ACUS11 KWNS 022147
SWOMCD
SPC MCD 022146
MEZ000-030145-

Mesoscale Discussion 0056
NWS Storm Prediction Center Norman OK
0346 PM CST Tue Feb 02 2021

Areas affected...Much of Maine

Concerning...Winter mixed precipitation

Valid 022146Z - 030145Z

SUMMARY...Moderate to heavy snow is expected to persist for at least
a few more hours across northern ME, with a snow/sleet mix
persisting from central ME southward. Instances of 1 inch/hr
snowfall rates remain possible.

DISCUSSION...850 mb warm-air advection continues to overspread ME as
a low-level cyclone continues to advance north along the New England
coast. In addition, the 18Z GYX sounding indicates that at/above
freezing 850 mb temperatures have already reached inland. As such,
850 mb temperatures are expected to reach just above freezing across
portions of interior central/southern ME, suggesting that a
snow/sleet mix should persist. As evident in KCBW and KGYX
dual-polarimetric radar data, a snow/sleet mix is ongoing in two
distinct northward moving bands (one in Penobscot/Washington
Counties and another extending from Cumberland to Lincoln Counties).
As these bands continue northward into northern ME, snow is expected
to remain the main precipitation type, as 850 mb temperatures are
likely to remain sub-freezing, and instances of around 1 inch/hr
snowfall rates remain possible.

..Squitieri.. 02/02/2021

ATTN...WFO...CAR...GYX...

LAT...LON 44506799 43896907 43756951 43866994 44677088 45167096
46067041 47176967 47596912 47356813 46966777 45926751
45356721 45016727 44506799
#
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