Safir-Simpson Storm Scale
Type Storm
Category
Pressure (mb)
Winds
(knots)
Winds
(mph)
Surge
(ft)
Depression
TD ----- < 34 < 39 ---
Tropical Storm
TS ----- 34-63 39-73 ---
Hurricane
1 > 980 64-82 74-95 4-5
Hurricane
2 965-980 83-95 96-110 6-8
Hurricane
3 945-965 96-113 111-130 9-12
Hurricane
4 920-945 114-135 131-155 13-18
Hurricane
5 < 920 >135 >155 >18

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