| BEAUFORT SCALE |
| | | SPEED | |
| DEGREE | DENOMINATION | (knots) | CHARACTERS |
| 0 | calm | 1 | The
smoke rises vertically; the sea is one mirror. |
| 1 | puff
of wind | 1 - 3 | The
wind turns aside the smoke; ripples of the water. |
| 2 | light
breeze | 4 - 6 | The
leaves move; small but obvious waves. |
| 3 | breeze
| 7 - 10 | Constantly
churned leaves and twigs; small waves,crests that begin to break. |
| 4 | lively
breeze | 11 - 16 | The
wind raises powder, leaves sand banks, the coppers is churned; small waves that
become longer. |
| 5 | stiff
breeze | 17 - 21 | The
shrubs with leaves oscillate; small are formed waves in inner waters; lengthened
moderate waves. |
| 6 | fresh
wind | 22 - 27 | Great
churned, hissing sound between coppers the telegraphic wires; billow with white
foam crests are formed, and sprays. |
| 7 | moderate
gale | 28 - 33 | Entire
churned trees, difficulty to walk against wind; the sea is large, the foam begins
to being frayed in wakes. |
| 8 | moderate
squall | 34 - 40 | Broken
coppers, to walk against wind are impossible; lengthened billow of medium height
and more, from the crests they detach whirlwinds of sprays. |
| 9 | strong
squall | 41 - 47 | Removed
fireplaces and tiles; large big waves, thick wakes of foam and sprays, raised
from the wind, reduce the visibility. |
| 10 | tempest
| 48 - 55 | Rare
in mainland, trees uprooted, serious damages to the rooms; enormous big waves
with long crests to spandrel. |
| 11 | storm
| 56 - 63 | Rare,
most serious devastations; enormous and high waves, that they can hide ships of
medium tonnage; reduced visibility. |
| 12 | hurricane
| more than 64 | Destruction
of buildings, manufactured, etc; in sea the foam and the sprays reduce the visibility
much. |
| | |
| | | | |
