Event Details	SFC	LI       SBCAPE	850mb	700mb	500mb (400)	jet level	Skew T	Affected States	Pictures	Surface obs
05-02-42	1830Z		X	X		X	X	OK KS	X
06-12-42	0Z 13	-13  to -16	X	X		X	X	OK	X	OKC
06-03-43	0030Z		X	X		X	X	OK	X	SPS
01-26-44	0030Z		X	X		X	X	OK	X
04-09-44	2130Z		X	X		X	X	OK KS	X
04-12-45	2030Z		X	X		X	X	OK MO IL	X
05-18-46	0030Z	-14	X	X	04Z 19	X	X	TX	X
04-09-47	15Z     18Z  21Z     00Z   03Z	-8 to 11	X	X	03Z 10	X	X	OK TX\ KS	X	PAMPA
05-11-47	2130Z		X	X		XX	X	OK TX	X
05-31-47	0030Z		X	X		XX	X	OK TX	HIGGINS
03-18-48	0030Z	-7 1100-1400	X	X	15Z    03Z	X	X	OK	X
03-20-48	2130Z	-5 to 6 1400	X	X	15Z    03Z	X	X	OK	X
03-25-48	2230Z	-7 to -8 2300	X	X	15Z    03Z	X	X	OK	X
05-03-48	1730Z	-11 to -14 4300-5500	X	X	15Z	X	X	TX OK	X
06-21-48	2230Z	?	X	X	03Z    15Z   03Z 22	X	X	OK KS	X
03-30-49	2330Z   0530Z	-5	X	X	15Z     03Z	X	X	OK KS	X
04-30-49	2030Z	-8	X	X	15Z    3Z 01	XX	X	OK TX	X
05-20-49	1930Z   2130Z	-10 to -13	X	X	03Z    15Z   03Z	X	X	CO OK KS NE TX	X	GAG DDC LAR
10-09-49	1930Z     00Z	-8	X	X	15      3Z  15Z	X	X	OK KS NE	X
04-28-50	1930Z	-8 to -10	X	X	15Z     03Z	X	X	TX OK	X
05-04-50	23    4    9   13    19	-11 TX	X	X	03Z     15Z	X	X	TX OK KS	X
05-18-51	2030Z				03Z    15Z    03Z			TX
06-06-51	21Z		X	X	15Z       03Z	X	X	TX OK KS	X
06-08-51	2230Z		X		15Z       03Z	X	X	OK	X
03-13-53	1830Z		X	X	15Z     03Z	X	X	TX OK	X
05-01-54	1930Z	-8 to -9	X	X	15Z	15Z	X	TX OK	X
06-01-54	2330Z	-10	X	X	15Z     03Z		X	TX OK	X
05-25-55	2030Z    030Z	-10 TX -9 to -11 OK-KS	X	21Z	21Z 03Z	21Z	21Z Tinker	OK KS	X
06-17-55	1730Z	-10	X	15Z	03Z     15Z   03Z	15Z	X	TX OK KS	XX
04-02-56	22Z     00Z	-8 to -10	X	03Z	15Z      03Z	03Z	X	OK KS	X
04-08-56	21Z    02Z  4Z	elevated	X	3Z	3Z      15Z  3Z	3Z	X	OK	X
01-22-57	1130Z	-6 to -7	X	15Z	09Z     15Z	15Z	09Z DFW	OK LA	X
04-02-57	2130Z	-10 to -11	X	21Z	15Z     21Z	21Z	21Z DFW	OK TX	X
05-20-57	1930Z	-8 to -11	X	03Z 21	15Z 20     21Z 20 03Z 21	15Z 20 03Z 21	X	NE KS MO	X	CNK
05-24-57	1230Z 1530Z   1730Z 2130Z	-10	X	15Z	15Z     03Z	15Z	X	WY TX NM OK	X
09-14-57	23Z	-7 to -8	X		00Z 15		X	OK	X
11-17-58	11Z	-7 to -10	X	12Z	00Z    12Z   00Z	12Z	sndgs	KS OK MO TX	X
05-04-60	20Z	-7 to -8	X	00Z	12Z      00Z	00Z	X	OK TX	X
05-05-60	20Z	-7 to -9	X	00Z	12Z     00Z	00Z	X	OK AR	X
02-17-61	22Z	-6 to -8	X	00Z	12Z    00Z	00Z	X	OK	X
05-04-61	20Z	-10 to-11	X	00Z	12Z    00Z	00Z	X	OK TX	X
