A cold front does count as weather, if you're looking for more info on cold fronts and warm fronts visit the site below.
http://www.weatherquestions.com/What_are_fronts.htm
Answer:
Ww, Ww, ww, ww, or two white-winged butterflies and two yellow-winged butterflies
Explanation:
Using the Punnett square, we can determine the possibility of white-winged and yellow-winged offsprings.
