Vol. 50, No. 12, 2025

Russian Meteorology and Hydrology

Assimilation of Oceanographic and Satellite Data by the NEMO Ocean Circulation Model Using the Ensemble Kalman Filter

V. N. Stepanov, Yu. D. Resnyanskii, B. S. Strukov, and A. A. Zelen’ko p. 1007 abstract

Evaluation of Correlation Functions and Multi-model Forecasting of Geopotential Height and Temperature in the Troposphere and Lower Stratosphere

V. A. Gordin and M. A. Smirnov p. 1016 abstract

On the Problem of Ice Ridge Classification

V. V. Kharitonov p. 1029 abstract

Steepness of Surface Wind Waves in the Black Sea

A. S. Knyazkov and A. S. Zapevalov p. 1034 abstract

Using Profiling Float Drift Data to Estimate Current Parameters in the Black Sea

A. M. Bulygin p. 1042 abstract

Conditions for the Initiation and Development of Intense Thunderstorms over the Sea of Japan in July 2022

M. S. Permyakov, T. I. Kleshcheva, E. Yu. Potalova, V. V. Krokhin, and S. S. Kapach p. 1049 abstract

Long-term Trends in the Frequency and Intensity of Hurricane Winds over the Territory of Georgia in 1961–2022

E. Sh. Elizbarashvili, O. Sh. Varazanashvili, A. G. Amiranashvili, and M. G. Pipia p. 1061 abstract

Ecosystem Fluxes and Soil CO₂ Emission in a Middle-taiga Spruce Forest under Precipitation Deficit during a Growing Season

S. V. Zagirova, A. F. Osipov, M. A. Kuznetsov, and M. N. Miglovets p. 1068 abstract

Assessment of the Cumulative Effect of Climatic Factors on the Linear Increment of Trees in Different Types of Model Pine Forests

A. E. Koukhta, O. V. Maksimova, and S. A. Gromov p. 1078 abstract

Specific Features of the Groundwater Regime in the Central Forest Nature Reserve under Modern Climatic Conditions

L. M. Kitaev, E. A. Shuiskaya, and A. S. Zheltukhin p. 1088 abstract

Ozone Content over the Russian Federation in the Third Quarter of 2025

N. S. Ivanova, I. N. Kuznetsova, and E. A. Lezina p. 1097 abstract