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Climate Prediction Center

Subseasonal to seasonal long-range forecasts
USRCC Home > About the USRCC > Mandatory functions > S2S LRF function

Operational activities for subseasonal to seasonal long-range forecasting

The USRCC delivers real-time products and information on timescales ranging from weeks to seasons, thereby promoting effective management of climate-related risks and a climate-resilient society.

The week 1 and week 2 forecasts are based on the Global Forecast System (GFS) and the Global Ensemble Forecast System (GEFS) models outputs. The monthly and seasonal forecasts result from the North America Multi-Model Ensemble (NMME), an experimental multi-model seasonal forecasting system consisting of coupled models from North American modeling centers.

In addition to model outputs, the USRCC provides climate products tailored to the needs of WMO Members in the Regional Association IV for decision-making and planning. The monthly forecasts are assessed and interpreted in the monthly forecasts discussion. Weekly likely hazards (i.e. drought, flooding, tropical cyclone, locust outbreak, abnormal cold and heat) over Central America and Hispaniola are presented in the Regional Hazards Outlooks.

The USRCC performs verifications of the long-range forecasts products and provides an online access to forecasts and hindcast data.

All these products are available for the entire WMO Regional Association IV and for the sub-region on the Caribbean, Central America and Mexico to capture specific features in this area.






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NOAA Center for Weather and Climate Prediction
Climate Prediction Center
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Page Author: Climate Prediction Center Internet Team
Page last modified: February 12, 2012
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