weather science

3. a loud rumbling or crashing noise heard after a lightning flash due to the expansion of rapidly heated air.
4. global air circulation patterns within the atmophere powered by convection currents.
7. the amount of water vapor in the atmosphere in a certain location.
8. a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
10. an arch of colors formed in the sky in certain circumstances, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere.
12. an air mass with a lower pressure than surrounding air masses.
15. a map that shows the weather.
17. a system producing severe thunderstorms and featuring rotating winds sustained by a prolonged updraft that may result in hail or tornadoes.
18. the boundary of an advancing mass of warm air at the leading edge of the warm sector of a low-pressure system.
19. snow, sleet, or hail that falls to the ground.

1. the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder.
2. an air mass with a higher pressure than surrounding air masses.
5. a large body of air extending over a large are that shares characteristics such as humidity and pressure.
6. the weather conditions prevailing in an area in general or over a long period of time.
9. tool that measures air pressure.
11. the boundary of an advancing mass of cold air at the trailing edge of the warm sector of a low-pressure system.
13. density of the air in a certain location.
14. an upward current of air.
16. the day to day change in atmospheric conditions.