A. V. Frolov, V. V. Asmus, S. V. Borshch, R. M. Vil’fand, I. I. Zhabina,

V. V. Zatyagalova,V. A. Krovotyntsev, O. I. Kudryavtseva, E. A. Leont’eva,

Yu. A. Simonov, and Yu. A. Stepanov

GIS-Amur System of Flood Monitoring, Forecasting, and Early Warning

5

A. R. Ivanova

Stratosphere–Troposphere Exchange and Its Specific Features at Extratropical Latitudes

22

A. Kh. Adzhiev, V. N. Stasenko, A. V. Shapovalov, and V. A. Shapovalov

Atmospheric Electric Field Strength and Thunderstorms in the North Caucasus

46

N. A. Kalinin, A. L. Vetrov, E. V. Pishchal’nikova, E. M. Sviyazov, and A. N. Shikhov

Estimating the Accuracy of Very Heavy Snowfall Forecast in the Urals by the WRF Model

55

A. P. Nagurnyi and A. P. Makshtas

Methane Concentration in Atmospheric Boundary Layer from the Measurements at North Pole-36 and North Pole-39 Drifting Ice Stations  

63

A. I. Obzhirov, N. L. Pestrikova, G. I. Mishukova, V. F. Mishukov, and A. K. Okulov

Distribution of Methane Content and Methane Fluxes in the Okhotsk and Japan Seas and in the Pacific Ocean near the Kuril Islands  

71

E. N. Popova, S. M. Semenov, and I. O. Popov

Assessment of Possible Expansion of Climatic Range of Italian Locust (Calliptamus italicus L.)in Russia in the 21st Century under Climate Change

82

COMMUNICATIONS

V. S. Selyutin

Soil Moisture Content in Bryansk Oblast under Climate Change

89

INSTRUMENTS, OBSERVATIONS, AND PROCESSING

O. A. Aldukhov and I. V. Chernykh

Principles of Quality Control of Atmospheric Radio Sounding Datasets

103

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

Environmental Pollution and Radiation Situation on the Russian Federation Territory in December 2015

102

E. M. Astapenkova and L. N. Parshina

Weather on the Russian Federation Territory in December 2015  

109

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

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in December 2015

115

85 Years to Main Aviation Meteorological Center

122

In Memory of M. A. Rykachev

124

V. D. Panov (to the 80th Birthday)

125

Yu. P. Perevedentsev (to the 75th Birthday)

126

V. V. Vol’vach (1942—2016)

128