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Thorntown, IN Natural Disasters and Weather Extremes

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The chance of earthquake damage in Thorntown is about the same as Indiana average and is much lower than the national average. The risk of tornado damage in Thorntown is higher than Indiana 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, #633

Thorntown, IN	0.02
Indiana	0.12
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

Thorntown, IN	0.0000
Indiana	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, #160

Thorntown, IN	303.27
Indiana	265.56
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 4,446 other weather extremes events within 50 miles of Thorntown, IN 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:	3	Cold:	4	Dense Fog:	2	Drought:	0
Dust Storm:	0	Flood:	550	Hail:	1,203	Heat:	3	Heavy Snow:	30
High Surf:	0	Hurricane:	0	Ice Storm:	15	Landslide:	0	Strong Wind:	16
Thunderstorm Winds:	2,370	Tropical Storm:	0	Wildfire:	0	Winter Storm:	41	Winter Weather:	4
Other:	205

Volcanos Nearby

No volcano is found in or near Thorntown, IN.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Thorntown, IN.

No historical earthquake events found in or near Thorntown, IN.

Historical Tornado Events

A total of 125 historical tornado events that had recorded magnitude of 2 or above found in or near Thorntown, IN.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
0.4	1961-03-06	2	40°08'N / 86°37'W				0	2	25K	0	Boone
3.8	1971-03-15	2	40°06'N / 86°33'W		0.10 Mile	20 Yards	0	2	25K	0	Boone
4.5	1957-07-12	2	40°04'N / 86°38'W				0	0	25K	0	Boone
7.2	1978-06-25	3	40°17'N / 86°41'W	40°11'N / 86°33'W	9.40 Miles	33 Yards	0	0	0K	0	Clinton
7.4	1965-04-11	4	40°03'N / 86°42'W	40°09'N / 86°15'W	24.70 Miles	1667 Yards	20	80	25.0M	0	Boone
7.7	1962-03-11	3	40°05'N / 86°29'W	40°08'N / 86°27'W	3.00 Miles	10 Yards	0	0	25K	0	Boone
9.3	1956-02-25	2	40°03'N / 86°28'W		1.00 Mile	70 Yards	0	0	25K	0	Boone
9.3	1965-08-25	2	40°03'N / 86°28'W		0.80 Mile	100 Yards	0	0	250K	0	Boone
11.3	1965-04-11	4	40°01'N / 86°52'W	40°03'N / 86°42'W	8.90 Miles	667 Yards	2	13	25.0M	0	Montgomery
12.3	1953-04-09	3	40°16'N / 86°42'W	40°17'N / 86°15'W	23.60 Miles	750 Yards	1	6	2.5M	0	Clinton
12.4	1965-11-26	2	40°06'N / 86°24'W	40°10'N / 86°21'W	4.70 Miles	33 Yards	0	0	250K	0	Boone
12.5	1995-05-13	2	39°59'N / 86°54'W	39°58'N / 86°34'W	9.00 Miles	250 Yards	3	5	3.5M	0	Montgomery
		Brief Description: The tornado touched down near Ladoga Road and County Road 400S damaging a home. The tornado continued east near Linnsburg and New Ross destroying eight homes and damaging eight others. Two businesses were destroyed and an elementary school received major damage. The fatalities occurred in prefabricated homes of rural Montgomery County, just west and south of Linnsburg. The tornado exited the county near Interstate 74 and County Road 400S at 0008 EST. (M42P, F36P, M94P)
