Table 3 Vulnerability metrics and absolute changes in the mean percentage, percentile ranking, and differences in vulnerability metrics from 1980 to 2020 for counties that are within the 95th (i.e., Mid-South) and 5th (i.e., Southern Plain) percentile for changes in tornado days per decade from 1980 to 2020

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

Category

Metric

1980

2020

Differences

Mean %

Mean percentile ranking

Mean %

Mean percentile ranking

Mean % difference

Mean percentile ranking difference

Socio-economic

Poverty

21.8 (16.5)

0.76 (0.57)

18.4 (13.7)

0.73 (0.49)

−3.4 (−2.9)

−0.030 (−0.077)

Unemployed

3.2 (1.5)

0.61 (0.16)

2.7 (2.2)

0.59 (0.47)

−0.5 (0.7)

−0.019 (0.310)

Public Assistance

13.8 (8.2)

0.81 (0.52)

16.4 (12.3)

0.67 (0.47)

2.6 (4.1)

−0.134 (−0.048)

Housing

Manufactured Homes

9.3 (8.1)

0.52 (0.43)

21.5 (18.0)

0.66 (0.57)

12.3 (9.9)

0.141 (0.145)

Renters

26.4 (27.0)

0.48 (0.50)

29.4 (27.9)

0.55 (0.49)

3.0 (0.9)

0.073 (−0.011)

Age

Aged 65+

14.1 (15.6)

0.59 (0.63)

18.5 (18.3)

0.45 (0.44)

4.4 (2.8)

−0.135 (−0.183)

Aged 17 or Younger

30.3 (28.5)

0.57 (0.42)

22.7 (23.4)

0.57 (0.64)

−7.6 (−5.1)

0.005 (0.217)

Aged 4 or Younger

7.7 (7.6)

0.52 (0.47)

5.9 (6.2)

0.57 (0.61)

−1.8 (−1.4)

0.046 (0.132)

Race and Ethnicity

Non-white

21.4 (14.1)

0.67 (0.67)

30.0 (31.2)

0.62 (0.69)

8.6 (17.0)

−0.048 (0.028)

Black

20.6 (7.1)

0.72 (0.59)

22.7 (6.7)

0.72 (0.54)

2.1 (−0.4)

−0.009 (−0.046)

Hispanic

0.1 (5.2)

0.27 (0.88)

3.9 (29.3)

0.36 (0.87)

3.8 (24.1)

0.093 (−0.009)

Migration

Migrants

0.2 (1.3)

0.30 (0.76)

0.6 (1.7)

0.35 (0.63)

0.4 (0.4)

0.056 (−0.132)

Language

Poor English

1.3 (15.9)

0.19 (0.79)

1.5 (6.4)

0.36 (0.79)

0.1 (−9.5)

0.173 (0.003)

Disability

Disability

7.8 (5.7)

0.80 (0.46)

9.8 (7.3)

0.76 (0.48)

2.0 (1.5)

−0.037 (0.015)

Sex

Female

51.5 (50.9)

0.68 (0.54)

50.9 (49.4)

0.67 (0.44)

−0.7 (−1.5)

−0.010 (−0.103)

Female Head of Household

6.8 (4.8)

0.65 (0.42)

14.2 (11.7)

0.71 (0.58)

7.4 (6.9)

0.061 (0.152)

Education

No High School Diploma

51.9 (46.6)

0.77 (0.65)

14.1 (14.2)

0.70 (0.65)

−37.7 (−32.5)

−0.065 (0.006)

Overall

All

−(−)

0.71 (0.66)

− (−)

0.70 (0.68)

− (−)

−0.01 (−0.02)

  1. Values in parentheses represent mean vulnerability measures for Southern Plains counties.