primary cyclone

primary cyclone

[′prī‚mer·ē ′sī‚klōn]
(meteorology)
Any cyclone (or low), especially a frontal cyclone, within whose circulation one or more secondary cyclones have developed. Also known as primary low.
References in periodicals archive ?
The cyclone leading to precipitation and flooding in the United Kingdom on 1 February 2002 is a secondary cyclone (labeled "2") forming on the trailing cold front of a preexisting primary cyclone (labeled "1").
A gravity circuit consisting of centrifugal concentrators will treat a portion of the primary cyclone underflow to recover coarse metallic gold.
A flash flotation cell will treat a 50% bleed from the primary cyclone underflow which, it is anticipated, will recover more than 40% of both the copper and gold to an intermediate concentrate.
These were the primary cyclone feed pumps and the filter feed pumps.

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