13.0	1961-08-10	2	40°19'N / 86°38'W				0	0	25K	0	Clinton
13.0	1958-06-13	2	40°03'N / 86°50'W				0	0	25K	0	Montgomery
13.2	1967-06-24	2	40°16'N / 86°47'W				0	0	3K	0	Tippecanoe
13.3	1990-06-02	2	40°00'N / 86°54'W	40°05'N / 86°46'W	10.00 Miles	100 Yards	0	12	2.5M	0	Montgomery
13.6	1968-06-11	2	40°19'N / 86°32'W				0	5	250K	0	Clinton
13.6	1961-08-19	2	39°56'N / 86°38'W				0	0	25K	0	Boone
13.7	1975-04-02	2	40°12'N / 86°22'W		0.20 Mile	50 Yards	0	0	250K	0	Clinton
16.3	1966-12-08	2	40°03'N / 86°54'W				0	0	25K	0	Montgomery
17.3	1965-04-11	4	40°20'N / 86°50'W	40°22'N / 86°42'W	6.90 Miles	500 Yards	0	10	0K	0	Tippecanoe
17.6	1973-05-27	2	39°39'N / 86°50'W	40°06'N / 86°25'W	38.10 Miles	50 Yards	0	0	250K	0	Hendricks
17.7	1974-04-03	2	40°02'N / 86°18'W		0.10 Mile	50 Yards	0	0	0K	0	Boone
18.4	1965-04-11	4	40°22'N / 86°42'W	40°25'N / 86°24'W	15.90 Miles	500 Yards	0	34	0K	0	Clinton
18.7	1961-03-06	2	40°23'N / 86°38'W	40°25'N / 86°35'W	2.70 Miles	70 Yards	0	0	250K	0	Clinton
18.8	1965-11-26	3	39°59'N / 86°20'W	40°02'N / 86°15'W	5.10 Miles	527 Yards	0	0	250K	0	Boone
19.3	1980-06-02	3	40°05'N / 87°04'W	39°55'N / 86°48'W	18.10 Miles	33 Yards	1	16	2.5M	0	Montgomery
19.5	1978-06-25	3	40°26'N / 86°58'W	40°17'N / 86°41'W	18.00 Miles	33 Yards	0	0	0K	0	Tippecanoe
19.5	1968-05-15	2	40°23'N / 86°27'W				0	0	25K	0	Clinton
19.9	1976-03-20	2	39°47'N / 86°41'W	39°54'N / 86°31'W	11.70 Miles	33 Yards	0	0	25K	0	Hendricks
22.2	1992-11-22	3	39°52'N / 86°54'W	39°55'N / 86°53'W	3.00 Miles	867 Yards	0	0	2.5M	0	Montgomery
22.5	1990-06-02	2	39°48'N / 86°42'W	39°49'N / 86°40'W	1.50 Miles	50 Yards	0	5	250K	0	Hendricks
23.1	1971-03-19	2	40°25'N / 86°50'W		0.50 Mile	20 Yards	0	0	25K	0	Tippecanoe
23.2	1965-01-23	2	39°49'N / 86°27'W				0	0	3K	0	Hendricks
23.6	1965-09-14	2	40°21'N / 86°57'W	40°23'N / 86°55'W	1.30 Miles	400 Yards	0	0	250K	0	Tippecanoe
23.8	1965-11-26	3	40°02'N / 86°15'W	40°06'N / 86°05'W	9.60 Miles	527 Yards	0	5	250K	0	Hamilton
23.9	1965-04-11	4	40°24'N / 86°23'W	40°25'N / 86°18'W	3.80 Miles	333 Yards	0	0	25K	0	Clinton
24.0	1990-06-02	2	39°47'N / 86°44'W	39°48'N / 86°42'W	2.00 Miles	50 Yards	1	1	250K	0	Putnam
24.0	1974-04-01	2	40°25'N / 86°52'W		1.50 Miles	77 Yards	0	0	25K	0	Tippecanoe
24.0	1980-06-07	2	40°25'N / 86°52'W				0	0	0K	0	Tippecanoe
25.0	1978-04-10	2	40°25'N / 86°52'W	40°30'N / 86°45'W	8.00 Miles	77 Yards	0	0	25K	0	Tippecanoe
25.2	1965-04-11	4	40°09'N / 86°15'W	40°10'N / 86°01'W	12.10 Miles	1333 Yards	6	30	25.0M	0	Hamilton
25.7	1958-06-08	2	40°21'N / 86°13'W				0	1	3K	0	Tipton
25.8	1962-09-13	2	40°03'N / 86°08'W		1.00 Mile	27 Yards	0	0	25K	0	Hamilton
27.2	1974-06-07	2	39°57'N / 86°13'W	39°59'N / 86°04'W	8.00 Miles	100 Yards	0	0	250K	0	Hamilton
27.7	1963-04-22	2	40°23'N / 87°01'W		1.00 Mile	100 Yards	0	0	3K	0	Tippecanoe
