NCEP Air Quality Forecast Verification

NWS/OST AQF Page AQF Forecasts/Information
Change FVS type: Standard O3 Statistics       Threshold O3 Statistics Standard PM Statistics
Select fields/species: PM25
Select time: Current     Summer 2010 Retros 2010 Summer 2009 Summer 2008
Select Run Cycle 06 UTC     12 UTC
Select region: Whole domain Eastern U.S. Western U.S. NE Coast SE Coast Mid west Lower Miss-valley Northern Plains Southern Plains Southwest Desert Northwest Coast Southwest Coast All regions PARA
Select averaged hour: 1 hr sfc average                 24 hr sfc average Daily Max 24 hr sfc average
Select forecast four: Diurnal period       Day 1 Daily Max Day 2 Daily Max 06 hr 09 hr 12 hr 30 hr 33 hr 36 hr
Select statistic type: Bias RMSE Corr RMSE and Bias Combined Obs Mean Observed and Forecast Mean
Verification Regions
Verification score definitions
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