SPC MD 6

MD 0006 CONCERNING FREEZING RAIN FOR EASTERN KS…CENTRAL/NORTHERN MO…WEST-CENTRAL IL

MD 0006 Image


Mesoscale Discussion 0006
NWS Storm Prediction Center Norman OK
0233 AM CST Fri Jan 01 2021

Areas affected...eastern KS...central/northern MO...west-central IL

Concerning...Freezing rain 

Valid 010833Z - 011330Z

SUMMARY...Moderate to heavy freezing rain is expected to shift
northward across eastern KS into central/northern MO and
west-central IL through the early morning hours.

DISCUSSION...Moderate to heavy freezing rain has been noted recently
across southeast KS toward the I-44 corridor in southwest and
central MO. Freezing rain rates have been as high as 0.05 in/hr in
these locations. A more pronounced/stronger deformation region has
developed northward toward the I-70 corridor from eastern KS into
central MO as the upper low continues to shift northward from north
Texas into southern OK, and is evident in water vapor loops over the
past hour. As midlevel moistening continues, freezing rain will
develop northward and increase in intensity through early morning.
Forecast soundings suggest precipitation type should predominantly
be freezing rain. However, some sleet or snow could mix in at times
as modest midlevel cooling occurs on the back side of the mid/upper
low, resulting in a deepening isothermal layer around 900-750 mb.
Once freezing rain begins, rates greater than 0.05 inches per 3
hours are expected for several hours.

..Leitman.. 01/01/2021

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

ATTN...WFO...ILX...LSX...DVN...SGF...EAX...TOP...ICT...

LAT...LON   38299632 38719617 39179535 39379493 39859363 40269171
            40329089 40209034 39958996 39638990 38829040 38279114
            37739213 37269334 37159455 37329560 37629611 37989626
            38299632 

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from SPC Mesoscale Discussions https://bit.ly/3hzfAAf

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