2001(OCT) -2002 (JUN) NWS TAUNTON GALE AND STORM MARINE WARNING STATISTICS


GALE WARNINGS

 

FALSE ALARM RATIO (FAR) =  37 %

( 0 is best )                  

PROBABILITY OF DETECTION (POD) = 87 %

( 100 % is best)           

CRITICAL SUCCESS INDEX (CSI) = 59 %

( 100 % is best) 

AVERAGE LEAD TIME:   16.3 hours


* STORM FORCE WINDS WERE NOT OBSERVED 2001-2002 (OCT-JUN).


INDIVIDUAL MARINE ZONE STATISTICS


BOSTON HARBOR

FAR = 43 %    POD = 80 %  CSI = 57 %


NARRAGANSETT BAY

FAR = 73 %   POD = 44 %   CSI = 25 % 

COASTAL WATERS

FAR = 32 %   POD = 95 %   CSI = 65 %

DEFINITIONS

 

FALSE ALARM RATIO: UNVERIFIED WARNINGS 

                                                TOTAL WARNINGS


PROBABILITY OF DETECTION: WARNED EVENTS 

                                                             TOTAL EVENTS 

CRITICAL SUCCESS INDEX: WARNED EVENTS 

                                                        TOTAL EVENTS +                    

                                                       UNVER WRNGS 

GALE WARNING: Sustained and/or gusts from 34 kts to 47 kts for more than 2 hours.


STORM WARNING: Sustained and/or gusts greater than 47 kts for more than 2 hours.