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Advanced Model Page

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| Full 46-Day Hybrid Outlook | Day 1-14 Near-Term Outlook (GFS vs ECMWF) |Day 15-44 Long-Term Outlook (CFS vs ECMWF-EPS)


This page incorporates data from a variety of near-term and long-term computer models to project gas-weighted degree days (GWDDs) for the next 6 weeks. GWDDs represent a combination of heating and cooling degree days and natural gas geographic usage patterns to generate a temperature-dependent projection of relative natural gas demand. The GFS model updates three times daily, the ECMWF and CFS models twice daily, and the ECMWF-EPS model twice weekly. All attempts will be made to issue new updates timely, but data may be delayed. The data below is numerical only and processed according to proprietary algorithms as sharing ECMWF maps is disallowed.

44-Day Hybrid Forecast




14-Day Near-Term Forecast



Day 15-44 Long-Term Forecast