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Potomac, IL Natural Disasters and Weather Extremes

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The chance of earthquake damage in Potomac is lower than Illinois average and is much lower than the national average. The risk of tornado damage in Potomac is lower than Illinois average and is higher than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #1140

Potomac, IL

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

Potomac, IL

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, #1060

Potomac, IL

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 2,502 other weather extremes events within 50 miles of Potomac, IL were recorded from 1950 to 2010. The following is a break down of these events:

Avalanche:0Blizzard:3Cold:12Dense Fog:4Drought:1
Dust Storm:0Flood:432Hail:603Heat:12Heavy Snow:37
High Surf:0Hurricane:0Ice Storm:16Landslide:0Strong Wind:38
Thunderstorm Winds:1,222Tropical Storm:0Wildfire:0Winter Storm:60Winter Weather:11

Volcanos Nearby

No volcano is found in or near Potomac, IL.

Historical Earthquake Events

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

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

Historical Tornado Events

A total of 78 historical tornado events that had recorded magnitude of 2 or above found in or near Potomac, IL.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.51975-11-10240°22'N / 87°50'W0.10 Mile3 Yards00250K0Vermilion
6.81953-04-09340°14'N / 87°53'W40°15'N / 87°31'W19.20 Miles150 Yards1525.0M0Vermilion
9.71962-07-02240°11'N / 87°59'W40°13'N / 87°51'W6.90 Miles50 Yards0025K0Champaign
10.31976-03-20440°07'N / 87°57'W40°12'N / 87°41'W14.90 Miles800 Yards002.5M0Vermilion
10.91974-04-03240°15'N / 87°38'W40°21'N / 87°33'W7.80 Miles177 Yards0122.5M0Vermilion
12.01961-07-21240°16'N / 87°37'W40°16'N / 87°32'W3.60 Miles33 Yards0025K0Vermilion
12.61973-08-14240°28'N / 87°41'W0025K0Vermilion
14.91996-04-19340°07'N / 87°57'W40°08'N / 87°57'W2.00 Miles1500 Yards11300Champaign
 Brief Description: A tornado touched down half a mile to the southwest of Ogden and travelled to the northeast right through the middle of the town. The tornado destroyed 68 homes, 12 businesses, 3 churches, the library, and a grade school. Once east of town, the tornado crossed I-74, where it killed a woman who was riding in a semi with her husband. The semi and trailer were picked up and rolled into a field. The woman, who had been in the sleeper portion, was thrown about 30 yards from the truck. She was killed instantly. After rolling the semi, the tornado damaged 2 more homes before lifting and dissipating 1 mile north northeast of Ogden. Back in Ogden the damage was variable. One house would have significant damage, when a nearby structure would only have minor damage. In addition to the destroyed homes and businesses, 128 homes and 8 businesses sustained major damage and 51 homes and 12 businesses had minor damage. With it's larger width, it appears that this tornado had multiple circulations within the parent tornado. Overall, one woman was killed and thirteen people were injured. No damage estimate was available yet. F55VE
14.91953-04-09340°11'N / 88°13'W40°14'N / 87°53'W17.80 Miles150 Yards0525.0M0Champaign
15.81974-04-12240°06'N / 88°06'W40°16'N / 88°00'W12.50 Miles20 Yards00250K0Champaign
18.11987-06-02240°07'N / 88°02'W0.10 Mile10 Yards0025K0Champaign
18.51976-04-23240°34'N / 87°53'W0025K0Iroquois
21.11974-04-03339°57'N / 88°04'W40°07'N / 87°53'W14.90 Miles350 Yards00250K0Champaign
