Across
- 4. a prolonged period without rain
- 5. a storm associated with lighting and thunder ouccuring with cumulonimbus
- 7. shaking of the ground that is generted by disurbtances in the earths crust
- 8. a fire burning out of control in the open
- 11. a surface where a cool air mass meets a warmer mass
Down
- 1. used to measure the energy of earthquakes
- 2. the edge of a fire that spreads fastest
- 3. part of a river valley covered by water during floods
- 5. cyclone a severe weather event that occurs where warm,moist rising air begins to spiral upwards
- 6. aerially burning fuel that blows ahead of a fire front
- 9. a prolonged period of very hot weather
- 10. water that overflows from rivers,lakes and the ocean onto land that is not normally covered by water