18.08.11. "Dancing Devil" and "cat's tail" — unusual natural phenomena have been reported in the Nizhny Novgorod region in the last two weeks.
At this time, there was abnormally hot weather. Temperature readings for August were up by a record 8 degrees. Then meteorologists and watched the desert mikrosmerchi unusual. Represent a danger such climate change?
Watering machines in urban areas in recent days ply more buses: three times a day instead of the usual two. The reason — the sudden heat of August.
Eugene Baikov, foreman, Senior Manager IP "Emergency dispatch service" Oka region: "a lot of dust. A day out of 200 cubic meters of water. "
Forecasters unexpected heat in the Nizhny Novgorod region, compared with the climate in the desert. Anticyclone brought high temperatures and very low humidity. As a result, the region appeared uninvited guests — mikrosmerchi.
Olga Mokeeva, deputy head of the Nizhny Novgorod meteorologist weather forecasts, "They are not associated with cumulus rain clouds. The sky can be cloudless sunny weather, and there are swirls of air, the height distribution of this air reaches up to 70 meters. "
In the south of the area were recorded winds — searing winds of greater than 70 meters per second. At risk — areas without grass and trees on construction sites, the slopes and in the city they are often located close to the houses. All that settles on the ground, sand whirlwinds lifted up dust, grit, harmful impurities lead to air pollution.
The maximum permissible concentration of harmful substances in the dust in the air in Nizhny Novgorod in the norm. True, with the exception of urban trails. Exhaust emissions from road residents suffer roadside buildings, and there are also kindergartens.
Phenol, formaldehyde, hydrogen sulfide — a minimum of the dangerous substances in urban air. In June of this year in the Soviet area were recorded in excess of 1.5 times the nitrogen dioxide, which clogs the lungs, changes the composition of the blood. True, the records of last summer, fortunately, did not break.
Nina Andriyanova, head of the center for monitoring environmental pollution Novgorod meteorologist: "At this time last year, the concentration of suspended particles from the fires has been exceeded. This year, the weather situation is favorable. "
However, the heat recedes, sand whirlwinds cool wind from the north. Temperature does not exceed the average of August — a maximum 24 degrees. However, until the end of the week of precipitation is still not expected to remain at risk of forest.
Source: STRC "New York"