circulation index

circulation index

[‚sər·kyə·′lā·shən ′in‚deks]
(meteorology)
A measure of the magnitude of one of several aspects of large-scale atmospheric circulation patterns; indices most frequently measured represent the strength of the zonal (east-west) or meridional (north-south) components of the wind, at the surface or at upper levels, usually averaged spatially and often averaged in time.
References in periodicals archive ?
2014) indeed possesses useful skill in predicting the circulation index at a range longer than 2 weeks in advance.
Percentile thresholds of the stratospheric mass circulation index and cold area percentage indices derived from NNRI during the 66 DJFs from 1948 to 2014.
The integral circulation index measures the degree of circulation of the elite, taking into account the entire distribution of frequencies.
2 Frequency distribution and some calculations for the integral circulation index t n [t.
The periodical circulation index decreased, after showing no change in September.
In 1997, the Index of American Public Library Circulation was 116, a 5% increase from the 1996 circulation index of 110.
Leonid Klyashtorin of the Russian Federal Institute of Fisheries and Oceanography, it uses the Atmospheric Circulation Index and the Earth Rotational Velocity Index as forecast indices.
The Loyalty report indicates how many times the average client returns to your Web site; -- The Circulation index demonstrates how often a site is visited.