Brown County Natural Disasters and Weather Extremes
The chance of earthquake damage in Brown County is about the same as Nebraska average and is much lower than the national average. The risk of tornado damage in Brown County is much lower than Nebraska average and is much lower than the national average.
Earthquake Index, #85
Brown County | 0.00 |
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
Brown 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, #85
Brown County | 0.00 |
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 7,005 other weather extremes events within 50 miles of Brown 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: | 23 | Cold: | 11 | Dense Fog: | 0 | Drought: | 10 |
Dust Storm: | 0 | Flood: | 132 | Hail: | 4,909 | Heat: | 0 | Heavy Snow: | 30 |
High Surf: | 0 | Hurricane: | 0 | Ice Storm: | 8 | Landslide: | 0 | Strong Wind: | 29 |
Thunderstorm Winds: | 1,649 | Tropical Storm: | 0 | Wildfire: | 3 | Winter Storm: | 40 | Winter Weather: | 26 |
Other: | 135 |
Volcanos Nearby
No volcano is found in or near Brown County.
Historical Earthquake Events
A total of 1 historical earthquake event that had a recorded magnitude of 3.5 or above found in or near Brown County.
Distance (miles) | Date | Magnitude | Depth (km) | Latitude | Longitude |
17.0 | 1972-10-16 | 3.7 | 23 | 42.34 | -99.59 |
Historical Tornado Events
A total of 19 historical tornado events that had recorded magnitude of 2 or above found in or near Brown County.
Distance (miles) | Date | Magnitude | Start Lat/Log | End Lat/Log | Length | Width | Fatalities | Injuries | Property Damage | Crop Damage | Affected County |
16.2 | 1979-07-07 | 2 | 42°33'N / 99°47'W | 42°32'N / 99°42'W | 3.30 Miles | 300 Yards | 0 | 1 | 2.5M | 0 | Brown |
17.0 | 1965-05-08 | 2 | 42°33'N / 99°50'W | 42°37'N / 99°48'W | 4.10 Miles | 33 Yards | 0 | 0 | 0K | 0 | Brown |
17.4 | 1979-07-07 | 2 | 42°32'N / 99°42'W | 42°27'N / 99°35'W | 7.80 Miles | 300 Yards | 0 | 0 | 3K | 0 | Rock |
20.2 | 1965-05-08 | 2 | 42°34'N / 100°02'W | 42°42'N / 100°00'W | 9.00 Miles | 33 Yards | 0 | 0 | 0K | 0 | Brown |
27.6 | 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 |
30.2 | 2008-06-05 | 2 | 42°12'N / 99°27'W | 42°25'N / 99°13'W | 20.00 Miles | 30 Yards | 0 | 0 | 50K | 10K | Rock |
Brief Description: EVENT NARRATIVE: This multiple vortex tornado formed near Rose and tracked northeast for about 20 miles before exiting Rock County about 13 miles south-southeast of Newport at 1500 CST. In Rock County, the tornado broke power poles, shifted a house off its foundation a few inches, destroyed outbuildings, overturned a couple of center pivot irrigation systems, and snapped trees. The tornado maintained the EF2 intensity through Rock and Holt County. The average path width in Rock County was 30 yards. EPISODE NARRATIVE: Supercell thunderstorms developed along a nearly stationary front across southwest Nebraska during the afternoon hours of June 4th and continued through the afternoon of June 5th. The storms produced very large hail during the overninght and morning hours, then some tornadoes during the afternoon of June 5th. | |||||||||||
30.6 | 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 |
31.7 | 1965-05-08 | 2 | 42°21'N / 99°29'W | 43°00'N / 99°29'W | 44.90 Miles | 33 Yards | 0 | 0 | 0K | 0 | Rock |
32.1 | 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. | |||||||||||
34.6 | 1963-06-08 | 2 | 42°50'N / 99°45'W | 0.30 Mile | 33 Yards | 0 | 0 | 3K | 0 | Keya Paha | |
35.7 | 1962-05-15 | 2 | 42°17'N / 100°37'W | 0 | 0 | 25K | 0 | Cherry | |||
36.4 | 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 |
