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Western Australia South Infrared Satellite/Lightning

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JMA MT-SAT

Western Australia Satellite Notes

Cloud over northern WA near a weak low pressure trough is causing patchy light rain. Low cloud over the south of the in brisk southerly winds is causing a few light showers near the coast. Skies are clearer about central parts under a ridge of high pressure.

Lightning Data Upgrade - NEW

Lightning Events

lightning Lightning strikes are displayed as crosses (ground events) or squares (cloud events) and fade from white (current) to red (30 minutes ago) to blue (60 minutes ago).

In December 2014 we upgraded our lightning network to the latest in sensor technology as used by the world's leading meteorological agencies. This has resulted in changes and improvements to the lightning data you will now see. The main changes are:

  • Much better detection of cloud to cloud strikes. Our upgraded network detects more CC strikes and better reflects research that shows typical storm cells produce approximately 75% cloud strikes and 25% ground strikes.
  • We have modified the display to show cloud to cloud strikes in smaller boxes and ground strikes above as "+" symbols. Temporal colouring remains the same.
  • Greater network coverage right across the country.

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 image 01:24 EST Parts of Sydney and the Blue Mountains were blanketed by large hailstones after a severe thunderstorm moved across the area this afternoon, causing five warehouses to collapse.

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