Arthur County Natural Disasters and Weather Extremes
The chance of earthquake damage in Arthur County is about the same as Nebraska average and is much lower than the national average. The risk of tornado damage in Arthur County is much lower than Nebraska average and is much lower than the national average.
Earthquake Index, #51
| Arthur County | 0.01 |
| Nebraska | 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
| Arthur County | 0.0000 |
| Nebraska | 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, #80
| Arthur County | 59.83 |
| Nebraska | 205.07 |
| 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 7,264 other weather extremes events within 50 miles of Arthur County 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: | 2 | Dense Fog: | 0 | Drought: | 2 |
| Dust Storm: | 0 | Flood: | 171 | Hail: | 5,288 | Heat: | 0 | Heavy Snow: | 7 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 26 |
| Thunderstorm Winds: | 1,541 | Tropical Storm: | 0 | Wildfire: | 1 | Winter Storm: | 31 | Winter Weather: | 0 |
| Other: | 189 | ||||||||
Volcanos Nearby
No volcano is found in or near Arthur County.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Arthur County.
No historical earthquake events found in or near Arthur County.
Historical Tornado Events
A total of 9 historical tornado events that had recorded magnitude of 2 or above found in or near Arthur County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 21.9 | 1983-07-15 | 2 | 41°18'N / 101°55'W | 0.30 Mile | 100 Yards | 0 | 0 | 250K | 0 | Keith | |
| 25.8 | 1970-06-25 | 2 | 41°12'N / 101°38'W | 0.30 Mile | 33 Yards | 0 | 0 | 25K | 0 | Keith | |
| 28.0 | 1980-10-15 | 2 | 41°24'N / 102°12'W | 41°23'N / 102°10'W | 0 | 0 | 250K | 0 | Garden | ||
| 28.9 | 2003-06-20 | 2 | 41°24'N / 102°14'W | 41°26'N / 102°12'W | 1.50 Miles | 100 Yards | 0 | 0 | 100K | 8K | Garden |
| Brief Description: The tornado touched down near the North Platte River and destroyed an old barn and snapped off trees before moving north across Highway 26 and taking down power poles. After moving across the highway, it destroyed three outbuildings, three grain bins, a large machine shed, and a two car detached garage and broke off numerous large trees at a farmstead. It continued to move north-northeast and destroyed three wind mills and three center pivot irrigation systems and threw 1/2 ton hay bales one quarter mile into a corn field. | |||||||||||
| 35.8 | 1960-08-16 | 2 | 41°24'N / 102°21'W | 0 | 0 | 25K | 0 | Garden | |||
| 44.9 | 1972-07-27 | 3 | 41°12'N / 101°00'W | 41°10'N / 101°00'W | 2.30 Miles | 100 Yards | 0 | 0 | 25K | 0 | Lincoln |
| 46.0 | 1990-05-18 | 2 | 41°02'N / 100°56'W | 41°20'N / 101°01'W | 20.00 Miles | 73 Yards | 0 | 0 | 250K | 0 | Lincoln |
| 49.0 | 1977-05-18 | 2 | 42°10'N / 101°33'W | 42°19'N / 101°13'W | 19.70 Miles | 50 Yards | 0 | 0 | 25K | 0 | Cherry |
| 49.6 | 2007-03-28 | 2 | 40°45'N / 101°46'W | 40°58'N / 101°52'W | 16.00 Miles | 900 Yards | 0 | 0 | 1.2M | 0K | Perkins |
| Brief Description: EVENT NARRATIVE: A large supercell thunderstorm originally spawned two tornadoes with the eastern tornado eventually taking over. The tornado touched down approximately 6 miles south-southwest of Grant and moved northeast for a few miles and then turned northwest to pass 3 miles west of Grant and continue northwest to near the Perkins and Keith County line approximately 12 miles north-northwest of Grant. The tornado encountered the first farm where it destroyed outbuildings and grain bins and damaged the roof of a metal storage building. Damage to the second farm included ripping off half the roof on the home. At the third farmstead, the tornado destroyed grain bins and a barn and ripped a hole in the roof of the home. The tornado also uprooted and snapped off numerous trees, broke off power poles, and overturned center pivot irrigation systems. EPISODE NARRATIVE: An intense upper level low pressure system approached Western Nebraska on March 28th. Supercells developed quickly along a dryline extending from western Cherry County southward through western Chase County. The supercells produced tornadoes, hail, and strong winds during the late afternoon and evening hours. | |||||||||||
* 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.