Advances in Atmospheric Sciences

, Volume 7, Issue 2, pp 171–177 | Cite as

Association among geomagnetic activity, atmospheric electric field and selected meteorological parameters

  • Poonam Mehra


The association among the geomagnetic activity (A p index) and atmospheric electric field, meteorological parameters was investigated using a long series of continuous data set available for Colaba (18° 53'N, 72° 48'E, 11m ASL) for the period 1936–1966. The meteorological parameters used for the investigation are the surface pressure, temperature, wind velocity and relative humidity. The results of the above study indicate that the atmospheric electric field and the meteorological parameters are associated with the geomagnetic storms withA p 100. The atmospheric electric field shows an increasing trend after the geomagnetic storm. The surface pressure dips and surface temperatures increase after a geomagnetic storm. The wind velocity shows a decreasing trend and the relative humidity shows an increasing trend after the geomagnetic storm.


Solar Activity Wind Velocity Solar Flare Meteorological Parameter Geomagnetic Storm 
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© Advances in Atmospheric Sciences 1990

Authors and Affiliations

  • Poonam Mehra
    • 1
  1. 1.Indian Institute of Tropical MeteorologyPuneIndia

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