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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

July wrap up around the grounds

16:19 EST

The month of July was quite dynamic across the nation, with some particularly strong cold fronts which delivered low level snow as far north as the Border Ranges, and spells of prolonged dry and warm conditions, particularly along the east coast.

Widespread rain to quench thirsty West Australian crops

16:02 EST

Widespread, drenching rain across many parts of Western Australia's agricultural region, brings a smile to the faces of local farmers.

The Photo Fence: Artists capture Darwin homeowners' love affair with high fences

15:20 EST

Some encase Darwin's homes in a gnarled mesh vestige while others stand like spiked watchmen separating the street from those living inside.