calm

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calm

Meteorol of force 0 on the Beaufort scale; without wind

Calm

 

a condition of little or no wind. On the Beaufort scale, wind velocity during a calm is 0–0.2 m/sec. Calms are usually observed within stable anticyclones, in cols, and in the intertropical convergence zone. Calms occur more often in valleys and basins than in open areas with free circulation of air. There is little turbulence during a calm, and therefore harmful atmospheric aerosols (smoke and gas) may accumulate in the lowest atmospheric layer.

calm

[käm]
(meteorology)
The absence of apparent motion of the air; in the Beaufort wind scale, smoke is observed to rise vertically, or the surface of the sea is smooth and mirrorlike; in U.S. weather observing practice, the wind has a speed under 1 mile per hour or 1 knot (1.6 kilometers per hour).

calm

The absence of wind or an apparent lack of motion of the air. It is depicted on synoptic charts as image.
References in periodicals archive ?
Your canine companion will breathe in the soothing scent and a wave of calmness will instantly take over, according to the company.
But from time to time the architects burst into fits of constructional gymnastics that are extremely vigorous though not altogether in keeping with the calmness of the space flooded in light.
I value his business advice and the professional calmness he brings to a frenzied entrepreneurial environment.
His commanding officer, Lt Col Neil Wilson, said: "He brought calmness to difficult situations, reassuring people by his presence and showing cheerfulness in adversity - a true Commando trait.
We showed experience and calmness to recover after the goal," Brazilian captain Cafu said.
It gives a feeling of well-being and calmness for up to 36 hours, so it only has to be taken once a day.
Problem avoided, and Williams was not part of a potentially distracting situation, with Carroll's calmness and affable nature ruling the day.
The overall impression is of light and clean calmness.
But he's been full of praise when it comes to Ms Smith, applauding her calmness and dignity.
But let's now hope that we have six months calmness and sensibility - and we get to read something fair.
Nothing has yet been decided, although Eriksson is at least certain about the make-up of his defence, with Rio Ferdinand and Sol Campbell having looked calmness personified in the 2-0 victory against the Welsh.