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Understanding the Weather
Where do the background maps come from in your charts and how is the data turned into graphics?
The background maps used in our charts show topography of the underlying land mass. These graphics allow you to see how mountain ranges or coastlines may be affecting weather systems. For example, often showers will be restricted to one side of a mountain range only.
Related Articles
- What is the Southern Oscillation Index?
- What is the Nino3.4 Index?
- What time do the maximum and minimum temperatures refer to?
- Who gives you the information used in your weather charts?
- What does wind chill mean?
- What is relative humidity?
- What is feels like temperature?
- How is the UV index measured?
- How are sunrise and sunset times measured?
- How do I set my barometer?
- How is rain measured? How is snow measured? How do you calculate the water equivalent of snow?
- What are common sources of errors in measuring precipitation?
- What is the dew point?
- Why is wind not always included in the forecast?
- When you talk of a north or northerly wind, do you mean that the wind blows from the north or towards the north? Is this the geographic north of the magnetic north?
- How is a weather forecast made?
- What is the difference between a tropical cyclone, a hurricane and a typhoon?
- Do you have an explanation of the terminology you use in weather forecasts?
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