Radar:       Or click here for map
Radar: Central Penn (State College) PA
40.92 N - 78.00W
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
2809
 83 26
Wind
10612
 193 48
Tornadoes
594
 118 10
Total
14015
 394 53
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
47
1:93
Sig Severe
75
1:3,310
Tornadoes
75
1:2,196
F2+ Torn
50
1:11,053
* 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: 163%
10 year report increase: 7%
5 year report increase: 27%
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 08 Jul

Primary Season:
Apr 27 - Sep 05
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:
13% at 22 UTC
See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.028%
3551 yrs
39
F2+ Tornado
0.023%
4391 yrs
40
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
43
24
115
41
21
15
85
49
1981
7
6
49
22
17
11
41
27
1982
10
6
101
31
8
6
26
32
1983
48
15
183
39
17
10
82
45
1984
23
10
74
25
7
3
37
27
1985
108
16
133
29
34
9
176
35
1986
48
18
236
41
7
7
62
45
1987
35
14
166
37
8
5
51
38
1988
61
17
273
39
8
5
77
42
1989
26
13
274
38
9
7
44
43
1990
81
21
449
48
32
14
145
53
1991
89
28
527
50
25
9
139
59
1992
52
30
397
51
38
16
128
60
1993
130
34
381
47
23
14
176
57
1994
119
43
529
78
40
22
199
82
1995
81
24
670
61
17
10
115
65
1996
149
36
525
66
41
12
231
70
1997
66
20
388
37
23
10
112
43
1998
207
32
640
54
74
15
355
60
1999
119
32
603
53
11
9
141
56
2000
248
38
530
52
9
8
266
60
2001
132
22
451
48
18
11
168
52
2002
225
43
625
58
22
11
269
66
2003
111
39
598
53
16
6
143
64
2004
191
46
574
68
48
11
287
75
2005
136
33
627
62
14
5
164
70
2006
264
36
494
60
7
5
278
62
AVG
104
26
393
48
22
10
519
53


Violent Tornadoes
Date
F
Deaths
Injuries
1980 03-Jun 1630 UTC
F4
0
140
1985 31-May 2059 UTC
F4
12
82
1985 31-May 2117 UTC
F4
16
125
1985 31-May 2125 UTC
F4
0
0
1985 31-May 2230 UTC
F5
18
310
1985 31-May 2230 UTC
F4
7
30
1985 31-May 2335 UTC
F4
0
0
1985 31-May 2359 UTC
F4
4
40
1998 03-Jun 0102 UTC
F4
0
5

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
0
3
0
4
Feb
0
2
0
2
Mar
1
7
0
8
Apr
13
20
2
34
May
24
52
3
79
Jun
26
89
5
120
Jul
22
107
5
135
Aug
12
65
3
79
Sep
4
21
2
27
Oct
1
8
0
9
Nov
1
17
1
19
Dec
0
3
0
3

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
221
1052
64
1337
01
137
714
43
894
02
80
490
34
604
03
44
343
10
397
04
24
186
7
217
05
15
162
9
186
06
21
106
0
127
07
12
90
0
102
08
18
51
2
71
09
16
61
2
79
10
7
56
2
65
11
5
67
1
73
12
15
50
1
66
13
14
62
3
79
14
13
94
3
110
15
31
118
8
157
16
48
167
8
223
17
72
239
13
324
18
178
462
27
667
19
316
842
44
1202
20
377
1217
79
1673
21
402
1358
82
1842
22
387
1378
83
1848
23
356
1247
69
1672

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.
Go to SPC web page Go to NWS web site Go to NOAA web site