calm wind


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calm wind

The term means that wind speed is 5 knots or less. Generally, controllers use the term wind calm.
References in periodicals archive ?
D) Calm winds and rain prevented the fires from spreading out of control.
Scientists are still trying to figure out what signals the event--theories point to calm winds, monsoon cycles, spring and fall equinoxes, and a precise dose of sunlight.
Hurricanes, which can take between hours and several days to build up from a depression, are made up of an eye of calm winds and low pressure inside a spinning vortex of high winds and heavy rainstorms.
But the yacht, the Arnold Clark Drum, had to retire from this year's race because of calm winds 25 miles from the Fastnet rock, the turning point in the 608-mile race.
But their yacht, the Arnold Clark Drum, retired yesterday because of calm winds 25 miles from the Fastnet rock, the turning point in the 608-mile race.
BRITISH yachtswoman Ellen MacArthur's substantial lead in a transatlantic race was last night under threat because of calm winds.
The herd walked within 30 yards of my blind, but the calm winds and probing eyes of the trailing bucks prevented me from getting my bow drawn.
The father of four said he was now delighted with his progress after a frustrating start due to calm winds.
The best conditions to find these fish are on warmer days with calm winds.
BF-1 performed a 40 foot hover in calm winds and two vertical landings (VL) for the 150th VL to date on Aug.
This geography makes it a large tub like structure protected from both sides -- which favours calm winds.
Calm winds helped firefighters put out the fires or keep them under control, and no serious injuries were reported.