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 |
JetstreamRelatively 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. |
JTWCJoint Typhoon Warning Center. The JTWC issues warnings and forecasts for tropical systems across the Pacific and Indian Oceans. |
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Weather News
Forecast of high winds prompts thunderstorm asthma warning for south-western Victoria
15:07 EDT
Victoria's Chief Health Officer Brett Sutton has issued a thunderstorm asthma warning for the state's south-west weather district as a squally change crosses the state.
Temperatures to soar over the weekend as southern Queensland swelters through heatwave
13:59 EDT
Temperatures are forecast to rise across southern Queensland this weekend, peaking on Sunday, and with no reprieve expected until Wednesday.