23.71976-04-23240°36'N / 88°02'W0025K0Iroquois
24.11980-06-02240°08'N / 87°24'W0025.0M0Fountain
24.11968-05-15340°37'N / 87°42'W40°39'N / 87°34'W7.10 Miles400 Yards002.5M0Iroquois
24.41956-03-06240°34'N / 87°29'W0.40 Mile250 Yards03250K0Benton
26.11967-01-24240°05'N / 88°19'W40°09'N / 88°08'W10.40 Miles50 Yards0525K0Champaign
26.51975-05-24240°41'N / 87°42'W0.10 Mile10 Yards0025K0Iroquois
26.81974-04-03340°17'N / 87°29'W40°33'N / 87°08'W25.90 Miles700 Yards00250K0Warren
27.01956-03-06340°38'N / 88°00'W40°44'N / 87°52'W9.40 Miles500 Yards06250K0Iroquois
27.31996-04-19340°04'N / 88°15'W40°05'N / 88°11'W4.00 Miles220 Yards0129.0M0Champaign
 Brief Description: A tornado briefly touched down 1 mile north of Savoy (near Rt. 45 and Curtis Road) and destroyed 3 homes under construction. Then the tornado lifted, travelled to the northeast, and touched down again 1 mile south of Urbana. The tornado destroyed 30 homes, caused moderate damage to 29 homes and one business, and minor damage to 54 homes and 4 businesses. Twelve people were injured and damage was estimated between $7 and $11 million.
28.91961-03-06239°53'N / 88°07'W39°55'N / 87°44'W20.30 Miles33 Yards00250K0Champaign
28.91973-08-12239°54'N / 87°40'W000K0Vermilion
29.01974-04-03339°59'N / 88°14'W40°02'N / 88°08'W5.90 Miles70 Yards10250K0Champaign
29.01960-05-19240°16'N / 87°15'W0025K0Delaware
29.21976-03-20439°55'N / 88°27'W40°07'N / 87°57'W29.70 Miles800 Yards0112.5M0Champaign
29.91991-08-08240°30'N / 87°19'W40°29'N / 87°15'W5.00 Miles127 Yards00250K0Benton
30.61956-05-21240°43'N / 88°01'W2.00 Miles70 Yards0025K0Iroquois
31.21980-06-07240°39'N / 88°14'W40°37'N / 88°11'W3.00 Miles33 Yards002.5M0Ford
32.51991-08-08240°29'N / 87°15'W40°27'N / 87°11'W4.00 Miles127 Yards00250K0Warren
32.91960-06-23239°59'N / 88°16'W39°57'N / 88°12'W3.80 Miles800 Yards0025K0Champaign
32.91954-05-31240°40'N / 88°06'W40°53'N / 87°44'W24.20 Miles400 Yards02250K0Iroquois
33.11960-06-05240°21'N / 88°31'W40°19'N / 88°20'W9.60 Miles33 Yards0025K0Mclean
33.61965-09-14240°28'N / 88°28'W40°28'N / 88°20'W6.60 Miles77 Yards02250K0Ford
34.11973-03-31240°47'N / 87°58'W0025K0Iroquois
35.01963-04-22339°58'N / 88°28'W40°00'N / 88°09'W16.80 Miles200 Yards05250K0Champaign
35.21963-04-22339°48'N / 87°55'W39°48'N / 87°32'W20.20 Miles1600 Yards02025K0Edgar
36.21982-08-24240°33'N / 88°28'W40°33'N / 88°21'W5.50 Miles300 Yards002.5M0Ford
36.51953-04-09340°15'N / 87°31'W40°16'N / 86°42'W42.90 Miles750 Yards002.5M0Warren
36.61990-06-20239°53'N / 88°14'W39°52'N / 88°10'W3.00 Miles100 Yards002.5M0Douglas
36.81965-09-14240°49'N / 88°00'W1.00 Mile50 Yards0225K0Iroquois
36.91990-06-20239°55'N / 88°16'W39°53'N / 88°14'W5.00 Miles100 Yards002.5M0Champaign
37.21962-04-30240°47'N / 87°28'W0525K0Newton
38.01963-04-22339°48'N / 87°32'W39°48'N / 87°30'W000K0Vermillion
38.21960-06-05240°03'N / 88°28'W39°57'N / 88°20'W9.70 Miles20 Yards01250K0Champaign
38.31963-04-22339°48'N / 88°16'W39°48'N / 87°55'W18.40 Miles1600 Yards02025K0Douglas
38.51961-03-06239°48'N / 88°17'W39°53'N / 88°07'W10.30 Miles33 Yards02250K0Douglas
38.61974-04-03440°30'N / 87°08'W40°32'N / 87°06'W1.30 Miles333 Yards00250.0M0Benton
38.91954-06-01240°42'N / 87°16'W003K0Benton
39.41965-09-14240°28'N / 88°34'W40°28'N / 88°28'W4.90 Miles77 Yards00250K0Mclean
39.81974-06-06239°50'N / 88°17'W39°52'N / 88°14'W3.30 Miles33 Yards003K0Douglas
40.51990-06-02239°46'N / 87°31'W39°48'N / 87°23'W6.50 Miles150 Yards00250K0Vermillion
40.61992-06-17240°53'N / 87°57'W0.10 Mile20 Yards01250K0Iroquois
