Highmore-Harrold School District 34-2 Natural Disasters and Weather Extremes
The chance of earthquake damage in Highmore-Harrold School District 34-2 is about the same as South Dakota average and is much lower than the national average. The risk of tornado damage in Highmore-Harrold School District 34-2 is lower than South Dakota average and is much lower than the national average.
Earthquake Index, #50
| Highmore-Harrold School District 34-2 | 0.04 |
| South Dakota | 0.05 |
| 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
| Highmore-Harrold School District 34-2 | 0.0000 |
| South Dakota | 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, #129
| Highmore-Harrold School District 34-2 | 59.61 |
| South Dakota | 114.73 |
| 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 1,568 other weather extremes events within 50 miles of Highmore-Harrold School District 34-2 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: | 0 | Cold: | 0 | Dense Fog: | 0 | Drought: | 0 |
| Dust Storm: | 0 | Flood: | 63 | Hail: | 902 | Heat: | 0 | Heavy Snow: | 0 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 1 |
| Thunderstorm Winds: | 580 | Tropical Storm: | 0 | Wildfire: | 2 | Winter Storm: | 0 | Winter Weather: | 0 |
| Other: | 20 | ||||||||
Volcanos Nearby
No volcano is found in or near Highmore-Harrold School District 34-2.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Highmore-Harrold School District 34-2.
| Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
| 22.7 | 1983-03-04 | 4.6 | 5 | 44.21 | -99.41 |
Historical Tornado Events
A total of 22 historical tornado events that had recorded magnitude of 2 or above found in or near Highmore-Harrold School District 34-2.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 19.6 | 1992-06-30 | 2 | 44°22'N / 99°55'W | 0.30 Mile | 30 Yards | 0 | 0 | 25K | 0 | Hughes | |
| 23.7 | 1971-07-03 | 3 | 44°16'N / 99°14'W | 44°15'N / 99°17'W | 0 | 0 | 25K | 0 | Hand | ||
| 28.5 | 2006-08-24 | 2 | 44°31'N / 99°04'W | 44°30'N / 98°56'W | 5.00 Miles | 300 Yards | 0 | 0 | 0 | 0 | Hand |
| Brief Description: A supercell thunderstorm on its southeast track produced a fourth tornado in Hand county. This tornado touched down west of Miller. The tornado destroyed a large barn and a car was moved nearly 20 feet. Well built structures were heavily damaged and several were pushed slightly off of their foundations. Significant tree damage also occurred. | |||||||||||
| 28.8 | 1983-09-02 | 2 | 44°48'N / 99°09'W | 0.20 Mile | 10 Yards | 0 | 0 | 25K | 0 | Hand | |
| 29.8 | 1971-07-09 | 3 | 44°05'N / 99°36'W | 0 | 0 | 0K | 0 | Lyman | |||
| 31.1 | 1983-09-02 | 2 | 44°54'N / 99°15'W | 0.20 Mile | 10 Yards | 0 | 0 | 3K | 0 | Hand | |
| 32.1 | 1971-10-01 | 2 | 44°43'N / 100°10'W | 0.50 Mile | 300 Yards | 0 | 0 | 25K | 0 | Sully | |
| 32.9 | 1992-06-16 | 3 | 44°03'N / 99°26'W | 2.00 Miles | 73 Yards | 0 | 8 | 25.0M | 0 | Buffalo | |
| 36.2 | 1971-07-03 | 2 | 44°13'N / 99°00'W | 44°14'N / 98°56'W | 2.30 Miles | 100 Yards | 0 | 0 | 25K | 0 | Hand |
| 37.3 | 1987-08-05 | 2 | 44°01'N / 99°52'W | 1.20 Miles | 80 Yards | 0 | 0 | 250K | 0 | Lyman | |
| 39.7 | 1973-07-23 | 3 | 44°21'N / 100°21'W | 2.50 Miles | 500 Yards | 0 | 10 | 2.5M | 0 | Hughes | |
| 40.9 | 1966-07-26 | 2 | 45°00'N / 99°06'W | 0 | 0 | 3K | 0 | Faulk | |||
| 41.8 | 1968-06-20 | 2 | 44°22'N / 100°24'W | 0 | 0 | 0K | 0 | Stanley | |||
| 41.9 | 1957-06-09 | 3 | 45°02'N / 99°08'W | 1.00 Mile | 33 Yards | 0 | 0 | 25K | 0 | Faulk | |
| 42.1 | 2006-08-24 | 2 | 44°26'N / 98°47'W | 44°25'N / 98°41'W | 5.00 Miles | 300 Yards | 0 | 0 | 0 | 0 | Hand |
| Brief Description: A supercell thunderstorm tracking southeast produced a fifth tornado in Hand county. The tornado touched downed south of Vayland and tracked southeast and into Beadle county. See storm data for southeast South Dakota. The tornado formed in a heavily wooded area tracking along a county road producing F1 damage to several farmsteads. A mobile home was flipped and destroyed. A grain storage building was flipped onto a car. Several homes had significant roof and window damage. Numerous trees were snapped. As the tornado crossed into Beadle county it was producing F2 damage. | |||||||||||
| 42.2 | 1973-04-19 | 2 | 44°55'N / 98°54'W | 44°57'N / 99°00'W | 4.90 Miles | 27 Yards | 0 | 0 | 3K | 0 | Faulk |
| 42.7 | 1955-04-19 | 2 | 45°01'N / 99°56'W | 45°10'N / 99°51'W | 10.80 Miles | 67 Yards | 0 | 0 | 0K | 0 | Potter |
| 42.7 | 1959-06-23 | 2 | 44°27'N / 98°43'W | 0 | 0 | 25K | 0 | Hand | |||
| 43.7 | 1971-07-09 | 3 | 43°53'N / 99°37'W | 0 | 2 | 0K | 0 | Lyman | |||
| 44.0 | 1959-05-25 | 2 | 44°15'N / 98°46'W | 0 | 0 | 3K | 0 | Hand | |||
| 45.3 | 1971-07-03 | 2 | 44°14'N / 98°59'W | 44°02'N / 98°41'W | 20.10 Miles | 30 Yards | 0 | 0 | 0K | 0 | Hand |
| 49.0 | 1955-04-19 | 2 | 45°01'N / 100°07'W | 45°16'N / 99°59'W | 18.20 Miles | 27 Yards | 0 | 0 | 3K | 0 | Potter |
* 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.