| Wind Speed Estimate |
Description |
| 25-31 mph |
Large branches in motion;
whistling heard in telephone wires |
| 32-38 mph |
Whole trees in motion;
inconvenience felt walking against the wind |
| 39-54 mph |
Twigs break off trees;
wind generally impedes progress |
55-72 mph
(58 mph=Severe Criteria) |
Damage to chimneys and TV antennas;
pushes over shallow rooted trees |
| 73-112 mph |
Peels surfaces off roofs; windows broken;
light mobile homes pushed or overturned;
moving cars pushed off road |
| 113-157 mph |
Roofs torn off houses;
cars lifted off ground |
www.nws.noaa.gov 