27.7	1953-04-09	3	40°15'N / 87°31'W	40°16'N / 86°42'W	42.90 Miles	750 Yards	0	0	2.5M	0	Warren
27.9	1992-11-22	3	39°43'N / 86°54'W	39°52'N / 86°54'W	9.00 Miles	867 Yards	0	1	2.5M	0	Putnam
29.8	1968-05-15	2	40°29'N / 86°56'W				0	0	3K	0	Tippecanoe
29.8	1976-03-20	2	39°39'N / 86°52'W	39°47'N / 86°41'W	13.20 Miles	200 Yards	0	0	25K	0	Putnam
30.0	1969-08-09	3	39°49'N / 86°13'W		0.10 Mile	167 Yards	0	6	250K	0	Marion
30.6	1976-03-20	4	40°28'N / 87°00'W	40°34'N / 86°47'W	13.10 Miles	300 Yards	0	6	2.5M	0	Tippecanoe
30.6	1954-07-20	2	39°43'N / 86°24'W				0	0	25K	0	Hendricks
31.0	1953-04-09	3	40°17'N / 86°15'W	40°17'N / 85°52'W	19.90 Miles	33 Yards	1	6	2.5M	0	Tipton
31.6	1956-03-06	2	40°35'N / 86°41'W				0	0	25K	0	Carroll
31.9	1978-06-25	3	39°45'N / 86°16'W		1.00 Mile	100 Yards	0	0	0K	0	Marion
32.2	1976-03-20	4	40°34'N / 86°47'W	40°36'N / 86°43'W	3.60 Miles	300 Yards	0	2	2.5M	0	Carroll
32.2	1965-06-06	2	40°17'N / 86°02'W				0	0	25K	0	Tipton
33.1	1988-10-17	2	39°41'N / 86°23'W		0.50 Mile	100 Yards	0	0	250K	0	Hendricks
33.8	1965-09-14	2	40°37'N / 86°33'W				0	0	3K	0	Carroll
34.1	1980-06-02	2	39°47'N / 86°09'W				0	6	0K	0	Marion
34.2	1961-03-06	3	40°28'N / 86°08'W		2.00 Miles	300 Yards	1	3	250K	0	Howard
34.3	1955-11-15	2	39°46'N / 86°10'W				0	2	25K	0	Marion
34.5	1992-11-22	3	39°52'N / 86°07'W	39°57'N / 85°56'W	9.00 Miles	433 Yards	0	0	2.5M	0	Marion
35.1	1960-05-19	2	40°16'N / 87°15'W				0	0	25K	0	Delaware
35.7	1951-07-09	2	40°29'N / 86°07'W		1.00 Mile	1760 Yards	0	0	250K	0	Howard
35.9	1965-04-11	4	40°25'N / 86°18'W	40°30'N / 85°52'W	23.30 Miles	880 Yards	17	560	250.0M	0	Howard
36.0	1968-05-15	2	39°37'N / 86°32'W	39°37'N / 86°26'W	5.20 Miles	33 Yards	0	5	250K	0	Hendricks
36.1	1963-04-22	3	39°51'N / 86°02'W		0.30 Mile	200 Yards	0	20	2.5M	0	Marion
36.2	1956-03-06	2	40°35'N / 86°16'W		2.00 Miles	30 Yards	0	1	25K	0	Cass
36.6	2007-04-11	2	40°10'N / 85°57'W	40°15'N / 85°54'W	4.00 Miles	100 Yards	0	0	150K	0K	Hamilton
		Brief Description: EVENT NARRATIVE: This tornado touched down at 7:25 P.M. EDT, as reported by trained spotters, about 3 miles east of Arcadia . The tornado continued a path to the northeast, lifting around 7:30 P.M. EDT. An EF2 rating was assigned to this tornado given the significant destruction of a barn, and the tornado moving a dual wheel pickup truck/trailer rig nearly fifteen feet. Winds were estimated near 120 mph. Several other outbuildings, houses, barns, vehicles, trees, sheds, and garages suffered damage as well. EPISODE NARRATIVE: Severe thunderstorms moved through central Indiana on the afternoon of 11 April 2007. The storms produced tornadoes, large hail, and damaging winds. The National Weather Service Indianapolis damage assessment teams confirmed four tornadoes in central Indiana. These tornadoes occurred from mini supercells.
