The weather in continental united states is most affected by

The weather in continental United States is most affected by Subtropical jet stream and polar jet stream.

Explanation:

The jet streams are like the rivers with the flow of air. It directly affects the climate condition and atmospheric temperature in the continental United States.

The equatorial air is warmer than that of polar jet winds by the same phenomenon. The polar jet forms the boundary layer for the cold and equatorial warm air region.

In winter the polar jet becomes stronger as the north pole stars decreasing the temperature.

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