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In the United States of America, winds of force 6 or 7 result in the issuance of a small craft advisory, with force 8 or 9 winds bringing about a gale warning, force 10 or 11 a storm warning ("a tropical storm warning" being issued instead of the latter two if the winds relate to a tropical cyclone), and force 12 a hurricane-force wind warning ...
The most common way of describing wind force is with the Beaufort scale [3] that 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.
A gale warning is an alert issued by national weather forecasting agencies around the world in an event that maritime locations currently or imminently experiencing winds of gale force on the Beaufort scale. [1]
Conversely, winds just above this intensity (39–57 miles per hour) are called "gale-force", and have a separate associated warning. Occasionally an informal lesser advisory, known as "small craft exercise caution", is issued for wind speeds lighter than those that call for a small craft advisory.
The geostrophic wind component is the result of the balance between Coriolis force ... a storm, or a hurricane. Within the Beaufort scale, gale-force ... Its speed is ...
Gale force winds were forecast to blow in Thursday night. If that holds, expect the water to be churned up quite a bit heading into the weekend. That could keep the small crafts off the bays ...
Wind speed Warning lead time (from first issuance) Potential wind impacts ... Gale-force winds: Beaufort Force 8–9 62–88 km/h 34–47 kn 17.2–24.4 m/s
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