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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

Wet week for the Southwest

15:11 EST

While showers and rain have been lingering over southern regions of Western Australia, there are no signs that clear skies are going to return any time soon.

Wild weather sets its sights on New Zealand

12:48 EST

A deep cold front will move over New Zealand, bringing an intense bout of wind, rain and snow.

Tigerair flight turned back to Melbourne after mid-air lightning strike

23:55 EST

An airline passenger has described her terror and ultimate relief after the plane she was on was hit by lightning and forced to return to Melbourne Airport.