Seasonal climate summary for the southern hemisphere (spring 2018): positive Indian Ocean Dipole and Australia

IF 3.6 4区 地球科学 Q1 Earth and Planetary Sciences
B. Trewin
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引用次数: 0

Abstract

This is a summary of the southern hemisphere atmospheric circulation patterns and meteorological indices for spring 2018; an account of seasonal rainfall and temperature for the Australian region and broader southern hemisphere is also provided. A positive phase of the Indian Ocean Dipole developed during the season, and the central and eastern equatorial Pacific were warmer than average without reaching El Niño thresholds. It was Australia’s driest September on record, before rainfall of closer to average in October and November. It was warmer than average, especially in northern Australia, with coastal Queensland affected by extreme heat and wildfires in November. It was one of the three warmest springs on record for the southern hemisphere as a whole, and was notably dry in southern and eastern Africa.
南半球季节气候摘要(2018年春季):印度洋偶极子和澳大利亚正
这是2018年春季南半球大气环流模式和气象指数的总结;还提供了澳大利亚地区和更广泛的南半球的季节性降雨和温度的说明。印度洋偶极子正相在该季节形成,赤道太平洋中部和东部比平均温度高,但没有达到El Niño阈值。这是澳大利亚有记录以来最干旱的9月份,而10月和11月的降雨量接近平均水平。今年的气温高于平均水平,尤其是在澳大利亚北部,昆士兰沿海地区在11月受到了极端高温和野火的影响。这是南半球有记录以来最热的三个春季之一,非洲南部和东部的干旱尤为明显。
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来源期刊
Journal of Southern Hemisphere Earth Systems Science
Journal of Southern Hemisphere Earth Systems Science Earth and Planetary Sciences-Oceanography
CiteScore
8.10
自引率
8.30%
发文量
0
审稿时长
>12 weeks
期刊介绍: The Journal of Southern Hemisphere Earth Systems Science (JSHESS) publishes broad areas of research with a distinct emphasis on the Southern Hemisphere. The scope of the Journal encompasses the study of the mean state, variability and change of the atmosphere, oceans, and land surface, including the cryosphere, from hemispheric to regional scales. general circulation of the atmosphere and oceans, climate change and variability , climate impacts, climate modelling , past change in the climate system including palaeoclimate variability, atmospheric dynamics, synoptic meteorology, mesoscale meteorology and severe weather, tropical meteorology, observation systems, remote sensing of atmospheric, oceanic and land surface processes, weather, climate and ocean prediction, atmospheric and oceanic composition and chemistry, physical oceanography, air‐sea interactions, coastal zone processes, hydrology, cryosphere‐atmosphere interactions, land surface‐atmosphere interactions, space weather, including impacts and mitigation on technology, ionospheric, magnetospheric, auroral and space physics, data assimilation applied to the above subject areas . Authors are encouraged to contact the Editor for specific advice on whether the subject matter of a proposed submission is appropriate for the Journal of Southern Hemisphere Earth Systems Science.
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