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BullCityWx

January 8th-9th threat

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WSW wording.  Everything but the kitchen sink possible.  :D

Quote
URGENT - WINTER WEATHER MESSAGE
National Weather Service Greenville-Spartanburg SC
233 PM EST Wed Jan 6 2021

...WINTER STORM EXPECTED TO IMPACT PORTIONS OF WESTERN NORTH
CAROLINA THURSDAY NIGHT INTO FRIDAY...

.A storm system moving from the Deep South through the coastal
plain of Georgia and South Carolina will spread precipitation into
western North Carolina from late Thursday evening through Friday
morning before tapering off Friday afternoon. Sufficient cold air
will be in place such that mostly snow is expected across the
mountains, with the exception of the lower valleys of southwest
North Carolina. While precipitation is expected to initially fall
as rain across the foothills and northwest Piedmont, a cooling
atmosphere is expected to support a transition to snow Friday
morning, roughly along and north of I-40. Heavy snow accumulations
will be possible in these areas before the precipitation tapers
off, or changes back to rain Friday afternoon. While rain and snow
are expected to be the main precipitation types, a brief period of
sleet or freezing rain will be possible, especially from the Blue
Ridge escarpment through the northwest Piedmont, but any sleet or
ice accumulations are expected to be minor.

NCZ033-035>037-048>050-052-053-056-063>065-501>507-509-070400-
/O.NEW.KGSP.WS.A.0001.210108T0000Z-210109T0500Z/
Avery-Alexander-Iredell-Davie-Madison-Yancey-Mitchell-Haywood-
Buncombe-Catawba-Southern Jackson-Transylvania-Henderson-
Caldwell Mountains-Greater Caldwell-Burke Mountains-Greater Burke-
McDowell Mountains-Eastern McDowell-Rutherford Mountains-
Polk Mountains-
Including the cities of Ingalls, Banner Elk, Newland, Bethlehem,
Ellendale, Millersville, Taylorsville, Hiddenite, Stony Point,
Statesville, Mooresville, Farmington, Fork Church, Mocksville,
Advance, Faust, Mars Hill, Marshall, Walnut, Allenstand,
Hot Springs, Luck, Swiss, Burnsville, Celo, Micaville,
Ramseytown, Busick, Spruce Pine, Poplar, Waynesville, Waterville,
Canton, Cruso, Cove Creek, Asheville, Hickory, Newton,
St. Stephens, Wolf Mountain, Cashiers, Brevard, Cedar Mountain,
Little River, Hendersonville, Fletcher, Dana, East Flat Rock,
Tuxedo, Etowah, Patterson, Kings Creek, Lenoir, Sawmills,
Granite Falls, Jonas Ridge, Morganton, Pleasant Grove, Valdese,
Ashford, Sugar Hill, Woodlawn, Old Fort, Marion, Nebo,
Dysartsville, Fero, Glenwood, Chimney Rock State Park, and Saluda
233 PM EST Wed Jan 6 2021

...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY EVENING...

* WHAT...Heavy mixed precipitation possible. Total snow
  accumulations of 1 to 5 inches along with a light glaze of ice
  possible.

* WHERE...Much of the mountains, northern foothills, and northwest
  Piedmont of North Carolina.

* WHEN...From Thursday evening through Friday evening.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the Friday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

 

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Nam is a total crush job for wnc. Deform band seems to be focused in mountains western foothills.

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Just now, wncsnow said:

Hi Res Nam is getting a bit concerning for foothill peeps don't want it to trend anymore north 

Can you post a map?

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Important on the 18z Nam. The 3k only goes out to hr 60. The Nam crawls the LP off the NC Coast and Friday night it snows into Saturday pre dawn across eastern /central NC. Pressure dropping below 1000 into the 990's. So the 3k clowns would be a lot more.

Gonna be lot of sleet, but this is going to end happily on the backside Friday night for a ton of folks that arent expecting it as the storm pulls away. Seeing this sign on a lot of models, agreement. Devil is always in the details as usual though.

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1 minute ago, NCSNOW said:

Important on the 18z Nam. The 3k only goes out to hr 60. The Nam crawls the LP off the NC Coast and Friday night it snows into Saturday pre dawn across eastern /central NC. Pressure dropping below 1000 into the 990's. So the 3k clowns would be a lot more.

Gonna be lot of sleet, but this is going to end happily on the backside Friday night for a ton of folks that arent expecting it as the storm pulls away. Seeing this sign on a lot of models, agreement. Devil is always in the details as usual though.

Is it snowing in richmond at end of 3k run?

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3km NAM is probably being a little over zealous, but this would put down some high snowfall rates in the Triad...strong vertical motion in the dendrite growth zone...and steep lapse rates in the DGZ on some soundings up in that area

CsoJs8H.png

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