Tri County Area Schools Natural Disasters and Weather Extremes
The chance of earthquake damage in Tri County Area Schools is about the same as Michigan average and is much lower than the national average. The risk of tornado damage in Tri County Area Schools is lower than Michigan average and is lower than the national average.
Earthquake Index, #619
| Tri County Area Schools | 0.00 |
| Michigan | 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
| Tri County Area Schools | 0.0000 |
| Michigan | 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, #579
| Tri County Area Schools | 122.36 |
| Michigan | 140.33 |
| 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 1,976 other weather extremes events within 50 miles of Tri County Area Schools 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: | 6 | Cold: | 1 | Dense Fog: | 2 | Drought: | 0 |
| Dust Storm: | 0 | Flood: | 98 | Hail: | 534 | Heat: | 1 | Heavy Snow: | 90 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 13 | Landslide: | 0 | Strong Wind: | 29 |
| Thunderstorm Winds: | 1,053 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 76 | Winter Weather: | 5 |
| Other: | 68 | ||||||||
Volcanos Nearby
No volcano is found in or near Tri County Area Schools.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Tri County Area Schools.
No historical earthquake events found in or near Tri County Area Schools.
Historical Tornado Events
A total of 46 historical tornado events that had recorded magnitude of 2 or above found in or near Tri County Area Schools.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 8.1 | 1966-04-20 | 2 | 43°29'N / 85°27'W | 0.10 Mile | 33 Yards | 0 | 0 | 25K | 0 | Mecosta | |
| 10.9 | 1956-04-03 | 5 | 43°18'N / 85°20'W | 43°20'N / 85°17'W | 1.90 Miles | 400 Yards | 0 | 0 | 25K | 0 | Montcalm |
| 11.0 | 1968-09-09 | 2 | 43°13'N / 85°33'W | 1.00 Mile | 33 Yards | 0 | 1 | 25K | 0 | Kent | |
| 13.5 | 1975-06-17 | 2 | 43°26'N / 85°46'W | 1.50 Miles | 60 Yards | 1 | 0 | 0K | 0 | Newaygo | |
| 15.4 | 1968-04-23 | 3 | 43°49'N / 85°22'W | 43°06'N / 85°05'W | 51.40 Miles | 100 Yards | 0 | 3 | 2.5M | 0 | Osceola |
| 17.3 | 1965-04-11 | 4 | 43°03'N / 85°39'W | 43°12'N / 85°27'W | 14.20 Miles | 300 Yards | 0 | 0 | 0K | 0 | Kent |
| 17.9 | 1956-04-03 | 5 | 42°56'N / 85°47'W | 43°18'N / 85°20'W | 33.80 Miles | 400 Yards | 4 | 130 | 25K | 0 | Kent |
| 22.6 | 1974-06-09 | 2 | 43°42'N / 85°29'W | 1.50 Miles | 100 Yards | 0 | 2 | 250K | 0 | Mecosta | |
| 23.1 | 1961-09-22 | 2 | 43°05'N / 85°47'W | 43°07'N / 85°46'W | 0 | 0 | 25K | 0 | Kent | ||
| 24.5 | 1956-05-12 | 2 | 43°26'N / 85°07'W | 43°31'N / 84°58'W | 9.10 Miles | 33 Yards | 0 | 0 | 250K | 0 | Montcalm |
| 25.2 | 1965-04-11 | 4 | 43°02'N / 85°47'W | 43°03'N / 85°39'W | 6.20 Miles | 300 Yards | 5 | 142 | 2.5M | 0 | Kent |
| 26.2 | 1961-09-22 | 2 | 43°02'N / 85°49'W | 43°05'N / 85°47'W | 2.70 Miles | 2000 Yards | 0 | 1 | 25K | 0 | Ottawa |
| 26.9 | 1968-04-23 | 3 | 43°42'N / 85°29'W | 43°49'N / 85°22'W | 9.50 Miles | 100 Yards | 0 | 8 | 2.5M | 0 | Mecosta |
| 28.6 | 1994-07-04 | 2 | 43°06'N / 85°05'W | 0.30 Mile | 150 Yards | 0 | 0 | 500K | 0 | Montcalm | |
| Brief Description: A brick, ranch style home in Fairplain Township was totally destroyed by an apparent tornado. No one actually saw a tornado, but the debris pattern and localization of the damage strongly suggested a tornado rather than straight-line thunderstorm winds. Seven people were in the home at the time, but no one was injured. A small shed was also torn up. The path length and width were estimated from the debris pattern. Trees up to 10 inches in diameter were broken off at the ground in a counter-clockwise pattern. | |||||||||||
