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Descriptive wind speed calssifications

　

Descriptive Term	Beaufort Force	Wind Speed (Knot)	Wind Speed (km/h)		Descriptive Term	Beaufort Force	Wind Speed (Knot)	Wind Speed (km/h)
Calm	0	< 1	< 2		Gale	8	34	63
							35	65
							36	67
Light	1	1	2				37	68
		2	4				38	70
		3	6				39	72
	2	4	7				40	75
		5	9			9	41	76
		6	12				42	77
Moderate	3	7	13				43	79
		8	14				44	81
		9	16				45	83
		10	19				46	85
	4	11	20				47	87
		12	22		Storm	10	48	88
		13	23				49	90
		14	25				50	92
		15	27				51	94
		16	30				52	96
Fresh	5	17	31				53	99
		18	34				54	101
		19	36				55	103
		20	38			11	56	104
		21	40				57	106
Strong	6	22	41				58	108
		23	43				59	110
		24	45				60	112
		25	47				61	113
		26	49				62	115
		27	51				63	117
	7	28	52		Hurricane	12	64	118
		29	54				65	121
		30	56				66	122
		31	58				67	124
		32	59				68	126
		33	62				69	128
							70	130
							71	131
							72	133
							73	135

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