05-25-62	21Z		X	00Z	12Z    00Z	00Z	X		X
05-26-62	23Z		X	00Z	12Z     00Z	00Z	X	OK TX	X
04-03-64	20Z	-11 to-13	X	00Z 4	12Z 3     00Z 4	00Z 4	X	TX	X
05-05-64	21Z	-11	X	00Z 06	12Z 05   00Z 06	00Z 06	X	MN  to OK	X
11-14-64	22Z	-6 to -7	X	00Z 15	12Z    00Z 15	00Z 15	X	KS OK	X
03-16-65	21Z	-5 to -7	X	00Z 17	00Z 17	00Z 17	X	KS OK TX	X
05-06-65	00Z		X	00Z 7	00Z 7	00Z 7	X	MN TX OK	X
05-25-65	21Z	-7 to -8	X	00Z	12Z     00Z	00Z	X	OK TX NE KS	PrattTOR	DDC
01-25-67	00Z	-4 to -6	X	0Z26	00Z   12Z   00Z26	0Z26	X	OK	X
06-10-67	21Z		X	00Z	12Z     00Z	00Z	X	OK CO KS	X
04-02-68	22Z	-7 to -8	X	00Z	12Z     00Z	00Z	X	TX  OK	X
05-13-68	19Z	-10	X	00Z	12Z    00Z	00Z	X	KS OK NE	Gov1    Gov2
06-23-69	21Z	-11 to -13	X	00Z	12Z    00Z	00Z	X	OK KS	X	GAG-ICT-IAB
06-11-70	19Z	-6 to-8	X		00Z 12		X	OK AR	X
04-30-72	21Z	-10 to -12	X	00Z 01	12Z 30  00Z 01	00Z 01	X	KS	X
03-13-73	20Z	-6 to-7 OK	X		12Z     00Z		X	OK KS	X
06-18-73	21Z		X	00Z	12Z      00Z	00Z	X	OK	X
11-19-73	00Z 20	-9	X	0Z	12Z      0Z  12Z 20	0Z	X	KS OK	X
06-08-74	19Z	-9 to-10OK -8 KS	X	0Z	0Z      12Z   0Z	0Z	X	OK KS
02-22-75	04Z	elevated	X	00Z	00Z    12Z	00Z	X	OK
03-26-75	21Z    00Z  03Z 05Z	-8 to -10	X	00Z	00Z    12Z	00Z	X	TX
06-13-75	23Z		X	00Z	12Z     00Z	00Z	X	OK
04-17-76	00Z     07Z	-6 to -7	X	00Z	12Z      00Z 12Z	00Z	X	KS OK TX
04-19-76	21Z		X	00Z	12Z      00Z	00Z	X	TX OK
05-15-77	21Z   0Z	-7 to -8	X	0Z16	00Z15   12Z 00Z16	0Z16	X	OK
04-10-79	16Z    19Z 21Z    23Z 23Zmax	-8 to -9	X	00Z	12Z       00Z	00Z	X	OK TX
05-17-81	23Z	-8 to -9	X	00Z	12Z    00Z	00Z	X	OK
05-22-81	22Z	-11	X	00Z	00Z	00Z	OKC	OK		OKC
05-11-82	22Z	-8 to -10	X	00Z	00Z	00Z	X	TX OK
04-26-84 04-26-84(2)	23Z	-7 to-10OK -6 to -9MN	X	0Z	12     0Z  12Z	0Z	X	MN IA OK KS
04-29-84	20Z	-8 to -10	X	12	12      0Z	12	X	OK KS MO
04-21-85	23Z	-8 to -9	X	00Z 22	00Z 22	00Z 22	X	TX MN
04-26-86	21Z	-8 to -9	X		12Z    00Z		X	MN SD OK NE
05-14-86	21Z	-10 to -11	X	00Z	12Z    00Z	00Z	X	TX OK
03-22-87	21Z		X	00Z	12Z     00Z	00Z	X	TX OK
03-13-90	21Z		X	00Z 14	00Z 14	00Z 14	X	OK KS NE IA
04-24-90	23Z		X		00Z 25		X	OK TX
05-15-90	22Z		X		00Z 16		X	OK
03-26-91	22Z		X		12Z     00Z		X	OK KS
04-26-91	23Z		X				X	NE KS OK
05-15-91	00Z		X		12Z      00Z		X	TX  OK KS
05-16-91	19Z		XX		12Z    00Z		X	OK KS
05-26-91	22Z		XX		12Z     00Z			OK
06-13-98	22Z
05-03-99	21Z        21Z				00Z			OK KS