Abstract
Variations in the temperature of the upper atmosphere caused by hurricanes are considered in this work on the basis of UARS satellite measurements. Analysis of the temperature variations shows that the temperature increases by 24–25 K in the mesopause over high-power tropospheric formations. Atmospheric gravity waves are considered a possible means of transferring disturbances from the Earth’s lower to the upper atmosphere. The maximal amplitude of atmospheric gravity waves was detected at altitudes of about 90 km during numerical simulation of propagation of the waves in a nonisothermal windless atmosphere with an accounting for the viscosity and thermal conductivity. A key factor of their attenuation and propagation is the altitudinal temperature gradient.
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