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2010

2009

News section
Windsurfer decided not to use the Twitter service anymore because it was too unreliable to deliver speed for page requests.
2009-08-15 16:36:44

Bft	Description	m/s	knots	km/h	mi/h
0	Calm	<0.2	< 1	< 1	< 1
1	Light Air	0.3 - 1.5	1 - 3	1 - 5	1 - 3
2	Light Breeze	1.6 - 3.3	4 - 6	6 - 11	4 - 7
3	Gentle Breeze	3.4 - 5.4	7 - 10	12 - 19	8 - 12
4	Moderate Breeze	5.5 - 7.9	11 - 16	20 - 28	13 - 18
5	Fresh Breeze	8.0 - 10.7	17 - 21	29 - 38	19 - 24
6	Strong Breeze	10.8 - 13.8	22 - 27	39 - 49	25 - 31
7	Moderate Gale	13.9 - 17.1	28 - 33	50 - 61	32 - 38
8	Fresh Gale	17.2 - 20.7	34 - 40	62 - 74	39 - 46
9	Strong Gale	20.8 - 24.4	41 - 47	75 - 88	47 - 54
10	Whole Gale/Storm	24.5 - 28.4	48 - 55	89 - 102	55 - 63
11	Violent Storm	28.5 - 32.6	56 - 63	102 - 117	64 - 74
12	Hurricane Force	>32.6	>63	>117	>74

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