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Wind speed on the Beaufort scale is based on the empirical relationship: [6] v = 0.836 B 3/2 m/s; v = 1.625 B 3/2 knots (=) where v is the equivalent wind speed at 10 metres above the sea surface and B is Beaufort scale number.
Beaufort scale – Relates wind speed to observable conditions at sea and on land; Enhanced Fujita scale – For tornado intensity with damage correlated to wind speeds. The system was also intended for applicability in hurricanes, and is utilized by engineers in hurricane damage assessment.
The most common way of describing wind force is with the Beaufort scale [3] which defines a gale as wind from 50 kilometres per hour (14 m/s) to 102 kilometres per hour (28 m/s). It is an empirical measure for describing wind speed based mainly on observed sea conditions.
In the Beaufort County area, wind speeds are expected to reach between 30 and 40 mph Thursday night with possible gusts up to 60 mph, according to the latest forecasts from the National Weather ...
Spindrift is derived from the Scots language, but its further etymology is uncertain. [4] Although the Oxford English Dictionary suggests it is a variant of spoondrift based on the way that word was pronounced in southwest Scotland, [5] from spoon or spoom ("to sail briskly with the wind astern, with or without sails hoisted") and drift ("a mass of matter driven or forced onward together in a ...
The sustained wind speed was 51 mph. 1:58 a.m. Friday : South Carolina Highway Patrol reported a tree down on US-21. 7:22 a.m. Friday : Bluffton Township Fire District reported numerous roads ...
Philippine Tropical Cyclone Wind Signals [1] [9] [12] [13] Wind Signal No. Wind speed Warning lead time (from first issuance) Potential wind impacts Corresponding tropical cyclone category TCWS #1 Strong winds: Beaufort Force 6–7 39–61 km/h 22–33 kn 10.8–17.1 m/s 25–38 mph: 36 hours Minimal to minor threat to life and property
A wind speed of 15 mph and temperature of 15 degrees can make it feel like zero degrees, for instance. Wind chill values near minus 19 degrees mean frostbite is possible within 30 minutes.
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