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Mick McGuire Christina Henderson Kelly Ranae Giedd-James
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Event Forecast Event ObservedMarginal Total YesHits (a) False Alarms (b)a+b NoMisses (c) Correct Neg. (d) c+d Marginal Totala+cb+d a+b+c+d =n Total
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Event Forecast Event ObservedMarginal Total YesHits (a) False Alarms (b)a+b NoMisses (c) Correct Neg. (d)c+d Marginal Totala+cb+d a+b+c+d =n Total http://www.bom.gov.au/bmrc/wefor/staff/eee/verif/Finley/Finley_Tornados.html
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http://www.nws.noaa.gov/mirs/public/prods/reports/pdf/office_facility/10-507_cwfa_counties(cr).pdf
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Past storm reports http://www.spc.noaa.gov/climo/online/http://www.spc.noaa.gov/climo/online/
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Past storm reports http://www.spc.noaa.gov/climo/online/http://www.spc.noaa.gov/climo/online/ % DAYS SWX MJJA 2004-2008
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% PCPN SWX MJJA 2004-2008
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*
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POD = Hits / (Hits + Misses) 30% 25% 20% 15% 10% 5% % % % %
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POD = Hits / (Hits + Misses) ____ of the events that occurred were predicted to occur % % % % % % % % % % %
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FAR = False Alarms / (Hits + False Alarms)
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____ of the forecasts for swx turned out to be false alarms
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There was a ___% improvement in forecast accuracy when compared to random chance
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POD = Hits / (Hits + Misses) ____ of the events that occurred were predicted to occur % % % % % % % % % % % % %
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POD = Hits / (Hits + Misses) % % % % % % % % % %
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FAR = False Alarms / (Hits + False Alarms) ____ of the forecasts for swx turned out to be false alarms
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FAR = False Alarms / (Hits + False Alarms) ____ of the forecasts for swx turned out to be false alarms
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POD = Hits / (Hits + Misses) ____ of the events that occurred were predicted to occur % % % % % % % % % %
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POD = Hits / (Hits + Misses) ____ of the events that occurred were predicted to occur % % % % % % % % % % % %
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POD = Hits / (Hits + Misses) ____ of the events that occurred were predicted to occur % % % % % % % %
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FAR = False Alarms / (Hits + False Alarms) ____ of the forecasts for swx turned out to be false alarms
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FAR = False Alarms / (Hits + False Alarms) ____ of the forecasts for swx turned out to be false alarms
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There was a ___% improvement in forecast accuracy when compared to random chance
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