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2021 Iowa Tornadoes

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Radar loop of the tornado event. The top left image is base reflectivity (Z) and the top right image is storm-relative velocity (SRV). The bottom two images are correlation coefficient (CC) and spectrum width (SW). Low values of CC, combined with a SRV couplet or on a convergence zone, are a strong indicator of debris being lofted by a tornado. High values of SW can also denote the presence of a circulation.

Total Iowa Tornadoes: 114
EF0 (26)
EF1 (35)
EF2 (22)
EF3 (1)
EF4 (0)
EF5 (0)
EFU*(30)
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***ALL DATA ON THIS PAGE IS PRELIMINARY AND MAY CHANGE AT ANY TIME***
This page will be updated as time and resources allow and may not contain information from recent events
Information last updated on 02/06/2022

Above is a map of the tornadoes that occurred across Iowa in 2021. Mouse over each icon to view more information on that tornado, which will appear in the box to the right. A season summary and table of these tornadoes is provided below. Detailed KMZ files for many of the tracks can be downloaded and viewed in Google Earth by clicking on the appropriate icon in the table below. To download the full year map shown above, click the download button below.

Please note: Track lines and contours are often interpolated and may not encompass the full extent of the damage. Surveying procedures vary between NWS offices. Downloadable tracks may not be available for weak tornadoes that were not surveyed.

*EFU - EF Unknown rating. This is used in instances that a tornado does not impact damage indicators used to assigned an EF rating.

2021 Iowa Tornado Summary  

The 2021 tornado season started on March 23rd with a brief tornado in Lee county.  This tornado produced some roof and tree damage along with destroying a small shed.   A second tornado occurred on April 7th on the southwest side of Cedar Rapids.  This brief tornado damaged several mobile homes and produced one minor injury from glass after a window blew into a bedroom.  

    

 

 

 

2021 Iowa Tornado Listing
Click each date for storm survey or event summaries (for select events)
# Date Time - Local
(CDT/CST)		 Counties Start Location EF Rating Path
Length		 Injuries/
Deaths		 KMZ File Survey
Office
1. 03/23/2021 7:19pm - 7:20pm Lee 1.0 mi NW of Fort Madison Airport EF0 0.10 mi 0/0 DVN
2. 04/07/2021 8:36pm - 8:37pm Linn SW Side of Cedar Rapids EF0 0.65 mi 1/0 DVN

3.

