Zheng Mingdian, head of the Bureau of Meteorology, stated on Facebook that the original wave number 2 in the North Pole has gradually changed to wave number 3. When the wave number 3 occurs, "the cold air has a relatively high probability of flowing out towards Taiwan." (picture taken from Zheng Zheng Mingdian Facebook)

[Instant News/Comprehensive Report] According to the forecast of the Central Meteorological Bureau, the strongest cold air in winter will report next week, and the low temperature in northern Taiwan will drop by about 14-15 degrees next Wednesday, which may become the first wave of cold air in winter. When the weather map of the Arctic region was published on Facebook, he said that the original wave number 2 gradually changed to wave number 3. When the wave number 3 occurs, "the cold air has a relatively high probability of flowing out towards Taiwan."

Zheng Mingdian, director of the Central Meteorological Bureau, said on Facebook last week that the polar vortex over the North Pole split into two sub-centers, which is a bipolar vortex weather pattern. Wave number 2 has a high probability of stimulating the growth of wave number 3. By then "Taiwan is more likely to have colder weather!" Today (8th) Zheng Mingdian reminded again: "Originally the obvious wave number 2 structure, slowly the wave number 3 feature also appeared!"

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Zheng Mingdian pointed out that with a structure of wave number 3, cold air has a relatively high probability of flowing out towards Taiwan, so it is easier to experience low-temperature weather conditions. However, he also emphasized that currently "the extremely cold air is still in higher latitudes, so Taiwan's expected low temperature is not too extreme."