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What Instruments Are on a Weather Balloon?

Weather balloons are used to gather atmospheric data to be used in forecasts and current weather reports. Weather balloons are simple, usually consisting of a hydrogen filled balloon with an attached radiosonde. The radiosonde is the only measuring device on the balloon, and is used to measure several different conditions.

  1. Pressure

    • Measuring pressure can help meteorologists determine what types of weather systems are approaching, and whether or not it is likely that there will be storms in the near future.

    Geographical Position

    • Measuring geographical position helps meteorologists determine wind speeds, because they can determine how quickly the balloon is moving from one position to another.

    Temperature

    • Measuring temperature can help meteorologists forecast weather, and determine what types of precipitation may be in the near future.

    Relative Humidity

    • Measuring relative humidity allows meteorologists to determine whether foggy conditions are imminent, and also whether precipitation is likely to occur.

    Altitude

    • Measuring altitude can help a meteorologist determine what types of weather will be occurring. Knowing weather conditions at different altitudes can help meteorologists identify various weather patterns and aid in forecasting.

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