weather crossword

1. pellets of frozen rain which fall in showers from cumulonimbus clouds
3. a cloud at ground level, a visible aerosol of tiny water droplets or ice crystals suspended in the air
4. moisture condensed from the atmosphere that falls visibly in separate drops
6. the leading edge of a cooler, denser air mass that moves in and replaces a warmer air mass
10. the process of turning from liquid into vapor
12. a weather event with lightning and thunder, caused by rapidly rising warm, moist air forming tall clouds
14. a prolonged period of abnormally low rainfall, leading to a shortage of water
15. rain that freezes on impact with the ground or solid objects

2. the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground
5. a form of precipitation consisting of ice pellets, often mixed with rain or snow
7. an overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land
8. weather boundary between two air masses (warm and cold) where neither is strong enough to displace the other
9. warmer air mass moves in and replaces a cooler air mass
11. atmospheric water vapor frozen into ice crystals and falling in light white flakes or lying on the ground as a white layer
13. a storm with a violent wind, in particular a tropical cyclone in the Caribbean