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Global Circulation Model Predictions of Future Temperatures

Explore IPCC GCM projections for future temperatures in January and July 2080-2099 based on NASA’s GISS ER model, including Best, Moderate, and Worst case scenarios presented as anomalies. Understand SRES scenarios A2, A1B, B1 for climate insights.

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Global Circulation Model Predictions of Future Temperatures

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  1. Global Circulation Model Predictions of Future Temperatures • Maps compiled from the IPCC DDC web tool that allows access to GCM modeling results • NASA’s GISS ER model used for all simulations • Temperature anomalies presented as difference between late 21st century temperatures (2080-2099 average) and the 1961-1990 30-year average baseline. • IPCC SRES Scenarios presented as: • Worst case (A2) • Moderate case (A1B) • Best case (B1) • Note – other scenarios can be found that give worse “worst” case and better “best” case predictions, but the ones chosen here are commonly used

  2. Best Case – January 2080-2099

  3. Moderate Case – January 2080-2099

  4. Worst Case – January 2080-2099

  5. Best Case – July 2080-2099

  6. Moderate Case – July 2080-2099

  7. Worst Case – July 2080-2099

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