1. 旋涡   whirlpool   snowstorm   blizzard   whirlwind   Hint Half-n-half Clue   2. 火山的erruption   drought   tempest   volcanic erruption   earthquake   Half-n-half Clue   3. 旋风   whirlwind   hailstorm   storm   tornado   Half-n-half Clue   4. 飞雪   famine   typhoon   snowstorm   blizzard   Half-n-half Clue   5. 暴风雪   whirlpool   famine   snowstorm   deluge   Half-n-half Clue   6. 雹暴   hailstorm   whirlpool   typhoon   deluge   Half-n-half Clue   7. 旋风   typhoon   deluge   cyclone   snowstorm   Half-n-half Clue