR WILL LIKELY CONTINUE THROUGH THE MORNING...

LATEST SFC ANALYSIS SHOWS SFC LOW IN SRN AL WITH WARM/COASTAL FRONT
EXTENDING SEWD ACROSS NRN FL AND THEN CLOSELY HUGGING THE CAROLINA
COASTS. WEDGE OF SUBFREEZING AIR EXTENDS FROM NEAR ATLANTA NEWD
ACROSS THE PIEDMONT INTO ERN WV/VA. STRONG ASCENT WILL CONTINUE
AHEAD OF UPPER IMPULSE NOW OVER THE LOWER MS VALLEY. THIS LARGE
SCALE LIFT COMBINED WITH SIGNIFICANT LOW LEVEL WARM ADVECTION /VAD
WIND DATA 50-60KT AT 850MB/ WILL MAINTAIN LARGE PRECIPITATION
SHIELD. MUCH OF THE PRECIPITATION WILL BE FREEZING RAIN WITHIN THE
COLD AIR DAMMING REGION EAST OF THE MTNS.

SFC LOW PRESSURE WILL MOVE INTO WRN PORTIONS OF GA LATER THIS
MORNING AS COASTAL/WARM FRONT MOVES INLAND. BASED ON CURRENT
TRENDS...HEAVIEST AXIS OF FREEZING RAIN OVER THE NEXT FEW HOURS WILL
EXTEND FROM ATHENS TO CHARLOTTE TO EAST OF ROANOKE. RAINFALL
ACCUMULATIONS OF 0.20-0.30 INCHES HAVE BEEN OBSERVED IN NRN GA
WITHIN THE LAST 3-6 HOURS...SO SIGNIFICANT ICING ACCUMULATIONS ARE
LIKELY IN SOME AREAS.

12Z SOUNDINGS FROM RNK/GSO SHOW STRONG WAA PROFILE WITH SHALLOW WARM
LAYERS NEAR OR ABOVE 0 DEG C. WARM NOSE IS MORE PRONOUNCED AND
DEEPER AT GSO...WHICH SUPPORTS A PROLONGED PERIOD OF FZRA. A MIX OF
SLEET/SNOW WILL OCCUR IN THE HIGHER ELEVATIONS.

..TAYLOR.. 12/15/2005

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

ATTN...WFO...AKQ...LWX...RAH...RNK...RLX...CAE...GSP...MRX...FFC...

33568257 33658405 35078430 36818203 38267984 38797794
38327710 37467756 35937858 33818123

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