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Medinah, IL Natural Disasters and Weather Extremes

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The chance of earthquake damage in Medinah is about the same as Illinois average and is much lower than the national average. The risk of tornado damage in Medinah is higher than Illinois 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, #419

Medinah, IL	0.18
Illinois	0.24
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

Medinah, IL	0.0000
Illinois	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, #551

Medinah, IL	235.34
Illinois	220.15
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 4,115 other weather extremes events within 50 miles of Medinah, IL 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:	8	Cold:	59	Dense Fog:	99	Drought:	40
Dust Storm:	0	Flood:	395	Hail:	1,029	Heat:	87	Heavy Snow:	57
High Surf:	0	Hurricane:	0	Ice Storm:	15	Landslide:	0	Strong Wind:	79
Thunderstorm Winds:	1,850	Tropical Storm:	0	Wildfire:	4	Winter Storm:	84	Winter Weather:	58
Other:	251

Volcanos Nearby

No volcano is found in or near Medinah, IL.

Historical Earthquake Events

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

No historical earthquake events found in or near Medinah, IL.

Historical Tornado Events

A total of 82 historical tornado events that had recorded magnitude of 2 or above found in or near Medinah, IL.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
2.3	1965-05-26	2	41°54'N / 88°10'W	41°59'N / 87°55'W	13.80 Miles	70 Yards	0	11	250K	0	Du Page
8.1	1965-05-26	2	41°59'N / 87°55'W	42°00'N / 87°53'W			0	0	250K	0	Cook
8.1	1975-06-17	2	42°05'N / 88°00'W		1.50 Miles	20 Yards	0	0	250K	0	Cook
8.3	1976-03-12	2	41°55'N / 87°55'W	41°56'N / 87°54'W			0	25	2.5M	0	Du Page
8.4	1972-07-17	2	41°52'N / 88°08'W				0	0	2.5M	0	Du Page
8.8	1973-04-21	2	41°51'N / 88°06'W		0.20 Mile	33 Yards	0	0	25K	0	Cook
9.0	1966-06-09	2	42°06'N / 88°01'W				0	0	0K	0	Cook
9.1	1959-09-26	2	41°58'N / 87°58'W	42°02'N / 87°48'W	9.30 Miles	33 Yards	0	0	250K	0	Du Page
10.8	1970-04-30	2	42°00'N / 87°54'W	42°03'N / 87°49'W	4.90 Miles	33 Yards	0	9	25K	0	Cook
10.8	1966-06-09	2	42°06'N / 87°56'W		2.50 Miles	33 Yards	1	30	0K	0	Cook
11.3	1966-04-19	2	41°49'N / 88°07'W		0.50 Mile	40 Yards	0	0	250K	0	Du Page
11.4	1972-08-25	2	42°02'N / 87°51'W		1.80 Miles	200 Yards	0	1	2.5M	0	Cook
11.8	1967-04-21	2	42°00'N / 88°17'W		0.30 Mile	33 Yards	0	0	250K	0	Kane
12.2	1965-11-12	2	41°48'N / 88°06'W		1.00 Mile	20 Yards	0	0	25K	0	Du Page
12.4	1956-08-23	2	42°02'N / 88°17'W				0	0	25K	0	Kane
13.5	1976-03-12	2	41°56'N / 87°54'W	42°06'N / 87°42'W	15.10 Miles	150 Yards	2	41	2.5M	0	Cook
13.5	1976-03-12	3	41°43'N / 88°14'W	41°51'N / 88°00'W	14.80 Miles	30 Yards	0	3	2.5M	0	Du Page
15.7	1971-08-24	2	41°46'N / 88°11'W		1.00 Mile	83 Yards	0	2	250K	0	Du Page
