Pressure tendency: Difference between revisions

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(''Also called'' barometric tendency.) The character and amount of [[atmospheric pressure|atmospheric  pressure]] change during a specified period of time, often a three-hour period preceding an [[observation]].<br/>Pressure  tendency is composed of two parts, the pressure change and the pressure characteristic.  The pressure change is the net difference between pressure readings at the beginning and ending  of a specified interval of time. The pressure characteristic is an indication of how the pressure has  been changing during that specified period of time, for example, decreasing then increasing, or  increasing and then increasing more rapidly. <br/>''See'' [[tendency]].
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== pressure tendency ==
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<div class="definition"><div class="short_definition">(''Also called'' barometric tendency.) The character and amount of [[atmospheric pressure|atmospheric  pressure]] change during a specified period of time, often a three-hour period preceding an [[observation]].</div><br/><div class="paragraph">Pressure  tendency is composed of two parts, the pressure change and the pressure characteristic.  The pressure change is the net difference between pressure readings at the beginning and ending  of a specified interval of time. The pressure characteristic is an indication of how the pressure has  been changing during that specified period of time, for example, decreasing then increasing, or  increasing and then increasing more rapidly. <br/>''See'' [[tendency]].</div><br/> </div>
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Latest revision as of 04:40, 29 March 2024

(Also called barometric tendency.) The character and amount of atmospheric pressure change during a specified period of time, often a three-hour period preceding an observation.
Pressure tendency is composed of two parts, the pressure change and the pressure characteristic. The pressure change is the net difference between pressure readings at the beginning and ending of a specified interval of time. The pressure characteristic is an indication of how the pressure has been changing during that specified period of time, for example, decreasing then increasing, or increasing and then increasing more rapidly.
See tendency.

Any function of time f(t) is periodic with period t if f(t) = f(t + τ) for all times t, where τ is the smallest number for which this equality holds.

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