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 1 forecasts initialized between Thursday 12th February 2026 and Thursday 12th February 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 CLINT 1 CLINTMF 1 0.117 0.188 0.097 -0.012 0.084 -0.003 -0.027 0.217 0.24 0.03 0.074 0.235 CLINT 1 CLINTDD 2 0.112 0.183 0.09 -0.003 0.062 -0.001 -0.025 0.209 0.247 0.023 0.059 0.234 CLINT 1 CLINTSE 6 0.1 0.169 0.09 -0.01 0.055 -0.045 -0.054 0.238 0.24 -0.009 0.035 0.223 CMAandFDU 2 FengshunHybrid 3 0.109 0.18 0.092 0.01 0.016 0.013 0.021 0.17 0.154 0.067 0.068 0.196 CMAandFDU 2 FengshunAdjust 4 0.108 0.162 0.107 0.013 0.006 0.067 0.061 0.167 0.082 0.096 0.074 0.145 CMAandFDU 2 Fengshun 16 0.05 0.049 0.036 -0.016 0.164 0.011 0.008 0.112 0.02 -0.085 0.099 0.11 LP 3 LPM 5 0.106 0.173 0.088 -0.012 0.054 0.008 -0.035 0.16 0.159 0.063 0.088 0.214 AIFS 4 AIFSgaia 7 0.098 0.171 0.073 -0.065 0.028 -0.006 -0.062 0.171 0.142 0.012 0.081 0.215 AIFS 4 AIFShera 11 0.085 0.133 0.065 -0.065 0.074 -0.009 -0.082 0.139 0.046 0.064 0.099 0.174 AIFS 4 AIFSthalassa 12 0.077 0.14 0.06 -0.048 0.016 -0.035 -0.067 0.192 0.018 0.048 0.055 0.159 MicroEnsemble 5 Huracan 8 0.094 0.16 0.06 0.001 -0.005 0.036 0.002 0.16 0.169 0.036 0.022 0.207 MicroEnsemble 5 MicroDuet 9 0.089 0.156 0.067 0.024 -0.036 0.026 0.017 0.139 0.129 0.1 0.022 0.202 MicroEnsemble 5 StillLearning 14 0.067 0.119 0.074 0.023 -0.042 0.003 0.03 0.104 0.095 0.094 0.018 0.2 JR 6 slowMamba 10 0.085 0.143 0.06 -0.006 0.098 -0.073 0.055 0.177 0.105 -0.003 0.063 0.144 scienceAI 7 zephyr 13 0.069 0.09 0.088 -0.027 0.028 0.01 0.102 0.144 0.087 0.019 0.057 0.115 scienceAI 7 ngcm 15 0.065 0.068 0.108 -0.019 0.084 -0.037 0.112 0.092 0.072 -0.031 0.126 0.12 scienceAI 7 findforecast 24 -0.019 -0.053 0.021 -0.063 -0.046 0.048 0.021 0.028 -0.048 -0.086 -0.031 -0.033 IgnisNeuralis42 8 GCast42 17 0.041 0.042 0.069 -0.051 0.015 0.052 0.12 0.108 0.027 -0.028 0.016 0.043 UWAtmosNVIDIA 9 DLESyMS2Sv1 18 0.03 0.037 0.013 -0.064 0.034 0.035 -0.033 0.073 -0.08 0.01 0.039 0.099 CliMA 10 CliMAWeather 19 0.019 0.038 0.006 0.0 -0.054 0.024 0.016 0.01 0.049 0.041 -0.014 0.026 CliMA 10 CliMAWeather2 26 -0.019 -0.029 0.013 -0.001 -0.089 0.008 0.073 -0.019 -0.045 0.017 -0.052 -0.009
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 FengshunAdjust 1 0.095 0.147 0.058 0.058 0.012 0.078 0.048 0.071 0.041 0.147 0.116 0.161 CMAandFDU 1 FengshunHybrid 2 0.086 0.134 0.053 0.068 0.028 0.064 0.05 0.084 0.045 0.098 0.106 0.147 CMAandFDU 1 Fengshun 13 0.04 0.084 -0.017 0.071 0.005 0.053 -0.156 0.147 0.035 0.059 -0.019 0.125 AIFS 2 AIFSgaia 3 0.067 0.08 0.064 0.027 0.043 0.043 -0.002 0.123 -0.008 0.063 0.098 0.12 AIFS 2 AIFShera 11 0.042 0.038 0.049 0.019 0.053 0.047 0.04 0.082 -0.022 0.002 0.083 0.05 AIFS 2 AIFSthalassa 23 -0.003 -0.07 0.063 0.072 0.006 0.015 0.017 0.077 -0.161 -0.073 0.055 0.041 MicroEnsemble 3 MicroDuet 4 0.066 0.11 0.042 0.065 -0.023 0.063 0.053 0.045 0.04 0.048 0.072 0.136 MicroEnsemble 3 Huracan 5 0.059 0.104 0.029 0.058 -0.003 0.049 0.005 0.055 0.015 0.041 0.076 0.146 MicroEnsemble 3 StillLearning 9 0.054 0.082 0.049 0.075 -0.026 0.043 0.054 0.037 0.026 0.034 0.077 0.139 CLINT 4 CLINTDD 6 0.058 0.094 0.023 0.083 0.013 0.018 -0.048 0.08 -0.012 0.073 0.061 0.143 CLINT 4 CLINTMF 7 0.058 0.091 0.031 0.081 0.011 0.012 -0.045 0.089 -0.02 0.069 0.068 0.144 CLINT 4 CLINTSE 12 0.04 0.086 -0.001 0.086 0.001 -0.018 -0.07 0.07 -0.011 0.055 0.03 0.141 JR 5 slowMamba 8 0.056 0.065 0.064 0.088 0.082 -0.031 0.061 0.117 -0.017 0.058 0.07 0.112 LP 6 LPM 10 0.051 0.097 0.015 0.056 0.005 0.042 -0.018 0.043 0.022 0.037 0.071 0.112 UWAtmosNVIDIA 7 DLESyMS2Sv1 14 0.037 0.041 0.023 -0.016 0.057 0.079 0.044 0.036 0.026 0.083 0.025 0.045 scienceAI 8 zephyr 15 0.033 0.028 0.045 0.048 -0.007 0.044 0.04 0.081 0.008 -0.039 0.03 0.04 scienceAI 8 ngcm 18 0.017 0.002 0.057 0.028 0.026 -0.04 0.038 0.069 -0.033 -0.066 0.058 0.038 scienceAI 8 findforecast 25 -0.025 -0.067 0.008 -0.0 -0.023 0.04 0.025 0.011 -0.046 -0.1 -0.023 -0.083 SBUHybrid 9 HybridPPx 16 0.02 0.054 0.002 -0.02 -0.001 -0.013 -0.087 0.087 0.002 0.05 0.026 -0.063 SBUHybrid 9 HybridAC 24 -0.005 0.024 -0.032 -0.011 -0.081 -0.0 -0.132 0.039 0.021 0.041 -0.029 -0.124 IgnisNeuralis42 10 GCast42 17 0.019 0.036 0.011 -0.037 -0.081 0.11 0.024 -0.013 -0.023 0.052 0.015 -0.001
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)
