What is a Radiosonde Balloon carries meteorological instruments aloft Temperature, moisture and wind measured at many levels Provides snapshot of these.

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Presentation transcript:

What is a Radiosonde Balloon carries meteorological instruments aloft Temperature, moisture and wind measured at many levels Provides snapshot of these variables in the vertical This information allows meteorologists to diagnose the atmosphere in the vertical

Why these measurements are important These observations allow us to diagnose the atmosphere similar to the snapshot that blood pressure measurements provide the doctor When coupled with surface weather reports and satellite data, we get a 3 dimensional view (horizontal, vertical and time) of atmosphere These measurements provide clues assisting the meteorologist in understanding and anticipating motion in the atmospheric

What a vertical plot looks like Temperature and Dewpoint (moisture) are plotted at appropriate pressure levels Temperature values are connected with RED line Dewpoint values are connected with GREEN line. The closer together the temperature and dew point, the more moist the air is. Where the lines are close, clouds are likely

Note relationship between temperature and altitude Temperature decreases with altitude in lower portion of atmosphere (Troposphere) Temperature increases with altitude in upper portion of atmosphere (Stratosphere)

Have fun with today’s balloon launch

Albany, NY sounding at 8:00pm last night

Maniwaki, PQ sounding at 8:00pm last night