Perigean spring tides in the atmosphere are discussed. In 2016–2017, the smoothed anomalies of air temperature over European Russia were found to repeat the evolution of the distance of the perigee (i.e., the distance between the Moon and the Earth at times when the former is at the perigee), which varies as a sine function with a period of about 206 days. The origin of the 206-day lunar cycle is described. Atmospheric spring tides are studied. They are exhibited as atmospheric pressure oscillations similar to perigean spring oscillations of the sea level. The basic dependence of perigean spring tides in the form of beats of atmospheric pressure anomalies at new and full moons is found. The pressure anomalies at full and new moons can be approximated by sinusoids with beat envelope periods of about 412 days and with opposite phases. The range of oscillations at antinodes reaches 40 mb, which is comparable, in order of magnitude, with actual mesoscale fluctuations of atmospheric pressure. The violations in seasonal weather variation caused by the 206-day lunar cycle are described.

中文翻译：

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大气中近海春潮的生动表现

讨论了大气中的近地大潮。2016-2017年，俄罗斯欧洲上空的平滑气温异常被发现重复近地点距离（即月球和地球在近地点时的距离）的演变，其变化作为周期约为 206 天的正弦函数。描述了 206 天月球周期的起源。研究了大气大潮。它们表现为大气压力振荡，类似于海平面的近地弹簧振荡。发现了新月和满月大气压力异常节拍形式的近地大潮的基本依赖性。满月和新月时的压力异常可以用正弦曲线近似，其节拍包络周期约为 412 天，相位相反。波腹处的振荡范围达到 40 mb，在数量级上与大气压力的实际中尺度波动相当。描述了由 206 天的月球周期引起的季节性天气变化的违规行为。