Radar:       Or click here for map
Radar: La Crosse WI
43.82 N - 91.18W
Period: 1980 - 2006      Range: 124 nm

Database Overview
All reports in the domain All severe weather reports during the period are plotted. Blue dots represent damaging wind, green dots represent large hail, and red dots represent tornadoes. [Click to enlarge]
  All Rpts Sig Rpts Avg Days
Hail
5851
 340 33
Wind
7562
 603 37
Tornadoes
1048
 183 15
Total
14461
 1126 50
Significant severe reports Significant severe weather reports during the period are plotted. Only tornadoes F2 or stronger, wind gusts of 65 knots or stronger, and hail of 2" diameter or larger are plotted. [Click to enlarge]
Category
Rank*
Freq/mi2
Any Severe
45
1:90
Sig Severe
21
1:1,158
Tornadoes
33
1:1,244
F2+ Torn
27
1:7,127
* Compared to 141 national radar coverage areas studied.

Annual Report Information
Annual severe weather reports
Plot of annual severe weather reports in the search area. The dashed magenta line denotes a 5 year running average of all reports.

20 year report increase: 495%
10 year report increase: 194%
5 year report increase: 42%
See annual table below

Daily Report Information
Annual severe weather reports
 Plot of daily severe weather reports in the search area. Lines denote a 7 day running mean.

Maximum daily value:
5.8 on 28 Jun

Primary Season:
May 05 - Aug 31
See monthly table below

Hourly Report Information
Annual severe weather reports
 Plot of hourly severe weather reports in the search area. Values are in percent of total, and have been rounded to the nearest hour (UTC).

Maximum hourly value:
11% at 23 UTC
See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.028%
3531 yrs
38
F2+ Tornado
0.024%
4220 yrs
34
This table represents the average annual probability and return interval of each event for any point within the search domain.
Read details of computational method

Annual Totals
Year
Hail
Wind
Tornado
Total
 
Rpt
Days
Rpt
Days
Rpt
Days
Rpt
Days
1980
90
29
219
36
46
17
182
46
1981
71
27
102
29
28
13
127
44
1982
23
14
94
23
30
14
83
34
1983
29
15
330
37
30
10
89
41
1984
75
23
264
35
64
23
203
48
1985
83
25
110
33
19
11
121
44
1986
68
27
131
36
14
11
96
48
1987
62
27
177
40
24
19
110
52
1988
51
27
130
30
45
7
141
43
1989
101
25
182
26
30
9
161
36
1990
66
26
162
28
37
19
140
47
1991
98
21
244
39
34
17
166
48
1992
105
24
137
28
30
16
165
38
1993
113
27
242
37
54
17
221
47
1994
186
43
274
52
55
19
296
65
1995
131
33
315
50
30
13
191
54
1996
115
21
295
31
22
11
159
41
1997
227
33
437
35
32
18
291
43
1998
351
41
685
39
64
19
479
56
1999
229
38
407
38
42
16
313
51
2000
516
45
310
37
24
13
564
51
2001
483
45
353
45
59
14
601
62
2002
559
53
337
44
36
21
631
68
2003
276
38
255
36
34
11
344
48
2004
533
53
357
49
71
22
675
67
2005
347
50
628
45
74
19
495
65
2006
863
60
385
44
20
10
903
70
AVG
217
33
280
37
39
15
536
50


Violent Tornadoes
Date
F
Deaths
Injuries
1983 04-Jul 0115 UTC
F4
0
0
1984 27-Apr 2120 UTC
F4
1
19
1984 08-Jun 0541 UTC
F5
9
200
1989 24-May 2320 UTC
F4
0
0
1989 31-May 0050 UTC
F4
0
3
1990 13-Mar 2253 UTC
F4
0
0
1996 19-Jul 0005 UTC
F5
0
12

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
0
0
0
0
Feb
0
0
0
1
Mar
8
4
1
14
Apr
27
17
3
46
May
52
35
8
94
Jun
48
80
12
140
Jul
31
79
8
118
Aug
29
43
4
75
Sep
15
16
3
33
Oct
6
3
0
10
Nov
0
1
0
1
Dec
0
0
0
0

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
636
735
162
1533
01
505
679
119
1303
02
426
509
77
1012
03
340
428
45
813
04
254
447
18
719
05
162
315
23
500
06
116
309
13
438
07
120
302
8
430
08
85
260
4
349
09
94
198
3
295
10
66
132
3
201
11
58
97
3
158
12
65
70
3
138
13
71
63
3
137
14
83
55
0
138
15
89
63
0
152
16
114
113
8
235
17
109
131
18
258
18
176
160
35
371
19
251
277
43
571
20
316
312
75
703
21
425
441
111
977
22
581
672
140
1393
23
709
794
134
1637

Click Here for tabular data (F2+ tornadoes).
Page Updated: Saturday 10-27-2007
If you have comments regarding this information, contact John Hart of the Storm Prediction Center.
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