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

Friday, January 22nd, 2010

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 continentSydney’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 2010

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

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

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

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

Inflow characteristics and intense lightning were characteristic of this storm
Surprise supercell developing in deep layer shear January 14th 2010
Wall cloud under severe supercell near Walcha - January 14th 2010

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

Cold and Snow – Now July Heat

Thursday, July 23rd, 2009

Headed up to the Northern Tablelands last Wednesday (15th July) to intercept some snowfalls across the region. A very large cold pool brought scattered storm clouds across NSW. Some of these managed to produce snow on higher ground between Guyra and Glen Innes. The best falls were at Ben Lomond (where I was) where snow depth got to about 6cm or more by the next morning.

All photos for the two days are here:

15 July 2009 photos and 16 July 2009 photos

2009071606 Cold and Snow   Now July Heat

2009071611 Cold and Snow   Now July Heat

In contrast to the snow and cold, this week has seen widespread temperatures in the mid 20s. Looks like it will get to 25 today after 24 the past two days.

Cold Snowy and Windy for Southeast Australia

Tuesday, June 30th, 2009

Finally a sigficant cold front for SE Australia after a few weeks of action focusing on Southwest West Australia.

The change should see widespread snowfalls to the Alpine areas – the ski resorts have certainly been waiting for this!.

GFS tips a low off the NSW south coast which may shoot a cold pool up the ranges. We could see some decent snowfalls across the Central and possibly Northern Tablelands.

Besides the snow and rain chances, gales and severe weather warnings are featuring in SA, NSW and VIC already.