This page provides an overview of regional forecast skill for the MAM 2026 period. Forecast scores are updated automatically every week throughout the competitive period. The current data includes 7 forecasts initialized between Thursday 12th February 2026 and Thursday 26th March 2026 (inclusive). For a detailed description of the outputs, please refer to the section's overview .
Regional skill score files
All regional RPSSs are available to download via the following link:
MAM 2026 Regional RPSSs (Excel format)
Regional scores for the top 10 teams of global, period-aggregated, variable-averaged RPSSs
Forecast window 1 (days 19 to 25)
Team name Team rank Model name Model rank Global Tropics NHem. ExTro. SHem. ExTro. NHem. Polar SHem. Polar Europe N. Amer. S. Amer. Africa Asia Oceania CMAandFDU 1 FengshunHybrid 1 0.095 0.14 0.097 0.007 0.038 0.025 0.063 0.134 0.043 0.126 0.115 0.09 CMAandFDU 1 FengshunAdjust 4 0.08 0.118 0.08 0.016 -0.006 0.055 0.047 0.103 0.049 0.111 0.092 0.054 CMAandFDU 1 Fengshun 16 0.029 0.037 0.036 -0.005 0.023 -0.006 -0.024 0.078 -0.026 0.034 0.036 0.038 LP 2 LPM 2 0.088 0.123 0.085 0.008 0.076 0.025 0.042 0.133 0.038 0.118 0.114 0.101 MicroEnsemble 3 Huracan 3 0.081 0.117 0.08 -0.0 0.043 0.025 0.068 0.111 0.048 0.09 0.1 0.112 MicroEnsemble 3 MicroDuet 5 0.079 0.114 0.082 0.023 0.024 0.028 0.068 0.093 0.053 0.109 0.09 0.111 MicroEnsemble 3 StillLearning 9 0.07 0.101 0.083 0.019 0.013 0.02 0.065 0.084 0.032 0.103 0.088 0.106 AIFS 4 AIFSgaia 6 0.076 0.101 0.092 -0.015 0.06 0.017 0.05 0.144 0.017 0.1 0.105 0.059 AIFS 4 AIFShera 10 0.065 0.087 0.077 -0.012 0.069 0.011 -0.006 0.149 -0.013 0.082 0.103 0.027 AIFS 4 AIFSthalassa 12 0.047 0.06 0.074 -0.011 0.028 -0.006 -0.006 0.166 -0.013 0.083 0.056 -0.008 CLINT 5 CLINTMF 7 0.076 0.103 0.076 -0.002 0.074 0.027 0.029 0.134 0.051 0.082 0.096 0.075 CLINT 5 CLINTDD 8 0.075 0.103 0.073 0.002 0.071 0.026 0.025 0.134 0.058 0.077 0.095 0.075 CLINT 5 CLINTSE 11 0.051 0.076 0.057 0.002 0.045 -0.037 0.0 0.118 0.044 0.036 0.079 0.058 UWAtmosNVIDIA 6 DLESyMS2Sv1 13 0.034 0.042 0.032 -0.012 0.041 0.025 0.025 0.049 -0.016 0.074 0.056 0.023 SBUHybrid 7 HybridPPx 14 0.031 0.031 0.063 -0.01 0.058 -0.019 0.019 0.121 -0.039 0.058 0.042 0.012 SBUHybrid 7 HybridAC 17 0.027 0.019 0.056 -0.006 0.072 -0.007 0.031 0.11 -0.027 0.045 0.032 -0.013 scienceAI 8 ngcm 15 0.029 0.019 0.064 0.013 0.044 -0.018 0.052 0.069 0.031 -0.029 0.062 0.024 scienceAI 8 zephyr 18 0.027 0.012 0.06 0.01 0.026 0.013 0.057 0.074 0.039 -0.027 0.055 0.007 scienceAI 8 findforecast 22 -0.02 -0.052 0.006 -0.006 -0.013 0.029 0.022 -0.001 -0.014 -0.077 -0.021 -0.05 JR 9 slowMamba 19 0.025 0.047 0.025 0.02 0.002 -0.048 -0.006 0.082 0.033 0.037 0.025 0.026 IgnisNeuralis42 10 GCast42 20 0.016 0.022 0.023 -0.008 -0.018 0.021 0.036 0.017 0.017 -0.009 0.008 -0.003
Forecast window 2 (days 26 to 32)
Team name Team rank Model name Model rank Global Tropics NHem. ExTro. SHem. ExTro. NHem. Polar SHem. Polar Europe N. Amer. S. Amer. Africa Asia Oceania CMAandFDU 1 FengshunHybrid 1 0.051 0.084 0.041 0.014 0.001 0.017 0.004 0.08 0.021 0.083 0.057 0.067 CMAandFDU 1 FengshunAdjust 4 0.042 0.071 0.032 0.017 -0.033 0.04 0.004 0.065 0.023 0.086 0.035 0.048 CMAandFDU 1 Fengshun 11 0.016 0.028 0.014 -0.009 -0.013 -0.008 -0.06 0.075 -0.0 0.027 0.0 0.042 LP 2 LPM 2 0.044 0.075 0.023 0.001 0.012 0.026 -0.041 0.072 0.023 0.067 0.052 0.049 MicroEnsemble 3 MicroDuet 3 0.042 0.071 0.032 0.019 -0.011 0.021 0.005 0.043 0.039 0.059 0.043 0.076 MicroEnsemble 3 Huracan 9 0.037 0.066 0.026 -0.005 -0.006 0.016 0.0 0.054 0.02 0.053 0.046 0.063 MicroEnsemble 3 StillLearning 10 0.034 0.06 0.026 0.017 -0.019 0.016 -0.005 0.036 0.034 0.048 0.038 0.071 AIFS 4 AIFSgaia 5 0.04 0.062 0.034 0.008 0.012 0.017 0.002 0.095 0.013 0.071 0.04 0.025 AIFS 4 AIFShera 8 0.038 0.055 0.025 0.011 0.047 0.017 -0.027 0.106 0.007 0.053 0.039 0.005 