36.7	1963-04-29	3	40°35'N / 86°41'W	40°44'N / 86°23'W	18.60 Miles	33 Yards	0	0	25K	0	Carroll
37.1	1968-05-15	2	39°37'N / 86°26'W	39°37'N / 86°22'W	3.60 Miles	33 Yards	0	0	0K	0	Morgan
37.7	1956-03-06	2	40°22'N / 85°58'W				0	0	25K	0	Tipton
37.8	1974-04-03	4	40°30'N / 87°08'W	40°32'N / 87°06'W	1.30 Miles	333 Yards	0	0	250.0M	0	Benton
38.2	1969-05-10	2	39°34'N / 86°58'W	39°38'N / 86°40'W	16.50 Miles	400 Yards	0	7	250K	0	Putnam
38.5	1980-06-07	2	40°22'N / 85°57'W				1	5	0K	0	Tipton
38.8	1972-05-14	4	39°46'N / 86°05'W	39°50'N / 85°57'W	8.40 Miles	200 Yards	0	17	250K	0	Marion
39.3	1959-02-10	2	39°41'N / 86°09'W		0.40 Mile	50 Yards	0	0	25K	0	Marion
39.5	1991-08-08	2	40°29'N / 87°15'W	40°27'N / 87°11'W	4.00 Miles	127 Yards	0	0	250K	0	Warren
39.8	2002-09-20	2	39°38'N / 86°07'W	39°54'N / 85°56'W	17.50 Miles	150 Yards	0	97	40.0M	0	Marion
		Brief Description: One of Indiana's longest tracking tornados formed along a squall line on the morning of September 20. The tornado touched down near Ellettsville in Monroe county and then remained on the ground for 112 miles before lifting in Blackford county. The tornado produced F3 damage at its strongest points. Nearly 100 single family homes were destroyed, along with several mobile homes. Some apartments were also destroyed. Many businesses and hundreds of homes received damage. Several counties were declared disaster areas.
39.9	1992-11-22	2	40°01'N / 85°53'W	40°02'N / 85°51'W	1.00 Mile	100 Yards	0	0	250K	0	Hamilton
39.9	2008-05-30	2	39°49'N / 86°00'W	39°49'N / 85°57'W	3.00 Miles	150 Yards	0	18	29.0M	0K	Marion
		Brief Description: EVENT NARRATIVE: Numerous structures were damaged in Marion County with the hardest hit area being an apartment complex near 38th Street and Mitthoefer Road. The tornado was associated with an embedded supercell that was overtaken by a line. Based on damage indicators, wind speeds were estimated around 125 mph. This tornado formed near 42nd Street and Post Road and tracked southeastward for 3.1 miles before exiting Marion County on North County Line Road 500 meters south of East 38th Street. The tornado continued in Hancock County. While in Marion County the tornado was rated EF-2 and while in Hancock County the tornado was rated EF-1. The tornado continued to the southeast in Hancock County for 4.0 miles. This made the entire path length 7.1 miles. The width of the tornado while in Hancock County was 100 yards and lasted from 2132 until 2136. Overall, the tornado was on the ground from 2127 until 2136. The tornado lifted in Hancock County 500 feet south of West 200 North on North 400 West. While in Hancock County the tornado damaged barns, houses, billboards, trees, and powerlines. EPISODE NARRATIVE: A warm front moved through through the area earlier in the day allowing for warm temperatures over central Indiana. Severe storms formed in advance of a cold front that moved through later at night. These storms contained hail and damaging thunderstorm winds. Three tornadoes also formed with these storms including one that moved through the east side of Indianapolis. Heavy rain caused flash flooding across many locations.
