Operation "Autumn Storm" : ECC workplace project : Sydney Hailstorm, 14 April 1999.

Material type: Text

TextPublication details: [New South Wales] : Emergency Management Australia, 1999Description: 1 v. (various pagings)DDC classification:

363.349209943 21

Subject: On 14th April 1999 a storm cell developed 115 kilometres south east of Sydney over land near the township of Nowra. The storm continued to track north east over Botany Bay where it continued to spread and impact on the various suburbs. In total, the storms' zone of influence (Sydney) stretched some 60 kilometres from south to north. Hail stones up to nine centimetres in diameter were accompanied by strong winds, lightning and heavy rain as the storm cut a swathe of destruction from south to north. In meteorological terms the storm was a rare but unusually severe type of thunderstorm known as a 'supercell' whose structure, intensity, movement and longevity is characteristically quite different from ordinary thunderstorms.

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Holdings
Item type	Current library	Collection	Call number	Status	Date due	Barcode
Books	Australian Emergency Management Library	BOOK	363.34909943 EME (Browse shelf(Opens below))	Available		011481231

"EMA-003"

Submission date : 30 July 1999

On 14th April 1999 a storm cell developed 115 kilometres south east of Sydney over land near the township of Nowra. The storm continued to track north east over Botany Bay where it continued to spread and impact on the various suburbs. In total, the storms' zone of influence (Sydney) stretched some 60 kilometres from south to north. Hail stones up to nine centimetres in diameter were accompanied by strong winds, lightning and heavy rain as the storm cut a swathe of destruction from south to north. In meteorological terms the storm was a rare but unusually severe type of thunderstorm known as a 'supercell' whose structure, intensity, movement and longevity is characteristically quite different from ordinary thunderstorms.

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