16.0	1954-05-27	2	41°46'N / 88°20'W	41°51'N / 88°13'W	7.90 Miles	200 Yards	0	0	25K	0	Kendall
16.6	1967-04-21	4	42°09'N / 88°16'W	42°12'N / 88°12'W	4.30 Miles	150 Yards	0	3	2.5M	0	Mchenry
16.9	1967-04-21	4	42°12'N / 88°12'W	42°13'N / 88°06'W	4.50 Miles	150 Yards	1	97	2.5M	0	Lake
19.0	1976-06-13	4	41°42'N / 87°56'W	41°44'N / 87°55'W			0	0	250K	0	Du Page
20.5	1976-06-13	4	41°40'N / 88°00'W	41°42'N / 87°56'W	3.30 Miles	1760 Yards	2	23	2.5M	0	Cook
21.0	1991-03-27	3	41°40'N / 88°01'W	41°42'N / 87°51'W	9.20 Miles	200 Yards	0	7	25.0M	0	Cook
21.4	1961-03-04	2	41°54'N / 87°42'W	41°59'N / 87°35'W	7.90 Miles	100 Yards	1	115	25.0M	0	Cook
21.5	1978-08-15	2	42°11'N / 88°22'W		2.00 Miles	100 Yards	0	0	250K	0	Mchenry
22.3	1991-03-27	3	41°38'N / 88°04'W	41°40'N / 88°01'W	2.80 Miles	200 Yards	0	0	25.0M	0	Will
22.6	1965-04-11	4	42°17'N / 88°13'W	42°17'N / 88°11'W			0	0	0K	0	Lake
22.8	1965-04-11	4	42°13'N / 88°23'W	42°17'N / 88°13'W	9.10 Miles	400 Yards	6	75	0K	0	Mchenry
23.0	1958-08-06	2	41°44'N / 88°22'W		2.00 Miles	70 Yards	0	0	250K	0	Kane
23.9	1976-03-12	3	41°38'N / 88°21'W	41°43'N / 88°14'W	7.80 Miles	30 Yards	0	0	2.5M	0	Kendall
25.1	1990-08-28	5	41°41'N / 88°21'W	41°38'N / 88°15'W	5.20 Miles	600 Yards	0	0	250K	0	Kendall
25.2	1991-03-27	3	41°35'N / 88°06'W	41°38'N / 88°04'W	3.00 Miles	200 Yards	0	0	25.0M	0	Will
25.8	1963-04-19	2	42°18'N / 88°18'W				0	0	250K	0	Mchenry
26.4	1980-07-16	2	42°07'N / 88°32'W		1.40 Miles	440 Yards	0	0	250K	0	Kane
26.5	1959-10-08	2	42°20'N / 88°14'W		2.00 Miles	90 Yards	0	1	250K	0	Mchenry
26.5	1972-09-28	4	42°17'N / 87°52'W	42°22'N / 87°50'W	5.20 Miles	220 Yards	0	20	2.5M	0	Lake
26.6	1967-04-21	4	41°40'N / 87°50'W	41°44'N / 87°33'W	15.00 Miles	200 Yards	33	500	25.0M	0	Cook
27.1	1984-04-27	3	41°35'N / 88°15'W	41°37'N / 88°11'W	4.00 Miles	200 Yards	1	5	2.5M	0	Will
28.1	1965-04-11	2	42°23'N / 88°01'W	42°22'N / 87°55'W	4.50 Miles	200 Yards	0	0	250K	0	Lake
28.2	1990-08-28	5	41°38'N / 88°15'W	41°31'N / 88°06'W	11.20 Miles	600 Yards	29	350	250.0M	0	Will
28.9	1958-10-09	2	42°24'N / 88°12'W	42°23'N / 87°52'W	16.70 Miles	33 Yards	0	0	2.5M	0	Lake
29.2	1997-05-18	2	42°25'N / 88°03'W	42°22'N / 87°54'W	6.00 Miles	75 Yards	0	0	0	0	Lake
		Brief Description: A tornado touched down on the southeast side of Lindenhurst and damaged trees and the roofs of several homes. The tornado reached F2 intensity near Sand Lake Road and Route 45 where 2 barns were destroyed, two foot diameter oak trees were broken off or uprooted and the roof was taken off a nursery. Signs were blown down along Sand Lake Road and Stearns School Road. A subdivision on the north side of Gurnee had damage to trees, a chimney blown off a house, windows broken, walls damaged, a garage door blown in and a fence blown down. Three quater inch hail also occurred in Lindenhurst.
