I. P. Mazin

Cloud Classification According to the Phase Structure. The Cloud Phase Index

5

E. G. Klimova

A Primitive-Equation Model for Calculation of Forecast Error Covariances in the Kalman Filter Algorithm

11

Yu. A. Pichugin

The Problem of Statistical Control of Observation Data on Surface Temperature at Distant Stations (Part 2)

22

E. S. Nesterov

Low-Frequency Atmospheric Circulation Variability and Caspian Sea Level in the Second Half of the 20th Century

27

N. N. Ivashchenko, A. A. Kutalo, and D. M. Sonechkin

The Caspian and Climate. 1. The Levy Process as a Model of Caspian Level Dynamics

37

K. T. Bogdanov and I. I. Gorin

The Causes and Mechanism of Formation of a Cold-Water Spot over the Kashevarov Bank

44

E. A. Agafonov, A. S. Kukushkin, and Yu. A. Prokhorenko

Summer Distribution of the Index of Light Extinction in the Coastal Waters Adjacent to Recreation and Reserve Zones of the Southeastern Crimea

48

B. I. Samolyubov, A. V. Shilnev, M. V. Sluev, V. V. Kremenetskii, and A. A. Moya

Density Current Caused by Rain Flood in a Plane Reservoir

58

B. M. Ginzburg, S. V. Borsch, N. D. Efremova, K. N. Polyakova, and M. I. Silnitskaya

Methods of Background Long-Term and Medium-Term Forecast of River Breakup Dates on the European Territory of Russia

67

N. A. Shumova

Study of Natural Water Supply of Agricultural Crops in Forest-Steppe and Steppe Zones

79
  INSTRUMENTS, OBSERVATIONS, AND PROCESSING

A. A. Akulinicheva, L. V. Berkovich, A. Yu. Solomakhov, Yu. L. Shmelkin, and Yu. I. Yusupov

Geo-Information System “Meteo” and its Use in Meteorological Services of Russia and SIC Countries

90
  REVIEWS AND CONSULTATIONS

A. M. Ovanesyants, T. A. Krasilnikova, and B. S. Letnikov

Environmental Pollution and Radiation Situation on the Russian Federation Territory in August 2001

99

T. B. Sokolova  

Weather on the Russian Federation Territory in August 2001

104

O. N. Belinskii, L. V. Kirienko, and M. G. Naishuller  

Anomalous Hydrometeorological Phenomena on the Russian Federation Territory in August 2001

107

G. M. Kruchenitskii, A. M. Zvyagintsev, N. S. Ivanova, and I. N. Kuznetsova

Ozone Content in the Russian Federation in the Third Quarter of 2001

113
 CHRONICLE A. F. Vangengeim (120th Birthday Anniversary)   118
V. V. Timonov (100th Birthday Anniversary)  119
The 70th Anniversary of Hydrometeorological Technical Colledge in Rostov-on-Don  121
The 70th Anniversary of Hydrometeorological Technical Colledge in Vladivostok   122
Anniversary of the Baikal Station   123
In Central Methodological Commission on Hydrometeorological and Heliogeophysical Forecasts  124
On the Memory of L. N. Gutman 128
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