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Clay County Natural Disasters and Weather Extremes

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The chance of earthquake damage in Clay County is about the same as Texas average and is much lower than the national average. The risk of tornado damage in Clay County is higher than Texas average and is much higher than the national average.

Topics:Earthquake Index Volcano Index Tornado Index Other Weather Extremes Events Volcanos Nearby Historical Earthquake Events Historical Tornado Events

Earthquake Index, #22

Clay County	0.08
Texas	0.04
U.S.	1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #1

Clay County	0.0000
Texas	0.0000
U.S.	0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #56

Clay County	230.86
Texas	208.58
U.S.	136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 18,537 other weather extremes events within 50 miles of Clay County were recorded from 1950 to 2010. The following is a break down of these events:

Type	Count	Type	Count	Type	Count	Type	Count	Type	Count
Avalanche:	0	Blizzard:	4	Cold:	8	Dense Fog:	8	Drought:	92
Dust Storm:	1	Flood:	1,170	Hail:	10,542	Heat:	25	Heavy Snow:	62
High Surf:	0	Hurricane:	0	Ice Storm:	37	Landslide:	0	Strong Wind:	74
Thunderstorm Winds:	6,065	Tropical Storm:	1	Wildfire:	16	Winter Storm:	39	Winter Weather:	36
Other:	357

Volcanos Nearby

No volcano is found in or near Clay County.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Clay County.

No historical earthquake events found in or near Clay County.

