Category Archives: Lightning

Lightning and storms

Giant Hailstones hit Sydney 18th February 2017

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Giant Hailstones hit Sydney 18th December 2017

Giant Hailstones hit Sydney 18th February 2017

Giant Hailstones hit Sydney 18th December 2017

Giant Hailstones hit Sydney 18th December 2017

A ferocious storm known as a supercell hit northwest and northern Sydney with hailstones up to 8cm smashed vehicles and skylights. The storm developed explosively near Bilpin and split with the eastern storm rapidly intensifying and moving east across the northern part of the city.




Large hailstones 4cm in diameter were first report from Londonderry and also Penrith and Richmond reported larger hailstones. The storm intensified and reports came in from Rouse Hill and Box Hill of significant hailstones to the size of 5cm in diameter as the storm rapidly moved east. Hailstones of 7cm was also reported at Glenhaven. the storm persisted and moved towards the Northern suburbs smashing homes and vehicles with more giant hailstones being reported. Serious lightning strikes also disrupted power across the region. This was the most violent hailstorm to hit the Sydney region since December 2007 when part of the region were hit by similar sized hailstones in Blacktown.

A change had entered the region which normally can deter storms from forming due to the cooler air at the surface. But temperatures across western Sydney and ample moisture persisted throughout the afternoon as the sun was allowed to continue baking the region. As the change moved inland, surface convergence along the change near Bilpin was able to break the solid lid on convection and an isolated storm developed. To rapidly exploded as it tapped the energy from warm moist air across the Sydney basin. Being relatively isolated allowed it to intensify to produce giant hailstones supported of course by upper cooling. 

More storms developed across the Illawarra and also the Central Coast with destructive warnings persisting until most of the storms exited the region.
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See : 128km Radar Loop for Sydney (Terrey Hills), 22:00 17/02/2017 to 22:00 18/02/2017 UTC


http://www.theweatherchaser.com/radar-loop/IDR714-sydney-terrey-hills/2017-02-17-22/2017-02-18-22

See : 64km Radar Loop for Sydney (Terrey Hills), 03:00 18/02/2017 to 22:00 18/02/2017 UTC

See : 128km Radar Loop for Wollongong, 22:00 17/02/2017 to 22:00 18/02/2017 UTC

Bilpin Storm and Lightning 24th December 2016

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Bilpin Storm and Lightning 24th December 2016

More of the pictures from Bilpin of the Bilpin storm mid-afternoon! Time-lapse later. Targetting was difficult today as it depended on interaction by many cells both north and south of Sydney and in the Putty. I went to my local haunt at Windsor and saw this as a cumulus tapping the boundary layer. It was meant to be a repositioning to near Richmond but I ended going up to Bilpin.




Northern Tablelands Storm Chase 23rd December 2016

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Northern Tablelands Storm Chase 23rd December 2016

A sample of the photographs from this very long 10 hour storm chase! We went from Guyra eventually through to Tingha and Bundarra and then to Uralla. From there we went to Kentucky and near Woolbrook and Niangala and down to Tamworth region and then down to Murrundi for the lightning show - this was the last storm in the complex! Lightning from the first Guyra storm complex - rolling shutter. Picture of the car tyre obliteration included!

As of 10pm, we have just finished chasing. Noon near Guyra through to Bundarra to Uralla to tough chasing country as we went through to Niangala and then on to Tamworth where we passed several cells to Murrurindi until 10pm might be a 2am arrival for me.

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