TIGGE Z500 forecast skill variability

Score:
ACC RMSE

Verified against:
own analysis (Oct2006-Nov2023)
ERA5 (Oct2006-Oct2023)

Area:
NH (20-90N)
SH (20-90S)
Tropics (20S-20N)
North Pole (65-90N)
NH midlatitude (20-60N)
South Pole (65-90S)
SH midlatitude (20-60S)
Euro-Atl. (30-80N,90W-40E)
East Asia (20-60N,100-170E)
Pacific (20-80N,120E-60W)
Aus-New Zea. (70-10S,60E-160W)
South America (85-25S,120-20W)

Horizontal axis:
initial time valid time

Year:
2023 2022
2021 2020 2019
2018 2017 2016
2015 2014 2013
2012 2011 2010
2009 2008 2007
2006

Month:
Jan  Feb  Mar
Apr May Jun
Jul  Aug  Sep
Oct Nov  Dec

Forecast hour:
+000hr +024hr +048hr
+072hr +096hr +120hr
+144hr +168hr +192hr
+216hr +240hr +264hr
+288hr +312hr +336hr
+360hr

    Daily scores for each year

    Seasonal mean scores

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