To add to what other people wrote, we don’t have 100% accurate closed form solutions for forecast. Meaning even if we had perfect information of everything on Earth we can’t just plug it in an equation and get a forecast for a given time.
We must simulate interactions. Computers cannot simulate with infinite precision so we must divide time and space into intervals. Such divisions introduce errors that compound the longer we run a simulation.
From my experience, weather forecasters can get pretty close, winds shift and whatnot, but also to keep everyone happy.
For example, if they say it’s going to rain today and it doesnt, no one really gets mad. Though, if they say it will be sunny all day long and it happens to rain, people get pissed saying they didnt know, or the weathermen lied! Etc..
Also, I dont know shit about fuck
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