powerpoint presentation - california€¦ · 15 table 1: redondo beach pier - summer 2017 fib...
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FP TP
FNTN
Thoe et al. (2015)
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Summer 2017 Beaches
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Table 1: Cowell Beach - Summer 2017 FIB Sample Data
FIB FC ENT
Number of Monitoring
Samples26 26
Exceedances of SSS 11 1
Percentage of Samples
Exceeding SSS42% 4%
Table 2: Cowell Beach
Summer 2017 Overall Model Performance
NowCast Current Method
FC – MLR
Sensitivity 73% 64%
Specificity 67% 73%
ENT - MLR
Sensitivity 0% 0%
Specificity 92% 96%
Additional Predictions Days Beyond
what the Current Method Provides 123
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Table 1: Redondo Beach Pier - Summer 2017 FIB Sample Data
FIB TC FC ENT
Number of Monitoring
Samples25 25 25
Exceedances of SSS 0 2 0
Percentage of Samples
Exceeding SSS0% 8% 0%
Table 2: Redondo Beach Pier
Summer 2017 Overall Model Performance
NowCast Current Method
TC – MLR
Sensitivity NA NA
Specificity 84% 100%
FC – MLR/BLR
Sensitivity 50% 0%
Specificity 87% 91%
ENT – MLR/BLR
Sensitivity NA NA
Specificity 92% 100%
Additional Predictions Days Beyond
what the Current Method Provides 151
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Table 1: East Beach - Summer 2017 FIB Sample Data
FIB TC FC ENT
Number of Monitoring
Samples31 31 31
Exceedances of SSS 2 1 1
Percentage of Samples
Exceeding SSS6% 3% 3%
Table 2: East Beach - Summer 2017 Overall Model Performance
NowCast Current Method
TC – MLR
Sensitivity 100% 0%
Specificity 93% 93%
FC – MLR/BLR
Sensitivity 0% 0%
Specificity 83% 97%
ENT – MLR/BLR
Sensitivity 100% 0%
Specificity 83% 97%
Additional Predictions Days Beyond
what the Current Method Provides 176
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Ryan Searcy
Beach Water Quality Modeler
310-451-1500 x 111
More Information:
beachreportcard.org
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Surfline.com
Surfline.com