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Waterspout warnings off NSW 19th February 2013

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The Bureau this morning issues warnings for strong winds as the threat for waterspouts occurred off the Sydney and northern beaches coastline. Some large cumulonimbus with showers were spawning these waterspouts likely as a result of cold air aloft and warm seas surface temperatures.

After a resfreshed warning for a continued threat of strong winds, the warning has been cancelled by midday.

Supercell Mushroom Cloud – 4th November 2000

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Supercell Mushroom Cloud - 4th November 2000

On this day in 2000, I was in northern NSW chasing the region with a very favourable setup with surface lifted index values of -10. Of course, it was in the early days and little did I know at the time that winds can carry that very potent region further east! Well it mostly occurred on the Northern Tablelands  beginning with Dorrigo (billiard sized hailstones at 11am!) and then Grafton region later. There were several storms in this region and northern NSW during this event and the day after! This storm was observed on the road east of Inverell and just prior to descending the escarpment. Quite impressive convection. An impressive cumulonimbus cell developed near Grafton and Ballina region with cloud to clear air lightning observed from both storms!

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