Grass Range Elementary School District Natural Disasters and Weather Extremes
The chance of earthquake damage in Grass Range Elementary School District is much lower than Montana average and is much lower than the national average. The risk of tornado damage in Grass Range Elementary School District is about the same as Montana average and is much lower than the national average.
Earthquake Index, #359
| Grass Range Elementary School District | 0.00 |
| Montana | 1.98 |
| 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, #41
| Grass Range Elementary School District | 0.0000 |
| Montana | 0.0002 |
| 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, #110
| Grass Range Elementary School District | 11.03 |
| Montana | 7.73 |
| 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 596 other weather extremes events within 50 miles of Grass Range Elementary School District 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: | 2 | Cold: | 0 | Dense Fog: | 0 | Drought: | 2 |
| Dust Storm: | 0 | Flood: | 21 | Hail: | 362 | Heat: | 0 | Heavy Snow: | 5 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 19 |
| Thunderstorm Winds: | 142 | Tropical Storm: | 0 | Wildfire: | 3 | Winter Storm: | 10 | Winter Weather: | 0 |
| Other: | 30 | ||||||||
Volcanos Nearby
No volcano is found in or near Grass Range Elementary School District.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Grass Range Elementary School District.
No historical earthquake events found in or near Grass Range Elementary School District.
Historical Tornado Events
A total of 4 historical tornado events that had recorded magnitude of 2 or above found in or near Grass Range Elementary School District.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 24.1 | 1999-08-14 | 2 | 47°04'N / 109°25'W | 47°05'N / 109°23'W | 5.00 Miles | 100 Yards | 0 | 3 | 4.0M | 0 | Fergus |
| Brief Description: NUMEROUS HAIL REPORTS 1 TO 2 INCHES...ONE WIND ESTIMATE AHEAD OF TORNADO 87KT | |||||||||||
| 25.9 | 1981-05-28 | 2 | 47°21'N / 109°03'W | 1.50 Miles | 100 Yards | 0 | 0 | 0K | 0 | Fergus | |
| 27.6 | 2002-07-08 | 2 | 47°15'N / 109°21'W | 47°15'N / 109°21'W | 10.00 Miles | 200 Yards | 0 | 0 | 100K | 0 | Fergus |
| Brief Description: A severe thunderstorm moved across the northern half of Fergus County during the late afternoon hours on the 8th. This storm produced a widespread area of one to two inch hail from Brooks to Roy, with wind gusts over 70 mph. When the storm was just north of Brooks, a tornado developed. This tornado was on the ground for several miles, but remained over rural areas of Fergus County. However, this tornado did hit three residences, causing damage to houses and several barns. A few mobile homes were also damaged and one grain elevator near Moulton was toppled. | |||||||||||
| 32.0 | 1962-08-07 | 2 | 47°18'N / 108°24'W | 2.00 Miles | 10 Yards | 0 | 0 | 3K | 0 | Petroleum | |
* 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.