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The plot below below shows the weekly mean precipitation anomaly for 25 December - 31 December in . All lead-times here showed a wet anomaly around 10-15N, and the forecast from 25 December16 Decmber had already a very strong anomaly.
The plot below shows MJO forecasts from 31 December and 26 December. A strong MJO event was present in the western Indian Ocean around the day of the extreme.
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