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Shannon County Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Shannon County is lower than Missouri average and is much lower than the national average. The risk of tornado damage in Shannon County is much lower than Missouri average and is about the same as the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #29

Shannon County
0.12
Missouri
0.70
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

Shannon County
0.0000
Missouri
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, #92

Shannon County
142.84
Missouri
214.01
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 10,741 other weather extremes events within 50 miles of Shannon County were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:2Cold:11Dense Fog:1Drought:16
Dust Storm:0Flood:1,661Hail:4,292Heat:68Heavy Snow:30
High Surf:0Hurricane:0Ice Storm:25Landslide:0Strong Wind:17
Thunderstorm Winds:4,241Tropical Storm:0Wildfire:13Winter Storm:65Winter Weather:13
Other:286 

Volcanos Nearby

No volcano is found in or near Shannon County.

Historical Earthquake Events

A total of 2 historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Shannon County.

Distance (miles)DateMagnitudeDepth (km)LatitudeLongitude
48.51965-03-065.3N/A37.83-91.17
20.41974-08-113.6436.92-91.17

Historical Tornado Events

A total of 62 historical tornado events that had recorded magnitude of 2 or above found in or near Shannon County.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
2.71973-11-24237°09'N / 91°21'W1.00 Mile60 Yards31250K0Shannon
6.22009-05-08237°04'N / 91°39'W37°12'N / 91°22'W17.00 Miles880 Yards0050K13.0MShannon
 Brief Description: EVENT NARRATIVE: This tornado is a continuation of the southeastern Texas County tornado. A National Weather Service storm survey revealed that an EF-2 tornado entered rural west central Shannon County from southeastern Texas County. This tornado tracked across forested areas of west central and central Shannon County, uprooting and snapping numerous trees. The Missouri Department of Conservation announced that the tornado and other high winds from this event resulted in $13M of damage to trees. The tornado also damaged a sawmill along its path. EPISODE NARRATIVE: An intense squall line impacted extreme southeast Kansas and the Missouri Ozarks with mainly damaging winds. However, 19 tornadoes along with large hail was also observed. Due to the straight line nature of the winds, damage was widespread and intense.
12.71984-10-18336°52'N / 91°24'W37°05'N / 91°16'W16.00 Miles440 Yards102.5M0Shannon
19.71976-02-21237°00'N / 91°42'W0.90 Mile37 Yards012.5M0Howell
20.91957-05-21436°57'N / 91°10'W37°00'N / 91°01'W9.10 Miles500 Yards775250K0Carter
21.72009-05-08237°00'N / 91°49'W37°03'N / 91°42'W7.00 Miles880 Yards002.0M0KHowell
 Brief Description: EVENT NARRATIVE: A National Weather Service storm survey revealed that an EF-2 tornado tracked across rural sections of northern Howell County. The tornado damaged several homes and outbuildings. Numerous trees were also uprooted from the tornado. This tornado continued into southeastern Texas County. EPISODE NARRATIVE: An intense squall line impacted extreme southeast Kansas and the Missouri Ozarks with mainly damaging winds. However, 19 tornadoes along with large hail was also observed. Due to the straight line nature of the winds, damage was widespread and intense.
22.31982-12-24436°48'N / 91°12'W37°05'N / 90°59'W18.00 Miles300 Yards002.5M0Carter
23.41984-10-18336°46'N / 91°31'W36°52'N / 91°24'W10.00 Miles440 Yards012.5M0Oregon
27.71982-04-16236°54'N / 91°59'W37°00'N / 91°41'W14.00 Miles800 Yards00250K0Howell
27.91964-03-25337°03'N / 91°01'W37°06'N / 90°47'W13.30 Miles300 Yards0025K0Carter
28.11982-12-02236°49'N / 91°04'W36°57'N / 90°58'W9.50 Miles200 Yards00250K0Carter
