| Category |
Wind Speed |
Barometric Pressure |
Storm Surge |
Damage Potential |
1
(Weak) |
74 - 95mph
65 - 82kts |
28.94" or more
980.02 mb or more |
4.0' - 5.0'
1.2 m - 1.5m |
Minimal damage
to vegetation |
2
(Moderate) |
96 - 110mph
83 - 95kts |
28.50" - 28.93"
965.12mb - 979.68mb |
6.0' - 8.0'
1.8 m - 2.4m |
Moderate damage
to houses |
3
(Strong) |
111 - 130mph
96 - 113 kts |
27.91" - 28.49"
945.14mb - 964.78mb |
9.0' - 12.0'
2.7m - 3.7m |
Extensive damage
to small buildings |
4
(Very strong) |
131 - 155mph
114 - 13 kts |
27.17" - 27.90"
920.08mb - 944.80mb |
13.0' - 18.0'
3.9m - 5.5m |
Extreme structural
damage |
5
(Devastating) |
Greater than 155mph
Greater than 135kts |
Less than 27.17"
Less than 920.08mb |
Greater than 18.0'
Greater than 5.5m |
Catastrophic building
failures possible |