HOME > Climate & Weather Linkage > Madden-Julian Oscillation > US CLIVAR NCEP MJO Index Forecast

Plots and information for the National Centers for Environmental Prediction (NCEP) US CLIVAR MJO index.

Phase Diagram

Phase diagram showing the evolution of the last 40 days of observations along with the 15 day ensemble GFS forecast. The yellow lines are the twenty ensemble members and the green line is the ensemble mean (thick-week 1, thin-week 2). The dark gray shading depicts 50% of the members fall in this area and the light gray shading indicates 90% of the members.

Model Specific Information

NCEP model forecast specifics.