Category

Sustained wind speed

Storm surge (ft)

Damage

potential

mph

km/h

knots

Tropical Depression

<39

<63

<34

-

-

Tropical Storm

40 - 73

64 - 117

34 - 63

-

Very Minimal

1

74 - 95

119 - 153

64 - 82

4 - 5

Minimal

2

96 - 110

154 - 177

83 - 95

6 - 8

Moderate

3

111 - 129

178 - 208

96 - 112

9 - 12

Major

4

130 - 156

209 - 251

113 - 136

13 - 18

Extensive

5

≥157

≥252

≥137

>18

Catastrophic