Phase diagram showing the evolution of the last 40 days of observations along with the 8 day ensemble forecasts. The yellow lines are the 51 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 in this area.

Name and PID: Japan Meteorology Agency Ensemble System (JMAN)
Number of Members: 51
Forecast Duration: 10 Days Climatology for anomalies: NCEP Reanalyses
Previous 120 Day Analysis Mean Used: JMA analysis