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WGNE QPF VERIFICATION over Japan Sep2009 – Aug2010

WGNE QPF VERIFICATION over Japan Sep2009 – Aug2010. 21 Oct 2010 WGNE-26 at Tokyo. Day 3, over 1mm/24hr Bias Score(Left), ETS(Right). Day 3, over 10mm/24hr Bias Score(Left), ETS(Right). Bias Score JJA. Equitable threat score JJA. Bias Score DJF. Equitable threat score DJF.

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WGNE QPF VERIFICATION over Japan Sep2009 – Aug2010

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  1. WGNE QPF VERIFICATIONover JapanSep2009 – Aug2010 21 Oct 2010 WGNE-26 at Tokyo

  2. Day 3, over 1mm/24hrBias Score(Left), ETS(Right)

  3. Day 3, over 10mm/24hrBias Score(Left), ETS(Right)

  4. Bias Score JJA Equitable threat score JJA Bias Score DJF Equitable threat score DJF

  5. Bias Score 2007JJA – 2010JJA 2007 JJA 2008 JJA 2009 JJA 2010 JJA

  6. Effect of DCAPE as a trigger function of AS scheme in Jan 2008 Bias Score ●TL959Routine ●TL319WithDCAPE ●TL319NoDCAPE 2008/08/26～2008/09/10 Impact Experiment With/Without DCAPE(Dynamic CAPE) http://collaboration.cmc.ec.gc.ca/science/wgne/BlueBook/2008/individual-articles/04_Nakagawa_Masayuki___30330.pdf

  7. Effect of DCAPE as a trigger function of AS scheme in Jan 2008Forecast/Observation frequency 2008/08/26～2008/09/10 ●TL959Routine ●TL319WithDCAPE ●TL319NoDCAPE Impact Experiment With/Without DCAPE(Dynamic CAPE) http://collaboration.cmc.ec.gc.ca/science/wgne/BlueBook/2008/individual-articles/04_Nakagawa_Masayuki___30330.pdf

  8. Bias Score JJA Equitable threat score JJA Bias Score DJF Equitable threat score DJF

  9. Thank you • WEB PAGE • http://nwp-verif.kishou.go.jp/wgne_precip/index.html • CONTACT • nwp_verif@naps.kishou.go.jp

  10. 以下、予備知識です。あとで削除願います。

  11. Data and Verification Method • Verification grid • 80km x 80km • Reference data (Observations) • Amount of precipitation observed by raingauges • Verified data (QPFs data) • Please see next page. • Converting method • High resolution QPFs and Observations • Simple Average • Low resolution QPFs • Interpolation • Verification method • Bias Score • Equitable thread score -About 1300 stations over Japan -It corresponds to17km x 17km horizontal resolution.

  12. Data Specifications (~ Sep. 2010)

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