AIFS 4 AIFSthalassa 23 -0.026 -0.064 0.023 0.005 -0.012 -0.006 -0.022 0.071 -0.147 -0.039 0.0 -0.057 CLINT 5 CLINTDD 6 0.039 0.058 0.02 0.005 0.026 0.032 -0.029 0.072 0.021 0.061 0.037 0.048 CLINT 5 CLINTMF 7 0.038 0.055 0.022 0.0 0.026 0.038 -0.029 0.074 0.016 0.058 0.037 0.046 CLINT 5 CLINTSE 15 0.011 0.027 0.004 0.003 -0.018 -0.027 -0.064 0.044 0.002 0.031 0.022 0.03 UWAtmosNVIDIA 6 DLESyMS2Sv1 12 0.013 0.033 -0.01 -0.011 0.005 0.001 -0.024 0.02 0.027 0.068 0.013 -0.018 scienceAI 7 ngcm 13 0.013 0.01 0.027 0.011 0.003 -0.007 0.011 0.055 0.019 -0.022 0.012 -0.001 scienceAI 7 zephyr 14 0.012 0.008 0.023 0.009 -0.005 -0.002 0.009 0.049 0.021 -0.017 0.012 -0.017 scienceAI 7 findforecast 22 -0.023 -0.055 0.001 -0.002 -0.016 0.03 0.015 -0.011 -0.02 -0.073 -0.02 -0.053 SBUHybrid 8 HybridPPx 16 0.01 0.008 0.033 -0.021 0.035 -0.025 -0.011 0.075 -0.043 0.041 0.024 -0.042 SBUHybrid 8 HybridAC 18 0.005 0.001 0.034 -0.017 0.015 -0.011 0.009 0.06 -0.031 0.042 0.008 -0.062 IgnisNeuralis42 9 GCast42 17 0.009 0.023 0.007 0.001 -0.053 -0.006 0.008 -0.001 0.026 0.011 0.008 -0.018 CliMA 10 CliMAWeather 19 -0.005 -0.007 -0.007 0.004 -0.014 0.017 -0.005 -0.02 -0.007 -0.024 -0.006 0.018 CliMA 10 CliMAWeather2 21 -0.022 -0.039 -0.011 0.007 -0.023 0.01 -0.0 -0.032 -0.016 -0.078 -0.023 0.021
Near-surface air temperature (tas), forecast window 1 (days 19 to 25)
Near-surface air temperature (tas), forecast window 2 (days 26 to 32)
Mean sea level pressure (mslp), forecast window 1 (days 19 to 25)
Mean sea level pressure (mslp), forecast window 2 (days 26 to 32)
Accumulated precipitation (pr), forecast window 1 (days 19 to 25)
Accumulated precipitation (pr), forecast window 2 (days 26 to 32)
Weekly RPSSs for near-surface air temperature (tas), forecast window 1 (days 19 to 25)
Weekly RPSSs for near-surface air temperature (tas), forecast window 2 (days 26 to 32)
Weekly RPSSs for mean sea level pressure (mslp), forecast window 1 (days 19 to 25)
Weekly RPSSs for mean sea level pressure (mslp), forecast window 2 (days 26 to 32)
Weekly RPSSs for accumulated precipitation (pr), forecast window 1 (days 19 to 25)
Weekly RPSSs for accumulated precipitation (pr), forecast window 2 (days 26 to 32)
Weekly RPSSs for variable-averaged (average), forecast window 1 (days 19 to 25)
Weekly RPSSs for variable-averaged (average), forecast window 2 (days 26 to 32)
Aggregated RPSSs for near-surface air temperature (tas), forecast window 1 (days 19 to 25)
Aggregated RPSSs for near-surface air temperature (tas), forecast window 2 (days 26 to 32)
Aggregated RPSSs for mean sea level pressure (mslp), forecast window 1 (days 19 to 25)
Aggregated RPSSs for mean sea level pressure (mslp), forecast window 2 (days 26 to 32)
Aggregated RPSSs for accumulated precipitation (pr), forecast window 1 (days 19 to 25)
Aggregated RPSSs for accumulated precipitation (pr), forecast window 2 (days 26 to 32)
Aggregated RPSSs for variable-averaged (average), forecast window 1 (days 19 to 25)
Aggregated RPSSs for variable-averaged (average), forecast window 2 (days 26 to 32)
Near-surface air temperature (tas), forecast window 1 (days 19 to 25)
Near-surface air temperature (tas), forecast window 2 (days 26 to 32)
Mean sea level pressure (mslp), forecast window 1 (days 19 to 25)
Mean sea level pressure (mslp), forecast window 2 (days 26 to 32)
Accumulated precipitation (pr), forecast window 1 (days 19 to 25)
Accumulated precipitation (pr), forecast window 2 (days 26 to 32)
Near-surface air temperature (tas), forecast window 1 (days 19 to 25)
Near-surface air temperature (tas), forecast window 2 (days 26 to 32)
Mean sea level pressure (mslp), forecast window 1 (days 19 to 25)
Mean sea level pressure (mslp), forecast window 2 (days 26 to 32)
Accumulated precipitation (pr), forecast window 1 (days 19 to 25)
Accumulated precipitation (pr), forecast window 2 (days 26 to 32)
