Articles | Volume 5, issue 2
https://doi.org/10.5194/wcd-5-671-2024
https://doi.org/10.5194/wcd-5-671-2024
Research article
 | 
30 Apr 2024
Research article |  | 30 Apr 2024

Development of Indian summer monsoon precipitation biases in two seasonal forecasting systems and their response to large-scale drivers

Richard J. Keane, Ankur Srivastava, and Gill M. Martin

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Cited articles

Abhilash, S., Sahai, A. K., Borah, N., Chattopadhyay, R., Joseph, S., Sharmila, S., De, S., Goswami, B. N., and Kumar, A.: Prediction and monitoring of monsoon intraseasonal oscillations over Indian monsoon region in an ensemble prediction system using CFSv2, Clim. Dynam., 42, 2801–2815, https://doi.org/10.1007/s00382-013-2045-9, 2014. 
Arribas, A., Glover, M., Maidens, A., Peterson, K., Gordon, M., MacLachlan, C., Graham, R., Fereday, D., Camp, J., Scaife, A. A., Xavier, P., McLean, P., Colman, A., and Cusack, S.: The GloSea4 Ensemble Prediction System for Seasonal Forecasting, Mon. Weather Rev., 139, 1891–1910, https://doi.org/10.1175/2010MWR3615.1, 2011. 
Ashok, K., Guan, Z., and Yamagata, T.: Impact of the Indian Ocean dipole on the relationship between the Indian monsoon rainfall and ENSO, Geophys. Res. Lett., 28, 4499–4502, https://doi.org/10.1029/2001GL013294, 2001. 
Bollasina, M. and Ming, Y.: The general circulation model precipitation bias over the southwestern equatorial Indian Ocean and its implications for simulating the South Asian monsoon, Clim. Dynam., 40, 3–4, https://doi.org/10.1007/s00382-012-1347-7, 2012. 
Bollasina, M. and Nigam, S.: Indian Ocean SST, evaporation, and precipitation during the South Asian summer monsoon in IPCC-AR4 coupled simulations, Clim. Dynam., 33, 1017–1032, https://doi.org/10.1007/s00382-008-0477-4, 2009. 
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Short summary
We evaluate the performance of two widely used models in forecasting the Indian summer monsoon, which is one of the most challenging meteorological phenomena to simulate. The work links previous studies evaluating the use of the models in weather forecasting and climate simulation, as the focus here is on seasonal forecasting, which involves intermediate timescales. As well as being important in itself, this evaluation provides insights into how errors develop in the two modelling systems.
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