Table 1 Top 10 ranking for counties that have experienced the greatest increase in tornado days per decade from 1980 to 2020

From: Changes in tornado risk and societal vulnerability leading to greater tornado impact potential

Rank

Tornado day change per decade

County

State

1 (3048)

4.1 (−2.5)

Lafayette (Grimes)

Mississippi (Texas)

2 (3047)

3.6 (−2.4)

Marshall (Comanche)

Mississippi (Texas)

3 (3046)

3.5 (−2.4)

Benton (Erath)

Mississippi (Texas)

4 (3045)

3.5 (−2.3)

Tate (Austin)

Mississippi (Texas)

5 (3044)

3.5 (−2.3)

Pontotoc (Hamilton)

Mississippi (Texas)

6 (3043)

3.4 (−2.2)

Chester (Palo Pinto)

Tennessee (Texas)

7 (3042)

3.4 (−2.1)

Union (Colorado)

Mississippi (Texas)

8 (3041)

3.3 (−2.1)

Crittenden (Lavaca)

Arkansas (Texas)

9 (3040)

3.3 (−2.1)

Alcorn (Waller)

Mississippi (Texas)

10 (3039)

3.3 (−2.0)

Lee (Calhoun)

Mississippi (Texas)

  1. Parentheticals indicate those counties that had the greatest decrease in tornado days for the same period. Cf. Fig. 2A, B.