Hypothesis1

Spring and autumn were transitional periods, a process of change between periods of great season change. Because air masses that greatly affect the Korean Peninsula change during the transition period, especially in the case of late spring or early autumn, the temperature difference between Seonbong and Seogwipo regions will be huge due to the movement of the Siberian air mass. Especially in autumn, as winter approaches, We thought the temperature would fall from Seonbong, which is relatively north due to the expansion of the Siberian air mass. Therefore, the temperature difference between the two regions would be huge as the temperature drops faster than Seogwipo where the Siberian air mass does not affect.

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  Hypothesis2
Most of the typhoons that blow to the Korean Peninsula go up through the South,

so the typhoon is expected to weaken as it passes through the land. Therefore, typhoon damage in the Seonbong area will be relatively small compared to Seogwipo, which is close to the North Pacific Ocean.

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  Hypothesis3
If North Pacific anticyclone expands, the rainy front with heavy precipitation is expected to rise north of the Korean Peninsula than the average front.
Thus, the impact of the front on the Seonbong could be expanded, and the damage from the precipitation would be increased.