 05/15/2021 4:35pm - 4:36pm Calhoun 4.2 mi ENE of Manson EFU 0.33 mi 0/0 DMX
4. 05/15/2021 5:49pm - 5:51pm Howard 1.6 mi N of Saratoga EF0 0.30 mi 0/0 ARX
5. 05/20/2021 9:04pm - 9:05pm Madison 4.1 mi N of Winterset EFU 0.46 mi 0/0 DMX
6. 05/20/2021 9:44pm - 9:47pm Dallas 0.5 mi SSE of Moran EF0 1.93 mi 0/0 DMX
7. 06/20/2021 6:40pm - 6:44pm Marion 2.3 mi NNW of Pella EF1 1.47 mi 0/0 DMX
8. 06/20/2021 8:06pm - 8:12pm Jackson/Dubuque 1.5 mi W Garry Owen EF1 3.35 mi 0/0 DVN
9. 07/14/2021 3:52pm - 4:17pm Calhoun 2.8 mi WSW of Lake City EF3 10.81 mi 0/0 DMX
10. 07/14/2021 4:05pm - 4:23pm Hamilton 1.0 mi ENE of Stratford EF0 8.85 mi 0/0 DMX
11. 07/14/2021 4:21pm - 4:40pm Hamilton 3.33 mi N of Stanhope EF1 8.87 mi 0/0 DMX
12. 07/14/2021 4:46pm - 4:47pm Webster 2.7 mi ENE of Farnhamville EFU 0.31 mi 0/0 DMX
13. 07/14/2021 4:57pm - 4:59pm Butler 1.8 mi NNE of Butler Center EFU 1.19 mi 0/0 DMX
14. 07/14/2021 5:11pm - 5:13pm Sac 2.5 mi SSW of Nemaha EFU 0.60 mi 0/0 DMX
15. 07/14/2021 5:21pm - 5:43pm Butler/Bremer 2.9 mi SW of Shell Rock EF2 12.88 mi 0/0 DMX
16. 07/14/2021 5:34pm - 6:02pm Floyd 3.0 mi SW of Rudd EF1 12.02 mi 0/0 ARX
17. 07/14/2021 5:35pm - 5:38pm Sac 2.2 mi WSW of Lytton EFU 0.77 mi 0/0 DMX
18. 07/14/2021 5:52pm - 6:05pm Cerro Gordo 2.6 mi NNE of Rockwell EF0 5.10 mi 0/0 DMX
19. 07/14/2021 6:12pm - 6:18pm Bremer 3.2 mi SSE of Buck Creek EF0 2.50 mi 0/0 DMX
20. 07/14/2021 6:45pm - 6:55pm Buchanan/Fayette 2.9 WNW Hazelton EF0 3.18 mi 0/0 DVN/DMX
21. 07/14/2021 7:03pm - 7:09pm Tama/Benton 0.3 mi SW of Dysart EF1 2.18 mi 0/0 DMX/DVN
22. 07/14/2021 7:10pm Buchanan 2.8 mi S of Aurora EFU 0.10 mi 0/0 DVN
23. 07/14/2021 7:19pm Benton 5.0 mi NW of Garrison EFU 0.10 mi 0/0 DVN
24. 07/14/2021 7:36pm Benton 2.6 mi ESE of Garrison EFU 0.10 mi 0/0 DVN
25. 07/14/2021 7:50pm - 7:53pm Delaware 3.0 mi S of Coffins Grove EF1 1.39 mi 0/0 DVN
26. 07/14/2021 7:54pm - 7:56pm Delaware 2.3 mi WSW of Manchester EF1 1.12 mi 0/0 DVN
27. 07/14/2021 7:56pm Benton 4.5 mi NW Shellsburg EFU 0.10 mi 0/0 DVN
28. 07/14/2021 8:07pm Benton 4.9 mi SSW of Vinton EFU 0.10 mi 0/0 DVN
29. 07/14/2021 8:50pm Linn 3.6 mi NNE of Fayette EFU 0.10 mi 0/0 DVN
30. 07/14/2021 8:52pm Linn 2.1 mi N of Center Point EFU 0.10 mi 0/0 DVN
31. 07/14/2021 9:44pm - 9:48pm Jones 3.1 mi WNW of Langworthy EF1 1.80 mi 0/0 DVN
32. 07/14/2021 10:02pm - 10:20pm Jones 2.1 mi SE of Monticello Airport EF1 8.00 mi 0/0 DVN
33. 07/14/2021 10:30pm - 10:34pm Jones 3.4 mi WSW of Canton EF1 3.13 mi 0/0 DVN
34. 08/08/2021 4:36pm - 4:38pm Osceola 2.9 mi NW of Ocheyedan EFU 0.79 mi 0/0 FSD
35. 08/08/2021 4:47pm - 4:52pm Osceola 0.4 mi SSE Ocheyedan EF0 2.42 mi 0/0 FSD
36. 08/08/2021 8:12pm - 8:13pm Buena Vista 5.8 mi SSE Albert City EFU 0.31 mi 0/0 FSD
37. 08/08/2021 11:00pm - 11:06pm Webster 1.6 mi SE of Moorland EFU 1.65 mi 0/0 DMX
38. 08/08/2021 11:19pm - 11:25pm Webster 1.0 mi N Lindgren EFU 1.70 mi 0/0 DMX
39. 08/08/2021 11:47pm -11:54pm Webster 1.6 SW Palm Grove EFU 1.86 mi 0/0 DMX
40. 08/09/2021 12:02am - 12:06am Webster 2.2 NE Harcourt EFU 1.36 mi 0/0 DMX
