11.07.2015 Views

Slide (460 kb) - Met Office

Slide (460 kb) - Met Office

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Summary of Conclusions –Post-processing24hr Accumulation Brier Skill Scores• Old updating “KFMOS”approach did not performwell for precipitation• Simple constant correctionperformed better mostmonths0.80.70.60.50.40.30.20.10FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUL TOTALmonth 2007-2008• Average ~+0.05 per month• Calibration furtherimproved• Average ~+0.02 per month• But note: BSS is not asimple average of months© Crown copyright <strong>Met</strong> <strong>Office</strong> MOSAC Paper 13.9, 14 Nov 20080.60.50.40.30.20.10RAW Bias Log Const antJAN FEB M AR APR M AY JUN JUL TOTALMonth 2008RAW RECAL KFM OS (-0.2) RAW_RECAL

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