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Elkport, IA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Elkport is about the same as Iowa average and is much lower than the national average. The risk of tornado damage in Elkport is lower than Iowa average and is higher than the national average.

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

Earthquake Index, #390

Elkport, IA
0.00
Iowa
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

Elkport, IA
0.0000
Iowa
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, #955

Elkport, IA
179.93
Iowa
236.74
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 3,451 other weather extremes events within 50 miles of Elkport, IA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:25Cold:75Dense Fog:16Drought:10
Dust Storm:0Flood:368Hail:1,089Heat:14Heavy Snow:44
High Surf:0Hurricane:0Ice Storm:15Landslide:0Strong Wind:46
Thunderstorm Winds:1,371Tropical Storm:0Wildfire:0Winter Storm:122Winter Weather:80
Other:176 

Volcanos Nearby

No volcano is found in or near Elkport, IA.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Elkport, IA.

No historical earthquake events found in or near Elkport, IA.

Historical Tornado Events

A total of 76 historical tornado events that had recorded magnitude of 2 or above found in or near Elkport, IA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
9.01990-06-13242°51'N / 91°24'W42°53'N / 91°15'W8.00 Miles67 Yards00250K0Clayton
9.11985-05-30342°51'N / 91°32'W42°53'N / 91°08'W20.00 Miles500 Yards22525.0M0Clayton
11.61954-04-30442°06'N / 91°45'W43°11'N / 91°10'W80.40 Miles200 Yards000K0Linn
15.81988-11-15242°29'N / 91°28'W42°36'N / 91°23'W11.00 Miles63 Yards00250K0Delaware
16.11969-06-04242°46'N / 91°00'W42°44'N / 90°55'W4.10 Miles200 Yards00250K0Grant
16.51960-11-15242°28'N / 91°28'W42°34'N / 91°18'W10.50 Miles70 Yards00250K0Delaware
17.01969-06-26242°22'N / 91°34'W42°39'N / 91°12'W26.90 Miles300 Yards00250K0Delaware
17.91953-05-10342°57'N / 91°20'W43°03'N / 91°17'W6.60 Miles400 Yards00250K0Clayton
18.11985-05-30342°53'N / 91°08'W42°56'N / 90°52'W14.00 Miles1500 Yards022.5M0Grant
18.91970-09-09242°30'N / 91°06'W1.00 Mile100 Yards00250K0Dubuque
19.31995-07-27342°36'N / 91°41'W42°27'N / 91°21'W20.50 Miles150 Yards001.0M330KBuchanan And Delaware
19.71954-04-30242°38'N / 91°38'W1.00 Mile200 Yards000K0Buchanan
20.81991-03-22242°21'N / 91°32'W42°35'N / 91°21'W17.00 Miles80 Yards01250K0Delaware
21.01965-08-25243°04'N / 91°23'W43°01'N / 91°18'W4.70 Miles100 Yards00250K0Clayton
21.31965-08-26242°32'N / 90°58'W0.50 Mile100 Yards0025K0Dubuque
24.42001-09-06242°37'N / 91°44'W42°37'N / 91°43'W1.00 Mile50 Yards00300K0Buchanan
 Brief Description: Tornado reported by emergency manager Event Summary for 09/06/01: A strong short wave trough in the upper level atmosphere, moved northeast through Iowa and Wisconsin during the afternoon and evening hours. This wave of energy helped thunderstorms, which were moving along a warm front in northeast Iowa, become strong. Despite the lack of convective available potential energy, ample moisture and wind shear along the front allowed thunderstorms within this area of rain to rotate and produce a few short lived tornadoes. One storm in Buchanan County Iowa, produced two tornadoes as it quickly moved northeast along the warm front. Here is a summary of the tornadoes which struck northeastern Buchanan County Iowa. At 605 pm CDT, an F0 tornado touched down 5 miles southwest of Aurora, Iowa, producing damage to the Ralph Kramer farm site. Several out buildings were damaged or destroyed. One empty grain bin was moved off of its foundation. The home only had minor damage, with some siding blown off. The tornado continued moving northeast, producing crop and tree damage as it crossed 142 street. At 625 pm, the tornado struck the Lonnie McAllister farm site, again damaging or destroying farm out buildings. This is also where the most significant