1. Weather Instruments

2. Used to measure the 5 major parts of weather observation
Weather Instruments
Used to measure the 5 major parts of weather observation
1. Atmospheric pressure
2. Humidity
3. Precipitation
4. Wind
5. Temperature

3. Tools: Atmospheric Pressure
Barometer:
Measures air pressure
Click here:
Barometer 3

4. Tools: Humidity (Sling) Psychrometer:
How to: the difference between the wet bulb and the dry bulb is used to determine relative humidity.
Click here:
Humidity

5. Tools: Precipitation Rain Gauge: Tipping Bucket:
Simple funnel with marks
associated with units: cm or in.
Tipping Bucket:
Counts the number of times
the bucket fills and tips to
determine rain fall or
snow fall amounts.
Tipping Bucket 5

6. Tools: Temperature º C or º F
Liquid: Usually uses alcohol.
Some used mercury. Liquid
contracts and expands in the glass tube.
Click here:
Temperature

7. Tools: Wind Anemometer – Wind Speed km per hour mi per hour
Click here:
Wind

8. Radar and Satellites RADAR stands for Radio detection and ranging
Watch this video:
RADAR
Click here: Satellites

9. Not weather satellites, but still cool
Carry cameras
Upper level Cloud speed, direct.
Hurricane observation
Infrared reading of cloud tops
Not weather satellites, but still cool

10. Computers Not as good as people but helpful!
Compiles information quickly
Create weather maps 100’s of times faster than people.

11. Resources
Weather Tools Card Deck - hic.com/assets/file/0749_Worksheet_po rtrait_Illustrations.pdf
nts/5-8/features/nasa-knows/what-is-a- satellite-58.html
er-forecasting.htm
m/encyclopedia/weather/