| A | B |
|---|
| thunderstorm | weather with strond winds, rain, lightning & thunder |
| lightning | electric discharge between + and - charged areas |
| thunder | sound of rapidly expanding ionized air |
| tornado | high speed, spinning column of air |
| hurricane | large,rapidly rotating tropical weather system |
| eye wall | group of cumulonimbus clouds that sourround hurricane |
| eye | calm, storm-free center of hurricane |
| thermometer | instrument to measure temperature |
| barometer | instrument to measure air pressure |
| anemometer | instrument to measure wind speed |
| psychrometer | instrument that measures relative humidity |
