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The plot below shows tropical wave identification in the analysis OLR on 31st December, also indicating a large area of convection associated with the MJO (purple) and with a large Kelvin wave (grey & dashed), alongside total 24-hour precipitation.
The plot below shows the tropical wave identification in the extended-range control forecast produced 1 week ahead on 24th December, indicating the convection associated with all 3 wave types in the area. The HRES forecast did not contain any MJO signal at this lead time. Extended-range control forecasts produced before 20th December did not show any MJO signal in this area.
3.5 Comparison with other centres
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