Posted on Thu, May. 20, 2010
Saffir-Simpson scale
|
Amount of damage |
Barometric
pressure |
Winds |
Storm surge |
| Category 1 |
MINIMAL
Damage to shrubs, trees, mobile homes |
28.94 in. |
74-95 mph |
4-5 ft. |
| Category 2 |
MODERATE
Some damage to roofs, doors, windows;
some downed trees |
28.50-28.93 in. |
96-110 mph |
6-8 ft. |
| Category 3 |
EXTENSIVE
Minor damage to small buildings, homes;
large trees blown down |
27.91-28.49 in. |
111-130 mph |
9-12 ft. |
| Category 4 |
EXTREME
Major damage to buildings;
mobile homes destroyed |
27.17-27.90 in. |
131-155 mph |
13-18 ft. |
| Category 5 |
CATASTROPHIC
Buildings, roofs destroyed;
all trees, shrubs, signs downed |
< 27.17 in. |
> 155 mph |
> 18 ft. |
