Select Frequency and Metric: Frequency: MonthlyYearly

Metric: Anomaly Correlation CoefficientMean Error (Bias)Root Mean Square Error

Select Plot Type and Models: Plot Type: Time Series (with difference)Forecast Day by Valid DateUseful Forecast Day Time Series

Models: All ModelsGFS/ECMWFGFS - 4 Cycles

Select Date Range, Hour, and Forecast Day: Date Range: All YearsPast 10 Years

Hour: Valid 00Z

Forecast Day: Day 0Day 1Day 2Day 4Day 5Day 6Day 7Day 8Day 9Day 10

Select Variable and Region: Variable: Geopotential Height

Level: 1000 hPa500 hPa

Region: Northern HemisphereSouthern Hemisphere