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ACUS11 KWNS 081707
SPC MCD 081706

Mesoscale Discussion 1788
NWS Storm Prediction Center Norman OK
1106 AM CST Fri Dec 08 2017

Areas affected...Southern Appalachians Region

Concerning...Heavy snow

Valid 081706Z - 082100Z

SUMMARY...Snow rates may approach 1" per hour across parts of the
southern Appalachians this afternoon.

DISCUSSION...Heavier band of precip is beginning to spread across
northern GA into the southern Appalachian region where temperatures
are below freezing, or are expected to wet-bulb to near freezing.
Forecast soundings suggest the rain/snow line will hold across
extreme northwest SC but possibly sag a bit south into southern VA
over the next few hours due to some wet-bulb cooling. Along the
southern fringe of the heavier snow band a brief mixture of sleet is
possible but overall the highlighted region should experience snow
rates approaching 1" per hour into the mid afternoon hours,
especially over the higher terrain.

..Darrow.. 12/08/2017

...Please see for graphic product...


LAT...LON   35348468 36518220 36998009 36647979 35858160 34648384
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