Is radar real time weather forecasting?

Well, yes and no. With a radar real time weather information shows up on the screen, such as a NOAA weather radar display or this Canadian example.

But it is not forecast information. It is a way of taking a weather observation. Very recent weather, which we can use to make very short-term forecasts and emergency broadcasts.

Computer weather stations

With the correct software,

we can get an animated radar weather technicians and forecasters use to provide the live weather radar component of a weather report.

Here, we examine some of the science and technology behind the kind of radar US weather professionals and Canadian forecasters work with. Since radar is an evolving technology, relevant information can become obsolete.

To keep the information about radar real time weather publishers update their knowledge periodically. You can get a hold of articles about general weather topics here.

Clever Acronyms

Instead of saying

RAdio Detection And Ranging every time, we shorten it to RADAR. A powerful forcast tool.

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The Radar is our weather eyes?

We know we see most objects by observing the light they reflect. In the same way a radar receiver observes objects.

For instance, air traffic equipment radar sees aircraft, while weather radar views storms in reflected microwave pulses long wavelength light energy it sends.

This is how direction finding became the first principle of radar real time weather. As a bonus, it can detect the amount of time for the echo to return and use the radar range equation to calculate the distance to the target.

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What does it see?

Targets include fixed objects, vehicles, storms and sharp changes in meteorological conditions (resulting in anomalous propagation ). These weather radar real time images provide information often not obtained any other way. They show how fast precipitation is falling and where.

To relate precipitation rates to radar power reflected, try this page, and go here to read how Doppler radar equipment works.

You can see a sample radar from Calgary, Alberta.

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