Articles | Volume 3, issue 2
Weather Clim. Dynam., 3, 413–428, 2022
https://doi.org/10.5194/wcd-3-413-2022
Weather Clim. Dynam., 3, 413–428, 2022
https://doi.org/10.5194/wcd-3-413-2022
Research article
05 Apr 2022
Research article | 05 Apr 2022

Tropical influence on heat-generating atmospheric circulation over Australia strengthens through spring

Roseanna C. McKay et al.

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Cited articles

Abram, N. J., Wright, N. M., Ellis, B., Dixon, B. C., Wurtzel, J. B., England, M. H., Ummenhofer, C. C., Philibosian, B., Cahyarini, S. Y., Yu, T.-L., Shen, C.-C., Cheng, H., Edwards, R. L., and Heslop, D.: Coupling of Indo-Pacific climate variability over the last millennium, Nature, 579, 385–392, https://doi.org/10.1038/s41586-020-2084-4, 2020. 
Abram, N. J., Henley, B. J., Sen Gupta, A., Lippmann, T. J. R., Clarke, H., Dowdy, A. J., Sharples, J. J., Nolan, R. H., Zhang, T., Wooster, M. J., Wurtzel, J. B., Meissner, K. J., Pitman, A. J., Ukkola, A. M., Murphy, B. P., Tapper, N. J., and Boer, M. M.: Connections of climate change and variability to large and extreme forest fires in southeast Australia, Commun. Earth Environ., 2, 8, https://doi.org/10.1038/s43247-020-00065-8, 2021. 
Ambrizzi, T., Hoskins, B. J., and Hsu, H.-H.: Rossby wave propagation and teleconnection patterns in austral winter, J. Atmos. Sci., 52, 3661–3672, https://doi.org/10.1175/1520-0469(1995)052<3661:RWPATP>2.0.CO;2, 1995. 
Arblaster, J., Lim, E.-P., Hendon, H., Trewin, B., Wheeler, M., Liu, G., and Braganza, K.: UNDERSTANDING AUSTRALIA'S HOTTEST SEPTEMBER ON RECORD, B. Am. Meteorol. Soc., 95, S37–S41, 2014. 
Bals-Elsholz, T. M., Atallah, E. H., Bosart, L. F., Wasula, T. A., Cempa, M. J., and Lupo, A. R.: The Wintertime Southern Hemisphere Split Jet: Structure, Variability, and Evolution, J. Climate, 14, 4191–4215, 2001. 
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Short summary
Understanding what makes it hot in Australia in spring helps us better prepare for harmful impacts. We look at how the higher latitudes and tropics change the atmospheric circulation from early to late spring and how that changes maximum temperatures in Australia. We find that the relationship between maximum temperatures and the tropics is stronger in late spring than early spring. These findings could help improve forecasts of hot months in Australia in spring.