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Mesoscale Discussion 72
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   Mesoscale Discussion 0072
   NWS Storm Prediction Center Norman OK
   0302 AM CST Sun Jan 16 2022

   Areas affected...Southern Appalachians...North Carolina and Virginia
   Piedmont

   Concerning...Heavy snow 

   Valid 160902Z - 161500Z

   SUMMARY...Snowfall rates exceeding one inch per hour will be
   possible across parts of the southern Appalachian Mountains this
   morning.

   DISCUSSION...The latest water vapor-imagery shows an upper-level low
   moving eastward across the lower Mississippi Valley. Ahead of the
   low, mid-level moisture is streaming northeastward across Tennessee,
   Georgia and the Carolinas, where widespread precipitation is
   ongoing. Surface temperatures within the area of precipitation are
   mostly above freezing. The exception is along the northern edge of
   the precipitation from northern South Carolina into western North
   Carolina where surface temperatures have dropped to near or just
   below freezing. In response, precipitation has changed over to snow
   across much of the southern Appalachians, especially from the
   Appalachian crest eastward. As the upper-level low moves eastward
   across the central Gulf Coast states, large-scale ascent will
   increase across the southern Appalachians. In response, bands of
   heavy snowfall will likely develop. Snowfall rates could exceed one
   inch per hour from far northeast Georgia into the western Carolinas
   and far eastern Tennessee. Later this morning, heavy snow will also
   be possible in western Virginia.

   ..Broyles/Edwards.. 01/16/2022

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...RAH...RNK...GSP...MRX...FFC...

   LAT...LON   34668450 35468417 36108347 36718261 37018202 37278074
               37077990 36827915 36487891 36137897 35767931 35118081
               34368265 34058346 34068395 34188427 34398446 34668450 

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Page last modified: January 16, 2022
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