Complex study of disturbances in the parameters of the atmosphere and ionosphere during the passage of a meteorological storm 

<p>A complex study of disturbances in the parameters of the atmosphere and ionosphere during the passage of a meteorological storm on April 1, 2016 in the European region (Russia, Kaliningrad, 54&#176; N, 20&#176; E) was carried out. Observation at the Kaliningrad was carried out using a two-wave Rayleigh lidar LSA-2S. To assess the disturbances in the ionosphere, we used the data of GPS observations at the mid-latitude station LAMA (Lamkovko, Poland, 53.9&#176; N, 20.7&#176; E). Analysis of the data suggests that TEC disturbances with periods of 10-17 minutes are the response of the ionosphere to an increase in the amplitudes of tropospheric disturbances with a period of 3-5 minutes The characteristic response time of the ionosphere to tropospheric disturbances is 30&#8211;40 minutes. As a result of numerical simulating using the AtmoSym model, it was shown that there is a noticeable increase in the period of temperature disturbances from 6&#8211;12 min to 10&#8211;17 min at altitudes from 150 km up to 230 km during the vertical propagation of acoustic waves and internal gravity waves from the troposphere. In this layer, nonlinear and dissipative processes lead to the formation of secondary wave sources in the thermosphere, with periods longer than those of primary ones. In this case, the unsteady nature of the primary wave source and the short duration of its operation doesn&#8217;t lead to significant heating of the thermosphere, i.e., the energy of the primary waves is spent mainly on the excitation of secondary waves.</p><p>This investigation was performed&#160;with the financial support of the Russian Science Foundation&#160;Grant No. 21-17-00208.</p>