41. 08/09/2021 12:06am - 12:07am Webster 2.4 E Harcourt EFU 0.49 mi 0/0 DMX
42. 08/11/2021 5:40pm - 5:43pm Dubuque 3.8 SSW Epworth EF0 0.60 mi 0/0 DVN
43. 08/20/2021 3:34pm - 3:41pm Osceola 1.0 NNE Ashton EF0 3.64 mi 0/0 FSD
44. 08/20/2021 8:03pm - 8:05pm Pocahontas 1.7 WNW Blanden EFU 1.18 mi 0/0 DMX
45. 08/20/2021 8:19pm - 8:22pm Humboldt 1.2 N Unique EFU 2.16 mi 0/0 DMX
46. 08/20/2021 9:05pm - 9:10pm Wright 2.1 N Goldfield EFU 4.05 mi 0/0 DMX
47. 08/27/2021 5:06pm - 5:12pm Cerro Gordo 4.9 SSW Clear Lake EF0 2.14 mi 0/0 DMX
48. 08/27/2021 5:35pm - 5:41pm Cerro Gordo 2.6 WNW Dougherty EFU 2.04 mi 0/0 DMX
49. 08/27/2021 5:50pm - 5:51pm Floyd 2.5 SSE Knoop Airport EFU 1.34 mi 0/0 ARX
50. 08/27/2021 5:51pm - 5:54pm Floyd 0.5 ESE Knoop Airport EF0 2.19 mi 0/0 ARX
51. 08/27/2021 5:57pm - 6:11pm Floyd 1.0 WSW Aureola EF1 6.38 mi 0/0 ARX
52. 12/15/2021 4:14pm - 4:23pm Mills 4.0 WNW Tabor EF1 9.97 mi 0/0 OAX
53. 12/15/2021 4:16pm - 4:17pm Pottawattamie 5.4 SSW Council Bluffs EF0 0.87 mi 0/0 OAX
54. 12/15/2021 4:16pm - 4:17pm Woodbury 1.6 SW Salix EFU 0.81 mi 0/0 FSD
55. 12/15/2021 4:20pm - 4:24pm Woodbury 3.7 SE Sergeant Bluff EF1 4.56 mi 0/0 FSD
56. 12/15/2021 4:24pm - 4:27pm Pottawattamie 4.0 WSW McClelland EF2 2.34 mi 0/0 OAX
57. 12/15/2021 4:26pm - 4:32pm Woodbury 2.1 NE Bronson EF2 8.44 mi 0/0 FSD
58. 12/15/2021 4:31pm - 4:36pm Pottawattamie 4.6 SSW Neola EF2 6.68 mi 0/0 OAX
59. 12/15/2021 4:31pm - 4:32pm Mills 4.0 S Henderson EF1 0.63 mi 0/0 OAX
60. 12/15/2021 4:34pm - 4:42pm Pottawattamie 3.4 WNW Macedonia EF1 9.57 mi 0/0 OAX
61. 12/15/2021 4:35pm - 4:43pm Woodbury/Plymouth 4.1 ENE Moville EF1 7.95 mi 0/0 FSD
62. 12/15/2021 4:42pm - 4:51pm Ida 3.9 SW Battle Creek EF1 13.00 mi 0/0 FSD
63. 12/15/2021 4:48pm-4:51pm Denison 4.5 WNW Dow City EFU 4.40 mi 0/0 DMX
64. 12/15/2021 4:49pm-5:09pm Cass/Audubon 2.2 NW Lewis EF2 27.15 mi 0/0 DMX
65. 12/15/2021 4:58pm-5:06pm Ida/Cherokee/Buena Vista 1.6 NNW Galva EF1 11.16 mi 0/0 FSD
66. 12/15/2021 4:59pm-5:12pm Cherokee/Buena Vista 6.0 SW Aurelia EF1 18.19 mi 0/0 FSD
67. 12/15/2021 5:00pm-5:09pm Cass/Audubon 2.3 E Lorah EF1 11.81 mi 0/0 DMX
68. 12/15/2021 5:05pm-5:11pm Cherokee/O'Brien 0.3 SE Larrabee EF1 7.70 mi 0/0 FSD
69. 12/15/2021 5:10pm-5:18pm Guthrie 10.7 SW Guthrie Center EF1 11.46 mi 0/0 DMX
70. 12/15/2021 5:13pm-5:26pm Carroll/Sac 4.8 W Breda EF2 17.71 mi 0/0 DMX
71. 12/15/2021 5:14pm-5:28pm Guthrie/Greene 5.7 SW Wichita EF2 19.69 mi 0/0 DMX
72. 12/15/2021 5:18pm-5:22pm Buena Vista 0.7 NNW Rembrandt EF2 4.77 mi 0/0 FSD
73. 12/15/2021 5:19pm-5:26pm Carroll 2.3 NNE Willey EF1 9.70 mi 0/0 DMX
74. 12/15/2021 5:21pm-5:42pm Guthrie/Greene 5.1 N Guthrie Center EF2 30.05 mi 0/0 DMX
75. 12/15/2021 5:27pm-5:45pm Guthrie/Greene 1.4 ESE Bagley EF2 23.54 mi 0/0 DMX
76. 12/15/2021 5:29pm-5:33pm Greene 8.4 SW Jefferson EF2 5.50 mi 0/0 DMX
77. 12/15/2021 5:32pm-5:36pm Greene 5.6 WSW Jefferson EF2 5.89 mi 0/0 DMX
78. 12/15/2021 5:34pm-5:36pm Greene 4.5 S Churdan EF2 2.74 mi 0/0 DMX
79. 12/15/2021 5:34pm-5:35pm Calhoun 5.3 ESE Lake City EFU 1.33 mi 0/0 DMX
