1
What are the Different Categories of Hurricanes?
Hurricanes are categorized on the Saffir-Simpson Hurricane Scale based on their intensity. The
Scale starts at 1, which is a minimal hurricane, and ends at 5, being a very strong hurricane.
Category
1
2
3
4
5
(km/h)
119-153
154-177
178-209
210-249
>250
Windspeed
(mph)
74-95
96-110
111-130
131-155
>156
Damage
(knots)
64-82
83-95
96-113
114-135
>136
Minimal
Moderate
Extensive
Extreme
Catastrophic
Storm Surge
(ft)
4-5
6-8
9-12
13-18
>19

Minimal: damage primarily to shrubbery, trees and foliage; some coastal flooding and
possible minor damage to boats.

Moderate: considerable damage to trees; some roof, window and door damage; coastal
flooding requiring evacuation; damage to boats.

Extensive: large trees blown down; structural damage to small buildings; serious
flooding near coast; evacuation necessary; coastal structures damaged or destroyed.

Extreme: extensive destruction of trees and buildings; large-scale flooding; major
damage to low structures within about 450m of shore; possible evacuation from low
ground within eight to 16km of shore.

Catastrophic: trees down; extensive building damage; coastal area below 3m flooded up
to 10km inland; major damages to coastal structures; beaches eroded; massive evacuation
near coast.