The reason for rainy summer in Moscow was a frequent alternation of periods of warm and cold weather, reported TASS the scientific Director of the hydrometeorological center of Russia Roman Vilfand.
"When, after very warm weather, the cold air mass moves into the territory where the warm air was, then there is a cold front. That’s when the air mass on the wedge of this cold front partition makes a forced convection [vertical heat and moisture transfer in the atmosphere]. This summer there is no stationarity heat, then lowering the temperature, then re-heat. A lot of heat waves in the European territory of the country," he said.
In addition, according to Vilfand, summer is rainy, by definition, as it is the end of may there is a natural convection.
"the Sun heats the land surface, and there is another kind of movement, convection, transport of air masses vertically. Most people have the impression that the most rainy months of autumn and spring. However, this is a deeply mistaken impression the "wet" the month is July", – said the meteorologist.
On 2 July, the press service of the Moscow state University. Lomonosov said that the new record precipitation recorded in the meteorological station of Moscow state University in June: last month in the Russian capital became the most rainy for the last 200 years.