41.0	1992-11-22	2	40°02'N / 85°51'W	40°03'N / 85°50'W	1.00 Mile	100 Yards	0	0	250K	0	Madison
41.1	1974-04-03	4	40°32'N / 87°06'W	40°52'N / 86°34'W	36.10 Miles	900 Yards	10	73	0K	0	White
41.1	1961-03-06	3	40°28'N / 85°58'W				0	0	25K	0	Howard
41.5	1964-04-28	2	40°17'N / 85°51'W				0	0	0K	0	Madison
41.7	1980-06-02	2	40°08'N / 87°24'W				0	0	25.0M	0	Fountain
41.8	1998-06-11	3	40°24'N / 86°04'W	40°34'N / 85°52'W	12.50 Miles	800 Yards	0	8	5.0M	0	Howard
		Brief Description: This strong tornado originated from a supercell which initially produced several funnel clouds beginning northeast of Crawfordsville, passing over Frankfort to Kokomo's south side. This supercell finally produced its tornado just south of Kokomo near Oakford and Center. The tornado damaged a school near Center and caused its most extensive damage in Greentown where over two dozen buildings were destroyed and nearly 200 buildings were damaged. The tornado continued tracking ENE along the N & W train tracks and into WC Grant County west of Swayzee.
41.8	1974-04-03	3	40°17'N / 87°29'W	40°33'N / 87°08'W	25.90 Miles	700 Yards	0	0	250K	0	Warren
41.9	2010-06-06	2	40°38'N / 86°10'W	40°38'N / 86°10'W	1.00 Mile	175 Yards	0	1	125K	0K	Cass
		Brief Description: EVENT NARRATIVE: After a brief break, the supercell produced one more circulation which touched down just west of the Cass/Miami county line along South County Road 1000 East. Several yards in the area had trees uprooted and limbs down (DI: TH, DOD: 4). A few residences were impacted by the trees, causing mainly roof or window damage . The circulation then went into a dense grove of trees with the circulation briefly weakening before coming back out near the Grissom Air Reserve Base. A 200 foot section of security fence on the southwest corner of the base was blown down into the adjacent roadway and portions of the nearby field before crossing into Miami county. An Automated Weather Observation System recorded a 114 mph wind gust as the circulation passed through. EPISODE NARRATIVE: A supercell developed ahead of a cold front in Illinois and tracked east-southeast through Benton county into White county. This storm produced three tornadoes across Indiana, an EF0 in eastern White county (which moved into Carroll county), an EF1 which started in eastern Carroll county and moved into Cass county, and a third, a stronger EF3 which formed near the Grissom Air Force base in Cass county and moved rapidly east into Miami county. Despite the tornadoes occurring during the overnight hours, no fatalities occurred.
42.1	1974-04-03	2	40°23'N / 85°58'W	40°29'N / 85°52'W	8.30 Miles	350 Yards	0	0	2.5M	0	Howard
42.3	1954-06-26	2	39°31'N / 86°38'W				0	0	3K	0	Morgan
42.3	1998-06-11	3	39°47'N / 85°57'W	39°47'N / 85°57'W	1.00 Mile	400 Yards	0	3	1.5M	0	Marion
42.9	1958-06-13	2	40°45'N / 86°43'W	40°45'N / 86°33'W	8.40 Miles	50 Yards	0	0	25K	0	White
42.9	1961-07-28	2	40°45'N / 86°39'W				0	0	25K	0	White
43.2	1960-03-30	2	39°54'N / 85°51'W				0	0	3K	0	Hancock
43.2	2010-06-06	3	40°38'N / 86°10'W	40°37'N / 86°03'W	6.00 Miles	250 Yards	0	0	0.8M	0K	Miami
		Brief Description: EVENT NARRATIVE: The tornado that entered this county exited the Grissom Air Reserve base on the Cass/Miami county line and continued east-southeast, crossing a small area of trees where signs of slight debarking was noted (DI: TH DOD: 5). The tornado continued on along to the 3000 block of County Road 900 South where the most substantial damage occurred to a one and one half story home. Only a few kitchen walls remains of the structure (DI: FR12, DOD 8) with one resident in the kitchen and one in the basement. Two other residences suffered extensive damage but remained intact. The tornado crossed US 31 and continued for a few more miles, causing some additional tree and structure damage including several buildings at a hog farm being destroyed. The tornado eventually dissipated east of Strawpike Road, north of East 1000 South in a field. A local newspaper article reported that a check that was originally located at the destroyed home, was found nearly 50 miles away in Wells county in perfect condition. Total damage along the track of the tornado is estimated at $750,000. EPISODE NARRATIVE: A supercell developed ahead of a cold front in Illinois and tracked east-southeast through Benton county into White county. This storm produced three tornadoes across Indiana, an EF0 in eastern White county (which moved into Carroll county), an EF1 which started in eastern Carroll county and moved into Cass county, and a third, a stronger EF3 which formed near the Grissom Air Force base in Cass county and moved rapidly east into Miami county. Despite the tornadoes occurring during the overnight hours, no fatalities occurred.
