TCAT - Tropical Cyclone Activity Tracking

m/s 米/秒	Beaufort (B) 蒲福风级	CMA Scale 中央台等级
10.8 – 17.1	6 - 7	Tropical Depression (TD) 热带低压
17.2 – 24.4	8 - 9	Tropical Storm (TS) 热带风暴
24.5 – 32.6	10 - 11	Severe Tropial Storm (STS) 强热带风暴
32.7 – 41.4	12 - 13	Typhoon (TY) 台风
41.5 – 50.9	14 - 15	Severe Typhoon (STY) 强台风
>= 51.0	>= 16	Super Typhoon (Su.TY) 超强台风

B/CMA	kt	mph	km/h	m/s	SS**
1	1-3	1-3	1-5	0.3-1.5
2	4-6	4-7	6-11	1.6-3.3
3	7-10	8-12	12-19	3.4-5.4
4	11-16	13-17	20-28	5.5-7.9
5	17-21	18-24	29-38	8-10.7
6 TD	22-27	25-30	39-49	10.8-13.8	TD*
7 TD	28-33	31-38	50-61	13.9-17.1	TD*
8 TS	34-40	39-46	62-74	17.2-20.7	TS*
9 TS	41–47	47–55	75–88	20.8–24.4	TS*
10 STS	48–55	56–63	89–102	24.5–28.4	TS*
11 STS	56–63	64–73	103–117	28.5–32.6	TS*
12 TY	64-71	74-83	118-133	32.7-36.9	1
13* TY	72-80	84-93	134-149	37-41.4	2
14* STY	81-89	94-103	150-166	41.5-46.1	3
15* STY	90-99	104-114	167-183	46.2-50.9	3
16* SuTY	100-108	115-125	184-201	51-56	4
17* SuTY	109-119	126-137	202-220	56.1-61.2	4
>17* SuTY	>119	>137	>220	>61.2	5

* extended scale

** Saffir-Simpson scale