crop damage was observed. The tornado then lifted, leaving a trail of some tin and other debris, as the storm moved northeast. This tornado was on the ground for 3.5 miles and was 40 yards wide at its widest point. At 630 pm CDT, an F2 tornado touched down 0.25 miles southwest of Aurora and quickly moved across Aurora, producing damage to the roof of the American Legion building in Aurora. The tornado then struck the Ken Mosher home just east of Aurora. The tornado totally ripped off the roof and two car garage of this newer frame dwelling. The tornado then lifted 0.75 miles northeast of Aurora, and no other tornadoes from this storm touched down again until it had moved about a mile north into Fayette County, Iowa. This tornado was on the ground for 1 mile, and was 50 yards wide.
25.21990-06-02242°25'N / 91°35'W42°27'N / 91°30'W5.00 Miles67 Yards00250K0Delaware
25.31990-03-13442°23'N / 91°08'W42°24'N / 91°07'W1.00 Mile200 Yards0025.0M0Dubuque
26.71964-05-04242°20'N / 91°15'W42°23'N / 91°10'W4.70 Miles200 Yards02250K0Delaware
26.71990-03-13442°20'N / 91°16'W42°23'N / 91°08'W9.00 Miles200 Yards0025.0M0Delaware
27.11959-05-19242°48'N / 90°48'W42°50'N / 90°42'W4.90 Miles200 Yards0025K0Grant
27.41969-06-29242°24'N / 91°00'W0025K0Dubuque
28.91954-04-30242°13'N / 91°12'W42°27'N / 91°06'W16.60 Miles50 Yards000K0Jones
29.01974-08-12442°21'N / 91°29'W5.00 Miles400 Yards0122.5M0Delaware
29.11957-05-25242°54'N / 90°55'W43°00'N / 90°38'W15.60 Miles400 Yards0025K0Grant
29.22008-05-25342°36'N / 92°01'W42°34'N / 91°36'W21.00 Miles1232 Yards031.0M0KBuchanan
 Brief Description: EVENT NARRATIVE: A tornado developed just east of the county lines southwest of Fairbank and moved east. The tornado cross the southern part of Hazelton and continued east into Delaware County. Over ten homes, about 50 non-anchored mobile homes at a dealership, and numerous outbuildings were destroyed. Several other homes sustained structural damage. Numerous trees and utility poles were also blown down. An SUV was flipped over in Hazelton injuring the driver and some passengers. EPISODE NARRATIVE: Heavy rain-producing showers and thunderstorms moved across much of eastern Iowa and northwest and west central Illinois from the evening of May 25th to the early morning of May 26th. Some of the stronger storms also produced tornadoes, damaging winds, and large hail. Buchanan, Delaware, and Dubuque counties in Iowa were hardest hit with the heavy rains, where rainfall totals of 3 to 8 inches fell resulting in flash flooding.
29.41990-06-02242°24'N / 91°41'W42°25'N / 91°35'W5.50 Miles67 Yards00250K0Buchanan
30.31967-04-30242°24'N / 90°54'W2.00 Miles400 Yards00250K0Dubuque
30.51990-03-13442°16'N / 91°20'W42°20'N / 91°16'W5.00 Miles200 Yards0025.0M0Jones
31.01988-05-08242°59'N / 90°51'W43°00'N / 90°41'W10.00 Miles40 Yards00250K0Grant
31.31968-05-15542°40'N / 91°56'W42°51'N / 91°51'W13.10 Miles500 Yards515625.0M0Fayette
31.31964-05-07242°40'N / 91°53'W2.00 Miles250 Yards002.5M0Fayette
31.51972-09-28242°17'N / 91°22'W42°25'N / 90°33'W42.60 Miles2200 Yards002.5M0Jones
31.71964-05-07342°36'N / 91°54'W42°38'N / 91°51'W2.30 Miles200 Yards01250K0Buchanan
31.91965-04-11441°51'N / 90°56'W42°52'N / 90°55'W70.20 Miles200 Yards102.5M0Cedar
31.91998-06-18242°29'N / 92°03'W42°36'N / 91°38'W20.00 Miles25 Yards00800K0Buchanan
 Brief Description: A farm south of Jesup sustained massive damage from a tornado and severe thunderstorm winds which passed across Buchanan County. Most of the out buildings were damaged or destroyed and every tree on the farm was lost. A double car garage was blown into a cornfield, the tool shed was pushed off it's foundation, gas barrels were gone, and a Morton Building was destroyed. There was also serious damage to the the barn roof. In the home glass was driven into the woodwork. Closet doors and the access door to the attic were blown off, and attic insulation was driven down into the house. At another farm three grain wagons were lifted off the ground. One landed vertically across the road in a ditch and another landed in a ditch near the farmhouse. Shingles and shutters were blown off this house, and 60 feet of roof was torn off the cattle shed. At the Cedar Crest and St Athansius Cemetaries east of Jesup 46 trees were destroyed.
32.41971-07-12342°18'N / 91°31'W42°18'N / 91°28'W022.5M0Delaware
33.61966-06-05242°17'N / 91°30'W000K0Linn
34.31990-03-13442°14'N / 91°25'W42°16'N / 91°20'W4.00 Miles200 Yards0025.0M0Linn
34.41958-07-29242°20'N / 91°05'W42°17'N / 90°48'W14.50 Miles200 Yards0025K0Dubuque
34.51980-06-05243°43'N / 91°03'W42°42'N / 91°01'W70.20 Miles33 Yards00250K0Vernon
35.41971-06-24343°04'N / 91°49'W10250K0Fayette
35.91966-07-09242°30'N / 90°40'W42°30'N / 90°38'W0025K0Dubuque
36.21970-09-09342°30'N / 90°40'W42°33'N / 90°35'W4.70 Miles300 Yards000K0Dubuque
36.31987-07-29243°13'N / 91°38'W43°14'N / 91°29'W7.00 Miles30 Yards002.5M0Allamakee
37.01964-05-04243°13'N / 91°12'W43°19'N / 91°04'W9.20 Miles200 Yards00250K0Allamakee
37.51971-07-12242°53'N / 92°03'W42°49'N / 91°57'W6.40 Miles100 Yards00250K0Fayette
37.61973-06-04243°09'N / 91°46'W1.00 Mile100 Yards00250K0Winneshiek
37.71972-09-28242°12'N / 91°47'W42°17'N / 91°22'W21.90 Miles2200 Yards032.5M0Linn
38.01970-09-09242°41'N / 90°40'W42°47'N / 90°23'W15.70 Miles200 Yards00250K0Grant
38.31969-06-26242°58'N / 90°35'W2.00 Miles100 Yards0225K0Grant
38.31950-07-01242°27'N / 91°55'W14.00 Miles33 Yards000K0Buchanan
39.81992-07-13342°11'N / 91°08'W42°11'N / 91°02'W5.00 Miles73 Yards002.5M0Jones
40.01987-07-29243°16'N / 91°43'W43°13'N / 91°38'W3.00 Miles30 Yards002.5M0Winneshiek
40.81988-05-08242°56'N / 90°35'W42°59'N / 90°28'W7.50 Miles200 Yards00250K0Grant
41.01966-07-13242°43'N / 90°30'W42°44'N / 90°26'W2.70 Miles200 Yards00250K0Grant
41.01971-07-12242°50'N / 92°06'W42°50'N / 92°03'W00250K0Bremer
42.31981-04-10242°50'N / 92°06'W0.80 Mile100 Yards002.5M0Bremer
42.41965-04-11442°52'N / 90°35'W43°10'N / 90°28'W21.30 Miles200 Yards032.5M0Clinton
42.81960-04-16342°28'N / 92°05'W42°30'N / 92°00'W3.80 Miles800 Yards00250K0Buchanan
43.01964-05-04243°15'N / 91°04'W43°25'N / 90°57'W12.60 Miles200 Yards02250K0Crawford
43.11991-03-27242°17'N / 90°42'W42°19'N / 90°39'W1.00 Mile100 Yards01250K0Dubuque
43.21961-09-02242°39'N / 92°07'W1.00 Mile40 Yards0025K0Howard
43.21991-03-27242°19'N / 90°39'W42°20'N / 90°38'W0.50 Mile100 Yards00250K0Jackson
43.41964-05-04242°07'N / 91°28'W42°09'N / 91°31'W2.30 Miles200 Yards01250K0Linn
43.71966-04-19242°51'N / 92°07'W42°55'N / 92°07'W4.60 Miles250 Yards0025K0Bremer
44.31985-05-30242°55'N / 90°27'W42°55'N / 90°25'W1.80 Miles500 Yards00250K0Grant
44.41954-05-23242°10'N / 91°40'W003K0Linn
44.91971-07-12443°03'N / 92°03'W43°04'N / 92°03'W1.10 Miles1320 Yards042.5M0Fayette
45.31988-03-24243°04'N / 92°02'W43°07'N / 92°02'W2.00 Miles100 Yards002.5M0Fayette
45.61988-03-24243°07'N / 92°02'W43°11'N / 91°56'W7.00 Miles33 Yards002.5M0Winneshiek
45.91965-08-25243°19'N / 91°59'W43°10'N / 91°46'W14.70 Miles150 Yards01250K0Winneshiek
46.11970-09-09242°24'N / 90°30'W42°30'N / 90°25'W7.70 Miles70 Yards000K0Jo Daviess
46.72000-05-11242°34'N / 92°10'W42°30'N / 92°08'W5.00 Miles150 Yards00300K2KBlack Hawk
 Brief Description: Two houses destroyed The seasons first tornado outbreak took place during the late afternoon and early evening hours of the 11th. During the day, very strong warm air advection took place. Temperatures warmed rapidly during the day with highs reaching the mid to upper 90s over about the southwest half of the state. Dew point temperatures were in the upper 60s to low 70s. This combination produced CAPE values in excess of 8000 J/kg. During the afternoon, a strong cap was in place with 700 mb temperatures around +16 C. This prevented convection from firing during the afternoon. Toward evening, thunderstorms broke through the cap over northeast Iowa. The storms went from initial echo