| 29.4 | 1965-09-04 | 2 | 43°11'N / 86°02'W | 0 | 0 | 25K | 0 | Muskegon | |||
| 29.5 | 1965-04-11 | 4 | 43°01'N / 85°55'W | 43°02'N / 85°47'W | 6.20 Miles | 300 Yards | 0 | 0 | 25K | 0 | Ottawa |
| 30.7 | 1966-07-12 | 2 | 43°04'N / 85°57'W | 2.00 Miles | 33 Yards | 0 | 0 | 25K | 0 | Ottawa | |
| 31.6 | 1967-04-21 | 2 | 42°55'N / 85°30'W | 0.30 Mile | 27 Yards | 0 | 0 | 25K | 0 | Kent | |
| 31.6 | 1967-04-21 | 3 | 42°54'N / 85°46'W | 42°57'N / 85°30'W | 13.60 Miles | 400 Yards | 0 | 32 | 25.0M | 0 | Kent |
| 31.6 | 1985-06-08 | 2 | 43°58'N / 85°32'W | 43°41'N / 85°16'W | 24.00 Miles | 150 Yards | 0 | 0 | 250K | 0 | Mecosta |
| 32.2 | 1965-04-11 | 2 | 43°15'N / 84°56'W | 43°18'N / 84°50'W | 5.40 Miles | 440 Yards | 0 | 0 | 250K | 0 | Montcalm |
| 32.6 | 1951-09-26 | 2 | 43°47'N / 85°52'W | 43°47'N / 85°48'W | 2.30 Miles | 440 Yards | 1 | 3 | 0K | 0 | Newaygo |
| 36.5 | 1965-09-04 | 2 | 43°01'N / 86°06'W | 43°05'N / 86°04'W | 4.10 Miles | 33 Yards | 0 | 0 | 25K | 0 | Ottawa |
| 38.2 | 1965-04-11 | 2 | 43°18'N / 84°50'W | 43°23'N / 84°40'W | 9.70 Miles | 440 Yards | 0 | 1 | 250K | 0 | Gratiot |
| 39.0 | 1956-03-06 | 2 | 42°57'N / 86°07'W | 42°58'N / 85°57'W | 8.00 Miles | 100 Yards | 0 | 0 | 25K | 0 | Ottawa |
| 39.1 | 1975-05-20 | 2 | 42°49'N / 85°44'W | 42°50'N / 85°40'W | 2.30 Miles | 33 Yards | 0 | 1 | 250K | 0 | Kent |
| 39.2 | 1956-04-03 | 3 | 42°45'N / 85°32'W | 42°52'N / 85°20'W | 12.60 Miles | 200 Yards | 0 | 0 | 2.5M | 0 | Barry |
| 39.4 | 1957-06-22 | 2 | 42°52'N / 85°52'W | 0 | 0 | 25K | 0 | Ottawa | |||
| 40.4 | 1976-03-20 | 2 | 42°53'N / 85°06'W | 42°57'N / 84°55'W | 9.90 Miles | 50 Yards | 0 | 0 | 25K | 0 | Ionia |
| 40.8 | 1956-04-03 | 5 | 42°46'N / 85°59'W | 42°56'N / 85°47'W | 15.10 Miles | 400 Yards | 14 | 200 | 250K | 0 | Ottawa |
| 43.6 | 1967-04-21 | 2 | 42°43'N / 85°27'W | 42°48'N / 85°11'W | 14.50 Miles | 500 Yards | 0 | 1 | 25K | 0 | Barry |
| 43.7 | 1956-05-12 | 2 | 43°06'N / 84°51'W | 43°02'N / 84°39'W | 10.70 Miles | 33 Yards | 0 | 3 | 2.5M | 0 | Clinton |
| 44.4 | 1968-08-05 | 2 | 42°56'N / 85°33'W | 42°43'N / 84°33'W | 52.70 Miles | 50 Yards | 0 | 0 | 250K | 0 | Kent |
| 44.7 | 1963-06-09 | 2 | 42°46'N / 85°49'W | 2.00 Miles | 33 Yards | 0 | 0 | 25K | 0 | Allegan | |
| 44.8 | 1965-04-11 | 2 | 43°23'N / 84°37'W | 0.10 Mile | 50 Yards | 0 | 0 | 25K | 0 | Gratiot | |
| 44.8 | 1965-04-11 | 2 | 43°23'N / 84°37'W | 0.50 Mile | 50 Yards | 0 | 0 | 25K | 0 | Gratiot | |
| 45.7 | 1965-04-11 | 2 | 43°22'N / 84°36'W | 1.00 Mile | 50 Yards | 0 | 0 | 25K | 0 | Gratiot | |
| 45.9 | 1956-06-26 | 2 | 43°11'N / 84°41'W | 43°17'N / 84°33'W | 9.20 Miles | 33 Yards | 0 | 2 | 250K | 0 | Gratiot |
| 46.1 | 1967-04-21 | 2 | 42°52'N / 84°55'W | 42°53'N / 84°53'W | 0 | 6 | 250K | 0 | Ionia | ||
| 46.1 | 1989-11-27 | 2 | 42°50'N / 84°55'W | 42°55'N / 84°53'W | 6.00 Miles | 100 Yards | 0 | 0 | 250K | 0 | Ionia |
| 47.4 | 1965-10-07 | 2 | 43°47'N / 84°45'W | 2.00 Miles | 50 Yards | 0 | 0 | 25K | 0 | Isabella | |
| 48.0 | 1972-04-12 | 2 | 43°49'N / 86°15'W | 0.10 Mile | 27 Yards | 0 | 8 | 2.5M | 0 | Mason | |
| 48.8 | 1965-04-11 | 3 | 42°39'N / 85°18'W | 42°46'N / 85°04'W | 14.10 Miles | 33 Yards | 0 | 5 | 250K | 0 | Barry |
| 49.1 | 1991-05-28 | 2 | 43°41'N / 86°23'W | 43°44'N / 86°22'W | 3.00 Miles | 60 Yards | 0 | 0 | 250K | 0 | Oceana |
| 49.5 | 1967-04-21 | 4 | 42°56'N / 84°48'W | 43°01'N / 84°35'W | 12.00 Miles | 50 Yards | 0 | 8 | 2.5M | 0 | Clinton |
| 50.0 | 1974-06-20 | 2 | 42°44'N / 85°59'W | 42°42'N / 85°52'W | 5.70 Miles | 20 Yards | 0 | 0 | 250K | 0 | Allegan |
* 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.