Figure 4From: Reaction of electric and meteorological states of the near-ground atmosphere during a geomagnetic storm on 5 April 2010Behavior of meteorological parameters during the magnetic storm. The curves show the (a) Ap index of geomagnetic activity, (b) air temperature in the near-ground layer, (c) air humidity, (d) Sun energy flux density, (e) atmospheric pressure, and (f) wind strength.Back to article page