Shortly after World War I, British meteorologist Lewis Richardson reckoned that since the atmosphere follows the laws of physics, he could use mathematics to predict the weather.
लेकिन, इसकी तुलना में अगले घंटे, दिन या सप्ताह का मौसम कैसा होगा इसका अनुमान लगाना इतना आसान नहीं है ।