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 ?
He said: 'We have not pre-determined to take out any traffic calming.
Merseyside Regional Ambulance Service did not initially object to speed calming measures in October 2002.
Whether redness is caused by rosacea, allergies, or sensitive skin, AntiRedness Calming Serum can help make the flushing disappear.
Hearing my own voice, Echo through my mind, A favourite poem or song, It is then that I know I am in my calming places, Where my mind can find rest.
Flintshire's acting environment director David Faulkner said 2omph speed restrictions can often only be imposed with the help of traffic calming.
Sucking: ``Sucking has its effects deep within the nervous system,'' notes Karp, ``and triggers the calming reflex and releases natural chemicals within the brain.
It followed the announcement of a proposal to add further calming measures to the south of Adair Way.
Existing traffic calming measures, including humps, identified by police, fire and ambulance services as posing difficulties, will have to be reviewed and removed if they are found to be causing problems.
Ian Hayton, executive director of Cleveland Fire Brigade, said: "There's no doubt that traffic calming slows our attendance time down.
Ditropan XL (oxybutynin chloride), approved in December 1998, delivers one of the most commonly prescribed drugs for calming the bladder via a new one-a-day tablet.
Jesus' calming of a storm--in Matthew 8:23-27, Mark 4:35-41, and Luke 8:22-25--is one of my favorite gospel passages.