Radar:       Or click here for map
Radar: Louisville KY
37.97 N - 85.93W
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
5119
238 33
Wind
11973
546 54
Tornadoes
820
223 12
Total
17912
1007 62
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
18
1:73
Sig Severe
28
1:1,295
Tornadoes
55
1:1,591
F2+ Torn
15
1:5,849
* 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: 533%
10 year report increase: 142%
5 year report increase: 136%

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:
6.9 on 29 May

Primary Season:
Mar 30 - Aug 27

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 22 UTC

See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.027%
3661 yrs
41
F2+ Tornado
0.023%
4281 yrs
37
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
55
21
186
42
34
16
123
50
1981
33
19
136
35
8
8
49
43
1982
111
24
237
38
14
9
139
43
1983
57
17
239
46
10
6
77
49
1984
51
18
165
37
23
8
97
42
1985
54
21
185
35
12
8
78
41
1986
68
15
242
46
28
9
124
49
1987
40
20
339
48
15
10
70
52
1988
30
11
61
25
14
9
58
32
1989
111
32
197
49
45
20
201
62
1990
60
25
336
49
60
16
180
57
1991
68
16
337
49
13
8
94
51
1992
76
22
281
49
42
14
160
53
1993
155
32
428
64
17
11
189
67
1994
102
30
266
53
21
8
144
62
1995
245
43
434
59
41
11
327
71
1996
266
43
564
65
56
12
378
74
1997
143
31
438
54
59
17
261
63
1998
262
50
696
63
37
13
336
74
1999
161
40
519
52
25
12
211
65
2000
239
44
825
71
34
17
307
79
2001
185
44
707
76
14
9
213
82
2002
484
51
630
82
35
13
554
89
2003
485
55
778
68
40
13
565
83
2004
310
45
914
59
46
15
402
70
2005
303
47
702
60
33
10
369
71
2006
965
69
1131
88
44
20
1053
101
AVG
190
33
443
54
30
12
663
62


Violent Tornadoes
Date
F
Deaths
Injuries
1980 10-Jul 0235 UTC
F4
2
25
1988 24-Dec 1204 UTC
F4
1
7
1989 07-Jan 2324 UTC
F4
0
55
1990 02-Jun 2245 UTC
F4
0
2
1990 02-Jun 2307 UTC
F4
0
6
1990 02-Jun 2320 UTC
F4
1
12
1990 03-Jun 0050 UTC
F4
1
51
1990 03-Jun 0117 UTC
F4
6
60
1990 03-Jun 0120 UTC
F4
0
9
1990 03-Jun 0300 UTC
F4
0
37
1992 22-Nov 2152 UTC
F4
1
10
1996 28-May 2240 UTC
F4
0
10
1998 11-Jun 2309 UTC
F4
0
4
1999 09-Apr 0912 UTC
F4
4
65
2005 15-Nov 2127 UTC
F4
0
40

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
4
11
1
15
Feb
4
6
0
10
Mar
14
17
2
34
Apr
47
42
5
94
May
53
86
8
147
Jun
32
91
5
128
Jul
15
97
2
113
Aug
11
46
2
58
Sep
4
14
1
18
Oct
1
4
0
6
Nov
5
22
3
29
Dec
0
2
0
2

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
519
1136
104
1759
01
332
995
74
1401
02
263
770
51
1084
03
215
656
32
903
04
130
532
18
680
05
103
415
26
544
06
67
254
21
342
07
49
252
14
315
08
52
192
22
266
09
43
172
18
233
10
35
188
12
235
11
46
150
7
203
12
50
115
6
171
13
47
77
5
129
14
36
75
6
117
15
53
96
8
157
16
64
147
10
221
17
118
207
9
334
18
218
342
18
578
19
363
673
40
1076
20
477
934
63
1474
21
610
1174
74
1858
22
632
1257
73
1962
23
597
1164
109
1870

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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