Above St. Petersburg, local residents noticed a rare natural phenomenon that got on the video. The corresponding video was published in Telegram-channel “Komsomolskaya Pravda – Petersburg”.
The atmospheric phenomenon in the sky over the city resembles a tornado lying on its side. According to the publication, in fact, this is a huge black cloud, which is called a squall gate or thunder collar.
This type of cloud usually forms at the leading edge of atmospheric fronts, so it can be considered a harbinger of a thunderstorm. The gate is often accompanied by pressure drops, as well as thunderstorms showers.
Earlier, a dangerous weather phenomenon was discovered in Karelia. In the southwest of the region, atmospheric drought was recorded. According to the Ministry of Natural Resources and Ecology of the republic, this natural phenomenon occurs due to insufficient precipitation, high temperatures and low humidity.