Australia: Darwin about to be drenched by another tropical low

Weather forecasters are predicting a tropical low currently building strength in the Gulf of Papua will bring the Top End yet another burst of wet weather ahead of the start of the dry season.

In what is shaping up to become the second wettest wet season on record, Darwin has so far exceeded the normal rainfall levels in every month since October.

Cook's rain pushes into Dunedin, strong winds mostly at sea now

Final Update 4:40pm --- The low that used to be Cyclone Cook is now centred east of Dunedin and is tracking southwards along the coastline but well out to sea.  The peak winds are easing around the centre and the majority of these strongest winds are 150 to 200kms out to sea and will likely remain there.

Cook makes landfall, races south

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FINAL LIVE UPDATE 12:52am Friday --- Ex-Cyclone Cook made landfall in Bay of Plenty around 7pm Thursday between Tauranga and Mt Maunganui and as of 12:50pm the Cook's rain bands were starting to track over Cook Strait with the centre of the low possibly on the Wairarapa eastern coastline.

Video: Ex-Cyclone Cook affecting Mt Maunganui

Ex-Cyclone Cook churned through the Bay of Plenty across Thursday afternoon. The deep air pressure out at sea is a bit like dropping a rock in a pond - it sends ripples outwards and in the case of a cyclone it creates huge building swells.

Tropical trouble brings travel trouble for Easter travellers Thurs & Fri

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ExCyclone Cook is about to bring heavy rain and gales to many parts of New Zealand. Even if only for a few hours there's enough energy with the system to cause problems for travellers.

Video: Cyclone Cook to affect most of NZ, landfall likely Thursday

Cyclone Cook was a Category 1 cyclone earlier today but was this afternoon downgraded to an ex-cyclone. This is a technical change and the storm remains dangerous.

Concerns increase as Cook's track shifts closer to all major centres in New Zealand (+5 Maps)

Reliable computer models are fine tuning their forecasts and the latest on where Cook may make landfall shifts it closer to Auckland and Coromandel Peninsula and sends even more rain over flood hit Bay of Plenty.

Weather Video: Cyclone Cook’s likely track to NZ

Cyclone Cook has cleared New Caledonia and is now weakening slowly but also heading directly towards New Zealand’s North Island.

Australia: Possible Tropical Cyclone threat for Darwin

Australia's late-season cyclone surge continues this week and Darwin may be impacted in the coming days.

As Cyclone Ernie wanders off into the Indian Ocean without having impacted Australia's mainland, another system is brewing to the north of the country.

Cyclone Cook - The latest tracking and situation for New Zealand (+Maps)

Cyclone Cook crossed New Caledonia last night as Severe Category 3 cyclone, today it's weakened to a Category 2 system and will continue to weaken as it tracks south.

But what exactly does "weaken" mean in this scenario? And why all the warnings of flooding if Cook is so small?