Beaufort Wind Scale - NOAA/NWS Storm Prediction Center
网页Gale. Moderately high (18-25 ft) waves of greater length, edges of crests begin to break into spindrift, foam blown in streaks. Twigs breaking off trees, generally impedes progress. 9. 41-47. Strong Gale. High waves (23-32 ft), sea begins to roll, dense streaks of foam, spray may reduce visibility.
Beaufort scale - Wikipedia
网页Beaufort scale. A ship in a force 12 (" hurricane -force") storm at sea, the highest rated on the Beaufort scale. The Beaufort scale / ˈboʊfərt / is an empirical measure that relates wind speed to observed conditions at sea or on land. Its …
Gale - Wikipedia
网页A gale is a strong wind; the word is typically used as a descriptor in nautical contexts. The U.S. National Weather Service defines a gale as sustained surface wind moving at a speed between 34 and 47 knots (63.0 and 87.0 km/h; 17.5 and 24.2 m/s; 39.1 and 54.1 mph). [1]
Strong gale Definition & Meaning - Merriam-Webster
网页2012年9月9日 · The meaning of STRONG GALE is wind having a speed of 47 to 54 miles (75 to 87 kilometers) per hour.
Beaufort Scale - National Geographic Society
网页2023年10月19日 · The Beaufort scale, officially known as the Beaufort wind force scale, is a descriptive table. It depicts the force of wind by a series of numbers, typically from 0 to 12. The Beaufort scale goes all the way to 17, but the …
Beaufort Wind Scale - National Weather Service
网页Beaufort Wind Scale. One of the first scales to estimate wind speeds and the effects was created by Britain's Admiral Sir Francis Beaufort (1774-1857). He developed the scale in 1805 to help sailors estimate the winds via visual observations. The scale starts with 0 and goes to a force of 12.
What Are Gale Force Winds And How Are They Formed?
网页2024年5月22日 · A gale force wind or gale is a strong, persistent wind ranging from 50 km/h or 31 mph to 102 km/h or 63 mph and is typically associated with but not limited to coastal regions. According to the Beaufort Scale, gale force winds can be broken down into four subcategories.