Radar:       Or click here for map
Radar: Houston Galveston TX
29.47 N - 95.07W
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
2278
103 24
Wind
3061
108 32
Tornadoes
891
91 14
Total
6230
302 46
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
1:209
Sig Severe
N/A
1:4,319
Tornadoes
50
1:1,464
F2+ Torn
63
1:14,332
* 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: 130%
10 year report increase: -11%
5 year report increase: -19%

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:
2.3 on 14 May

Primary Season:
Mar 08 - Jun 26

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 22 UTC

See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.012%
8313 yrs
69
F2+ Tornado
0.009%
10994 yrs
69
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
29
15
58
26
29
19
87
41
1981
58
12
109
25
35
21
128
39
1982
11
6
42
21
23
11
57
28
1983
38
7
64
22
99
21
236
35
1984
37
15
52
21
17
12
71
34
1985
42
18
60
30
4
4
50
41
1986
40
16
52
16
10
7
60
27
1987
22
15
94
27
14
6
50
39
1988
9
9
37
20
9
7
27
27
1989
34
16
55
22
18
9
70
30
1990
36
18
79
31
18
13
72
44
1991
67
23
69
33
48
17
163
50
1992
64
23
89
30
56
25
176
51
1993
80
24
61
28
29
10
138
43
1994
76
22
116
37
44
16
164
49
1995
148
41
239
44
40
19
228
62
1996
107
41
139
41
17
11
141
56
1997
139
39
211
51
49
18
237
71
1998
159
33
201
39
49
15
257
57
1999
160
35
134
32
50
22
260
52
2000
161
32
250
48
28
11
217
58
2001
101
32
164
40
25
13
151
57
2002
119
28
198
34
34
10
187
45
2003
136
30
109
31
54
20
244
58
2004
161
37
160
37
57
20
275
57
2005
143
30
113
39
7
5
157
51
2006
101
28
106
32
28
10
157
51
AVG
84
24
113
32
33
14
231
46


Violent Tornadoes
Date
F
Deaths
Injuries
1992 21-Nov 2127 UTC
F4
0
16

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
5
4
3
12
Feb
6
7
2
15
Mar
11
8
2
21
Apr
20
11
3
33
May
20
22
7
49
Jun
7
13
3
22
Jul
3
11
1
15
Aug
3
13
2
18
Sep
1
6
1
8
Oct
1
4
3
8
Nov
3
8
5
16
Dec
3
5
2
10

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
219
226
58
503
01
187
174
49
410
02
149
133
29
311
03
117
121
19
257
04
82
114
24
220
05
63
117
11
191
06
46
117
19
182
07
56
109
22
187
08
47
99
17
163
09
43
116
22
181
10
41
85
21
147
11
33
114
16
163
12
33
106
17
156
13
42
67
33
142
14
41
54
27
122
15
36
66
35
137
16
33
58
43
134
17
40
80
30
150
18
47
92
41
180
19
75
109
48
232
20
161
159
82
402
21
196
220
76
492
22
253
280
87
620
23
238
245
65
548

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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