"An abnormal amount of precipitation is predicted, in some places it can drop up to 23-28 millimeters, and this is half the monthly norm," RIA Novosti quotes the expert.
According to him, during the daytime the air temperature in the city will not exceed + 8 ... +10 ° C.
“And it will be the coldest day of the current May. Such temperature indicators fall by climate in the first decade of April, that is, by climate, Muscovites will be discarded 1.5 months ago, ”he explained.
Tishkovets noted that “such a force” Arctic invasions in Moscow on May 21 occurred over the past 72 years “on average no more than once every 18 years.”
“And such an intensity of precipitation occurs on this day only once in a quarter of a century,” said the weather forecaster.
As Tishkovets added, in the center of “polar cold, a high-altitude cyclone will form, which will collapse with torrential precipitation.”
“Given that already at an altitude of 883 meters (the level of clouds in the lower tier), the temperature will become negative (-0.6 ° C), and near the ground by morning it will drop to + 1 ... +6 ° C, then the next night and Thursday morning in some places the rains will begin to turn into charges of wet snow with a significant deterioration in visibility, ”he said.
Earlier, in the Hydrometeorological Center, speaking about the causes of prolonged cold weather in the central part of the country, it was noted that at present there is a “stable zonal process” when “cold air masses are coming” from the north-west.