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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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Shivery Saturday morning for NSW

10:05 EST

Sydneysiders awoke to the coldest morning since last winter on Saturday and more cold mornings are on the way.

Glider pilots set to soar to new heights near Canberra due to weather phenomenon

09:19 EST

Glider pilots across the Canberra region are preparing for their busiest time of year with the arrival of a weather phenomenon which allows them to reach enormous heights.

Agriculture white paper: Drought relief, dams key focus of Coalition's blueprint for rural Australia

00:50 EST

More money for dams, extra drought relief and measures to boost the returns to farmers from sales at home and abroad are part of the Federal Government's long-awaited blueprint for agriculture.