|
|
Original F scale (1) |
Enhanced F scale (2) |
Category |
Damage |
Wind speed (mph) |
3-second gust (mph) |
F-0 |
Light |
40-72 |
65-85 |
F-1 |
Moderate |
73-112 |
86-110 |
F-2 |
Considerable |
113-157 |
111-135 |
F-3 |
Severe |
158-207 |
136-165 |
F-4 |
Devastating |
208-260 |
166-200 |
F-5 |
Incredible |
261-318 |
Over 200 |
|
(1) Original scale: wind speeds represent fastest estimated speeds over one quarter of a mile.
(2) Enhanced scale: wind speeds represent maximum 3-second gusts.
Source: U.S. Department of Commerce, National Oceanic and Atmospheric Administration.