Monthly Archives: January 2010

Three tropical cyclones this week.

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The Australian region has been active this week with three named tropical cyclones. Tropical cyclone Neville formed off the far north Queensland coast early on the 20th but was short lived: barely 12 hours. JTWC did not even issue a warning for it.

On the same day tropical cyclone Magda developed off the Kimberley region of Western Australia. It intensified into a category two system before impacting the coastline northeast of Broome on 22nd January.

And tropical cyclone Olga has formed this morning off the far north Queensland coast. Warnings are in place from Cooktown to Cardwell. It may be a category two cyclone at landfall.

More information here:

http://www.australiasevereweather.com/forum/tropical-cyclones-typhoons-hurricanes-and-tropical-thunderstorms-worldwide/

Tropical cyclones, heat waves, storms and snow! January 2010

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As two tropical cyclone warnings are issued up north - Tropical Cyclone Magda and now ex-tropical cyclone Neville - in contrast heat waves and scorching the south of the continent - Sydney's west experiencing 3 consecutive days of 40C or higher temperatures. Lucky the recent rains have made the forests and fields green again that bushfires are not a major threat.

And then of course snow fell during a brief cold snap that passed over southern Australia namely Victoria and southern NSW producing snow over the highlands of the Snowy Mountains. What a month. Now back to the 40C heat!

Incidently, following the two severe storm events prior to Christmas including the Singleton hailstorm, early January was an active period for severe thunderstorms with a few explosive thunderstorm events intercepted.

Jimmy

Explosive updraft and overshooting top lower Blue Mountains January 5th 2010Base with wall cloud January 5th 2010

Deep convection - this severe pulse storm kept rising January 10th 2010

Explosive updrafts lower Hunter Valley from outflow of Putty pulse storm January 10th 2010

Base of exploding storm headed for Jerrys Plains January 10th 2010

Inflow characteristics and intense lightning were characteristics of this storm

Wall cloud under severe supercell near Walcha - January 14th 2010

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