| A | B |
|---|
| anemometer | measures wind speed |
| aneroid barometer | may be marked with labels such as "rain", "windy", and"fair" |
| hygrograph | produces a continuous record of humidity |
| rain gauge | measures precipitation |
| thermometer | measures temperature |
| squall lines | long lines of thunderstorms ahead of a moving cold front |
| tornadoes | rapidly rotating winds that blow around a small area of intense low pressure |
| hurricane | storm with winds of at least 75 miles per hour |
| permafrost | perpetually frozen ground below the surface |
| cold front | type of front that moves the fastest |
