Radar:       Or click here for map
Radar: Flagstaff AZ
34.57 N - 111.18W
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
394
 10 9
Wind
693
 88 15
Tornadoes
81
 3 2
Total
1168
 101 22
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
1:1,117
Sig Severe
N/A
1:12,913
Tornadoes
N/A
1:16,102
F2+ Torn
N/A
1:434,745
* 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: 103%
10 year report increase: -19%
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:
0.8 on 15 Aug

Primary Season:
Jun 29 - Sep 20
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 01 UTC
See hourly table below

Climatological Threat Potential
Threat
Avg Prob of Occurrence
Return Interval
Natl Rank
Any Tornado
0.000%
N/A
N/A
F2+ Tornado
0.000%
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
0
0
11
8
1
1
2
9
1981
4
4
9
6
3
2
10
10
1982
5
4
11
7
0
0
5
10
1983
4
1
28
12
2
2
8
13
1984
1
1
13
8
2
2
5
10
1985
2
1
8
6
3
1
8
8
1986
7
5
29
21
2
2
11
28
1987
7
3
14
9
1
1
9
11
1988
1
1
20
15
1
1
3
16
1989
0
0
13
10
1
1
2
11
1990
4
4
23
19
2
2
8
22
1991
2
2
11
8
1
1
4
11
1992
13
8
25
18
11
5
35
25
1993
8
4
14
10
7
6
22
17
1994
15
11
42
22
2
2
19
28
1995
14
8
32
16
3
3
20
24
1996
28
15
64
23
3
3
34
32
1997
16
11
51
19
4
3
24
26
1998
28
17
38
20
1
1
30
32
1999
33
11
36
20
5
3
43
27
2000
16
11
22
16
0
0
16
22
2001
28
21
35
19
3
2
34
34
2002
23
11
23
13
0
0
23
20
2003
33
20
32
18
9
7
51
36
2004
25
16
30
17
2
2
29
25
2005
40
21
24
16
7
4
54
33
2006
37
23
35
27
5
5
47
46
AVG
15
9
26
15
3
2
43
22


Violent Tornadoes
Date
F
Deaths
Injuries

Monthly Averages
Month
Hail
Wind
Torn
Total
Jan
0
0
0
1
Feb
0
0
0
1
Mar
0
0
0
1
Apr
0
0
0
0
May
0
1
0
1
Jun
0
1
0
2
Jul
3
8
0
11
Aug
4
11
0
15
Sep
4
4
1
9
Oct
1
1
0
2
Nov
0
0
0
0
Dec
0
0
0
0

Hourly Averages
UTC
Hail
Wind
Torn
Total
00
63
74
14
151
01
35
114
4
153
02
18
112
5
135
03
13
88
1
102
04
8
53
0
61
05
3
42
1
46
06
1
21
0
22
07
0
7
0
7
08
4
12
0
16
09
1
9
0
10
10
2
4
0
6
11
1
1
0
2
12
2
1
0
3
13
3
0
0
3
14
1
1
1
3
15
6
5
2
13
16
4
3
2
9
17
4
5
5
14
18
18
9
4
31
19
31
10
6
47
20
38
7
10
55
21
46
17
9
72
22
42
37
12
91
23
50
61
5
116

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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