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Jet max

(Speed Max, Jet Streak) A point or area of relative maximum wind speeds within a jetstream.

Jet streak

A local wind speed maximum within a jetstream.

Jetstream

Relatively strong winds concentrated in a narrow stream in the atmosphere, normally referring to horizontal, high-altitude winds. The position and orientation of jetstreams vary from day to day. General weather patterns (hot/cold, wet/dry) are related closely to the position, strength and orientation of the jetstream (or jetstreams). A jetstream at low levels is known as a low level jet.

JTWC

Joint Typhoon Warning Center. The JTWC issues warnings and forecasts for tropical systems across the Pacific and Indian Oceans.

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Weather News

Rainy start to May for southeast QLD

12:37 EST

Although April was quite dry for large parts of Queensland, the recent rain at the start of May brought welcome relief.

South Australia's Kangaroo Island ferry resumes services after bad weather strands hundreds

11:22 EST

Hundreds of ferry passengers in South Australia are preparing to travel on an altered schedule as services between Kangaroo Island and the mainland resume.

Snowfall on Mt Wellington, Miena heralds winter in Tasmania

09:28 EST

Hobart woke up to a chilly surprise this morning, with a light covering of snow dusting Mt Wellington and Miena.