29.5	1972-04-06	2	41°32'N / 88°12'W	41°34'N / 88°04'W	6.80 Miles	50 Yards	1	22	250K	0	Will
30.4	1956-08-23	2	41°35'N / 87°47'W				0	3	250K	0	Cook
30.6	1984-04-27	3	41°33'N / 88°20'W	41°35'N / 88°15'W	5.00 Miles	200 Yards	0	0	2.5M	0	Kendall
30.6	1972-04-06	2	41°31'N / 88°11'W	41°33'N / 88°05'W	5.10 Miles	50 Yards	0	0	250K	0	Will
31.1	1962-06-23	2	41°36'N / 87°43'W		0.50 Mile	100 Yards	0	10	250K	0	Cook
31.2	1965-11-12	2	41°34'N / 87°48'W	41°34'N / 87°47'W			0	0	25.0M	0	Cook
31.9	1993-08-15	2	41°31'N / 87°58'W		0.30 Mile	20 Yards	0	0	500K	0	Will
		Brief Description: A tornado touched down briefly in a New Lenox subdivision. On house was nearly destroyed. The roof was torn off and there was severe damage to one wall. Another home sustained minor damage and trees were damaged.
32.1	1965-11-12	2	41°27'N / 88°15'W	41°34'N / 87°48'W	24.50 Miles	120 Yards	2	90	25.0M	0	Will
34.8	1976-04-20	2	42°27'N / 87°50'W		0.80 Mile	50 Yards	0	2	25K	0	Lake
34.8	1996-04-19	2	42°27'N / 87°50'W	42°27'N / 87°50'W	2.00 Miles	100 Yards	0	2	6.6M	0	Lake
		Brief Description: The roof was torn off an apartment building. Over 400 homes and businesses sustained damage and 32 received major damage. Five trucks were overturned at a plant. Homes and garages had roof damage. Numerous trees were damaged or blown down. Injuries included a child with a broken leg and a woman cut by glass.
35.3	1967-04-21	4	42°17'N / 88°42'W	42°21'N / 88°26'W	14.00 Miles	1200 Yards	0	40	25.0M	0	Mchenry
36.4	1958-10-09	2	42°25'N / 88°43'W	42°24'N / 88°12'W	26.20 Miles	33 Yards	1	0	2.5M	0	Mchenry
37.5	1965-05-26	2	41°30'N / 87°42'W		1.00 Mile	50 Yards	0	0	25K	0	Cook
38.5	1975-06-18	2	42°03'N / 88°51'W	42°02'N / 88°45'W	4.70 Miles	27 Yards	0	1	250K	0	De Kalb
38.5	2008-06-07	2	41°28'N / 87°44'W	41°30'N / 87°40'W	4.00 Miles	150 Yards	0	0	4.0M	0K	Cook
		Brief Description: EVENT NARRATIVE: A tornado which touched down in northwest Will County, crossed Steger Road into Cook County, just west of Cicero Avenue. The tornado hit a subdivision on the northwest corner of Steger Road and Cicero Avenue. Large tree limbs were blown down and a couple trees were uprooted. Homes were somewhat sheltered by large trees and only sustained minor damage. One home near Cicero Avenue had part of its roof torn off. East of Cicero Avenue, the tornado weakened slightly as it moved through an apartment complex. Only minor damage to roofs, soffits and siding was noted. The tornado hit another subdivision along Imperial Drive. A few homes had garages partially collapsed or destroyed. The tornado then passed through an open area before crossing Governors Highway and the Illinois Central tracks, just south of Sauk Trail. The tornado hit an apartment complex just east of the highway and railroad tracks. One three story building had much of the roof ripped off and part of the third floor exterior walls blown down. Carports were collapsed and other buildings had minor damage. The tornado was rated EF2 in this area. The tornado moved through the intersection of Sauk Trail and Richton Square Road where a grocery store and car wash sustained damage. The tornado then weakened to EF0 intensity as it continued northeast across Central Park Avenue and the northwest part of Central Park. Only minor damage to trees was observed in a subdivision in this area. The tornado crossed the E J and E tracks, then it damaged a roof at an apartment complex near North Street and Orchard Drive. The last signs of tree damage were just southwest of the intersection of Lincoln Highway and Western Avenue. Multiple eyewitnesses reported a dog that was picked up by the tornado and carried a few hundred feet away. The dog, a 125 pound Rottweiler, was apparently unharmed. EPISODE NARRATIVE: A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.
