Impact of initial conditions and model resolution - NOAA

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U200 averaged between 20S-20N: climatologies subtracted v2 x Climatological Forecast CDAS initialized T62 hindcasts are the worst Because we validate against CDAS (starting from 06Z) GDAS initialized T254 hindcasts are the best Lead times from 0 to 25 days
U200 averaged between 20S-20N climatologies subtracted We still can distinguish the hindcasts as a function of resolution. v2 x Climatological Forecast (i.e., anomaly=0) Lead times from 25 to 57 days
Page 1 and 2: Experiments conducted under NOAA’
Page 3 and 4: Dynamical Forecasting: from Weather
Page 5 and 6: Currently: Weather forecast (GFS) i
Page 7 and 8: Issues : Initialization • Is it b
Page 9 and 10: Retrospective forecast design: May
Page 11: U200 averaged between 20S-20N: no c
Page 15 and 16: Impact to more local features • W
Page 17 and 18: In fact, the northward shift of the
Page 19 and 20: For more details on subseasonal for
Page 21 and 22: Mean August Precipitation The mean
Page 23 and 24: OBS T254 T126 Monsoon and SE areas
Page 25 and 26: Forecast of August monthly Precipit
Page 27 and 28: OBS August 2002: weak tropical acti
Page 29 and 30: Some conclusions • The model capt
Page 31: Monthly anomalies over the oceans a

Impact of initial conditions and model resolution - NOAA

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