Radar:       Or click here for map
Radar: Salt Lake City UT
41.25 N - 112.43W
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
368
2 7
Wind
662
94 12
Tornadoes
104
4 3
Total
1134
100 19
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
1:1,150
Sig Severe
N/A
1:13,042
Tornadoes
N/A
1:12,541
F2+ Torn
N/A
1:326,059
* 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: 238%
10 year report increase: 100%
5 year report increase: 120%

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:
0.4 on 21 Aug

Primary Season:
Apr 18 - Sep 17

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:
17% at 22 UTC

See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.001%
84849 yrs
N/A
F2+ Tornado
0.001%
N/A
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
2
2
4
4
1
1
4
6
1981
5
4
5
4
2
2
9
8
1982
0
0
14
10
2
2
4
12
1983
20
6
27
13
1
1
22
14
1984
5
5
23
18
3
2
11
23
1985
9
4
20
14
1
1
11
18
1986
6
4
15
9
5
4
16
15
1987
15
5
14
11
6
5
27
19
1988
0
0
18
12
1
1
2
13
1989
3
3
33
15
8
7
19
23
1990
8
3
19
11
7
5
22
19
1991
12
6
23
12
7
6
26
19
1992
5
4
48
18
3
3
11
23
1993
10
5
44
18
10
8
30
23
1994
6
5
52
23
1
1
8
28
1995
21
16
22
14
6
5
33
26
1996
25
14
15
8
4
3
33
19
1997
61
24
16
9
3
3
67
32
1998
31
18
29
17
9
7
49
37
1999
6
4
4
4
2
2
10
7
2000
16
8
11
6
4
1
24
11
2001
17
9
18
11
5
5
27
18
2002
14
8
22
15
1
1
16
21
2003
8
3
22
12
4
2
16
13
2004
19
14
28
13
1
1
21
25
2005
21
11
53
20
5
4
31
26
2006
23
16
63
12
2
2
27
25
AVG
14
7
25
12
4
3
42
19


Violent Tornadoes
Date
F
Deaths
Injuries

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
0
0
0
0
Feb
0
0
0
1
Mar
0
2
0
2
Apr
1
2
0
2
May
2
4
1
6
Jun
3
4
1
8
Jul
2
6
0
9
Aug
4
5
1
10
Sep
2
2
0
4
Oct
0
0
0
0
Nov
0
0
0
0
Dec
0
0
0
0

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
34
96
11
141
01
20
80
8
108
02
17
58
3
78
03
11
46
5
62
04
5
35
2
42
05
3
7
0
10
06
1
7
0
8
07
1
2
0
3
08
3
4
0
7
09
2
1
0
3
10
1
1
0
2
11
0
1
1
2
12
2
1
0
3
13
1
0
0
1
14
2
3
0
5
15
4
4
0
8
16
4
4
2
10
17
3
5
0
8
18
7
12
4
23
19
27
15
12
54
20
49
27
7
83
21
63
42
11
116
22
67
106
15
188
23
41
105
23
169

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