Historical Tornado Cases for the Boulder 

Warning Area

May 7  1965
June 8  1947
June 14-17, 1965


Event Details SFC LI      
SBCAPE      
850mb 700mb 500mb (400) jet level  Skew T  Affected States Pictures Surface obs
05-09-41 1830Z TX CO
04-10-43 2130Z CO
06-06-47 1830Z CO
06-08-47 18Z 7th
00Z        09Z
12Z       15Z
18Z       21Z
-10 to -11
4600
15Z 8
03Z 9
approx. CO LOGAN  F4
06-17-49 2130Z -8 to -9
3800
15Z 15Z    03Z CO AKO
06-16-50 21Z ? 15Z  15Z     03Z CO
08-05-50 2130Z -10
4100
15Z 15Z     03Z CO
07-04-51 1830Z     
2130Z
-8 to -10
4400
21Z 15Z     03Z 15Z WY  CO AKO
06-26-52 18Z  CO AKO
06-07-53 2030Z -10 15Z
21Z     03Z
CO NE KS IA MN
06-08-58
07-16-58
07-20-58
05-29-59
05-17-60
06-20-60 21Z -8 to -9
4900
X 00Z 21 12Z 21
00Z 21
00Z 21 X NE CO X
06-27-60 21Z -9 to -10
3700
X 00Z 28 12Z 27
00Z 28
00Z 28 X NE CO X
05-20-61
05-07-65 07Z  8 ? X 00Z 00Z   12Z X CO WY  KS X
05-25-65
06-16-65 20Z -6 
2800
12Z     00Z 0Z     12Z  0Z 12Z     00Z CO COS
06-04-66
06-04-67
06-06-67
06-14-67
05-23-68
06-03-71
05-22-72
06-22-72
05-10-75
06-13-77 18Z  -7
2700
12Z     00Z  12Z       0Z 12Z     00Z CO
08-14-77
06-19-80
06-03-81 18Z -7
2600
12Z 3 12Z   12Z 3 CO
06-13-81
05-29-82
06-02-83
06-04-83
04-19-84
04-25-84 20Z -6 to -7 00Z CO NE
05-24-84 00Z
06-12-84
07-19-85 21Z CO
09-18-86 21Z -7
2500
X 00Z 19 00Z 19 00Z 19 X WY CO  X
06-15-88 19Z -7 to -9
2300-3100
12Z 15
00Z 16
12Z 15
00Z 16

CO DENTOR
06-06-90 16Z
22Z
-6.5
2400
12Z 6
00Z 7
00Z 7 12Z 6
00Z 7
approx. CO
06-09-90 21Z
22Z

00Z
CO
06-14-90 18Z
22Z
-9
3200-3400
00Z 00Z 00Z CO
06-15-90 21Z
23Z
00Z 00Z 00Z NE CO
05-29-91
05-31-91
07-21-93 20Z     21Z -8
2900
00Z      12Z   00Z 00Z CO WY co1  co2  co3  co4
05-30-96 12Z
15Z     18Z
       20Z
-10 to -11
3800-4400
00Z 00Z 00Z CO
07-05-00 00Z 6 00Z 6 00Z 6   (0Z) 00Z 6 approx. CO
05-10-04 15Z
18Z
21Z
00Z 11
-7
2800
00Z 11 0Z       (00)
00Z 11
00Z(300)
approx. CO Vern Carlson's

Vern Carlson
more pics



Patrick Burke's