Velva Public School District 1 Natural Disasters and Weather Extremes
The chance of earthquake damage in Velva Public School District 1 is about the same as North Dakota average and is much lower than the national average. The risk of tornado damage in Velva Public School District 1 is lower than North Dakota average and is much lower than the national average.
Earthquake Index, #91
| Velva Public School District 1 | 0.00 |
| North Dakota | 0.00 |
| 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
| Velva Public School District 1 | 0.0000 |
| North 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, #137
| Velva Public School District 1 | 52.30 |
| North Dakota | 81.79 |
| 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 1,156 other weather extremes events within 50 miles of Velva Public School District 1 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: | 47 | Cold: | 39 | Dense Fog: | 0 | Drought: | 4 |
| Dust Storm: | 0 | Flood: | 36 | Hail: | 517 | Heat: | 1 | Heavy Snow: | 21 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 4 | Landslide: | 0 | Strong Wind: | 36 |
| Thunderstorm Winds: | 337 | Tropical Storm: | 0 | Wildfire: | 0 | Winter Storm: | 57 | Winter Weather: | 6 |
| Other: | 51 | ||||||||
Volcanos Nearby
No volcano is found in or near Velva Public School District 1.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Velva Public School District 1.
No historical earthquake events found in or near Velva Public School District 1.
Historical Tornado Events
A total of 12 historical tornado events that had recorded magnitude of 2 or above found in or near Velva Public School District 1.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 15.7 | 1982-06-06 | 2 | 48°10'N / 101°03'W | 48°12'N / 100°52'W | 8.00 Miles | 100 Yards | 0 | 0 | 25K | 0 | Mchenry |
| 18.1 | 1982-06-06 | 2 | 48°10'N / 101°06'W | 48°10'N / 101°03'W | 2.00 Miles | 100 Yards | 0 | 0 | 25K | 0 | Ward |
| 32.0 | 1960-08-02 | 2 | 48°18'N / 101°18'W | 0 | 1 | 0K | 0 | Ward | |||
| 33.7 | 1956-06-05 | 3 | 47°35'N / 101°12'W | 0 | 0 | 25K | 0 | Mclean | |||
| 34.2 | 2004-06-06 | 2 | 47°51'N / 101°34'W | 47°56'N / 101°28'W | 8.00 Miles | 150 Yards | 0 | 0 | 0 | 0 | Ward |
| Brief Description: Very soon after touching down the tornado completely destroyed a barn two miles west of Douglas. One horse and three goats were killed. Later along its path, several outbuildings were damaged and 45 evergreen trees were uprooted. | |||||||||||
| 39.2 | 1975-05-24 | 2 | 47°32'N / 101°26'W | 47°40'N / 101°23'W | 9.20 Miles | 50 Yards | 0 | 5 | 25K | 0 | Mclean |
| 40.2 | 1974-06-04 | 2 | 48°15'N / 101°34'W | 0.30 Mile | 200 Yards | 0 | 0 | 250K | 0 | Ward | |
| 40.2 | 1965-05-20 | 2 | 47°38'N / 100°06'W | 0 | 0 | 3K | 0 | Wells | |||
| 40.8 | 1954-06-13 | 2 | 47°55'N / 101°40'W | 0 | 0 | 0K | 0 | Ward | |||
| 45.5 | 1973-08-21 | 2 | 48°22'N / 99°59'W | 0 | 0 | 250K | 0 | Pierce | |||
| 46.1 | 1955-08-03 | 2 | 47°20'N / 101°00'W | 0 | 0 | 3K | 0 | Mclean | |||
| 49.0 | 2006-08-24 | 2 | 47°21'N / 101°18'W | 47°22'N / 101°16'W | 2.00 Miles | 90 Yards | 0 | 0 | 200K | 0 | Mclean |
| Brief Description: This low end F2 tornado, on the order of 120 mph, produced considerable damage to a farm house and outbuildings 9 miles southwest of Underwood. The attached garage was completely torn from the two story house, and the roofing materials were also torn away, leaving the trusses visible. One detached shop, garden shed, and well house were destroyed. Items from the property were found 1/2 mile away. Nearby power lines were down. National Weather Service personnel conducted storm surveys of the area on two different days. | |||||||||||
* 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.