Historical Tornado Events

A total of 74 historical tornado events that had recorded magnitude of 2 or above found in or near Clay County.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
2.7	1955-04-05	2	33°49'N / 98°11'W				0	0	3K	0	Clay
11.8	1958-04-02	3	33°54'N / 98°26'W	33°57'N / 98°14'W	12.10 Miles	333 Yards	0	0	250K	0	Clay
13.5	1979-04-10	4	33°55'N / 98°26'W	34°02'N / 98°07'W	19.90 Miles	1320 Yards	0	40	0K	0	Clay
16.2	1954-05-01	2	33°33'N / 98°09'W	33°34'N / 98°08'W	1.30 Miles	67 Yards	0	0	0K	0	Clay
16.3	1986-05-14	3	33°34'N / 98°25'W	33°34'N / 98°13'W	9.00 Miles	250 Yards	0	0	2.5M	0	Clay
16.3	1951-04-20	2	33°55'N / 98°27'W		1.50 Miles	17 Yards	0	0	25K	0	Wichita
16.5	1958-04-02	3	33°54'N / 98°30'W	33°54'N / 98°26'W	4.30 Miles	333 Yards	1	14	250K	0	Wichita
17.1	1964-04-03	5	33°54'N / 98°30'W	33°56'N / 98°26'W	4.70 Miles	500 Yards	7	111	25.0M	0	Wichita
18.4	1955-05-26	2	33°55'N / 98°30'W	33°55'N / 98°29'W	1.30 Miles	33 Yards	0	0	25K	0	Wichita
19.4	1953-08-11	2	33°56'N / 98°30'W	33°56'N / 98°30'W			0	0	250K	0	Wichita
19.4	1979-04-10	4	33°50'N / 98°38'W	33°55'N / 98°26'W	12.90 Miles	1760 Yards	42	1700	250.0M	0	Wichita
19.4	1956-08-08	2	34°04'N / 98°13'W		2.00 Miles	50 Yards	0	0	3K	0	Clay
20.7	1962-04-26	3	33°59'N / 98°30'W	34°00'N / 98°27'W	3.30 Miles	100 Yards	0	13	2.5M	0	Wichita
21.0	1961-04-08	2	33°57'N / 98°31'W	33°59'N / 98°30'W	3.00 Miles	33 Yards	0	2	25K	0	Wichita
22.3	1955-04-06	3	33°28'N / 98°16'W	33°28'N / 98°02'W	13.50 Miles	33 Yards	0	0	250K	0	Clay
22.9	1958-11-17	2	33°54'N / 98°36'W	33°57'N / 98°33'W	4.90 Miles	200 Yards	0	0	25K	0	Wichita
23.3	1958-04-02	3	33°39'N / 97°54'W	33°52'N / 97°43'W	18.20 Miles	300 Yards	0	1	25K	0	Montague
24.1	1979-04-10	4	34°02'N / 98°07'W	34°11'N / 97°59'W	12.80 Miles	1320 Yards	0	0	250K	0	Jefferson
24.2	1955-04-06	3	33°26'N / 98°24'W	33°28'N / 98°16'W	8.20 Miles	33 Yards	0	0	250K	0	Jack
24.7	1979-04-10	4	33°49'N / 98°39'W	33°50'N / 98°38'W	1.30 Miles	880 Yards	0	0	3K	0	Archer
25.7	1986-05-14	3	33°32'N / 98°42'W	33°34'N / 98°25'W	11.00 Miles	250 Yards	0	4	2.5M	0	Archer
25.8	1959-11-03	2	33°34'N / 97°51'W		0.50 Mile	33 Yards	0	0	25K	0	Montague
25.8	1954-06-01	3	33°57'N / 98°40'W	33°57'N / 98°34'W	5.90 Miles	50 Yards	1	4	250K	0	Wichita
27.4	1961-04-08	3	33°36'N / 98°38'W		1.00 Mile	33 Yards	0	1	0K	0	Archer
27.5	1954-05-01	3	34°10'N / 98°15'W	34°12'N / 98°07'W	8.00 Miles	300 Yards	0	0	250K	0	Cotton
28.5	1964-08-26	2	33°47'N / 97°43'W		0.10 Mile	17 Yards	0	0	25K	0	Montague
29.6	1959-08-30	2	34°10'N / 98°27'W				0	0	25K	0	Cotton
30.2	1957-04-02	2	33°56'N / 97°43'W		2.00 Miles	33 Yards	0	1	25K	0	Montague
31.1	1969-04-16	2	34°09'N / 98°36'W	34°16'N / 98°12'W	24.20 Miles	33 Yards	0	1	25K	0	Cotton
31.1	1951-05-09	2	33°56'N / 98°41'W	33°56'N / 98°46'W	4.90 Miles	33 Yards	0	0	25K	0	Wichita
31.8	1965-04-14	3	33°52'N / 97°40'W		1.00 Mile	200 Yards	0	0	0K	0	Montague
31.9	1962-05-26	4	34°09'N / 98°27'W	34°17'N / 98°23'W	10.10 Miles	400 Yards	0	1	250K	0	Cotton
32.0	1979-10-30	2	33°19'N / 98°30'W	33°25'N / 98°24'W	9.10 Miles	77 Yards	0	0	250K	0	Jack
33.5	1956-04-28	2	34°10'N / 97°51'W				0	0	0K	0	Jefferson
33.8	1976-04-19	2	34°09'N / 97°52'W	34°11'N / 97°49'W	3.80 Miles	440 Yards	0	0	25K	0	Jefferson
33.9	1974-04-20	3	34°13'N / 98°02'W	34°16'N / 97°57'W	6.10 Miles	100 Yards	0	0	250K	0	Jefferson
34.7	1963-09-06	2	33°30'N / 97°43'W		0.10 Mile	17 Yards	0	0	25K	0	Montague
35.6	1959-08-30	3	34°12'N / 98°35'W		2.00 Miles	100 Yards	0	1	250K	0	Cotton
36.7	1976-04-19	3	33°45'N / 97°35'W	33°54'N / 97°34'W	10.40 Miles	373 Yards	0	2	250K	0	Montague
36.9	1966-04-10	2	33°21'N / 98°35'W		1.00 Mile	133 Yards	0	0	0K	0	Young
37.5	1967-05-30	2	34°07'N / 98°44'W	34°08'N / 98°43'W	1.90 Miles	33 Yards	0	0	25K	0	Wichita
38.6	1958-11-17	2	33°23'N / 98°46'W	33°28'N / 98°41'W	7.60 Miles	133 Yards	0	1	250K	0	Young
38.8	1954-05-01	3	34°14'N / 98°37'W	34°15'N / 98°36'W	1.90 Miles	33 Yards	0	0	250K	0	Tillman
39.9	1954-05-01	3	34°15'N / 98°36'W	34°21'N / 98°28'W	10.40 Miles	33 Yards	3	3	250K	0	Cotton
40.0	1951-05-18	4	33°25'N / 98°45'W		2.00 Miles	200 Yards	2	100	2.5M	0	Young
40.1	1955-09-25	2	33°26'N / 98°46'W		1.00 Mile	50 Yards	0	0	25K	0	Young
40.5	1969-04-16	2	34°17'N / 97°59'W	34°22'N / 97°53'W	8.20 Miles	33 Yards	0	1	250K	0	Stephens
