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Meteorology Products

Real-time tropical and subseasonal forecasting tools

This site can now be accessed with the URL: https://mjo.tools

MJO Tracker

Real-time Madden-Julian Oscillation phase diagram with CFS ensemble forecasts.

Hovmoller Diagrams

Interactive tropical wave Hovmollers showing OLR and wind anomalies across different latitude bands.

Static Hovmollers

Static Hovmoller diagrams for OLR, U850, and U200 with CFS and GEFS model support.

Tropical Mode Maps

Animated horizontal maps showing tropical convective mode projections.

Temperature Forecasts

CFS and GEFS 2-meter temperature forecasts for CONUS, Northern Hemisphere, and South Pacific.

Original Teleconnections

Arctic Oscillation (AO)

AO index with CFS ensemble forecasts and loading pattern.

North Atlantic Oscillation (NAO)

NAO index with CFS ensemble forecasts and loading pattern.

Pacific/North American (PNA)

PNA index with CFS ensemble forecasts and loading pattern.

Canonical Teleconnections

Canonical Arctic Oscillation (AO)

Canonical AO index with CFS and GEFS forecasts, loading patterns, and complete history.

Canonical North Atlantic Oscillation (NAO)

Canonical NAO index with CFS and GEFS forecasts, loading patterns, and complete history.

Canonical Pacific/North American Pattern (PNA)

Canonical PNA index with CFS and GEFS forecasts, loading patterns, and complete history.

Data sourced from NOAA CFS and GEFS models. Products by Kyle MacRitchie.