Thomas County Natural Disasters and Weather Extremes
The chance of earthquake damage in Thomas County is about the same as Nebraska average and is much lower than the national average. The risk of tornado damage in Thomas County is much lower than Nebraska average and is much lower than the national average.
Earthquake Index, #43
| Thomas 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
| Thomas 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, #77
| Thomas County | 66.30 |
| 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 7,428 other weather extremes events within 50 miles of Thomas 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: | 3 |
| Dust Storm: | 0 | Flood: | 142 | Hail: | 5,320 | Heat: | 0 | Heavy Snow: | 7 |
| High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 0 | Landslide: | 0 | Strong Wind: | 22 |
| Thunderstorm Winds: | 1,723 | Tropical Storm: | 0 | Wildfire: | 2 | Winter Storm: | 31 | Winter Weather: | 0 |
| Other: | 170 | ||||||||
Volcanos Nearby
No volcano is found in or near Thomas County.
Historical Earthquake Events
No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Thomas County.
No historical earthquake events found in or near Thomas County.
Historical Tornado Events
A total of 12 historical tornado events that had recorded magnitude of 2 or above found in or near Thomas County.
| Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
| 8.1 | 1965-05-24 | 2 | 41°29'N / 100°30'W | 41°59'N / 100°34'W | 34.60 Miles | 33 Yards | 0 | 0 | 0K | 0 | Logan |
| 9.4 | 1986-08-06 | 2 | 41°56'N / 100°21'W | 41°59'N / 100°27'W | 10.00 Miles | 70 Yards | 0 | 0 | 2.5M | 0 | Thomas |
| 14.6 | 1999-06-04 | 2 | 42°01'N / 100°36'W | 42°05'N / 100°35'W | 4.00 Miles | 250 Yards | 0 | 0 | 50K | 0 | Thomas |
| Brief Description: The tornado, observed by numerous storm chasers, including the VORTEX team, and the general public, touched down in Thomas County 3 miles north northwest of Thedford and was on the ground for 15 miles before lifting in southeast Cherry County 6 miles east southeast of Brownlee. The path was over rangeland destroying 9 windmills, several miles of fences and nemerous trees. This was the most significant of 6 tornadoes produced by the same supercell thunderstorm. | |||||||||||
| 15.5 | 1986-08-06 | 2 | 42°03'N / 100°12'W | 41°56'N / 100°21'W | 9.00 Miles | 70 Yards | 0 | 0 | 2.5M | 0 | Blaine |
| 22.0 | 1999-06-04 | 2 | 42°05'N / 100°30'W | 42°15'N / 100°30'W | 19.00 Miles | 250 Yards | 0 | 0 | 50K | 0 | Cherry |
| Brief Description: This was a continuation of the Thomas county tornado that initially touched down 3 miles north north west of Thedford and traveled into Cherry county. | |||||||||||
| 28.8 | 1981-08-24 | 2 | 41°28'N / 100°17'W | 1.00 Mile | 200 Yards | 0 | 0 | 250K | 0 | Logan | |
| 30.0 | 1975-06-18 | 4 | 41°21'N / 100°13'W | 41°34'N / 100°17'W | 15.20 Miles | 33 Yards | 0 | 0 | 3K | 0 | Custer |
| 30.5 | 1962-05-15 | 2 | 42°17'N / 100°37'W | 0 | 0 | 25K | 0 | Cherry | |||
| 30.6 | 1975-06-18 | 3 | 41°23'N / 100°19'W | 41°28'N / 100°21'W | 5.40 Miles | 33 Yards | 1 | 3 | 250K | 0 | Logan |
| 31.5 | 1956-10-29 | 4 | 41°30'N / 100°20'W | 42°24'N / 99°29'W | 75.90 Miles | 440 Yards | 0 | 0 | 250K | 0 | Rock |
| 45.2 | 1975-06-18 | 3 | 41°04'N / 100°10'W | 41°23'N / 100°19'W | 23.00 Miles | 33 Yards | 0 | 0 | 250K | 0 | Custer |
| 45.5 | 1989-06-25 | 3 | 41°10'N / 100°47'W | 41°15'N / 100°39'W | 8.00 Miles | 123 Yards | 0 | 2 | 2.5M | 0 | Lincoln |
* 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.