41.7	1965-05-12	2	33°18'N / 97°47'W		0.10 Mile	17 Yards	0	0	25K	0	Wise
42.3	1957-05-24	4	34°16'N / 98°30'W	34°27'N / 98°27'W	13.00 Miles	880 Yards	4	5	250K	0	Cotton
42.4	2003-05-08	2	34°10'N / 97°40'W	34°09'N / 97°35'W	6.00 Miles	150 Yards	0	0	70K	0	Jefferson
		Brief Description: This nighttime tornado is the first of three Oklahoma tornadoes produced by a large supercell that moved across south central Oklahoma. The tornado moved east-southeast for six miles before dissipating. Several homes lost all or part of their roofs with several other homes receiving shingle damage. Four barns were damaged or destroyed. One pole barn had the poles, that were buried three feet deep, pulled out of the ground. A cinder block building also collapsed. Many trees and power lines were downed or damaged by the tornado. Two of the trees were over 100 years old. Three horses were also injured by the tornado. This was the first of three tornadic events in two days for Oklahoma. The other two events occurred on the afternoon of May 8 and on May 9, 2003 (see appropriate storm data). The five tornadoes that occurred in south central Oklahoma all happened after midnight with the strongest tornadoes producing F2 damage. One large supercell produced the three strongest tornadoes of the night.
42.7	1960-05-04	2	34°22'N / 98°19'W	34°26'N / 98°17'W	4.90 Miles	150 Yards	0	0	25K	0	Cotton
42.8	1979-04-10	2	34°08'N / 98°53'W	34°18'N / 98°37'W	19.10 Miles	33 Yards	0	3	2.5M	0	Tillman
42.8	1995-05-07	3	33°31'N / 97°32'W	33°48'N / 97°26'W	19.00 Miles	880 Yards	1	11	2.0M	0	Montague
		Brief Description: Tornado number two was a large tornado with a path one-half mile wide and 19 miles long. The storm ripped through Montague County, killing a 97 year-old man near Forestburg and injuring 11 other people. At least 30 houses and two mobile homes were destroyed, numerous barns and other outbuildings were destroyed, telephone and power lines were downed across the eastern half of the county, and an undetermined number of cattle and dairy cows were killed or injured. (M97O)
43.0	1979-06-06	3	33°13'N / 98°37'W	33°15'N / 98°30'W	7.10 Miles	400 Yards	0	2	250K	0	Young
43.0	2000-04-30	3	33°22'N / 98°46'W	33°22'N / 98°46'W	13.00 Miles	800 Yards	0	0	300K	0	Young
		Brief Description: A large tornado was reported from near the county line (between Elbert and Padgett) to east of Olney. A 100 year old home was completely destroyed one mile south of the Olney Airport. A total of three homes and two motor homes were destroyed. Damage was reported to a nursing home, barns, power lines and trees. Most of the damage, however, occurred in open country. April 30, 2000 - Event Narrative A big day for severe weather across northwest portions of the area. Several outflow boundaries, a dryline, and moist unstable air all helped contribute to thunderstorm development. There were several rounds of thunderstorms, the first wave was in the early morning hours, from about 3 am to 5 am. This activity developed in Young and Palo Pinto counties and moved eastward to affect Parker, Jack, Wise and Tarrant counties. Another event developed in the early evening, generally north and west of a Dallas, Glen Rose, Eastland line. Most of the activity was centered on Young, Jack, and Stephens county. A large tornado occurred near Olney (Young County) during this event. A continuation of aa tornado that began in Throckmorton county.
43.2	1990-03-13	3	34°16'N / 97°45'W	34°17'N / 97°44'W	1.00 Mile	200 Yards	0	0	2.5M	0	Jefferson
43.3	1979-04-10	2	34°18'N / 98°37'W	34°27'N / 98°20'W	19.20 Miles	33 Yards	0	0	0K	0	Cotton
44.6	1985-04-21	2	33°25'N / 98°52'W	33°25'N / 98°50'W	2.20 Miles	300 Yards	0	0	250K	0	Archer
45.0	2009-02-10	2	33°57'N / 97°33'W	34°04'N / 97°24'W	12.00 Miles	300 Yards	0	0	0K	0K	Love
