Is there a program I could run/ build a map through that would apply, as close to accurate, biomes/ pressure/ seasonal changes? I'm looking for a program paid or free to run my DnD map through so I can see where I'd get which biome, areas for hurricanes/ tornadoes, and the seasonal changes &amp; general temperatures of each.  


It's a bit of a long shot but maybe some mad bastard has created something like it in the past? :)