1. 龙卷风   flood   volcanic erruption   tornado   whirlpool   Hint Half-n-half Clue   2. 台风   earthquake   typhoon   drought   blizzard   Half-n-half Clue   3. 火山的erruption   volcanic erruption   flood   whirlwind   drought   Half-n-half Clue   4. 旋风   hailstorm   cyclone   whirlpool   volcanic erruption   Half-n-half Clue   5. 饥荒   famine   hurricane   tornado   tempest   Half-n-half Clue   6. 暴风雪   famine   storm   snowstorm   volcanic erruption   Half-n-half Clue   7. 飞雪   storm   blizzard   whirlwind   flood   Half-n-half Clue