Lawrence County Weather History (Since
1950)
Provided by the National Weather Service Station at Lincoln,
IL
Illinois Tornado Statistics
Average number of tornadoes in the State of Illinois in one
year = 41
Most tornadoes in Illinois in one year = 124 in 2006
Least tornadoes in Illinois in one year = 12 in 1979
Intensity of Illinois tornadoes:
Weak (EF0 & EF1) wind under 110 mph = 72%
Strong (EF2 & EF3) wind under 110-165 mph = 26%
Violent (EF4 & EF5) wind > 165 mph = 2%
|
Tornado frequency in Illinois by month:
January
February
March
April
May
June
July
August
September
October
November
December |
1.2%
1.0%
5.5%
22.9%
24.0%
20.1%
7.4%
7.6%
3.7%
1.6%
2.8%
2.2% |
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Lawrence County Tornado Statistics
Reported tornadoes in Lawrence County (since 1950 - see map below)
= 7
[ranks 90 out of 102 Illinois counties]
Number of tornadoes in Lawrence County per 100
square miles = 1.9
[ranks 91 out of 102 Illinois counties]
Lawrence County Tornadoes 1950 to 2007

Strongest tornado to affect Lawrence County (since 1950)
= F2 on
February 25, 1956 - Tracked from Richland County into Northern
Lawrence County, dissipating near Pinkstaff. The tornado
did about $2.5 Million in damage, mainly in Pinkstaff and
injured 2 people. |
Details of Lawrence County Tornadoes reported since 1950
Location or County
|
Date
|
Time (CST)
|
Type
|
Mag
|
Dth
|
Inj
|
PrD
|
CrD
|
1 Pinkstaff |
02/25/1956
|
02:33 AM
|
Tornado
|
F2
|
0
|
2
|
2.5M
|
0
|
2 Lawrenceville |
04/03/1956
|
02:30 PM
|
Tornado
|
F2
|
0
|
0
|
25K
|
0
|
3 Sumner |
05/03/1958
|
03:35 PM
|
Tornado
|
F1
|
0
|
1
|
25K
|
0
|
4 St. Francisville
|
04/19/1963
|
02:55 PM
|
Tornado
|
F3
|
0
|
10
|
250K
|
0
|
5 Lawrenceville |
05/06/1971
|
09:07 AM
|
Tornado
|
F2
|
0
|
0
|
25K
|
0
|
6 Bridgeport |
04/01/1974
|
04:17 PM
|
Tornado
|
F3
|
0
|
0
|
25K
|
0
|
7 Pinkstaff |
06/02/1990
|
05:45 PM
|
Tornado
|
F2
|
0
|
1
|
250K
|
0
|
TOTALS:
|
0
|
14
|
3.1M
|
0
|
1. 2/25/1956: This tornado developed
near Olney (Richland County), moving 20 miles before lifting
in Northern Lawrence County East of Pickstaff. The worst damage
was at Pinkstaff. |
2. 4/3/1956: This tornado destroyed
a large building at a sawmill near Lawrenceville, damaged
a concreate building, and blew the windows out of several
houses. The tornado was on the ground for
3 miles. |
3. 5/3/1958: This tornado was on
the ground for 3 miles. Damaged 2 farmsteads 7 miles Southeast
of Sumner. |
4. 4/19/1963: This tornado touched
down 7 miles Southwest of St. Francisville in Wabash County,
then clipped extreme Southeast Lawrence County before moving
into Indiana. Ten people were injured overall in Illinois,
with 100 buildings damaged or destroyed. |
5. 5/6/1971: This tornado touched
down 6 miles South of Lawrenceville, destroying several farm
buildings. |
6. 4/1/1974: This tornado first hit
Bridgeport, destroying a bus barn and damaging a few houses.
It lifted briefly, then touched down again on the North side
of Lawrenceville, damaging two mobile homes. |
7. 6/2/1990: Touched down near Pinkstaff
and moved Northeast. A farm was destroyed;
one person was injured when a tractor was dropped on his leg.
The tornado briefly lifted as it crossed the Wabash River,
then touched down again in Knox County, Indiana. |
|
Lawrence County Winter Weather Statistics
Normal Snowfall for Lawrence County:
November
December
January
February
March
April |
0.8"
3.4"
5.5"
4.0"
2.7"
0.1" |
Annual 16.5"
Highest annual total = 37.6" in Lawrenceville (1977-78)
Highest storm total = 12.0" in Lawrenceville (Dec. 19-20,
1973)
Average number of days with snow > 1" = 6 days per year
Average number of days with snow 1 to 2" = 3 days per year
Average number of days with snow 2 to 4" = 2 days per year
Average number of days with snow 4 to 6" = 1 day per year
Average number of days with snow > 6" = once every 2-3
years
Average number of days with ice (freezing rain) = 2 days per
year |
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