It's the extreme weather season in Asia again. Deadly cyclones, blinding rains, ensuing floods and mudslides are becoming the norm from Nepal to Fiji. During this same time, the world's finance ministers are preparing for their IMF-World Bank meetings in Tokyo. While their discussions are unlikely to touch on the storms and floods that are sweeping across Asia with increased regularity and ferocity, the extreme weather patterns should be on their minds, and in their budgets.