36.8 | 2009-06-24 | 2 | 42°38'N / 99°19'W | 42°35'N / 99°16'W | 5.00 Miles | 20 Yards | 0 | 0 | 200K | 15K | Rock |
Brief Description: EVENT NARRATIVE: A tornado touched down north of Newport and overturned 2 center pivot irrigation systems, moved a 5000 bushel gran bin approximately 75 yards, snapped a large electrical transmission line pole, snapped a smaller wooden power pole, broke off numerous tree limbs, damaged the roof of an outbuilding, and picked up and spun around an empty grain truck traveling on Highway 20. The truck was heading west and was picked up and deposited in the south ditch. A storm chaser on Highway 20 also witnessed the tornado. EPISODE NARRATIVE: A supercell dropped south out of South Dakota and into north central Nebraska late in the evening. The supercell produced strong winds...large hail...and 2 brief tornadoes. | |||||||||||
39.7 | 2008-06-05 | 2 | 42°25'N / 99°13'W | 42°33'N / 99°07'W | 10.00 Miles | 50 Yards | 0 | 0 | 150K | 15K | Holt |
Brief Description: EVENT NARRATIVE: A supercell tornado touched down just north-northeast of Rose in Rock County and entered Holt County approximately 13 miles south-southwest of Stuart and continued for another 10 miles before dissipating 3 miles south-southeast of Stuart. In Holt County, the multiple vortex tornado broke off power poles, destroyed outbuildings, overturned several center pivot irrigation systems, snapped and uprooted numerous large trees, damaged roofs, and moved vehicles. The tornado maintained the EF2 rating in both Rock and Holt Counties. The average path width in Holt County was 30 yards with the maximum width of 50 yards. EPISODE NARRATIVE: Supercell thunderstorms developed along a nearly stationary front across southwest Nebraska during the afternoon hours of June 4th and continued through the afternoon of June 5th. The storms produced very large hail during the overninght and morning hours, then some tornadoes during the afternoon of June 5th. | |||||||||||
40.0 | 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. | |||||||||||
41.7 | 1956-06-05 | 2 | 42°56'N / 100°08'W | 0 | 0 | 0K | 0 | Keya Paha | |||
42.3 | 2010-05-22 | 2 | 42°56'N / 99°55'W | 42°59'N / 99°45'W | 9.00 Miles | 20 Yards | 0 | 0 | 120K | 0K | Keya Paha |
Brief Description: EVENT NARRATIVE: At 930 PM CDT, a tornado touched down approximately 12 miles northwest of Springview and traveled northeast for 20 minutes before lifting 11 miles north of Springview. The tornado did extensive tree damage when it touched down, then moved northeast and struck two farmsteads. At the first farmstead, a loafing shed and stock trailer were destroyed, extensive tree and fence damage occurred, and a roof was torn off an old hog building. The most extensive damage occurred north of the farmstead where six rural electric association poles where broken. The tornado continued to move northeast and destroy a windmill. Then a second farmstead was hit with the tornado destroying a 40 by 60 feet quonset building before the tornado lifted at 950 PM CDT. EPISODE NARRATIVE: Thunderstorms developed along a semi-stationary front that stretched north to south across the Central Plains. By late evening, the front extended south near Highway 83 in northeast Cherry County. The storms rapidly intensified moving northeastward and produced large hail up to 1.25 inches and two tornadoes. | |||||||||||
45.3 | 1992-05-15 | 2 | 42°45'N / 99°13'W | 1.00 Mile | 50 Yards | 0 | 0 | 250K | 0 | Holt | |
46.8 | 1962-05-14 | 3 | 42°53'N / 99°55'W | 43°00'N / 99°02'W | 45.30 Miles | 1760 Yards | 0 | 8 | 250K | 0 | Boyd |
* 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.