| Tropical Cyclone Classifications | ||||||||
|---|---|---|---|---|---|---|---|---|
| Beaufort scale |
1-minute sustained winds (NHC/CPHC/JTWC) |
Current SSHWS | AC's Proposed Better SSHWS | |||||
| 0–7 | <32 knots (37 mph; 59 km/h) | Tropical Depression | Tropical Depression | |||||
| 7 | 33 knots (38 mph; 61 km/h) | |||||||
| 8 | 34–37 knots (39–43 mph; 63–69 km/h) | Tropical Storm | Tropical Storm | |||||
| 9 | 38–47 knots (44–54 mph; 70–87 km/h) | |||||||
| 10 | 48–54 knots (55–62 mph; 89–100 km/h) | Severe Tropical Storm | ||||||
| 11 | 55–63 knots (63–72 mph; 102–117 km/h) | |||||||
| 12+ | 64–71 knots (74–82 mph; 119–131 km/h) | Category 1 Hurricane |
Category 1 Hurricane | |||||
| 72–82 knots (83–94 mph; 133–152 km/h) | ||||||||
| 83–95 knots (96–109 mph; 154–176 km/h) | Category 2 Hurricane |
Category 2 Hurricane | ||||||
| 96–97 knots (110–112 mph; 178–180 km/h) | Category 3 Major Hurricane |
Category 3 Major Hurricane | ||||||
| 98–112 knots (113–129 mph; 181–207 km/h) | ||||||||
| 113–122 knots (130–140 mph; 209–226 km/h) | Category 4 Major Hurricane |
Category 4 Major Hurricane | ||||||
| 123–129 knots (142–148 mph; 228–239 km/h) | ||||||||
| 130–136 knots (150–157 mph; 241–252 km/h) | Category 5 Major Hurricane | |||||||
| >136 knots (157 mph; 252 km/h) | Category 5 Major Hurricane | |||||||
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