gathering weather data swbat recognize the importance of accurate weather data; describe the...

Gathering Weather DataGathering Weather Data

SWBAT recognize the importance of accurate SWBAT recognize the importance of accurate weather data; describe the technology used weather data; describe the technology used

to collect weather data; analyze the strengths to collect weather data; analyze the strengths and weaknesses of weather observation and weaknesses of weather observation

systemssystems

Surface DataSurface Data

What 4 atmospheric variables do What 4 atmospheric variables do meteorologists measure to predict weather?meteorologists measure to predict weather?– TemperatureTemperature– Air pressureAir pressure– WindWind– Relative HumidityRelative Humidity

Surface DataSurface Data Thermometer Thermometer

– Used to measure temperatureUsed to measure temperature Barometer Barometer

– Measure air pressure Measure air pressure Anemometer Anemometer

– Measure wind speed Measure wind speed Hygrometer Hygrometer

– Measure relative humidityMeasure relative humidity Ceilometers Ceilometers

– Measure height of clouds and estimates cloud coverMeasure height of clouds and estimates cloud cover

Upper-Level Data Upper-Level Data

RadiosondeRadiosonde– Sensors that measure temperature, air Sensors that measure temperature, air

pressure, and humidity in the upper levels.pressure, and humidity in the upper levels.– Sent up on a balloon to record data.Sent up on a balloon to record data.

Weather RadarWeather Radar

Doppler EffectDoppler Effect– A change in the wave frequency that occurs in A change in the wave frequency that occurs in

energy, such as sound and light, as it moves energy, such as sound and light, as it moves toward or away from an observer.toward or away from an observer.

With a partnerWith a partner

Based on what you have read, determine Based on what you have read, determine the strengths and weaknesses of weather the strengths and weaknesses of weather observation systems. Discuss it with a observation systems. Discuss it with a partner and record your ideas.partner and record your ideas.

With a partnerWith a partner

Answer questions 1-5 on page 316.Answer questions 1-5 on page 316. Be sure to answer in all questions in Be sure to answer in all questions in

complete sentences.complete sentences. If you don’t finish in class, complete for If you don’t finish in class, complete for

homework.homework.