Weather measuring instrument

 1:   Anamometer  Use:* Measures *wind speed*.  

*Structure:* Typically has 3 or 4 cups that spin with the wind.  

*Unit:* Kilometers per hour (km/h) or meters per second (m/s)

2:  Wind Vane (Weather Vane)*  

*Use:* Shows *wind direction*.  

*Structure:* An arrow or rooster on a rotating shaft.  

*Points:* North, South, East, West (N, S, E, W)

3:  Sunshine Recorder*  

*Use:* Measures *duration of sunshine* in a day.  

*Type:* Campbell-Stokes sunshine recorder — focuses sunlight to burn a path on a paper strip.  

*Unit:* Hours per day.

4:  Weather Satellites*  

*Use:* Used by meteorological agencies to monitor *cloud movement*, *storms*, *rainfall*, and *temperature* from space.  

*Note:* Managed by agencies like NIMET (Nigeria Meteorological Agency).

*5:  Weather Balloon (Radiosonde)*  

*Use:* Measures *upper atmosphere conditions* like temperature, humidity, and wind at high altitudes.  

*How:* A balloon carries instruments into the sky and sends data back via radio signals.

These instruments work together to give accurate weather forecasts. Farmers, pilots, sailors, and citizens all depend on these tools to plan and stay safe during changing weather conditions.

Let me know if you’d like an image or diagram for these.

 Here’s a *detailed note on weather measuring instruments*, commonly used in Nigeria and globally:

*6: Thermometer*  

*Use:* Measures *temperature* (how hot or cold the air is).  

*Types:*

- *Mercury thermometer* – traditional, uses mercury expansion.

- *Digital thermometer* – modern, shows fast and accurate readings.

*Unit:* Degrees Celsius (°C) or Fahrenheit (°F).  

*Placement:* In a shaded, ventilated area (not in direct sunlight)

7: Rain Gauge*  

*Use:* Measures *amount of rainfall* over a period.  

*Structure:* A funnel directs rain into a graduated cylinder or container.  

*Unit:* Millimeters (mm).  

*Types:*

- *Standard rain gauge*

- *Tipping bucket rain gauge* (used in automated weather stations)

*8:  Barometer*  

*Use:* Measures *atmospheric pressure*, which helps predict changes in the weather.  

*Types:*

- *Mercury barometer*

- *Aneroid barometer* (no liquid)

*Unit:* Millibars (mb) or hectopascals (hPa).  

*Note:* Low pressure often means rain; high pressure means fair weather.

*9. Hygrometer*  

*Use:* Measures *humidity* (the amount of moisture in the air).  

*Types:*

- *Hair hygrometer* – uses human/animal hair that changes with moisture.

- *Digital hygrometer*

*Unit:* Percentage (% Relative Humidity)

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