39.4	2008-06-07	2	41°26'N / 87°46'W	41°28'N / 87°44'W	2.00 Miles	150 Yards	0	6	5.5M	0K	Will
		Brief Description: EVENT NARRATIVE: A tornado developed near Ridgeland Avenue and Dralle Road, where a high tension metal truss tower collapsed and four others were damaged. Power lines blocked Interstate 57. The tornado destroyed a mobile home and outbuildings east of Ridgeland between Dralle and Stuenkel Roads before crossing Interstate 57. The tornado was rated EF2 in this area. Six people were injured in vehicles on Interstate 57. Several cars were damaged and a semi trailer was completely destroyed. East of Interstate 57 at Stuenkel Road, a large warehouse had bay doors blown in, much of the roof collapsed, and the west wall blown in. Utility poles were pushed over along South Central Avenue. EPISODE NARRATIVE: A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.
40.7	1988-04-05	2	41°16'N / 88°09'W	41°30'N / 87°56'W	23.00 Miles	50 Yards	0	0	0K	0	Will
40.9	2008-06-07	2	41°24'N / 87°51'W	41°25'N / 87°47'W	4.00 Miles	150 Yards	0	0	500K	0K	Will
		Brief Description: EVENT NARRATIVE: A tornado touched down along Paulding Road just west of Center Road, south of the Green Garden Country Club. A garage was leveled and a house had part of its roof torn off and damage to the second story exterior walls. At the southwest corner of Bruns and 88th Avenue, barns and trees were damaged. The tornado continued along Bruns Road between 80th and 88th Avenues. On the south side of Bruns Road, a barn and an outbuilding were completely destroyed. The house lost a large section of the southeast wall on the second floor. Another house was heavily damaged with siding and a west wall blown off. North of Bruns Road, there was a barn that was practically destroyed with only a partial wall standing. A horse barn was destroyed with the stables intact and horses still standing in them. In the backyard of the next home, there were trees blown down and debris, such as trailers and a small rowboat were blown into the creek immediately north of Bruns Road. A chain link fence was pulled from the ground. Many trees were uprooted and blown over. Power lines were also blown down. The next house had damage to two garages. The doors were blown out of both garages and the roof of one garage was severely damaged. The house had siding and roof shingles blown off. A house at the east end of this section on Bruns Road, closest to 80th Avenue, had siding blown off and chimney damage. The tornado ended southwest of the intersection of Harlem Avenue and Manhattan-Monee Road, where there was minor tree damage. EPISODE NARRATIVE: A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.
40.9	1965-11-12	2	41°24'N / 88°28'W	41°27'N / 88°15'W	11.40 Miles	120 Yards	0	0	25.0M	0	Grundy
42.3	2008-01-07	3	42°33'N / 88°18'W	42°36'N / 88°08'W	9.00 Miles	200 Yards	0	15	13.7M	0K	Kenosha
		Brief Description: EVENT NARRATIVE: This tornado in western Kenosha County was a continuation of the tornado that spun up 2.27 mils NE of Pell Lake in southeastern Walworth County. It crossed into Kenosha County about 0.4 mile north of where CTH U in Walworth County crosses the county line and becomes CTH F in Walworth County. The tornado continued northeast to just east of the intersection of STH 50 and CTH O, crossed STH 83 just north of 51st Street just north of New Munster Creek, passed through the Village of Wheatland, turned more east and crossed 308th Ave. just north of Peterson Creek, and then dissipated near a pond between CTH PH and 41st Street (Town Rd). Fifteen people in the Civil Town of Wheatland sustained minor injuries. Also in the Civil Town of Wheatland, 7 homes were affected, 25 sustained minor damage, 27 had major damage, and 25 were destroyed. In the Civil Town of Brighton, 10 homes were affected, 3 had minor damage, 3 had major damage, and 4 were destroyed. About 160 people were homeless due to residential damage. This tornado traveled over frozen ponds and creeks, as well as snow piles leftover from recent snowmelt. Average path width was about 100 yards. The wind speed was estimated at 150 to 160 mph (DI 2 - FR12, DOD 8). For a couple homes, the visual damage suggested an EF4 rating, however insufficient anchoring allowed these structures to fail at a lower wind speed. Additionally, other nearby damage indicators didn't support an EF4 rating. The specific starting location in Kenosha County was 42.556342,-88.30533, and the ending location was 42.60061,-88.13524. For plotting purposes, here are a couple mid-point locations of this tornadoe's path: crossing of STH 83 - 42.59297, -88.22230, and the crossing of CTH B - 42.59756, -88.15928. EPISODE NARRATIVE: Very rare, mid-winter, severe