Predicting the Weather P. 62

Pages 62-63

Many Different Technologies to detect and help forecast weather

• Weather Satellites• Radar (Doppler, NEXRAD)• Balloons• Computer Programs

• Weather Agencies (Environment Canada, The Weather Network)

Satellite Imagery

• Mostly detects and tracks cloud cover• Detects light/heat/infrared radiation

Radar Imagery• Mostly detects and measures precipitation/storms• Detects by using microwaves

http://csep10.phys.utk.edu/astr161/lect/earth/weather_anim.html(animation)

Weather Balloons• Carry various instruments to measure weather

factors

Weather Stations

• Often at airports• Instruments to collect temperature,

precipitation, wind speed, humidity,etc.

Interpreting Weather Maps (Weather Station Symbols)

From the NE

20 knots

Completely Overcast

See Overhead for more on Weather Station Symbols