convergence line

convergence line

[kən′vər·jəns ‚līn]
(meteorology)
Any horizontal line along which horizontal convergence of the airflow is occurring. Also known as asymptote of convergence.
References in periodicals archive ?
ITCZ is a convergence line between northwesterly wind and easterly moist wind that cause rising currents of air leading to formations of convective rainy clouds.
On 16 August 2004 high humidity in the troposphere, combined with a stationary convergence line, led to the development of deep convective clouds that produced intense rain over a period of about 4 h, with up to 183 mm of precipitation recorded over a 5-h period, resulting in flash flooding in the village of Boscastle in southwest England (Golding et al.
Windy conditions were prevalent along the so-called convergence line, being felt most at night when the temperature differential between the trough and the ridge (high pressure extension) is at its highest.
NASDAQ: DISH, DISHP) and its DISH Network(TM) to jointly develop an integrated digital satellite receiver for Gateway's convergence line of PCs.
During the week, a very prominent convergence line developed, both on the surface, and up to about 25,000 feet.
Gateway (NYSE: GTW), a global leader in the direct marketing of PCs, today announced that it is now shipping PCs with the new Microsoft(R) Windows(R) 98 operating system on select systems across its desktop, portable and convergence line of PCs.
This trough follows the convergence line more or less from Ruacana to Aroab.
Were one to look up, the thin layer of cloud showed that the upper air flow was from north-west to south-east, following the convergence line which is typical for Namibia, and very typical for the season.
This is called the convergence line and it loosely defines the interface where the South Atlantic high pressure cell meets the reciprocal lower pressure airflow from the north-east.
When the low pressure from the north meets the opposing high pressure from the south, it creates a visible convergence line with fresh winds blowing from the north-west.
This separation line is known as a convergence line.
It did move somewhat further south than expected on Thursday with the triangle Windhoek Gobabis Mariental, forming the core of the intense trough that formed just north of the convergence line.

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