This Wheeler-Hendon diagram shows the forecasted phase of the Madden-Julian Oscillation (MJO) for the next 32 days.
Phase diagram showing the evolution of the last 40 days of observations (black) along with the ensemble forecast. The yellow lines are the ensemble members and the red, blue, and purple lines are the ensemble mean denoting various time ranges of the forecast (red: days 1-7, blue: days 8-14, purple: >=day15). For more information, click "Documentation" in this same room.
This product is courtesy of the Climate Prediction Center (CPC) and the European Centre for Medium Range Weather Forecasts (ECMWF), and it is updated daily.
Contact help@iri.columbia.edu with any technical questions or problems with this Map Room.