Definition that contains beaufort scale
- calm wind moving at less than 1 knot; 0 on the Beaufort scale
- storm a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning
- hurricane a severe tropical cyclone usually with heavy rains and winds moving at 63-136 knots (12 on the Beaufort scale)
- gale a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale
- moderate gale wind moving 32-38 knots; 7 on the Beaufort scale
- strong gale wind moving 47-54 knots; 9 on the Beaufort scale
- calm air wind moving at less than 1 knot; 0 on the Beaufort scale
- light air wind moving 1-3 knots; 1 on the Beaufort scale
- near gale wind moving 32-38 knots; 7 on the Beaufort scale
- violent storm a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightning