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Verification of LM @ DWD

Verification of LM @ DWD. Ulrich Damrath & Ulrich Pflüger. Verification activities. Operational verification surface weather elements (SYNOP) precipitation (high density network) verification of vertical profiles using TEMPs and AMDARs. Verification activities.

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Verification of LM @ DWD

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  1. Verification of LM @ DWD Ulrich Damrath & Ulrich Pflüger

  2. Verification activities • Operational verification • surface weather elements (SYNOP) • precipitation (high density network) • verification of vertical profiles using TEMPs and AMDARs COSMO General Meeting Zürich September 2005

  3. Verification activities • Preoperational verification & research • verification of LME • verification of precipitation forecasts using the pattern recognition method by Ebert • suggestion about common verification procedures in the future COSMO General Meeting Zürich September 2005

  4. Verification of surface weather elements: Time series of BIAS T2m of FCs valid 6 UTC COSMO General Meeting Zürich September 2005

  5. Verification of surface weather elements: Time series of RMSE T2m of FCs valid 6 UTC COSMO General Meeting Zürich September 2005

  6. Verification of surface weather elements: Time series of BIAS T2m of FCs valid 18 UTC COSMO General Meeting Zürich September 2005

  7. Verification of surface weather elements: Time series of RMSE T2m of FCs valid 18 UTC COSMO General Meeting Zürich September 2005

  8. Verification of surface weather elements: Time series of TSS RR> 2 mm/6h of FCs valid 18 UTC COSMO General Meeting Zürich September 2005

  9. Verification of surface weather elements: Time series of TSS RR> 10 mm/6h of FCs valid 18 UTC COSMO General Meeting Zürich September 2005

  10. Verification of surface weather elements: Time series of scores for QPF over Germany COSMO General Meeting Zürich September 2005

  11. Verification of surface weather elements: Mean observations and forecasts SON 2004 00 UTC H < 800 m COSMO General Meeting Zürich September 2005

  12. Verification of surface weather elements: Mean observations and forecasts SON 2004 00 UTC H > 800 m COSMO General Meeting Zürich September 2005

  13. Verification of surface weather elements: Mean observations and forecasts DJF 2004/05 00 UTC H < 800 m COSMO General Meeting Zürich September 2005

  14. Verification of surface weather elements: Mean observations and forecasts MAM 2005 00 UTC H < 800 m COSMO General Meeting Zürich September 2005

  15. Verification of surface weather elements: Mean observations and forecasts JJA 2005 00 UTC H < 800 m COSMO General Meeting Zürich September 2005

  16. Verification of surface weather elements: Mean observations and forecasts JJ 2005 12 UTC H < 800 m COSMO General Meeting Zürich September 2005

  17. Verification of surface weather elements: Mean observations and forecasts JJA 2005 12 UTC H < 800 m COSMO General Meeting Zürich September 2005

  18. Verification of surface weather elements: Verification of QPF using high density network, Grid of GME COSMO General Meeting Zürich September 2005

  19. Verification of surface weather elements: Verification of QPF using high density network, Grid of LM 2002 COSMO General Meeting Zürich September 2005

  20. Verification of surface weather elements: Verification of QPF using high density network, Grid of LM 2003 COSMO General Meeting Zürich September 2005

  21. Verification of surface weather elements: Verification of QPF using high density network, Grid of LM 2004 COSMO General Meeting Zürich September 2005

  22. Verification of surface weather elements: Verification of QPF using CRA method: January 2005 COSMO General Meeting Zürich September 2005

  23. Verification of surface weather elements: Verification of QPF using CRA method: January 2005, region 1 COSMO General Meeting Zürich September 2005

  24. Verification of surface weather elements: Verification of QPF using CRA method: January 2005, region 2 COSMO General Meeting Zürich September 2005

  25. Verification of surface weather elements: Verification of QPF using CRA method: January 2005, region 3 COSMO General Meeting Zürich September 2005

  26. Verification of surface weather elements: Verification of QPF using CRA method: January 2005, region 4 COSMO General Meeting Zürich September 2005

  27. Geopotential 17.12.2003 GME PseudoTemps 27.09.2003 New GME COSMO General Meeting Zürich September 2005

  28. Wind Velocity 17.12.2003 GME PseudoTemps 27.09.2003 New GME COSMO General Meeting Zürich September 2005

  29. Temperature 17.12.2003 GME PseudoTemps 27.09.2003 New GME COSMO General Meeting Zürich September 2005

  30. 16.09.2003 Prognostic Cloud Ice Relative Humidity COSMO General Meeting Zürich September 2005

  31. Verification of surface weather elements: Comparison of LM with LME, RMSE, ... COSMO General Meeting Zürich September 2005

  32. Verification of surface weather elements: Comparison of LM with LME, BIAS, ... COSMO General Meeting Zürich September 2005

  33. Verification of surface weather elements: Comparison of LME with LME Experiment, RMSE, ... COSMO General Meeting Zürich September 2005

  34. Verification of surface weather elements: Comparison of LME with LME Experiment, RMSE, ... 2.56 2.53 2.34 2.39 COSMO General Meeting Zürich September 2005

  35. Verification of surface weather elements: Comparison of LME with LME experiment, BIAS, ... COSMO General Meeting Zürich September 2005

  36. COSMO General Meeting Zürich September 2005

  37. COSMO General Meeting Zürich September 2005

  38. Using ODB as a tool within verification • Observational Data Base: data base filled with observations (used during assimilation cycle) and differences between observations and forecasts • requires special software to install and to run • enables introduction of sql-statements to extract observations and differences FC-OBS under any conditions (i.e. get surface temperature values [or errors] over the Alps in cases if inversion occures in Payerne between 1000 and 850 hPa) COSMO General Meeting Zürich September 2005

  39. That‘s all,thank you for your attention! COSMO General Meeting Zürich September 2005

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