Hurricane Quick Reference

 

Wind Speed (knots)

Pressure

Surge (ft)

Damage

Inches

MB

Tropical

Disturbance

 < 35  (No Closed Circulation)

 

 

 

 

Tropical

Depression

 < 35  (Closed Circulation)

 

 

 

 

Tropical Storm

 35-64

 

 

 

 

Hurricane

 > 64

 

 

 

 

    Category 1

 65-82  (Dolly 1996)

>29.84

 

4-5

Minimal

    Category 2

 83-95  (Bob 1991)

28.50-28.91

 

6-8

Moderate

    Category 3

 96-113  (Hugo 1992)

27.91-28.47

 

9-12

Extensive

    Category 4

 113-135 (Andrew 1992)

27.17-27.88

 

13-18

Extreme

    Category 5

 >135  (Camille 1969)

<27.17

 

>18

Catastrophic

Atlantic Season June 1 --- Nov 30

MPH = KTS * 1.1508

KTS = MPH * 0.86898