40.71990-06-02239°42'N / 87°43'W39°46'N / 87°31'W11.00 Miles150 Yards0025K0Edgar
41.41963-04-22240°23'N / 87°01'W1.00 Mile100 Yards003K0Tippecanoe
42.41990-06-02239°43'N / 87°31'W39°46'N / 87°27'W4.00 Miles100 Yards06250K0Vermillion
42.71974-04-03340°31'N / 88°37'W40°34'N / 88°29'W7.40 Miles350 Yards00250K0Mclean
42.81990-06-02239°43'N / 87°35'W39°43'N / 87°31'W4.00 Miles100 Yards000K0Edgar
43.41980-06-01239°48'N / 88°17'W1.00 Mile3 Yards072.5M0Douglas
44.52001-10-24240°02'N / 88°35'W40°03'N / 88°33'W1.80 Miles300 Yards002.2M0Piatt
 Brief Description: An eyewitness reported that the tornado touched down on the southwest side of Monticello and traveled to the north northeast across town. It blew down numerous trees near the golf course then destroyed a storage building. In this area the tornado intensified to F2 Intensity (wind speeds of 120 to 130 mph) taking the roof of a church completely off and blew it into the roof of a nearby 2 story apartment building. The apartment building suffered severe damage and has been deemed uninhabitable. A farm implement building/business, which was close to 200 feet in length, had roughly three quarters of the building destroyed. Damage for this building was estimated at nearly $2 million, as several combines inside were severely damaged or destroyed. Debris from the building was thrown into a nearby power substation, causing a complete power outage to the town of 5,000 residents as well as neighboring communities. The tornado appeared to have lifted off the ground and stayed at tree top level for the remainder of its life through the town producing F0 damage. Numerous trees had the tops broken off and several large trees were uprooted. Once outside of town it did touch down briefly once more, damaging the roof of one home and destroying several outbuildings and a garage of another homestead about a mile north northeast of town. In this location, several 2 inch by 6 inch pieces of lumber from one of the machine sheds had shot through patio doors into the home. No injuries were reported due to the tornado. Damage is estimated around $2.2 million.
45.11950-03-27240°34'N / 88°36'W40°36'N / 88°33'W3.00 Miles50 Yards003K0Mclean
45.11978-06-25240°46'N / 88°34'W40°46'N / 88°15'W16.40 Miles400 Yards00250K0Livingston
45.71965-09-14240°21'N / 86°57'W40°23'N / 86°55'W1.30 Miles400 Yards00250K0Tippecanoe
46.21987-07-06240°55'N / 87°26'W0.90 Mile250 Yards032.5M0Newton
47.11968-05-15240°29'N / 86°56'W003K0Tippecanoe
47.11956-04-03240°55'N / 88°12'W2.00 Miles50 Yards0025K0Ford
47.31959-05-11240°00'N / 88°36'W0.10 Mile30 Yards00250K0Piatt
47.61990-06-22241°00'N / 87°55'W40°59'N / 87°53'W2.00 Miles100 Yards00250K0Iroquois
48.31980-06-07240°52'N / 88°46'W40°39'N / 88°14'W31.50 Miles880 Yards002.5M0Livingston
48.71982-08-24240°31'N / 88°53'W40°33'N / 88°28'W18.00 Miles300 Yards002.5M0Mclean
48.91990-06-22241°01'N / 87°56'W41°00'N / 87°55'W1.00 Mile100 Yards00250K0Kankakee
48.91986-09-29240°42'N / 88°35'W40°45'N / 88°31'W4.00 Miles50 Yards002.5M0Livingston
48.91956-04-03240°06'N / 88°47'W40°08'N / 88°36'W9.50 Miles40 Yards0025K0De Witt
49.11969-09-04241°01'N / 87°45'W2.50 Miles33 Yards0025K0Kankakee
49.11963-04-22339°57'N / 88°45'W39°58'N / 88°28'W15.00 Miles200 Yards00250K0Macon
49.41988-10-17239°38'N / 87°30'W39°38'N / 87°28'W2.00 Miles200 Yards02250K0Vermillion
49.81976-03-20440°28'N / 87°00'W40°34'N / 86°47'W13.10 Miles300 Yards062.5M0Tippecanoe

* 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.

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