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Wintry 1/20 - 1/23 Winter Storm

KILM update..

Temperatures are hovering right around the freezing mark across the
CWA this afternoon, with reports of light icing occurring. Areal
coverage of light precip will increase through late afternoon and
evening as moisture surges north and lift is enhanced ahead of the
shortwave currently moving into western TN.

Have made some slight adjustments to the storm total ice and snow
amounts, based on some colder guidance coming in, indicating that a
changeover to snow or snow/sleet may occur for most of the CWA
during the evening hours...closer to midnight along the coast. The
GFS supports this idea, showing healthy moisture and lift in the
-12C to -18C layer, spreading west to east across the forecast area
tonight and exiting the coast around 12Z Saturday.

HRRR continues to pick up on some banding that could develop across
the Pee Dee early this evening and transition east to the coast
overnight. This would enhance potential accumulations, and we`ll
monitor its progression. WPC has tweaked their guidance up a
smidge as well. At this point, it appears that ice accumulation
across the far western CWA may be limited this afternoon and
evening, simply because a changeover to sleet/snow could occur
before much ice can accrete. This would translate to slightly higher
snow amounts, which we have adjust up to 3" or so across northern
Darlington, Marlboro, Dillon and Robeson counties.

Highest ice accretion is still expected across northern Horry
county, northeast across the Cape Fear, where we expect a range of
generally 0.25-0.5".

As the precip exits the coast late tonight, would not be surprised
if flakes are flying all the way to the beaches. Accumulating
snow...albeit less than an inch...is now expected as far east as a
Wilmington to Conway to Kingstree line. East of that line, although
flakes may fall, we are not expecting a significant
accumulation.

All winter weather warnings and advisories will remain unchanged.
Conditions will become extremely hazardous through the remainder of
the afternoon and overnight, and will remain so after sunrise
tomorrow. After lows tonight around 30-32 degrees, highs Saturday
should only reach the upper 30s.&&
 
264E in to Greenville has a light coating of sleet, certainly ice and not wet. Affirms my belief in folks around here don’t know how to drive in winter weather. Noticed the DOT signage just before the bypass had the winter hazard message. Saw 1 EMS response on the way back and just heard the Bell Arthur fire whistle go off. Bridges will be particularly bad in the morning.
 
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