43.4	1986-03-10	3	39°35'N / 86°14'W	39°41'N / 85°59'W	15.00 Miles	440 Yards	0	3	2.5M	0	Johnson
43.4	1991-08-08	2	40°30'N / 87°19'W	40°29'N / 87°15'W	5.00 Miles	127 Yards	0	0	250K	0	Benton
43.5	1961-07-21	2	39°31'N / 86°48'W		1.00 Mile	20 Yards	0	0	25K	0	Putnam
43.5	1992-07-30	2	39°31'N / 86°39'W	39°29'N / 86°30'W	6.00 Miles	200 Yards	0	0	25K	0	Morgan
43.9	2005-07-26	2	40°41'N / 86°13'W	40°41'N / 86°11'W	1.00 Mile	100 Yards	0	0	100K	0	Cass
		Brief Description: A NWS survey confirmed a tornado touched down a few hundred feet west of county road 950 E between 500 and 600 S, just southwest of Onward. Extensive damage occurred to a barn as well as numerous trees in the area. The door of the barn was open which likely aided in the destruction of the barn. Damage in the area was consistent with a tornado of F2 intensity. The tornado continued on into Miami county where additional damage was found.
44.0	1965-11-26	3	39°54'N / 85°50'W		1.00 Mile	200 Yards	0	3	250K	0	Hancock
44.1	1968-04-14	2	40°44'N / 86°53'W				0	0	250K	0	White
44.4	2002-09-20	3	39°32'N / 86°13'W	39°38'N / 86°07'W	7.50 Miles	150 Yards	0	0	25.0M	10K	Johnson
		Brief Description: One of Indiana's longest tracking tornados formed along a squall line on the morning of September 20. The tornado touched down near Ellettsville in Monroe county and then remained on the ground for 112 miles before lifting in Blackford county. The tornado produced F3 damage at its strongest points. Nearly 100 single family homes were destroyed, along with several mobile homes. Some apartments were also destroyed. Many businesses and hundreds of homes received damage. Several counties were declared disaster areas.
45.0	1962-05-26	2	39°32'N / 86°16'W				0	0	25K	0	Morgan
45.1	1972-05-14	4	39°50'N / 85°57'W	39°57'N / 85°41'W	16.20 Miles	200 Yards	0	1	25K	0	Hancock
45.2	1992-11-22	3	39°24'N / 86°31'W	39°35'N / 86°19'W	15.00 Miles	867 Yards	0	0	2.5M	0	Morgan
45.8	1958-06-13	2	40°46'N / 86°22'W				0	0	25K	0	Cass
46.0	2005-07-26	2	40°42'N / 86°09'W	40°41'N / 86°08'W	3.00 Miles	100 Yards	0	0	350K	0	Miami
		Brief Description: A NWS survey confirmed that a tornado that had caused damage across extreme eastern Cass county in Indiana crossed into Miami county and continued to cause damage as it moved just north of the Grissom Air Force base. The tornado dropped into a river valley and flipped over some conveyor machines in a quarry located in the valley. Damage to these was consistent with an F1 tornado. The tornado intensified as it moved into a area of houses in this valley. The first house that was struck suffered extensive damage with its garage and porch destroyed. Damage from the first home impacted a second home, also causing extensive damage to the west side of the house. This damage was consistent with an F2 tornado. As the tornado lifted out of the valley, it quickly dissipated. The tornado was on the ground for 3 miles in Miami county with a total track of 4 miles during its lifetime. No injuries were reported as one house was unoccupied and the residents of the other house, had sought shelter in their basement.
46.0	1963-04-29	3	40°44'N / 86°23'W	40°44'N / 86°06'W	14.50 Miles	33 Yards	0	0	0K	0	Miami
46.2	1998-06-11	4	39°47'N / 85°58'W	39°49'N / 85°44'W	12.20 Miles	500 Yards	0	1	1.1M	0	Hancock
		Brief Description: A tornado initially touched down on Indianapolis' far east side in Cumberland destroying six buildings and damaging nearly eighty. The tornado continued east-northeast into Hancock County before dissipating just east of Maxwell at 640 PM EST. In Hancock County, the tornado destroyed approxiamtely five buildings and damaged nearly 40 others. The supercell storm that generated this tornado also produced three other tornadoes in east central Indiana that evening. These tornadoes will be described below.