		Brief Description: EVENT NARRATIVE: The thunderstorm that produced this tornado began near Breckenridge and Graham, TX. The storm moved northeast. A long-track tornado developed over far southeast Jefferson County, near the Red River. The tornado continued northeast into Love County crossing through rural farmland north of Courtney, Rubottom and Oswalt. Sporadic structural damage was noted in both Jefferson and Love counties, with tree damage also seen. The tornado then crossed into Carter County, where it did its most significant damage in and around the Lone Grove area. The tornado continued northeast, with major damage reported in the Majestic Hills addition and crossing Interstate-35 about a mile and a half north of the Prairie Valley Road exit. At least eight homes and a small private school were destroyed in the Majestic Hills neighborhood. It moved through rural areas of Northeast Carter County to the east of Springer. Approximately 46 people were injured, with 14 seriously injured. Eight people died in the Lone Grove area. At least 114 homes were damaged or destroyed, with at least 3500 losing power in and around Carter county. Debris from this tornado was carried as far away as Sulphur. Monetary damages were estimated. EPISODE NARRATIVE: Thunderstorms developed early in the afternoon, from near the Lawton area, northeast toward the Oklahoma metro area. Thunderstorms became severe relatively quickly as they moved through Caddo and Grady counties, and began to show signs of rotation as they moved toward western Oklahoma City. One supercell thunderstorm spawned several tornadoes as it moved through western and northern Oklahoma. Sporadic damage was reported along its path, some of it significant as it moved through northern Oklahoma county and southern Logan county. Other supercells developed near the same areas of Caddo and Grady counties and moved northeast. Some locations received several rounds of very large hail through the afternoon. Later in the afternoon, a second area of thunderstorms developed over northern Texas. Several supercell thunderstorms developed and moved northeast toward the Red River. One supercell thunderstorm moved northeast over Clay county and northwest Montague county. A tornado developed as it moved into Jefferson county near the Red River. It continued northeast through western Love county and into Carter County. Significant damage was reported in and around the Lone Grove area and over the far north sides of Ardmore. There were eight fatalities in and around Lone Grove. The tornado crossed Interstate 35 and eventually crossed into southern Murray county. Wind damage was reported in Coal and Atoka counties. Minor injuries were reported with the Atoka county thunderstorms. Monetary damages were estimated.
46.3	1979-10-30	2	33°03'N / 98°38'W	33°19'N / 98°30'W	20.00 Miles	77 Yards	0	5	250K	0	Young
46.3	1979-04-10	2	34°06'N / 98°57'W	34°08'N / 98°53'W	4.70 Miles	33 Yards	0	0	0K	0	Wichita
47.3	1985-04-21	2	33°23'N / 98°55'W	33°25'N / 98°52'W	2.80 Miles	300 Yards	0	2	250K	0	Young
47.3	1976-04-19	2	33°52'N / 97°26'W	33°56'N / 97°22'W	6.10 Miles	100 Yards	0	0	250K	0	Love
47.8	1997-05-25	2	33°37'N / 97°26'W	33°36'N / 97°23'W	1.00 Mile	75 Yards	0	0	100K	0	Cooke
		Brief Description: A tornado blew over a 1500 lb pumpjack, snapped 25 power poles, destroyed several barns, damaged roofs, and damaged or destroyed numerous trees.
48.1	1977-03-02	2	34°06'N / 97°33'W	34°11'N / 97°26'W	8.80 Miles	100 Yards	0	0	25K	0	Carter
49.1	1957-05-24	2	34°28'N / 97°58'W		2.50 Miles	33 Yards	0	0	0K	0	Stephens
49.1	1962-07-28	2	34°28'N / 97°58'W		1.00 Mile	50 Yards	0	1	250K	0	Stephens
49.2	1973-06-02	2	34°29'N / 98°24'W	34°29'N / 98°23'W	1.30 Miles	100 Yards	0	2	250K	0	Cotton
49.3	1990-03-13	3	34°17'N / 97°44'W	34°23'N / 97°35'W	15.00 Miles	200 Yards	0	0	2.5M	0	Stephens
49.4	1979-04-10	2	34°05'N / 99°02'W	34°06'N / 98°57'W	5.20 Miles	33 Yards	1	0	0K	0	Wilbarger
49.4	1994-05-29	3	33°20'N / 98°49'W	33°14'N / 98°50'W	7.00 Miles	600 Yards	0	0	5K	0	Young
		Brief Description: A large tornado was video-taped by storm chasers. The tornado was on the ground for 20 minutes and moved south-southeast across open ranch land with the only known damage being to a garage and an oil storage tank.
49.5	1973-06-02	2	34°29'N / 98°26'W	34°29'N / 98°24'W	2.30 Miles	100 Yards	0	0	250K	0	Comanche
49.9	1979-04-10	2	34°27'N / 98°20'W	34°34'N / 98°08'W	14.00 Miles	33 Yards	0	0	0K	0	Comanche
49.9	1975-02-22	2	34°27'N / 97°59'W	34°30'N / 97°55'W	5.40 Miles	70 Yards	0	2	250K	0	Stephens

* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.