WebBeaufort Wind Scale (Estimated wind speeds) Beaufort number Wind speed Mean wind speed kt km/h Mph (kt / km/h / mph) Description Land conditions 0 0 Calm. Smoke rises vertically.0 0 0 / 0 / 0 Calm 1 1-3 Wind motion vis1-6 1-3 2 / 4 / 2 Light air ible in smoke. 2 4-6 7-11 4-7 5 / 9 / 6 Light breeze Wind felt on exposed skin. WebA very strong typhoon has wind speeds between 85–104 kn (44–54 m/s; 98–120 mph; 157–193 km/h), while a violent typhoon has wind speeds of 105 kn (54 m/s; 121 mph; 194 km/h) or greater. [6]
Beaufort scale - Wikipedia
WebMay 19, 2024 · This scale – officially known as the Saffir-Simpson Hurricane Wind Scale – is a rating based on maximum sustained wind speed, which ranges from 74 to 157 mph, or higher. The scale was... WebWind speed on the 1946 Beaufort scale is based on the empirical relationship: v = 0.836 B3/2 m/s Where v is the equivalent wind speed at 10 metres above the sea surface and B is Beaufort scale number. For example, B = 9.5 is related to 24.5 m/s which is equal to the lower limit of "10 Beaufort". Using this formula the highest winds in ... caffeine on adhd
Wind speed units & wind directions - Windfinder
WebThe EF Scale was revised from the original Fujita Scale to reflect better examinations of ... WebThe traditional Fujita scale listed F5 tornadoes as those with winds that have speeds in the range of 261–318 mph. The new EF-scale lists all tornadoes with winds above 200 miles per hour as EF5 tornadoes. A … WebWind speeds between 40 to 72 mph (64 to 116 km/h) Light damage Broken branches; shallow rooted trees pushed over; some chimney damage. F1 Tornado Wind speeds between 73 to 112 mph (117 to 180 km/h) … caffeine on an empty stomach nausea