Radar:       Or click here for map
Radar: Birmingham AL
33.17 N - 86.77W
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
6095
217 38
Wind
8598
251 62
Tornadoes
1027
221 13
Total
15720
689 72
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
36
1:83
Sig Severe
50
1:1,893
Tornadoes
35
1:1,270
F2+ Torn
16
1:5,902
* 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: 276%
10 year report increase: 86%
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:
5.7 on 03 May

Primary Season:
Mar 03 - Aug 25

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
0.056%
1778 yrs
6
F2+ Tornado
0.048%
2091 yrs
7
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
33
18
93
41
27
19
87
53
1981
23
13
87
31
12
7
47
35
1982
75
22
96
43
26
15
127
56
1983
32
16
208
56
44
22
120
64
1984
94
29
193
45
54
17
202
60
1985
79
21
280
46
44
13
167
53
1986
52
21
230
57
21
9
94
63
1987
44
19
140
40
6
5
56
51
1988
138
23
186
54
30
15
198
61
1989
118
32
350
64
36
15
190
77
1990
105
34
468
71
23
8
151
76
1991
105
24
341
60
16
10
137
63
1992
86
24
377
67
42
8
170
73
1993
99
35
179
57
16
5
131
67
1994
133
26
266
58
42
15
217
67
1995
258
63
438
85
41
19
340
104
1996
245
47
334
72
34
14
313
85
1997
396
51
351
67
26
16
448
78
1998
596
55
363
69
47
11
690
85
1999
375
64
355
76
19
8
413
92
2000
345
57
537
83
41
13
427
88
2001
281
49
463
72
56
12
393
81
2002
345
52
384
85
34
12
413
92
2003
580
55
532
62
52
12
684
73
2004
202
50
454
61
65
13
332
72
2005
664
54
425
72
94
18
852
86
2006
592
66
468
81
79
12
750
97
AVG
226
38
318
62
38
13
582
72


Violent Tornadoes
Date
F
Deaths
Injuries
1986 12-Mar 1906 UTC
F4
0
8
1989 15-Nov 2230 UTC
F4
21
463
1992 22-Nov 0527 UTC
F4
12
122
1992 22-Nov 1644 UTC
F4
0
46
1994 27-Mar 1655 UTC
F4
22
150
1994 27-Mar 1814 UTC
F4
3
20
1995 18-May 2152 UTC
F4
3
32
1995 18-May 2233 UTC
F4
1
55
1998 09-Apr 0042 UTC
F5
32
259
2000 16-Dec 1854 UTC
F4
11
144
2001 24-Nov 1919 UTC
F4
0
22

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
8
11
2
21
Feb
11
20
2
33
Mar
35
28
5
69
Apr
62
40
6
108
May
47
39
5
91
Jun
21
46
2
69
Jul
14
58
1
73
Aug
10
36
2
48
Sep
2
7
3
12
Oct
2
3
1
6
Nov
6
17
7
30
Dec
5
10
2
18

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
531
772
81
1384
01
437
568
57
1062
02
335
381
51
767
03
238
285
39
562
04
215
237
29
481
05
154
185
31
370
06
107
158
23
288
07
98
158
19
275
08
68
142
29
239
09
50
140
34
224
10
55
155
23
233
11
65
130
28
223
12
59
126
20
205
13
65
154
28
247
14
44
125
14
183
15
80
142
15
237
16
74
174
22
270
17
134
213
31
378
18
218
317
56
591
19
403
546
84
1033
20
565
688
78
1331
21
670
931
70
1671
22
755
951
74
1780
23
675
920
91
1686

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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