Beaufort’s scale, used in preparation of all Weather Bureau wind
forecasts and storm warnings.
FORCE DESIGNATION MILES PER HOUR
0 Calm From 0 to 3
1 Light Air Over 3 to 8
2 Light breeze (or wind) „ 8 „ 13
3 Gentle breeze (or wind) „ 13 „ 18
4 Moderate breeze (or wind) „ 18 „ 23
5 Fresh breeze (or wind) „ 23 „ 28
6 Strong breeze (or wind) „ 28 „ 34
7 Moderate gale „ 34 „ 40
8 Fresh gale „ 40 „ 48
9 Strong gale „ 48 „ 56
10 Whole gale „ 56 „ 65
11 Storm „ 65 „ 75
12 Hurricane „ 75
The following method of transmitting weather signals by means of flags
was used for a number of years, but the newspapers now convey the same
news to the interested public: