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Weather Glossary - J

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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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Brief monsoonal activity for QLD and the NT

12:58 EDT

The monsoon trough has made a glancing blow of Queensland's Cape York Peninsula and the Top End.

Rain welcome but many in western Queensland 'still doing it tough'

21:28 EDT

Rain in parts of western Queensland in the past week has raised hope that the drought may finally be over, but the long, dry years have already devastated pastures and wiped out incomes for many farming families.

Solid central Australian rain a bonus as pastoral company progresses with drought-proofing strategy aimed at selling heavier cattle

17:06 EDT

A Central Australian pastoral company says recent solid rain across its five cattle stations is a welcome bonus as it continues with a drought-proofing strategy.