Answer:
Polar jet stream and the prevailing westerlies wind belt
Explanation:
Meterologists are those who study the weather conditions of an area. They studied or had a forecast about a midlatitude cyclone to move from Iowa into Illinois and then to Indiana.
This direction of movement is most likely as a result of Polar jet stream and the prevailing westerlies wind belt which helps to blow and move the wind to various parts of the earth.
