@article{fdi:010055941,
  title = {{I}mpact of the {I}ndian part of the summer {MJO} on {W}est {A}frica using nudged climate simulations},
  author = {{M}ohino, {E}. and {J}anicot, {S}erge and {D}ouville, {H}. and {L}i, {L}. {Z}. {X}.},
  editor = {},
  language = {{ENG}},
  abstract = {{O}bservational evidence suggests a link between the summer {M}adden {J}ulian {O}scillation ({MJO}) and anomalous convection over {W}est {A}frica. {T}his link is further studied with the help of the {LMDZ} atmospheric general circulation model. {T}he approach is based on nudging the model towards the reanalysis in the {A}sian monsoon region. {T}he simulation successfully captures the convection associated with the summer {MJO} in the nudging region. {O}utside this region the model is free to evolve. {O}ver {W}est {A}frica it simulates convection anomalies that are similar in magnitude, structure, and timing to the observed ones. {I}n accordance with the observations, the simulation shows that 15-20 days after the maximum increase (decrease) of convection in the {I}ndian {O}cean there is a significant reduction (increase) in {W}est {A}frican convection. {T}he simulation strongly suggests that in addition to the eastward-moving {MJO} signal, the westward propagation of a convectively coupled equatorial {R}ossby wave is needed to explain the overall impact of the {MJO} on convection over {W}est {A}frica. {T}hese results highlight the use of {MJO} events to potentially predict regional-scale anomalous convection and rainfall spells over {W}est {A}frica with a time lag of approximately 15-20 days.},
  keywords = {{M}adden {J}ulian {O}scillation ; {W}est {A}frica ; {A}tmospheric general circulation models ; {N}udging},
  booktitle = {},
  journal = {{C}limate {D}ynamics},
  volume = {38},
  numero = {11-12},
  pages = {2319--2334},
  ISSN = {0930-7575},
  year = {2012},
  DOI = {10.1007/s00382-011-1206-y},
  URL = {https://www.documentation.ird.fr/hor/fdi:010055941},
}