28.11970-04-12237°15'N / 90°57'W37°17'N / 90°52'W5.10 Miles100 Yards01250K0Reynolds
28.41982-12-24236°48'N / 91°04'W36°57'N / 90°58'W10.00 Miles300 Yards112.5M0Carter
28.91988-03-24237°20'N / 91°55'W37°24'N / 91°47'W12.00 Miles50 Yards052.5M0Texas
29.81957-05-21337°33'N / 91°30'W37°37'N / 91°20'W10.20 Miles440 Yards0225K0Dent
30.61982-12-02236°46'N / 91°05'W36°49'N / 91°04'W4.00 Miles200 Yards00250K0Ripley
31.21970-07-19336°42'N / 91°24'W5.00 Miles200 Yards07250K0Oregon
32.01982-12-24236°43'N / 91°07'W36°48'N / 91°04'W7.00 Miles300 Yards002.5M0Ripley
32.21979-04-11337°02'N / 92°06'W37°30'N / 91°50'W35.40 Miles400 Yards092.5M0Texas
32.71974-04-13237°11'N / 92°00'W37°17'N / 91°58'W7.10 Miles150 Yards00250K0Texas
32.72002-04-27237°01'N / 91°59'W37°01'N / 91°57'W1.50 Miles100 Yards001.5M0Howell
 Brief Description: An F2 tornado, plus associated destructive convergent winds around the tornadic circulation, caused extensive damage from 2 miles west of the Willow Springs Highway Patrol Headquarters, northeast to a mile and a half northeast of Willow Springs along Highway 378. Although the tornadic circulation was only 100 yards wide, it caused damage up to 300 yards wide. Large, century year old oak trees were uprooted throughout the area. West of the Willow Springs Highway Patrol Headquarters, a bass boat was thrown across two pastures and over two fences. A barn near this pasture was damaged. Troop G Headquarters had their 365' radio tower blown down. The tower landed on a home in the Hickory Hills Subdivision in Willow Springs. Four homes loss shingles and two homes completely lost their roofs. A church was rotated 45 degrees off its foundation and cemetery headstones were toppled. The worst damage occurred on a hilltop north of Willow Springs where a home was almost completely destroyed along with numerous outbuildings in a half mile area.
33.52002-04-24437°00'N / 91°01'W36°55'N / 90°40'W20.50 Miles300 Yards0215.0M0Carter
 Brief Description: The tornado damage path began on the west side of Van Buren, right along the Current River, and crossed U.S. Route 60 very close to the Current River bridge. Two businesses in Van Buren, a lodge and a restaurant, were heavily damaged by F-2 intensity winds. The tornado travelled southeast across hilly and forested terrain until reaching the community of Ellsinore. Damage on the south side of Ellsinore was severe, where about 7 businesses were destroyed. Most of the damage at Ellsinore, which was inflicted by F-4 intensity winds, occurred along and near U.S. Highway 60. Across Carter County, 13 homes were destroyed and 12 homes suffered major damage. The tornado then moved into the Mark Twain National Forest and crossed into Butler County north of Highway 60.
33.62009-05-08336°52'N / 91°55'W36°53'N / 91°53'W2.00 Miles800 Yards00500K0KHowell
 Brief Description: EVENT NARRATIVE: A National Weather Service storm survey revealed that an EF-3 tornado impacted a rural area just north of Pomona. The tornado destroyed a frame home. Several cars were thrown 50 yards while two school buses were knocked over. One mobile home and one travel trailer were destroyed, and two outbuildings along with an auto shop were destroyed. EPISODE NARRATIVE: An intense squall line impacted extreme southeast Kansas and the Missouri Ozarks with mainly damaging winds. However, 19 tornadoes along with large hail was also observed. Due to the straight line nature of the winds, damage was widespread and intense.
33.71975-09-11237°20'N / 91°58'W0.30 Mile40 Yards00250K0Texas
33.81967-12-21236°42'N / 91°38'W1.50 Miles50 Yards0125K0Oregon
34.12010-12-31236°56'N / 90°51'W36°58'N / 90°49'W3.00 Miles200 Yards00200K0KCarter
