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July 12, 2017 06:20 PM

Explanation Of StormTracker App Symbols

KELOLAND's StormTracker app is a great tool to use during severe weather, such as the severe storms eastern KELOLAND saw Tuesday night.

As the system struck, so did some questions from viewers wanting to know more about how the app works.  

During outbreaks of strong to severe weather, symbols pop up over the storm images on the app. During last night’s severe weather coverage, we here in the Storm Center got a few questions asking about these symbols and what they mean. 

The symbols are computer generated and they are meant to help you get an idea of what is going on inside the storm.

The green circle means that a thunderstorm is a strong thunderstorm, but perhaps not strong enough to be considered severe.

The blue diamond indicates a storm with radar-indicated large hail.  The yellow square indicates a storm with radar-indicated strong winds.

The red triangle means that the storm has spin or rotation at the cloud level.

Keep in mind that the red triangle does not mean there is a tornado or that the rotation reaches the ground.  It only means the rotation is at cloud level.

Thanks to those folks who asked and as always, should you have any questions about the StormTracker app or anything weather related, feel free to shoot us an email at

You can download the StormTracker app where you get your smartphone and tablet apps.

Also if you see weather in your area, take a picture or video and share it us at or submit it through the StormTracker app.

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