Australian Weather News -- 13 August 2000

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Sunday 13 August 2000

Brief heavy rain in NSW

A band of moderate rain with sporadic heavier falls moved southwards through NSW today. The rain developed under a significant upper pool of cold air (see chart), with the heaviest falls occurring between the upper Hunter Valley and Tamworth. Keeva, near Nundle, recorded 33mm in the 24 hours to 9am Monday, while Tamworth registered 31mm at the Airport. Much of the rain fell during the few hours that the main rainband took to pass, as can be seen from these registrations for 3 hours: Norah Head on the Central Coast 10mm to 6am, Bellambi in the Illawarra 12mm to noon, Wagga Airport 10mm to 6pm, and Albury 10mm and Tuggeranong, south of Canberra, 11mm to 9pm. However, a second area of rain gave the upper Hunter/Tamworth area close to an inch of rain between 9 this evening and 3am Monday, with Tamworth Airport recording 20mm and Murrurundi 22mm during the 6 hour period.

Though there was little of note on the surface weather maps, the 10pm chart for 500hPa (around 5.5km) showed the cause of today's rain in NSW. A broad upper low covers the state (white lines), while temperatures were as low as -30° over the state's Central West (green lines). The cold pool moved slowly SE today and Monday. Fiorino

Today's highest rainfall totals for the 24 hours to 9am 16.0 Frenchs Forest NSW 14.0 Bunbury WA 14.0 Norah Head LH NSW 13.0 Belrose NSW High falls for other periods: WA: Bunbury: 13mm in 3h to 3am NSW: Bellambi: 12mm in 3h to noon	Today's highest & lowest temps		Other extremes . Records set this day .
	Maximum	Minimum
	36.3 Curtin AP Derby WA	24.0 McCluer Is NT 24.0 Coconut Is Qld
	0.1 Mt Wellington Tas	-10.0 Charlotte Pass NSW
	Greatest variations from normal
	Maximum	Minimum
	+4.9 22.0 Salmon Gums WA	+6.6 9.0 Quirindi NSW
	-9.2 12.0 Bollon Qld	-7.2 -1.0 Ceduna AP SA

Times stated are the clock time in force in the relevant state or territory
Stories, including those in the archives, are as new and corrected information becomes available, with updates underlined
Australian Weather News gratefully acknowledges the Bureau of Meteorology as the collector and main source of meteorological data in Australia, along with the thousands of observers who record the weather and rainfall daily. I also thank Don White, Blair Trewin and the many contributors to the Aussie Weather mailing list who routinely provide much appreciated information.