 Brief Description: EVENT NARRATIVE: The tornado touched down near County Road 223, where a tin roof was peeled up on a small outbuilding. A gate and fence were blown about 50 feet. The tornado reached its maximum width and its peak intensity as it crossed County Road 225. This is where a permanent home suffered partial wall and roof loss, a mobile home was blown 15 feet off its foundation, and over one hundred trees were uprooted. The residents of the mobile home took refuge in the laundry room, which was the only room not destroyed. Residents of both homes were provided food and shelter by the Red Cross. A large oak tree fell on a vehicle, causing major damage to the vehicle. Two other vehicles were damaged by debris. A shed and outbuildings were destroyed. A bicycle was blown up into a tree. A twin-pole high voltage transmission tower was partially blown over. The tornado crossed U.S. Highway 60, then struck a sawmill on Highway FF. The 40-by-100 foot sawmill was destroyed. None of the eight workers in the sawmill were injured, possibly because they jumped into a sawdust pit. A home near the sawmill lost part of its roof (less than 20 percent), and dozens of large trees were uprooted. As the tornado crossed County Road 327, a few more trees were blown down. Part of a metal roof from a small barn was blown into a tree. Due to damage to the high-voltage transmission lines, over 1,500 customers from Van Buren to Ellsinore were without power for up to four hours. A National Weather Service damage survey confirmed a convergent signature to the debris pattern. A person in the area reported witnessing the tornado. Peak winds in this tornado were estimated near 120 mph. EPISODE NARRATIVE: A pre-frontal line of thunderstorms developed ahead of a cold front over western Missouri. The broken line of storms extended southwestward across southeast Missouri. Isolated bowing segments and supercells were embedded within portions of the line. The storms existed within a narrow axis of marginal instability with mixed layer capes at or below 500 j/kg. A low level jet axis along the Mississippi River provided more than sufficient vertical wind shear for embedded supercells with isolated tornadoes.
34.71982-12-24436°30'N / 91°31'W36°48'N / 91°12'W25.00 Miles300 Yards062.5M0Oregon
34.91968-06-24237°12'N / 92°01'W37°16'N / 92°02'W4.50 Miles50 Yards0025K0Texas
35.51967-12-20236°53'N / 92°04'W37°01'N / 91°55'W12.30 Miles150 Yards0225K0Howell
36.31968-04-03237°30'N / 91°53'W37°35'N / 91°48'W7.20 Miles100 Yards003K0Texas
37.41968-04-03237°35'N / 91°48'W37°38'N / 91°44'W4.70 Miles100 Yards003K0Texas
38.42004-04-24236°54'N / 90°47'W37°00'N / 90°43'W7.60 Miles200 Yards05600K0Carter
 Brief Description: The tornado touched down about one mile south of the intersection of U.S. Highway 60 and County Highway 233 in eastern Carter County. The tornado tracked north-northeast, passing only about a mile west of the town of Ellsinore. The tornado damage path ended on County Road 365 less than one half mile before reaching the Wayne County line. Peak winds in the tornado were estimated at 150 MPH. Most of the injured were in a mobile home on the north side of U.S. Highway 60. Their mobile home was picked up and thrown into some trees. One person was critically injured. The critically injured person was paralyzed when her back and neck was broken, and she was airlifted to a St. Louis area hospital. Another person received a broken arm, and most of the remaining injuries were scrapes and cuts. The tornado destroyed a total of three mobile homes, a storage facility, and numerous sheds. Two homes and one business were severely damaged. Numerous vehicles were damaged. A warm front extending across southeast Missouri was the focus for tornadic thunderstorms. The storms developed during the warmth of the afternoon and produced a few tornadoes, isolated dime size hail, and several reports of flash flooding.