storms affected parts of south-central and southeast Wisconsin on January 7th - in the form of two tornadoes and scattered, large, hailstones, and downburst winds. The last time a tornado occurred in January in Wisconsin was on the 24th in 1967 in Green and Rock Counties (25-mile track). On January 7th, a low pressure moved northeast through western Wisconsin, allowing a warm front to push through southern Wisconsin. Temperatures rose into the lower to mid 60s over southeast Wisconsin with surface dewpoints peaking in the mid to upper 50s, resulting in moderate amounts of instablity. Strong, veering winds from the surface to the jet stream level generated sufficient wind shear that supported rotating updrafts in scattered supercell thunderstorms over southeast Wisconsin. A supercell thunderstorm, that had spun up a tornado in northeastern Illinois previously, then crossed the state line into south-central Walworth County (southeast of the city of Walworth) where it intesified and eventually spun up a tornado near Pell Lake that traveled into western Kenosha County. Another supercell spun up a tornado over the northern reaches of the city of Kensoha. Other scattered thunderstorms on this day across south-central and southeast Wisconsin dumped large hail up to 3/4 inch in diameter.
42.7	1965-11-12	3	41°33'N / 87°29'W	41°34'N / 87°24'W	4.10 Miles	40 Yards	0	14	250K	0	Lake
43.0	1967-04-21	4	42°13'N / 88°55'W	42°17'N / 88°42'W	11.50 Miles	1200 Yards	24	410	250K	0	Boone
43.2	2008-06-07	2	41°21'N / 87°55'W	41°22'N / 87°53'W	2.00 Miles	400 Yards	0	0	50K	0K	Will
		Brief Description: EVENT NARRATIVE: A tornado touched down northeast of Wilton Center, just north of Route 52 and east of Elevator Road, where there was minor tree damage. Based on photos and eyewitness reports, the tornado grew to about 400 yards wide but remained in open fields with few structures or trees in its path. At 120th Avenue, a garage was destroyed and all that remained was a cinder block base. A metal outbuilding was severely damaged. The tornado ended near Manhattan-Wilton Road, just west of Route 45. EPISODE NARRATIVE: A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.
43.5	1958-08-15	2	41°46'N / 89°28'W	41°30'N / 88°04'W	74.50 Miles	100 Yards	0	0	250K	0	Lee
43.9	2008-01-07	3	42°25'N / 88°42'W	42°27'N / 88°36'W	6.00 Miles	100 Yards	0	1	2.0M	0K	Mchenry
		Brief Description: EVENT NARRATIVE: A tornado touched down at 330 pm CST about 1.2 miles north of Popular Grove in Boone County and ended at 348 pm about 3.2 miles north northeast of Harvard in McHenry County. The tornado crossed the Boone McHenry County line near Hunter Road, about 2.1 miles west northwest of Chemung. The tornado crossed Hunter Road into McHenry County and continued to track northeast across Ryan Road as an EF0 and caused mainly minor tree damage. It crossed White Oaks Road then it uprooted a hardwood tree and snapped off pine trees at their base along Maxon Road. This damage continued to be EF0 damage with winds estimated to 80 mph. The tornado intensified as it moved toward the town of Lawrence, where it produced the worst damage in McHenry County. Significant damage occurred in the town of Lawrence, particularly at a house that had more than half of its roof ripped off and garage blown down. The tornado then moved across the Chicago and Northwestern Railroad where it blew 12 railroad freight cars of the track. The train was moving at the time the tornado hit it, so as the main engine stopped, the remaining cars on the track continued along it and slammed into the front part of the train. This caused a few more cars to derail, including one containing hazardous materials that caused the evacuation of the town of Lawrence. The damage in Lawrence was rated as EF2 with winds up to 110 mph. As the tornado moved east of Lawrence it once again started to weaken with some tree damage and shingles off of a few houses on the northeast side of town. It then ran along Oak Grove Road for a stretch where it produced EF1 damage with a hardwood tree snapped at its base and knocked over an old, weakly structured barn. The tornado headed across farm fields and headed for Highway 14 where it damaged a metal barn and sheared a few trees. As it crossed Highway 14, it flipped a semi-trailer and injured the driver at a truck stop weigh station. It continued across Oak Grove Road where it lifted. The maximum width of the tornado in McHenry County was around 50 yards. EPISODE NARRATIVE: Severe thunderstorms developed ahead of a strong cold front across northern Illinois during the afternoon hours of January 7th. The storms moved southeast across east central Illinois during the early to mid evening hours.
