Articles | Volume 22, issue 10
Hydrol. Earth Syst. Sci., 22, 5057–5067, 2018
https://doi.org/10.5194/hess-22-5057-2018

Special issue: Understanding and predicting Earth system and hydrological...

Hydrol. Earth Syst. Sci., 22, 5057–5067, 2018
https://doi.org/10.5194/hess-22-5057-2018

Research article 01 Oct 2018

Research article | 01 Oct 2018

Combined impacts of ENSO and MJO on the 2015 growing season drought on the Canadian Prairies

Zhenhua Li et al.

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Cited articles

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Andrews, E. D., Antweiler, R. C., Neiman, P. J., and Ralph, F. M.: Influence of ENSO on Flood Frequency along the California Coast, J. Climate, 17, 337–348, https://doi.org/10.1175/1520-0442(2004)017<0337:IOEOFF>2.0.CO;2, 2004. 
Bonsal, B. R., Chakravarti, A. K., and Lawford, R. G.: Teleconnections between North Pacific SST Anomalies and Growing Season Extended Dry Spells on the Canadian Prairies, Int. J. Climatol., 13, 865–878, 1993. 
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Bonsal, B. and Lawford, R.: Teleconnections between El Niño and La Niña Events and Summer Extended Dry Spells on the Canadian Prairies, Int. J. Climatol., 19, 1445–1458, 1999. 
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Short summary
The research started by investigating the 2015 growing season drought over the Canadian Prairies and evolved into investigating the connection between growing season rain deficit in the Prairies and MJO (20–90 days tropical oscillation in convective storms). With warm central Pacific sea surface temperature, strong MJOs in the western Pacific cause Rossby wave trains that propagate downstream and favour upper-level ridges and rain deficits over the Canadian Prairies during the growing season.