80. 12/15/2021 5:35pm-5:49pm Calhoun 3.8 SW Lohrville EF1 19.24 mi 0/0 DMX
81. 12/15/2021 5:39pm-5:43pm Dickinson 5.2 SE Milford EF1 3.96 mi 0/0 FSD
82. 12/15/2021 5:39pm-5:52pm Greene/Boone/Webster 1.7 ENE Grand Junction EF2 17.72 mi 0/0 DMX
83. 12/15/2021 5:40pm-5:54pm Calhoun/Webster 3.3 SSE Rinard EF2 18.01 mi 0/0 DMX
84. 12/15/2021 5:41pm-5:50pm Palo Alto 1.9 NE Ayrshire EF1 11.21 mi 0/0 DMX
85. 12/15/2021 5:42pm-5:57pm Greene/Webster 1.7 SW Paton EF2 18.94 mi 0/0 DMX
86. 12/15/2021 5:43pm-5:44pm Pocahontas 3.9 SSE Palmer EFU 1.22 mi 0/0 DMX
87. 12/15/2021 5:49pm-6:01pm Boone/Webster/Hamilton 2.5 S Pilot Mound EF2 16.27 mi 0/0 DMX
88. 12/15/2021 5:50pm-5:56pm Pocahontas/Humboldt 4.4 SW Gilmore City EFU 7.11 mi 0/0 DMX
89. 12/15/2021 5:55pm-6:05pm Webster/Hamilton 2.5 SW Stratford EF2 12.15 mi 0/0 DMX
90. 12/15/2021 5:58pm-6:01pm Humboldt 1.9 NW Rutland EF1 4.23 mi 0/0 DMX
91. 12/15/2021 6:00pm-6:04pm Webster 3.0 WSW Duncombe EF2 5.57 mi 0/0 DMX
92. 12/15/2021 6:01pm-6:08pm Hamilton 2.7 SSW Stanhope EF0 8.88 mi 0/0 DMX
93. 12/15/2021 6:01pm-6:07pm Webster/Hamilton 5.7 ENE Lehigh EF0 7.63 mi 0/0 DMX
94. 12/15/2021 6:19pm-6:23pm Wright 4.2 SW Galt EF2 5.91 mi 0/0 DMX
95. 12/15/2021 6:25pm-6:38pm Wright/Franklin/Cerro Gordo 1.1 NNW Rowan EEF22 16.82 mi 0/0 DMX
96. 12/15/2021 6:26pm-6:35pm Hardin/Franklin 0.9 N Alden EF1 12.96 mi 0/0 DMX
97. 12/15/2021 6:27pm-6:43pm Hardin/Franklin 1.9 S Iowa Falls EF1 22.20 mi 0/0 DMX
98. 12/15/2021 6:28pm-6:32pm Wright/Hancock 2.8 SE Kanawha EF0 5.23 mi 0/0 DMX
99. 12/15/2021 6:38pm-6:43pm Franklin 1.8 SW Chapin EF1 6.03 mi 0/0 DMX
100. 12/15/2021 6:40pm-6:46pm Franklin 2.9 SSW Hansell EF2 7.57 mi 0/0 DMX
101. 12/15/2021 6:44pm-6:46pm Cerro Gordo 2.8 SE Rockwell EF0 2.87 mi 0/0 DMX
102. 12/15/2021 6:48pm-6:50pm Winnebago/Faribault 3.5 W Scarville EF1 2.86 mi 0/0 DMX
103. 12/15/2021 6:53pm-6:57pm Butler/Floyd 5.6 W Greene EF1 4.20 mi 0/0 DMX
104. 12/15/2021 6:54pm-6:57pm Cerro Gordo 0.8 E Rock Falls EF0 3.56 mi 0/0 DMX
105. 12/15/2021 6:58pm-7:05pm Worth 2.0 WSW Kensett EF0 9.11 mi 0/0 DMX
106. 12/15/2021 6:59pm-7:04pm Floyd 1.3 NE Marble Rock EF1 6.70 mi 0/0 ARX
107. 12/15/2021 7:01pm-7:06pm Jasper 4.7 S Newton EF0 6.27 mi 0/0 DMX
108. 12/15/2021 7:06pm-7:07pm Floyd 1.3 SSE Rudd EF1 1.79 mi 0/0 ARX
109. 12/15/2021 7:10pm-7:12pm Worth/Freeborn/Mower 8.4 ENE Northwood EF0 2.64 mi 0/0 DMX
110. 12/15/2021 7:15pm-7:18pm Chickasaw 3.0 NE Bassett EF1 3.99 mi 0/0 ARX
111. 12/15/2021 7:17pm-7:22pm Chickasaw/Howard 1.6 NNE Deerfield EF0 4.96 mi 0/0 ARX
112. 12/15/2021 7:23pm-7:28pm Howard 2.7 ENE Elma EF0 5.91 mi 0/0 ARX
113. 12/15/2021 7:29pm-7:32pm Howard 2.6 WNW Schley EF0 4.44 mi 0/0 ARX
114. 12/15/2021 7:31pm-7:35pm Howard 1.8 NE Schley EF0 4.60 mi 0/0 ARX

 



* Red entries indicate that the information is still under review

 

 

Track lengths use polylines created in the NWS Damage Assessment Toolkit when available, which may be longer than the official Storm Data track (derived from start and end points only).

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