46.6	2002-09-20	3	39°22'N / 86°32'W	39°35'N / 86°15'W	20.00 Miles	150 Yards	0	28	15.0M	30K	Morgan
		Brief Description: One of Indiana's longest tracking tornados formed along a squall line on the morning of September 20. The tornado touched down near Ellettsville in Monroe county and then remained on the ground for 112 miles before lifting in Blackford county. The tornado produced F3 damage at its strongest points. Nearly 100 single family homes were destroyed, along with several mobile homes. Some apartments were also destroyed. Many businesses and hundreds of homes received damage. Several counties were declared disaster areas.
46.6	1986-03-10	3	39°41'N / 85°59'W	39°40'N / 85°56'W	2.00 Miles	440 Yards	0	10	2.5M	0	Marion
46.7	1955-05-28	2	40°32'N / 85°59'W	40°35'N / 85°52'W	6.80 Miles	100 Yards	0	3	2.5M	0	Howard
46.8	2006-03-31	2	39°37'N / 86°06'W	39°37'N / 85°58'W	7.00 Miles	350 Yards	0	0	3.0M	0	Johnson
		Brief Description: A tornado touched down just west of Interstate 65 and Main Street in Greenwood on the evening of 31 March 2006. This tornado was on the ground for 25 minutes, covered an area 17 miles long, and caused significant damage to several homes and businesses along its path, which continued into neighboring Shelby County. At its peak, near the small town of London in Shelby County, the tornado was a strong F2, with a width of four tenths of a mile. The tornado lifted near US 52 and State Road 9 in north central Shelby County. According to the American Red Cross of Greater Indianapolis, more than 140 homes were damaged, some of them severely. Fortunately, no fatalities or life-threatening injuries were reported, although at least one driver, Megan Mahoney of Chesterfield, MO, sustained a concussion when her car was rolled or tossed off of Interstate 74 in Shelby County and into the yard of a home over 150 feet away. This was the third significant tornado in just over three and a half years to affect the southern suburbs of the Indianapolis metropolitan area. Severe thunderstorms which formed over northwest central Indiana quickly transitioned to a powerful and expanding squall line with embedded supercells that moved southeast through central Indiana during the afternoon and evening of 31 March 2006. Two tornadoes touched down in the 9-county Indianapolis metropolitan area, one of which was on the ground for 17 miles and did an estimated 8 million dollars in damage.
46.9	1986-03-10	3	39°22'N / 86°31'W	39°35'N / 86°14'W	15.00 Miles	440 Yards	0	9	2.5M	0	Morgan
47.0	1963-04-29	3	39°37'N / 87°16'W	39°39'N / 87°10'W	5.60 Miles	100 Yards	0	0	250K	0	Parke
47.9	1980-06-02	2	39°43'N / 85°53'W				0	4	0K	0	Hancock
48.1	2002-09-20	2	39°56'N / 85°50'W	40°16'N / 85°34'W	26.00 Miles	150 Yards	0	2	8.0M	25K	Madison
		Brief Description: One of Indiana's longest tracking tornados formed along a squall line on the morning of September 20. The tornado touched down near Ellettsville in Monroe county and then remained on the ground for 112 miles before lifting in Blackford county. The tornado produced F3 damage at its strongest points. Nearly 100 single family homes were destroyed, along with several mobile homes. Some apartments were also destroyed. Many businesses and hundreds of homes received damage. Several counties were declared disaster areas.
48.4	1956-02-25	2	39°31'N / 86°10'W				0	0	250K	0	Johnson
48.8	1956-03-06	2	40°35'N / 85°54'W				0	0	3K	0	Miami
49.0	1956-02-25	2	39°26'N / 86°26'W		2.00 Miles	60 Yards	0	3	25K	0	Morgan
49.6	1998-06-11	2	39°53'N / 85°45'W	39°59'N / 85°40'W	7.50 Miles	300 Yards	0	0	400K	0	Hancock

* 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.