1. こうひょう   cyclone   typhoon   hailstorm   flood   Hint Half-n-half Clue   2. たいふう   earthquake   cyclone   typhoon   deluge   Half-n-half Clue   3. ふんか   whirlpool   volcanic erruption   blizzard   flood   Half-n-half Clue   4. ぐふう   whirlwind   hurricane   earthquake   snowstorm   Half-n-half Clue   5. ふぶき   snowstorm   hurricane   storm   earthquake   Half-n-half Clue   6. ぼうふう   snowstorm   storm   earthquake   hailstorm   Half-n-half Clue   7. こうずい   flood   drought   volcanic erruption   snowstorm   Half-n-half Clue