Category | Sustained winds | Storm surge | Central pressure | Potential damage |
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| 33–42 m/s
74–95 mph 64–82 knot 119–153 km/h | 4–5 ft
1.2–1.5 m | 28.94 inHg
980 mbar | No real damage to building structures. Damage primarily to unanchored mobile homes, shrubbery, and trees. Also, some coastal flooding and minor pier damage. |
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| 43–49 m/s
96–110 mph 83–95 kn 154–177 km/h | 6–8 ft
1.8–2.4 m | 28.50–28.91 inHg
965–979 mbar | Some roofing material, door, and window damage. Considerable damage to vegetation, mobile homes, etc. Flooding damages piers and small craft in unprotected anchorages may break their moorings. |
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| 50–58 m/s
111–129 mph 96–113 kn 178–209 km/h | 9–12 ft
2.7–3.7 m | 27.91–28.47 inHg
945–964 mbar | Some structural damage to small residences and utility buildings, with a minor amount of curtainwall failures. Mobile homes are destroyed. Flooding near the coast destroys smaller structures with larger structures damaged by floating debris. Terrain may be flooded well inland. |
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| 59–69 m/s
130–156 mph 114–135 kn 210–249 km/h | 13–18 ft
4.0–5.5 m | 27.17–27.88 inHg
920–944 mbar | More extensive curtainwall failures with some complete roof structure failure on small residences. Major erosion of beach areas. Terrain may be flooded well inland. |
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| 70 m/s 157 mph 136 kn 250 km/h | 19 ft 5.5 m | <27.17 inHg
<920 mbar | Complete roof failure on many residences and industrial buildings. Some complete building failures with small utility buildings blown over or away. Flooding causes major damage to lower floors of all structures near the shoreline. Massive evacuation of residential areas may be required. |
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