Weather Instruments Weather Instruments Used to measure the
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Weather Instruments
Weather Instruments • Used to measure the 5 major parts of weather observation 1. Atmospheric pressure 2. Humidity 3. Precipitation 4. Wind 5. Temperature
Tools: Atmospheric Pressure • Barometer: • Measures air pressure Click here: Barometer •
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 •
Tools: Precipitation • Rain Gauge: 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 •
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
Tools: Wind • Anemometer – Wind Speed • • km per hour mi per hour Click here: Wind
Radar and Satellites • RADAR stands for Radio detection and ranging • Watch this video: RADAR • Click here: Satellites
Satellites • • Carry cameras Upper level Cloud speed, direct. Hurricane observation Infrared reading of cloud tops Not weather satellites, but still cool
Computers • Not as good as people but helpful! • Compiles information quickly • Create weather maps 100’s of times faster than people.
Resources • http: //education. nationalgeographic. co m/activity/measuring-weather-withtools/ • Weather Tools Card Deck http: //media. education. nationalgeograp hic. com/assets/file/0749_Worksheet_po rtrait_Illustrations. pdf • http: //www. nasa. gov/audience/forstude nts/5 -8/features/nasa-knows/what-is-a-
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