Contents

Russian Meteorology and Hydrology

Vol. 51, No. 2, 2026

Classification of Sudden Stratospheric Warmings Using the Method of Extreme Rates of Temperature and Wind Changes

M. M. Efimov and N. M. Gavrilov p. 87  abstract

Global Estimates of Trends in Annual Mean Air Temperature in the Surface Layer and of Parameters of Yearly Course in Monthly Mean Air Temperature over 1981–2010

N. Yu. Dobrolyubov and S. M. Semenov p. 95  abstract

Verification of Daily Wind Speed Forecasts Using Models of the Atmospheric Circulation in the Baltic Sea

E. V. Zakharova, E. M. Ladokhina, S. K. Popov, V. V. Fomin, and N. A. Diansky p. 105  abstract

MeteoSAR Russian Satellite Radar for Monitoring Sea Ice along the Northern Sea Route

V. V. Asmus, A. V. Vorokov, V. I. Demchenko, V. A. Krovotyntsev, A. Yu. Larin, A. A. Maksimov, I. S. Trenina, A. L. Churkin, and A. L. Shlaferov p. 113  abstract

Features of Stratospheric Disturbances over Tomsk in the 2024/2025 Winter according to Lidar Observations

V. N. Marichev and D. A. Bochkovsky p. 125  abstract

Detection of Rapidly Developing Convection Using Rapid Scan Data from the FY-2F Satellite

Jia Liu and Qian Zhang p. 131  abstract

Features of Mesoscale Cloud Clusters in the South of European Russia on August 4–5, 2016 according to Data of Lightning Registration and Radar Observations

V. N. Stasenko and V. A. Shapovalov p. 140  abstract

Electrochemical Electrification of Clouds

I. Yu. Prokhorov p. 149  abstract

Development of a Method for Forecasting Radio Wave Refraction in the Troposphere

V. Yu. Zhukov, A. D. Kuznetsov, V. S. Nikitina, and G. G. Shchukin p. 158  abstract

COMMUNICATIONS

Analysis of the Variability of Silicon, Strontium, and Boron Content in the Kura River (on the Territory of the Republic of Azerbaijan)

M. A. Abduev p. 163  abstract

Peculiarities of the Ion-salt Surface Water Composition of Small Rivers in the Uvat District in the Impact Area of Hydrocarbon Deposits

N. F. Chistyakova p. 170  abstract

REVIEWS AND CONSULTATIONS

Ozone Content over the Russian Federation in 2025

N. S. Ivanova, I. N. Kuznetsova, and E. A. Lezina p. 178  abstract