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Interpreting Data

What does the lightning chart show?

The lightning chart shows cloud-to-ground lightning strikes that have occurred in the last three hours. Those strikes marked white have occurred most recently, grading to the blue strikes, which have occurred the furthest in the past.

Therefore, the direction of movement of storms can be ascertained by tracking lightning from the blue strikes through the red strikes to the white strikes.

The lightning tracker is more accurate across southern and eastern Australia as this is where the majority of its detection sensors are located. The tracker will not detect cloud-to-cloud or intracloud lightning strikes.

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Perth weather warning remains in place as heavy rain, destructive winds hammer WA's south-west

ABC image 06:59 AEST Authorities say two homes in Western Australia's south-west have lost their roofs, and thousands more are without power, following heavy rain and destructive winds that could result in Perth's wettest July in more than 60 years.

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