Weather Glossary - J

search

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.

Site search


Enter a postcode or town name for local weather, or text to search the site. » advanced search

Drenching for Queensland's Coast

12:00 AEST Rainfall of over 50mm has been recorded along the Sunshine State's coast overnight with plenty more to come.

Help with Farmonline Weather