It looks like the background was changed into sepia on a layer where the lighting was brightened and the foreground was left untouched with very bad fill flash lighting... it is very strange indeed.
I don't think the lighting is that great nor the partial sephia. The person in the photo looks more like an accident of somoene walking in front of the camera rather than a portrait.
It looks like you shot this using a cloudy, shade or even tungsten white balance setting. The color cast is very bad unfortunately. The warmth of the color cast doesn't correlate with the coldness of the winter scene. Try using a daylight or sunny white balance to get it close or shoot in RAW to adjust the white balance in processing. Then you can remove the color cast and push the temp either way. I suggest a much cooler temp for this scene. Also, if you can adjust the exposure compensation on your camera as well as the ability to shoot in something other than auto such as aperture priority mode try setting the it to +1 EV for winter scenes to expose the snow properly. A little trial and error depending on a clear or overcast day. Good luck.
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