| Category | Wind Speed | Barometric Pressure | Storm Surge | Damage Potential |
|---|---|---|---|---|
|
Tropical
Depression |
< 39 mph
< 34 kts |
Minimal | ||
|
Tropical
Storm |
39 - 73 mph
34 - 63 kts |
Minimal | ||
|
Hurricane 1
(Weak) |
74 - 95 mph
64 - 82 kts |
28.94" or more
980.02 mb or more |
4.0' - 5.0'
1.2 m - 1.5 m |
Minimal damage to vegetation |
|
Hurricane 2
(Moderate) |
96 - 110 mph
83 - 95 kts |
28.50" - 28.93"
965.12 mb - 979.68 mb |
6.0' - 8.0'
1.8 m - 2.4 m |
Moderate damage to houses |
|
Hurricane 3
(Strong) |
111 - 130 mph
96 - 112 kts |
27.91" - 28.49"
945.14 mb - 964.78 mb |
9.0' - 12.0'
2.7 m - 3.7 m |
Extensive damage to small buildings |
|
Hurricane 4
(Very strong) |
131 - 155 mph
113 - 135 kts |
27.17" - 27.90"
920.08 mb - 944.80 mb |
13.0' - 18.0'
3.9 m - 5.5 m |
Extreme structural damage |
|
Hurricane 5
(Devastating) |
Greater than 155 mph
Greater than 135 kts |
Less than 27.17"
Less than 920.08 mb |
Greater than 18.0'
Greater than 5.5m |
Catastrophic building failures possible |