First Measurable Snowfall of the 2013-2014 Winter Season

An arctic cold front brought sharply colder conditions and the season's first measurable snowfall to central Illinois during the late afternoon and evening of November 11th.  A band of light rain immediately along and behind the front quickly mixed with and changed to snow as colder air filtered southward into the area.  By the time the snow ended, many locations along and north of a Jacksonville to Paris line had picked up between one half and one inch of wet snow.  The highest totals of just over one inch were focused across portions of Knox and McLean counties, with an observer one mile northwest of Knoxville reporting 1.6 inches.  

So how unusual is a measurable snowfall this early in the season?  Based on climate records dating back to 1943, we are about 2 weeks ahead of schedule this year.  Most sites across central Illinois see their first measurable snowfall during the 3rd or 4th week of November.  Below is a table showing the average date of the first 0.1 inch snowfall at selected sites around the area. 

LOCATION

AVERAGE DATE OF FIRST 0.1" SNOWFALL

November 12, 2013 SNOWFALL

Peoria

November 21

0.5

Springfield

November 27

0.7

Urbana

November 26

0.5

Lincoln

November 30

0.5

 

Highest snowfall totals across central Illinois from today:

LOCATION

NOVEMBER 12, 2013 SNOWFALL

1 NW Knoxville

1.6

Knoxville

1.3

Gilson

1.3

4 ESE Urbana

1.2

1 N Sidney

1.2

Altona

1.2

2 S Champaign

1.1

1 N Mackinaw

1.0

Broadlands

1.0

Morton

1.0

Galesburg

1.0

4 NE Normal

1.0

8 W Arrowsmith

1.0

3 NE Bloomington

1.0

Clinton

1.0

Normal

1.0

 

Here is a view of the snow cover as seen on visible satellite imagery from 10am November 12th.  The white area across central Illinois is snow on the ground.  Note the dark line indicating the Illinois River. 



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