Sydney's west forecast to exceed 40C on Thursday

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Summer started out on a cool note for much of southern Australia, although a countrywide heat wave will send temperatures soaring this week.

Many areas in southern and southeastern Australia experienced a notably mild start to summer this year.

Tuesday: Cooler in the South Island's east, but hotter than normal elsewhere

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A refreshing change is coming for parts of the South Island on Tuesday with parts of Canterbury possibly as much sa 20 degrees cooler at the warmest part of the day compared to last Friday when temperatures hit the mid to late 30s.

Fiordland drier than Alice Springs...what the heck?! (+2 Maps)

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Fiordland - one of the wettest places on earth - has had less rain that desert parts of central Australia over the past 30 days.

While New Zealand has been stuck under high pressure for much of the past month many inland, southern and eastern parts of Australia have been much wetter than average.

Australia: Eastern storms strike capital cities Friday

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Skies have darkened over Brisbane and Sydney this afternoon as thunderstorms rolled through both capital cities.

A broad low pressure trough draped across eastern Australia and a cold front moving over NSW produced the storms, some of which have produced hail and blustery winds.

Australia - Early Summer heat affecting Perth

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A burst of summer heat starting tomorrow in Perth may cause the city to have its warmest run of days this early in six years.

A slow-moving high pressure system to the south of Australia will cause an extended period of warm east to north easterly winds in Perth between now and early next week.

Australia: Sydney Harbour spills over into CBD due to supermoon

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A king tide prompted by a supermoon earlier this week has inundated areas around Sydney Harbour, with further record tides and flooding to come.

The tide reached 2.03 metres on Tuesday morning, with water spilling onto footpaths at the Royal Botanic Garden and flooding areas near the Fleet Steps.

Special Update: NZ's current set up breaking all the norms

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Most of New Zealand is drier than average. Most of NZ is warmer than average. Now the sea surface temperatures are not only above average, but they are warmer than average more so than anywhere else on the globe.

Weather Video: Current Sea surface temps around NZ stand out on world map

We kick off the first full week of December under more high pressure and mostly dry weather but this week has a few more twists than last week.

We still see a few daytime downpours, again mainly around Central Plateau but a few also possible around Central Otago.

First Saturday of Summer: Above 30 degrees in parts of NZ, stormy in Australia (+Maps)

Updated 3:07pm --- The first week of summer on the meteorological calendar is hot for some as temperatures over 30 degrees are recorded in New Zealand. For some inland parts of the South Island this is the third weekend in a row with daytime highs above their normal for this time of the year.

Weather Video: Storms ease & high pressure dominates NZ, Aussie faces severe weather

The run of high pressure continues around New Zealand as we head into the weekend and next week - however the major daily downpours will ease tonight in the South Island then finally in the North Island on Saturday evening.