MJO Forecast — AIFS-ENS

Real-time Multivariate MJO (RMM) phase-space forecast from the ECMWF AIFS-ENS ensemble (51 members to day 15), following Wheeler & Hendon (2004). Wind-only projection (U850/U200); amplitude is the radial distance (rings at 1, 2, 3). Observed track is recent ERA5/AIFS analysis.

AIFS-ENS RMM 2026-06-03 00Z
Latest init: 2026-06-03 00Z

Recent runs

RMM 2026-06-02 12Z2026-06-02 12Z RMM 2026-06-02 00Z2026-06-02 00Z RMM 2026-06-01 12Z2026-06-01 12Z RMM 2026-06-01 00Z2026-06-01 00Z RMM 2026-05-31 12Z2026-05-31 12Z RMM 2026-05-30 12Z2026-05-30 12Z

Updated 2026-06-03 17:28Z · Auto-generated from the AIFS-ENS open-data feed. Methodology: NOAA CPC / Wheeler & Hendon (2004), EOFs from NOAA OLR + NCEP wind with the 120-day low-frequency filter removed.