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Dubuque Metro Area Natural Disasters and Weather Extremes

 

The chance of earthquake damage in Dubuque Area is about the same as Iowa average and is much lower than the national average. The risk of tornado damage in Dubuque Area 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, #791

Dubuque Area
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, #129

Dubuque Area
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, #286

Dubuque Area
201.62
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 14,570 other weather extremes events within 50 miles of Dubuque Area were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:63Cold:154Dense Fog:94Drought:48
Dust Storm:0Flood:1,485Hail:4,173Heat:70Heavy Snow:174
High Surf:0Hurricane:0Ice Storm:88Landslide:1Strong Wind:181
Thunderstorm Winds:6,342Tropical Storm:0Wildfire:8Winter Storm:352Winter Weather:254
Other:1,083 

Volcanos Nearby

No volcano is found in or near Dubuque Area.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Dubuque Area.

No historical earthquake events found in or near Dubuque Area.

Historical Tornado Events

A total of 79 historical tornado events that had recorded magnitude of 2 or above found in or near Dubuque Area.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
4.51967-04-30242°24'N / 90°54'W2.00 Miles400 Yards00250K0Dubuque
6.61965-08-26242°32'N / 90°58'W0.50 Mile100 Yards0025K0Dubuque
7.61969-06-29242°24'N / 91°00'W0025K0Dubuque
7.61965-04-11441°51'N / 90°56'W42°52'N / 90°55'W70.20 Miles200 Yards102.5M0Cedar
8.81972-09-28242°17'N / 91°22'W42°25'N / 90°33'W42.60 Miles2200 Yards002.5M0Jones
11.21958-07-29242°20'N / 91°05'W42°17'N / 90°48'W14.50 Miles200 Yards0025K0Dubuque
11.51970-09-09242°30'N / 91°06'W1.00 Mile100 Yards00250K0Dubuque
11.91966-07-09242°30'N / 90°40'W42°30'N / 90°38'W0025K0Dubuque
13.51990-03-13442°23'N / 91°08'W42°24'N / 91°07'W1.00 Mile200 Yards0025.0M0Dubuque
13.61970-09-09342°30'N / 90°40'W42°33'N / 90°35'W4.70 Miles300 Yards000K0Dubuque
15.31991-03-27242°17'N / 90°42'W42°19'N / 90°39'W1.00 Mile100 Yards01250K0Dubuque
15.41991-03-27242°19'N / 90°39'W42°20'N / 90°38'W0.50 Mile100 Yards00250K0Jackson
16.51954-04-30242°13'N / 91°12'W42°27'N / 91°06'W16.60 Miles50 Yards000K0Jones
17.91990-03-13442°20'N / 91°16'W42°23'N / 91°08'W9.00 Miles200 Yards0025.0M0Delaware
18.31964-05-04242°20'N / 91°15'W42°23'N / 91°10'W4.70 Miles200 Yards02250K0Delaware
20.21969-06-04242°46'N / 91°00'W42°44'N / 90°55'W4.10 Miles200 Yards00250K0Grant
21.41970-09-09242°24'N / 90°30'W42°30'N / 90°25'W7.70 Miles70 Yards000K0Jo Daviess
22.01992-07-13342°11'N / 91°08'W42°11'N / 91°02'W5.00 Miles73 Yards002.5M0Jones
22.61955-04-19242°16'N / 90°41'W42°16'N / 90°22'W15.90 Miles50 Yards003K0Jackson
23.61960-11-15242°16'N / 90°30'W1.00 Mile50 Yards003K0Jackson
24.31990-03-13442°16'N / 91°20'W42°20'N / 91°16'W5.00 Miles200 Yards0025.0M0Jones
25.21959-05-19242°48'N / 90°48'W42°50'N / 90°42'W4.90 Miles200 Yards0025K0Grant
25.91969-06-26242°22'N / 91°34'W42°39'N / 91°12'W26.90 Miles300 Yards00250K0Delaware
25.91970-09-09242°41'N / 90°40'W42°47'N / 90°23'W15.70 Miles200 Yards00250K0Grant
26.01960-11-15242°28'N / 91°28'W42°34'N / 91°18'W10.50 Miles70 Yards00250K0Delaware
27.21970-09-09242°30'N / 90°25'W42°32'N / 90°17'W6.60 Miles200 Yards0025K0Lafayette
27.71966-07-13242°43'N / 90°30'W42°44'N / 90°26'W2.70 Miles200 Yards00250K0Grant
28.31988-11-15242°29'N / 91°28'W42°36'N / 91°23'W11.00 Miles63 Yards00250K0Delaware
28.71991-03-22242°21'N / 91°32'W42°35'N / 91°21'W17.00 Miles80 Yards01250K0Delaware
29.12007-06-01242°12'N / 90°25'W42°15'N / 90°24'W3.00 Miles350 Yards003.3M0KJackson
