Wind Speeds: 

The Beaufort Scale and the Saffir Simpson Hurricane Categories


number name speed (mi/hr)
0 calm 0
1 light air 1-3
2 light breeze 4-7
3 gentle breeze 8-12
4 moderate breeze 13-18
5 fresh breeze 19-24
6 strong breeze 25-31
7 moderate gale 32-38
8 fresh gale 39-46
9 strong gale 47-54
10 whole gale 55-63
11 storm 64-74
12 hurricane >74
1 category one 74-95
2 category two 96-110
3 category three 111-130
4 category four 131-155
5 category five > 155