1. How Is Weather Predicted?

2. Meteorologists use weather instruments to help predict weather.

3. Meteorologist
A scientist who studies and measures weather conditions such as air temperature, air pressure, and wind speed.
Meteorologist
Barbie Bassett
WLBT

4. How do you know if it is going to be cold or hot outside?
You look at a thermometer or listen to a weather report.
Thermometer: A tool to measure the temperature of the air.

5. Barometer
A barometer is used to measure air pressure.

6. How does a barometer work?
Air presses down on the instrument, causing a needle to move. The needle points to a number that tells how much the air is pressing down.

7. Anemometer
A tool to measure wind speed.

8. Wind Vane or Windsock
Tool used to find wind direction.

9. Rain Gauge
An instrument for measuring rainfall or snowfall.

10. Hygrometer
An instrument that measures moisture in the air.

11. Meteorologists collect weather data to predict the weather.

12. Temperature
A measure of how cold or hot it is.

13. Precipitation
Rain, snow, sleet, hail and dew formed by condensation in the Earth’s atmosphere.

14. Sky Conditions
Sky conditions are based on cloud cover and precipitation.

15. Words used to describe cloud coverage:
Clear
Scattered / partly cloudy
Mostly cloudy
Overcast

16. Air Mass Fronts form where air masses meet.
A cold front forms when cold air meets warmer air.
A warm front forms when a warm air mass catches up to a cold air mass.