38.92006-09-22237°32'N / 91°01'W37°35'N / 90°48'W12.80 Miles550 Yards0000Reynolds
 Brief Description: The tornado touched down 2.5 miles southeast of Oates, in Reynolds County, near Forest Road 2329, then traveled northeast crossing Route J near the intersection with County Road 829. At this location it removed the roof of a pole barn, caused damage to the roof of a house and uprooted and snapped numerous trees. The damage path was around 200 yards wide and was rated F1 in intensity. As it traveled northeast, it snapped, uprooted and twisted numerous trees and caused minor roof damage to a manufactured home. As the tornado crossed Highway 49, two and a half miles north of the town of Black, it caused considerable damage. Numerous trees were snapped and uprooted, an unanchored manufactured home sustained heavy damage and was shifted 30 feet. Two automobiles were lifted distances ranging from 10 to 50 yards and two other homes sustained varying degrees of damage directly from the tornado and from fallen trees. A well defined convergent pattern was evident in the debris and eyewitnesses indicate the tornado had a multiple vortex structure. The damage path was around a third of a mile wide and was rated a high end F1 in this location. Further to the northeast, the tornado crossed Route MM around eight tenths of a mile north of Monterey. At this location an uninhabited home was completely destroyed with the walls pulled from numerous anchor bolts attached to the concrete foundation. Also, a wooden power pole was snapped at the base and numerous trees were snapped. The damage path was around a quarter of a mile wide and was rated a low end F2 in this location. The tornado then tracked northeast into Iron County about three tenths of a mile north of Munger. No injuries or deaths were reported.
39.01976-02-21236°43'N / 91°51'W0.90 Mile70 Yards01250K0Howell
39.11982-12-24236°30'N / 91°17'W36°43'N / 91°07'W16.00 Miles300 Yards012.5M0Oregon
40.11979-04-11337°01'N / 92°07'W37°02'N / 92°06'W000K0Douglas
40.61961-03-12236°42'N / 92°02'W36°47'N / 91°49'W13.30 Miles150 Yards00250K0Howell
41.21964-03-25337°06'N / 90°47'W37°10'N / 90°31'W15.30 Miles300 Yards0025K0Wayne
41.41955-11-16236°40'N / 91°54'W36°42'N / 91°50'W4.30 Miles1000 Yards0225K0Howell
41.81967-12-21437°41'N / 91°08'W37°44'N / 91°04'W5.10 Miles200 Yards052.5M0Iron
42.01972-04-21237°21'N / 90°44'W37°23'N / 90°38'W5.70 Miles50 Yards0425K0Iron
42.12005-11-05236°31'N / 91°23'W36°35'N / 91°10'W9.00 Miles300 Yards001.5M0Oregon
 Brief Description: A National Weather Service storm survey team revealed that an F-2 tornado touched down 9 miles east of Thayer near Highway V. The tornado continued on a path 300 yards wide to 8 miles northeast of Myrtle. Two mobile homes were destroyed and several other homes were heavily damaged along the tornado path.
42.22005-11-27236°32'N / 91°06'W36°41'N / 91°00'W12.00 Miles250 Yards10250K0Ripley
 Brief Description: The tornado destroyed a permanent home and a mobile home. Major damage occurred to two other permanent homes. The sole fatality occurred about midway between Gatewood and Briar, where a two-story house was destroyed. The victim was sleeping on the second floor at the time. His body was found in a field about 75 yards from the residence. Two people on the first floor of the house escaped from under the debris without injury. Two mobile homes were unroofed. Many trees were snapped or uprooted. Several trees blocked U.S. Route 160 where the tornado crossed it. Much of the tornado's path was in the Mark Twain National Forest. The average path width was 200 yards. Peak wind speeds were estimated near 140 MPH. The strongest winds and widest path extended from near Tucker to the destroyed house (midway between Briar and Gatewood). M62PH
43.61973-05-07236°44'N / 92°04'W36°45'N / 91°56'W7.40 Miles100 Yards0125K0Howell
