Flash flooding from Winter Storms in Sydney 16th July 2013

A storm produced flash flooding as 15mm fell in 15 minutes at North Ryde! It is unusual for storms to occur during winter so this storm cell was a surprise particularly its intensity! The storm was spawned near the Riverstone Schofields corridor and intensified as it moved over Baulkham Hills Castle Hill district finally dumping torrential rain over the North Ryde area. The storm then drifted east and gradually weakened. A boy was swept into a creek or river at the height of the storm.

Flash flooding at North Ryde with this storm Storm weakens rapidly near sunset

Comments

comments

  • Jeff Brislane

    This is a cell from yesterday at Minchinbury

  • Harley Pearman

    Jeff, if you are down at Dinner Plain, there is an intense narrow band of rain with embedded storms crossing through into NE Victoria. Its quite messy but there are some embedded rain cells within it that are reasonably intense. In places where the intense cells passed over, rainfall figures are boosted. Mangalore scored 27.4 mm, Tatura scored 24.6 mm and Shepparton scored 19.6 mm from the same system in quite a short time. It seems peak wind gusts so far range from 50 km to 80 km/h within this system looking at weather stations most affected. It is a system to watch as it closes in on the higher elevations of Victoria and there are actual thunderstorms in it. The main threat appears to be the heavy rain (even possible flooding) and wind and I have seen weather alerts out for this system.

    Further to the storm on Tuesday, I was at work at Auburn and I advise that the main bulk of the storm cell passed just to the north and east of the suburb. The Auburn area did get some rain from it and I heard some thunderclaps but it was not significant. Rainfall totals around Auburn were around the 1 mm to 2 mm mark being at the southern edge of it. I did not have a camera available so no photos.

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