I. I. Mokhov and A. V. Timazhev

Atmospheric Blocking and Ensemble Climate Model Estimates of Changes in Its Frequency in the 21st Century

5

R. Yu. Ignatov, M. Yu. Zaichenko, M. A. Tolstykh, K. G. Rubinshtein,
and M. M. Kurbatova

Comparison of Regional Model Forecasts under Different Initial and Boundary Conditions

17

E. V. Gorbarenko

Sunshine Variability in Moscow in 1955–2017

24

A. A. Sin’kevich, Yu. P. Mikhailovskii, S. Yu. Matrosov, V. B. Popov,
V. S. Snegurov, A. V. Snegurov, Yu. A. Dovgalyuk, and N. E. Veremei

Relationships between the Structure of Convective Clouds and Lightning Frequency Derived from Radiophysical Measurements

37

P. N. Golovin, N. N. Antipov, and A. V. Klepikov

Mechanisms of Deep and Bottom Water Ventilation over the Antarctic Continental Slope

52

K. A. Rogachev and N. V. Shlyk

Characteristics of the Kamchatka Current Eddies

70

A. Kh. Kagermazov, L. T. Sozaeva, and M. V. Zharashuev

Forecast of Flood-forming Precipitation in the North Caucasus Using the Global Atmosphere Model

80

N. N. Bezuglova, K. Yu. Sukovatov, and A. V. Puzanov

Analysis of Dependence of Regional Climate Changes on the Meridional Index for the Territory of Vostochny Cosmodrome

87

G. V. Pryakhina, S. A. Zhuravlev, V. A. Solov’ev, and E. S. Zelepukina

Estimation of Runoff Trends for the West Sayan Rivers

98

G. V. Shevchenko and V. S. Tambovskii

Characteristics of Ice Formations on the Northeastern Shelf of Sakhalin Island from Helicopter Assault Data

103

L. A. Dinevich

Comments to the Paper by B. A. Kamalov “Theoretical and Practical Problems of Weather Modification in the CIS Countries”

111

E. S. Dmitrevskaya, T. A. Krasil’nikova, and O. A. Markova

Environmental Pollution and Radiation Situation on the Russian Federation Territory in March 2019

116

N. V. Satina

Weather on the Russian Federation Territory in March 2019

123

T. V. Berezhnaya, A. D. Golubev, and L. N. Parshina

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in March 2019

129

N. S. Ivanova, G. M. Kruchenitskii, I. N. Kuznetsova, V. A. Lapchenko,
and V. V. Shirotov

Ozone Content over the Russian Federation in the First Quarter of 2019

136

M. Ch. Zalikhanov (to the 80th Birthday)

142

Fifty Years since the Moment of Organization of Central High-altitude Hydrometeorological Observatory

143