44.3	1978-06-25	2	41°32'N / 88°41'W		0.90 Mile	300 Yards	0	0	25K	0	La Salle
45.0	2008-08-04	2	41°33'N / 87°25'W	41°33'N / 87°22'W	3.00 Miles	30 Yards	0	0	1.0M	0K	Lake
		Brief Description: EVENT NARRATIVE: A tornado touched down just northeast of the Ridge Road and Cline Avenue intersection. Damage occurred at the Griffith Park Plaza Mall where windows were blown out of a row of stores and a portion of a roof was blown off of a vacant store. The damage path continued to the east, behind the mall. Two parked semi-trailers in the back of the mall were shifted eastward while a third was completely knocked over. The area to the east of this mall in the subdivision along and north of 37th Avenue near Lafayette Avenue and Rensselaer Avenue sustained some of the strongest wind damage from this tornado. Two houses on Lafayette Avenue had their roofs blown off with another house on Rensselaer Avenue also having its roof collapsed and a garage door pushed inward. Other significant damage that occurred was at the Habitat for Humanity storage building at Colfax and Ridge Road. Here, a cinder block storage building completely toppled to the ground. Although the building was knocked over, it appears as though the main cause of it faltering was due to a large tree that fell on top of it. At a nearby gas station within feet of this building, no damage occurred and people actually witnessed the tornado descend on the shelter. EPISODE NARRATIVE: A line of powerful thunderstorms moved across northwest Indiana during the evening hours of August 4th. These storms produced widespread and significant wind damage.
45.3	1961-04-23	3	41°21'N / 88°13'W	41°19'N / 87°31'W	36.30 Miles	33 Yards	0	4	2.5M	0	Will
45.3	1951-11-13	2	41°36'N / 87°20'W		0.30 Mile	400 Yards	0	0	250K	0	Lake
46.4	1966-07-13	2	41°30'N / 87°25'W				0	0	25K	0	Lake
46.5	2008-01-07	3	42°23'N / 88°49'W	42°25'N / 88°42'W	7.00 Miles	100 Yards	0	4	2.0M	0K	Boone
		Brief Description: EVENT NARRATIVE: A tornado touched down at 330 pm CST about 1.2 miles north of Popular Grove in Boone County and ended at 348 pm about 3.2 miles north northeast of Harvard in McHenry County. The tornado crossed the Boone McHenry County line near Hunter Road, about 3 miles northeast of Capron. The first signs of damage were at Quail Trap Road just east of Popular Grove Road where trees were damaged and sections of roofing were removed from a shed. The tornado intensified to EF2 intensity at Edwards Apple Orchard on Centerville Road. A large barn was destroyed and other buildings were severely damaged. Large trees were snapped or uprooted. The tornado reached its maximum intensity of EF3 at the northeast corner of Centerville Road and Beaverton Road. A two story farm house and garage were leveled and large trees were stripped of all branches. The tornado was about 100 yards wide through this area. The tornado continued east northeast across Stimes Road and eventually crossed the Boone McHenry County line near Hunter Road. Most of the damage through this part of the tornado path was EF1, though it weakened to EF0 near the county line. There was damage to trees, power lines, barns and sheds. A few farm houses had shingles or small sections of roof damaged. Four injuries were reported. EPISODE NARRATIVE: Severe thunderstorms developed ahead of a strong cold front across northern Illinois during the afternoon hours of January 7th. The storms moved southeast across east central Illinois during the early to mid evening hours.
