The trend of typhoon will be influenced by subtropical high, westerly ridge, typhoon internal force (β effect), high-rise system, double typhoons and other factors, of which subtropical high is the most decisive. Previously, "Bawei" and "Mesak" were both guided by the subtropical high, which brought strong storms to the northeast, and now "Poseidon" has the same experience.
Extended data
The superposition of wind and rain in the early and late stages will aggravate the disaster.
Because the influence of Poseidon wind and rain is highly superimposed with the previous period, meteorologists believe that this will further aggravate the disaster.
Specifically, the risk of waterlogging and crop lodging in farmland in central and eastern Heilongjiang and central and eastern Jilin is high, especially in farmland with waterlogging and crop lodging in the early stage, so it is necessary to strengthen management to prevent adverse effects on crops such as corn, rice and soybeans, protected agriculture and economic fruits.
For the public, it is necessary to guard against floods in small and medium-sized rivers and waterlogging in urban and rural areas, and strengthen the prevention of secondary disasters such as mountain torrents, landslides and mudslides.
In addition, "Poseidon" is currently in a super typhoon level, and the intensity of wind and rain at sea is large. In the eastern waters of China, it is necessary to guard against the adverse effects of strong winds on ship navigation, offshore platforms, fisheries and coastal aquaculture.
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