Wilorton Holding MK-C-10-BM SERIES, Operation Manual, Page: 47 / 416

3.7
SAFETY
01-GB-A3-194LF
3
- Beaufort scale -
Beaufort Description m/s Km/h
number of the wind (Mp/h)
0
Calm from 0 to 0,2 1 (0) Calm, smoke rises straight up
1
Light air from 0,3 to 1,5 from 1 to 5 Wind direction indicated by the movement
(from 1 to 3) of smoke only, not by the weathervane
2 Light breeze from 1,6 to 3,3 from 6 to 11 Wind can be felt on the face, leaves rustle,
(from 4 to 7) weathervane moves
3 Gentle breeze from 3,4 to 5,4 from 12 to 19 Leaves and small branches move,
(from 8 to 12) pennants unfold
4
Moderate breeze from 5,5 to 7,9 from 20 to 28 Wind lifts dust and loose paper,
(from 13 to 18) moves branches and thin poles
5 Fresh breeze from 8,0 to 10,7 from 29 to 38 Small broadleaves begin to wave,
(from 19 to 25) slight foam appears on lakes
6 Strong breeze from 10,8 to 13,8 from 39 to 49 Poles move greatly, whistling along
(from 25 to 31) telephone lines, use of umbrellas is
difficult
7 Near gale from 13,9 to 17,1 from 50 to 61 All the trees move, it is very difficult to
(from 32 to 38) move against the wind
8
Gale from 17,2 to 20,7 from 62 to 74 Tree branches are broken, walking in
(from 39 to 46) the open air is particularly difficult
9
Strong gale from 20,8 to 24,4 from 75 to 88 Slight damage to houses (chimney pots
(from 47 to 55) and roof tiles are blown off)
10 Storm from 24,5 to 28,4 from 89 to 102 Trees are uprooted, considerable
(from 56 to 64) damage to houses
Wind force Wind speed Effect of the wind on land
HAZARD !
47
MK-C-10-BM-317.1/1-EM