 Brief Description: EVENT NARRATIVE: A tornado touched down about 3.5 miles south of Bellevue, IA. It moved north to county road Z15 and then northeast crossing the Mississippi River just south of Lock and Dam 12 into Jo Daviess County Illinois. Along the path, damage consisted of snapped and uprooted trees, farm out buildings, and roofs. The most significant damage occurred near the junction of county highway Z15 and 407th Avenue. A mobile home was rolled over and destroyed. The residents of the mobile home had taken shelter in the farm house about 100 feet away. The farm house only had damaged gutters. EPISODE NARRATIVE: A line of thunderstorms pivoted northeast into parts of southeast Iowa during the mid-morning hours of June 1st. Much of the area was just breaking out of a blanket of dense fog where visibilities dropped to less than a quarter mile. Dew point temperatures were in the middle 60s to around 70 degrees. The line of storms appeared to become more broken through the late morning hours, while the area from Iowa City to Waterloo appeared to stratify out into a large area of showers. Just before 12:00 pm CDT, rapid intensification of storm cells on the southeast end of the original line occurred as it moved into northern portions of Louisa County. A tornado touched down just south of Grandview, IA and moved northeast through Fruitland, IA and on to the southwest parts of Muscatine, IA. The tornado then lifted and as the storm cell continued to move northeast across Muscatine County. The super-cell re-intensified as it entered the southeast part of Cedar County just before 1 pm producing a brief tornado near Wilton, IA. The storm then moved across northwest parts of Scott County and Clinton County producing damaging wind gusts and large hail. The super-cell continued northeast into Jackson County producing a tornado near Bellevue around 2:30 pm, which moved across the Mississippi River into Jo Daviess County before lifting. The storm produced yet another tornado just south of Scales Mound, IL around 3:15 pm before moving into southwest Wisconsin and dissipating. During the early afternoon hours, additional storms strengthened on the south end of the original line of storms, which went on to produce wind damage and large hail as they moved through northwest Illinois through the late afternoon hours.
29.31990-03-13442°14'N / 91°25'W42°16'N / 91°20'W4.00 Miles200 Yards0025.0M0Linn
29.61975-11-09242°03'N / 90°43'W42°04'N / 90°40'W1.30 Miles200 Yards02250K0Jackson
31.31985-05-30342°53'N / 91°08'W42°56'N / 90°52'W14.00 Miles1500 Yards022.5M0Grant
31.81974-08-12442°21'N / 91°29'W5.00 Miles400 Yards0122.5M0Delaware
31.91954-04-30442°06'N / 91°45'W43°11'N / 91°10'W80.40 Miles200 Yards000K0Linn
32.81995-07-27342°36'N / 91°41'W42°27'N / 91°21'W20.50 Miles150 Yards001.0M330KBuchanan And Delaware
32.91998-05-15242°33'N / 90°24'W42°48'N / 90°12'W20.00 Miles150 Yards0111.7M140KLafayette
 Brief Description: A supercell thunderstorm, after dropping a couple tornadoes in northeast Iowa, eventually moved northeast into Lafayette county, creating another tornado. This tornado touched down just southwest of Benton and hopped/skipped northeast for 20 miles. It caused moderate to severe damage to 40 different farms and their outbuildings, and homes. Numerous power lines were downed. Eleven people were injured: 2 children near Cuba city, 3 children southwest of Truman, and 6 adults in a vehicle on Highway 81 south of Benton. Several farm fields sustained damage. After the F2 tornado tore through Lafayette county a series of severe thunderstorms pummeled southcentral and southeast Wisconsin with numerous reports of tree limb damage and trees downed, which in turn downed a few power lines. The highest reported wind gust was 65 mph near Reedsburg (Sauk Co.). Other notable damage included roofs and doors ripped off of buildings in Mayville (Dodge Co.) and a deck ripped off a house in Ripon (Fond du Lac Co.) where several cars where also damaged by felled trees.