to tornadic storms in less than 50 minutes. A supercell formed west of the Waterloo area. This cell became a splitting cell and produced a brief tornado in Grundy County as the right moving cell split off, and golf ball size hail in Bremer County from the left moving cell. The cell moved off quickly, however additional supercells back developed over the same area. the strongest tornado developed in the Cedar Falls area and tracked across the northern portions of Waterloo. This cell produced a strong tornado which was actually a multi-vortex tornado based on reports from storm chasers in the area. At one point, west of Dunkerton, three tornadoes each one quarter mile wide were on the ground with this storm. The tornado damaged several houses and a few farmsteads along the way. Reports indicated between 5 and 10 houses in Black Hawk County were totally destroyed, and another 15 to 20 sustained significant damage. A total of at least 41 structures sustained at least some damage. In addition to the tornado, damage also occurred south of the track as RFD winds estimated as high as 100 MPH were observed. Dunkerton was hard hit as the tornado moved through. Heavy damage was reported at a coop elevator in Dunkerton, with 10 of 16 grain elevators damaged. A roof was removed from a church as well, resulting in about $500,000 damage. The City Hall building was destroyed in Dunkerton. The City Hall was housed in a series of double wide trailers since ironically the former City Hall building was destroyed just last year in the floods of '99. As the tornado moved through the fairly densely populated area, numerous injuries were reported. Some of the injuries were severe with limbs being cut off by flying debris. One woman lost both one arm and one hand, and had her back broken. She passed away 17 days after her injuries occurred. Six of the injuries occurred at a nursing home that was hit by the tornado. They occurred as the 139 residents were being evacuated. Reports indicated the width of the tornado was up to three-quarters of a mile at its widest. The damage path from the storm was around one and one half miles wide. The tornado continued moving east and crossed into Buchanan County, about 4 miles northeast of Dunkerton. A short time later, another cell developed in the Dunkerton area and dropped a tornado. That tornado struck a farm northwest of town, destroying the farm house and seven outbuildings. In addition to the damage that occurred to the structures, the family dog and one of the five horses on the farm were killed. Reports indicate a letter from one of the farm houses destroyed was found 60 miles away from Dunkerton in the town of Monona in Clayton County. Polly Mill's rural Dunkerton farmhouse was shredded by the tornado. She lost some of her late husband's military medals, pages out of the family Bible, and part of her collection of letters and first-issue stamps. Sixty miles away, on a farm east of Monona, the letter was found in an envelope carrying a first-day issue, 5-cent stamp commemorating the Battle of New Orleans. There was yet a third round of tornadic storms in the Dunkerton area. The last tornado touched down near Dunkerton and developed southward. Two houses in the town of Dunkerton were destroyed by this tornado. In addition to the tornadoes, very heavy rain fell in a narrow area of Black Hawk County. Reports of 3 inches or more of rain was received from the area. Soil conditions were very dry at the time. The dry soil conditions helped preclude any significant flooding. By the afternoon of the 12th, Iowa Governor Vilsack had declared Black Hawk County a state disaster area.
47.81976-06-12242°32'N / 92°13'W42°38'N / 92°10'W6.90 Miles100 Yards0225K0Black Hawk
47.91953-05-20342°01'N / 91°23'W42°05'N / 91°01'W19.20 Miles400 Yards030K0Jones


* 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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