Wind Speed |
mph |
Description |
25-31 mph |
Large branches in motion; whistling in telephone wires.
|
32-38 mph |
Whole trees in motion; inconvenience felt walking against 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; mobile homes overturned; moving cars pushed off road. |
113-157 mph |
Roofs torn off houses; cars lifted off ground.
|