| 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. |
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