Radar:       Or click here for map
Radar: Austin San Antonio TX
29.70 N - 98.02W
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
3717
 305 31
Wind
2808
 184 32
Tornadoes
731
 71 12
Total
7256
 560 49
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
N/A
1:180
Sig Severe
61
1:2,329
Tornadoes
62
1:1,784
F2+ Torn
74
1:18,370
* 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: 204%
10 year report increase: 12%
5 year report increase: 17%
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:
3.2 on 10 May

Primary Season:
Feb 22 - Jun 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:
10% at 00 UTC
See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.006%
16437 yrs
N/A
F2+ Tornado
0.004%
23358 yrs
N/A
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
127
23
130
36
36
12
199
46
1981
96
15
68
23
37
19
170
44
1982
75
19
87
18
15
7
105
29
1983
60
17
73
24
39
17
138
41
1984
69
23
60
27
13
9
95
42
1985
67
18
61
30
6
4
79
34
1986
65
25
58
24
7
4
79
38
1987
59
29
81
29
15
8
89
44
1988
53
21
44
20
16
4
85
33
1989
79
24
63
22
10
6
99
29
1990
51
27
93
34
9
9
69
52
1991
110
29
86
40
44
20
198
56
1992
160
38
92
32
40
25
240
63
1993
159
32
66
24
17
11
193
48
1994
116
42
101
38
42
16
200
67
1995
188
41
151
42
27
13
242
59
1996
173
40
153
41
28
13
229
56
1997
195
40
171
55
34
15
263
68
1998
282
43
163
38
44
20
370
62
1999
167
33
109
29
21
13
209
44
2000
225
42
148
42
38
15
301
60
2001
167
38
133
35
38
7
243
49
2002
196
35
146
32
42
15
280
48
2003
113
31
138
27
26
16
165
52
2004
169
38
120
37
50
17
269
59
2005
240
28
100
27
11
7
262
44
2006
256
42
113
34
26
11
308
57
AVG
138
31
104
32
27
12
269
49


Violent Tornadoes
Date
F
Deaths
Injuries
1989 17-May 0508 UTC
F4
0
0
1997 27-May 2040 UTC
F5
27
12
1997 27-May 2150 UTC
F4
1
5
1999 11-May 2305 UTC
F4
1
6

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
4
1
1
6
Feb
9
5
1
16
Mar
21
9
2
32
Apr
31
11
2
44
May
42
26
7
74
Jun
12
17
2
31
Jul
1
6
1
8
Aug
2
9
2
13
Sep
3
7
2
11
Oct
4
5
2
10
Nov
4
5
3
12
Dec
3
3
1
7

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
421
228
58
707
01
409
210
78
697
02
335
199
37
571
03
243
195
23
461
04
173
148
27
348
05
143
155
11
309
06
122
126
10
258
07
112
120
14
246
08
69
118
9
196
09
60
82
14
156
10
66
63
18
147
11
42
58
8
108
12
41
59
9
109
13
49
56
16
121
14
56
41
13
110
15
56
46
26
128
16
55
44
34
133
17
56
41
26
123
18
68
62
30
160
19
100
76
41
217
20
137
104
47
288
21
187
137
50
374
22
332
215
72
619
23
385
225
60
670

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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