32.91953-05-20342°01'N / 91°23'W42°05'N / 91°01'W19.20 Miles400 Yards030K0Jones
33.21971-07-12342°18'N / 91°31'W42°18'N / 91°28'W022.5M0Delaware
33.81990-06-02242°25'N / 91°35'W42°27'N / 91°30'W5.00 Miles67 Yards00250K0Delaware
34.01957-05-25242°54'N / 90°55'W43°00'N / 90°38'W15.60 Miles400 Yards0025K0Grant
34.01966-06-05242°17'N / 91°30'W000K0Linn
34.21992-07-13241°58'N / 91°04'W41°59'N / 90°55'W5.70 Miles73 Yards002.5M0Jones
34.41969-06-04242°50'N / 90°34'W42°42'N / 90°07'W24.40 Miles200 Yards00250K0Grant
34.51975-11-09241°54'N / 90°53'W42°02'N / 90°43'W12.30 Miles200 Yards02250K0Clinton
35.91990-06-13242°51'N / 91°24'W42°53'N / 91°15'W8.00 Miles67 Yards00250K0Clayton
36.21985-05-30342°51'N / 91°32'W42°53'N / 91°08'W20.00 Miles500 Yards22525.0M0Clayton
36.81984-06-07242°44'N / 90°20'W42°48'N / 90°14'W6.00 Miles40 Yards00250K0Lafayette
36.91988-05-08242°59'N / 90°51'W43°00'N / 90°41'W10.00 Miles40 Yards00250K0Grant
37.41991-03-22241°53'N / 90°51'W41°58'N / 90°45'W7.00 Miles60 Yards002.5M0Clinton
37.81969-06-26242°58'N / 90°35'W2.00 Miles100 Yards0225K0Grant
38.61988-05-08242°56'N / 90°35'W42°59'N / 90°28'W7.50 Miles200 Yards00250K0Grant
38.61985-05-30242°55'N / 90°27'W42°55'N / 90°25'W1.80 Miles500 Yards00250K0Grant
38.61990-06-02242°24'N / 91°41'W42°25'N / 91°35'W5.50 Miles67 Yards00250K0Buchanan
38.71972-09-28242°12'N / 91°47'W42°17'N / 91°22'W21.90 Miles2200 Yards032.5M0Linn
38.71964-05-04242°07'N / 91°28'W42°09'N / 91°31'W2.30 Miles200 Yards01250K0Linn
39.51969-06-29242°36'N / 90°14'W42°39'N / 90°02'W10.40 Miles200 Yards00250K0Lafayette
40.11954-04-30242°38'N / 91°38'W1.00 Mile200 Yards000K0Buchanan
41.61988-05-08342°35'N / 90°14'W42°43'N / 89°58'W16.00 Miles123 Yards00250K0Lafayette
41.91967-06-11242°24'N / 90°06'W42°26'N / 90°01'W4.30 Miles500 Yards00250K0Jo Daviess
41.91995-07-27241°56'N / 90°45'W41°49'N / 90°36'W10.50 Miles70 Yards00200K150KClinton
42.21965-04-11442°52'N / 90°35'W43°10'N / 90°28'W21.30 Miles200 Yards032.5M0Clinton
42.41958-05-31242°43'N / 90°09'W42°44'N / 90°06'W1.30 Miles33 Yards00250K0Lafayette
43.01953-05-10342°57'N / 91°20'W43°03'N / 91°17'W6.60 Miles400 Yards00250K0Clayton
43.21984-06-07242°48'N / 90°14'W42°52'N / 90°09'W5.00 Miles40 Yards00250K0Iowa
44.21953-05-20341°59'N / 91°34'W42°01'N / 91°23'W9.40 Miles400 Yards040K0Linn
44.32001-09-06242°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.
45.11967-01-24241°57'N / 90°20'W00250K0Clinton
45.11954-05-23242°10'N / 91°40'W003K0Linn
45.91967-01-24241°48'N / 90°50'W2.00 Miles150 Yards0025K0Clinton
45.91985-05-30242°55'N / 90°25'W43°00'N / 90°08'W14.20 Miles500 Yards00250K0Iowa
46.31965-08-25243°04'N / 91°23'W43°01'N / 91°18'W4.70 Miles100 Yards00250K0Clayton
46.61966-10-14242°03'N / 91°36'W5.00 Miles33 Yards00250K0Linn
46.81995-05-09241°49'N / 91°19'W41°54'N / 91°16'W7.00 Miles100 Yards00500K0Cedar
47.31967-01-24241°47'N / 90°46'W2.00 Miles143 Yards0025K0Scott
48.01954-04-30241°40'N / 92°00'W42°28'N / 91°18'W65.80 Miles200 Yards000K0Iowa
48.81967-01-24241°52'N / 90°22'W1.00 Mile200 Yards0025K0Clinton
49.01988-05-08341°45'N / 90°47'W41°46'N / 90°45'W2.00 Miles150 Yards0025.0M0Scott
49.21988-05-08341°46'N / 90°45'W41°52'N / 90°12'W30.00 Miles150 Yards0025.0M0Clinton


* 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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