the Beaufort scale
US /ˈboʊfərt skeɪl/
UK /ˈboʊfərt skeɪl/

1.
skala Beaufort
a scale for indicating wind force, ranging from 0 (calm) to 12 (hurricane)
:
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Sailors often refer to the Beaufort scale to assess wind conditions.
Pelayar sering merujuk kepada skala Beaufort untuk menilai keadaan angin.
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A force 8 on the Beaufort scale indicates a fresh gale.
Kekuatan 8 pada skala Beaufort menunjukkan ribut kencang.