Sunday, December 18, 2022

Snow and Bitter Cold Expected by the End of this Week.


Special Weather Statement
West Tennessee Weather Online Jackson TN
453 PM CST SUN DEC 18 2022


The first half of the work-week will be quiet and cold. Low pressure along the Gulf will provide enough moisture for clouds but no precipitation.  The clouds will increase this evening and we could see more clouds than sunshine Monday. After lows tonight in the mid-20s highs on Monday shoud be in low 40s.

Tuesday and Wednesday should be partly cloudy and cold. Lows  are expected to be in the upper 20s, and highs in the mid 40s both days.

Thursday is when the fun and games begin. Rain and snow will over-spread the West TN area Thursday. A massive chunk of arctic air will arrive by sunrise Thursday, High temperatures will be in the morning with low 40s. When the arctic air arrives Thursday afternoon temperatures will plummet into the teens by early evening. The low Friday morning will be around 4 degrees with wind chills at that time in the dangerous mid-teens BELOW zero.

Precipitation-wise the rain and rain-snow mix will quickly turn to snow Thursday evening with accumulating snow beginning soon after midnight Thursday night. Here is a break-down of the projection of snowfall by the end of the day Friday:

#1 (GFS)           3.8 INCHES

#2 (ECMWF)     0.5 INCH

#3 (Canadian)    0.8 INCH

#4 (NBM)           1.7 INCHES

By the end of the day Friday,  the temperature should be 9 degrees with a wind chill of -10 degrees.

CHRISTMAS EVE:  Partly sunny. Low 3 deg.  High 21 deg.

CHRISTMAS DAY: Partly sunny. Low 10 deg  High 30 deg.

NOTE: Once we fall below freezing Thursday we will remain there until Monday. Therefore now is the time to make plans for the prolonged coldest air of the season.

Additional updates will be issued as needed.


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