47.4	2010-11-22	2	42°19'N / 88°58'W	42°26'N / 88°39'W	18.00 Miles	200 Yards	0	6	5.0M	0K	Winnebago
		Brief Description: EVENT NARRATIVE: Based on an eyewitness report, a tornado touched in the backyard of a home just west of Interstate 39, on the eastern edge of a subdivision. The tornado then blew over a school bus near the intersection of Argyle and Harlem Roads. There were six people on the bus, the driver and five children. All six people were taken to the hospital but none of the injuries were serious. The tornado then knocked down eleven electrical high tension towers just southwest of the same intersection. The tornado continued northeast into western Boone county, and moved across largely open rural fields towards the town of Caledonia. Significant damage occured to at least six buildings in Caledonia, with approximately 20 additional buildings sustaining minor damage. Several large trees were snapped or uprooted and a grain bin was partially collapsed. The tornado then continued northeast from Caledonia, downing several power poles, and causing damage ranging from blown off roofs to completely destroying at least three farm outbuildings. One of these buildings, located 2 miles northwest of Capron, had also been damaged during the January 2008 tornado. The tornado path, consisting mainly of sporadic tree damage at this point, then continued to a location roughly one mile west of Lawrence, where the tornado appears to have dissipated at 325 pm. EPISODE NARRATIVE: Strong to severe thunderstorms moved across parts of northern Illinois during the afternoon hours of November 22nd. These storms produced two tornadoes, hail, heavy rain and some flooding.
47.9	1957-04-19	2	42°39'N / 88°18'W	42°39'N / 88°14'W	2.70 Miles	50 Yards	0	2	250K	0	Racine
48.2	1973-04-19	2	41°18'N / 88°18'W				0	0	250K	0	Grundy
48.5	2010-10-26	2	41°18'N / 87°44'W	41°20'N / 87°43'W	2.00 Miles	200 Yards	0	2	500K	0K	Will
		Brief Description: EVENT NARRATIVE: A tornado touched down about 4 miles east of Peotone. The tornado produced its most intense damage along South Will Center Road, about halfway between Corning Road and Peotone-Beacher Road, removing a house's roof, collapsing exterior walls on the second floor of the house, and completely destroying a garage and three other outbuildings. Two teenage boys were injured in the house. Four power poles were also downed just northeast of the area along Peotone-Beecher Road. Additional EF1 and EF0 damage was found along a path running southwest toward Kennedy Road. This damage consisted of collapsed outbuildings, snapped cedar trees, and damage to homes. One home on Corning Road was pushed off its foundation and the chimney collapsed. EPISODE NARRATIVE: A line of strong to severe thunderstorms moved across northern Illinois during the morning hours of October 26th. Three tornadoes were reported along with damaging winds.
48.6	1957-04-19	2	42°39'N / 88°20'W	42°39'N / 88°18'W			0	0	250K	0	Walworth
48.8	2008-06-07	2	41°12'N / 88°12'W	41°20'N / 88°00'W	14.00 Miles	200 Yards	0	0	500K	0K	Will
		Brief Description: EVENT NARRATIVE: A tornado touched down in far northwest Kankakee County then crossed County Line Road into Will County north of Essex. Tree tops were sheared off at Essex and Cooper Roads. A clear path could be seen in the trees at McGuire Road. At Route 113 and Smiley Road near Custer Park, trees were snapped and uprooted. Across the Kankakee River, a two story house had its roof completely removed and there was extensive tree damage. The tornado reached EF2 intensity at this point. The tornado continued across Route 102 near Ritchie where trees were damaged. The tornado crossed old Chicago Road near Kahler Road where power lines were blown down, a shed and barn were damaged and there was minor damage to a house. Another shed was destroyed. The tornado weakened as it moved from Symerton and Kennedy Roads to Warner Bridge and Arsenal Roads. There was no damage except to one tree. There was minor damage to a barn and tree limbs north of Arsenal Road before the tornado dissipated. EPISODE NARRATIVE: A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.
48.9	1966-03-21	2	42°40'N / 88°19'W	42°41'N / 88°03'W	13.30 Miles	200 Yards	0	0	2.5M	0	Racine
49.4	1962-07-20	2	41°32'N / 87°25'W	41°35'N / 87°08'W	14.90 Miles	33 Yards	0	0	25K	0	Lake

* 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.