Radar:       Or click here for map
Radar: Marquette MI
46.52 N - 87.53W
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
863
52 10
Wind
1339
108 12
Tornadoes
105
19 3
Total
2307
179 17
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
1:565
Sig Severe
N/A
1:7,286
Tornadoes
N/A
1:12,421
F2+ Torn
N/A
1:68,644
* 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: 525%
10 year report increase: 73%
5 year report increase: 36%

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:
1.5 on 31 Jul

Primary Season:
May 12 - Aug 31

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:
12% at 23 UTC

See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.011%
8827 yrs
71
F2+ Tornado
0.011%
9207 yrs
63
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
12
7
15
11
7
4
26
14
1981
9
3
7
3
5
1
19
4
1982
8
4
23
5
1
1
10
8
1983
5
3
42
16
3
3
11
18
1984
5
4
30
12
8
4
21
15
1985
35
11
20
9
3
1
41
14
1986
16
8
8
5
4
3
24
12
1987
3
3
49
11
6
4
15
15
1988
14
12
23
11
7
5
28
19
1989
7
4
7
5
1
1
9
8
1990
4
3
10
5
0
0
4
8
1991
12
6
44
11
4
3
20
13
1992
9
4
19
8
3
3
15
10
1993
5
3
11
6
4
2
13
10
1994
17
7
31
11
5
5
27
16
1995
33
8
107
17
2
2
37
18
1996
44
16
54
13
3
3
50
23
1997
28
9
53
14
6
3
40
17
1998
55
17
68
21
3
3
61
29
1999
40
17
159
16
1
1
42
23
2000
60
16
60
18
5
4
70
24
2001
52
12
75
16
2
2
56
18
2002
141
20
164
20
11
5
163
28
2003
53
15
34
15
1
1
55
21
2004
73
16
40
14
7
2
87
22
2005
25
15
109
21
3
2
31
29
2006
98
26
77
21
0
0
98
30
AVG
32
10
50
12
4
3
85
17


Violent Tornadoes
Date
F
Deaths
Injuries

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
0
0
0
0
Feb
0
0
0
0
Mar
1
0
0
1
Apr
4
1
0
5
May
4
3
0
8
Jun
5
10
1
16
Jul
11
19
1
31
Aug
4
10
1
15
Sep
3
4
0
7
Oct
1
1
0
2
Nov
0
0
0
0
Dec
0
0
0
0

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
87
138
14
239
01
69
112
15
196
02
31
82
10
123
03
38
48
9
95
04
22
59
2
83
05
12
12
2
26
06
14
22
0
36
07
12
31
0
43
08
8
23
0
31
09
6
33
0
39
10
13
53
0
66
11
8
33
1
42
12
8
21
0
29
13
19
20
0
39
14
14
26
0
40
15
18
24
1
43
16
29
31
1
61
17
16
34
0
50
18
31
37
3
71
19
44
61
2
107
20
89
73
9
171
21
84
101
17
202
22
98
100
11
209
23
93
165
8
266

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