A warm front would represent the boundary that is between two cold and warm masses of air and they are less dense than cold air when placed at constant atmospheric pressure.
This refers to the region in the atmosphere where a cold air mass takes over from warmer air.
This cold weather front is usually found in the NorthWestern areas to the SouthEastern areas so, if you look at your school textbook, you should be able to get the states that would be affected.
Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
Read more about cold fronts here:
https://brainly.com/question/11409080