43.71954-03-25437°22'N / 92°10'W37°27'N / 92°05'W7.20 Miles100 Yards0025K0Texas
45.01982-12-02237°10'N / 92°14'W37°24'N / 92°10'W10.00 Miles150 Yards002.5M0Texas
45.22005-11-05236°33'N / 91°09'W36°33'N / 91°00'W7.40 Miles250 Yards0075K0Ripley
 Brief Description: The tornado entered southwest Ripley County from Oregon County. A home and a barn received extensive damage in the community of Tucker, near where the tornado reached its peak intensity and width. Peak winds were estimated near 120 MPH. Average path width was 150 yards.
45.41982-04-02436°37'N / 92°06'W36°45'N / 91°51'W14.00 Miles500 Yards22825.0M0Howell
45.41973-01-18236°41'N / 90°50'W36°43'N / 90°46'W4.30 Miles100 Yards01250K0Ripley
46.01954-03-25437°19'N / 92°14'W37°22'N / 92°10'W4.90 Miles100 Yards2025K0Texas
46.11999-06-01237°44'N / 91°48'W37°45'N / 91°47'W1.00 Mile250 Yards0060K0Dent
 Brief Description: A tornado touched down northeast of Edgar Springs and moved into rural areas in northwest Dent County. 12 homes were damaged and 2 were destroyed in the Edgar Springs area. One mobile home was severely damaged in northwest Dent County. Numerous trees and power lines were downed.
46.41968-06-24236°30'N / 91°36'W2.00 Miles50 Yards0025K0Oregon
46.51999-06-01237°44'N / 91°49'W37°45'N / 91°48'W1.00 Mile250 Yards00175K0Phelps
 Brief Description: A tornado touched down northeast of Edgar Springs and moved into rural areas in northwest Dent County. 12 homes were damaged and 2 were destroyed in the Edgar Springs area. One mobile home was severely damaged in northwest Dent County. Numerous trees and power lines were downed.
46.52006-03-11237°24'N / 90°49'W37°35'N / 90°31'W13.00 Miles450 Yards0000Iron
 Brief Description: The tornado that started in Reynolds entered Iron County and crossed Highway 49 between Chloride and Sabula causing considerable tree damage in the Mark Twain National Forest. The damage through the forest was about one quarter mile wide. The tornado crossed Route E west of Patterson Mountain where it damaged a barn and the roof and siding of a home. The tornado then continued into Madison County.
46.61959-03-14236°30'N / 91°48'W36°35'N / 91°43'W7.30 Miles50 Yards003K0Howell
47.01966-12-08237°06'N / 92°15'W1.00 Mile100 Yards003K0Texas
47.41982-12-02237°04'N / 92°17'W37°10'N / 92°14'W7.00 Miles150 Yards092.5M0Wright
47.51972-04-21237°23'N / 90°38'W37°25'N / 90°33'W5.10 Miles50 Yards0025K0Iron
47.72007-03-01336°36'N / 92°07'W36°42'N / 91°52'W14.00 Miles200 Yards10750K0KHowell
 Brief Description: EVENT NARRATIVE: This is an extension of the Ozark County tornado. A National Weather Service storm survey revealed that a large tornado ripped through rural sections of southwest Howell County, Missouri. The community of Caulfield experienced a direct hit. Numerous farms and structures were damaged or destroyed. One fatality occurred as the tornado ripped through a mobile home northeast of Caulfield. Four other injuries occurred in the same mobile home. The tornado lifted approximately one mile southwest of the West Plains city limits. EPISODE NARRATIVE: Several severe thunderstorms impacted southern Missouri during the morning hours of March 1st. A classic supercell moved from northern Arkansas and into Ozark and Howell counties. This storm produced an EF-3 tornado that touched down southwest of Caulfield, Missouri, and tracked to areas southwest of West Plains, Missouri. One fatality occurred from this storm as the tornado ripped through a mobile home in rural Howell County.
48.31968-06-24236°42'N / 92°04'W0.20 Mile50 Yards0025K0Howell
48.71961-05-07336°37'N / 92°00'W36°38'N / 91°58'W1.90 Miles300 Yards08250K0Howell
49.21982-12-02237°23'N / 90°36'W37°27'N / 90°32'W5.00 Miles50 Yards00250K0Iron


* 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.


 
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