| 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 |
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
|