@Fra78-0 In fact you would like a map like that: [image: 1565207476912-c5b8b5da-99a8-46f5-8066-bd3019813104.jpeg] I can give you the web link to get it :) As an expert, you will understand that Windy cannot display cold or hot fronts: https://community.windy.com/topic/5629/addition-of-fronts BTW could you explain what is isoallocores?