Average performance of TAFs, by issuing office February 2013
  VFR Category Above IFR Alternate Category Below IFR Alternate Category
EC Weather Centre Location Correct Forecasts (hours) Total Forecasts (hours) VFR Reliability Index Correct Forecasts (hours) Total Forecasts (hours) Alternate Reliability Index False Alarms (hours) Total Forecasts (hours) Below Alternate False Alarm Ratio
Montreal 44195 50120 88% 50837 55491 92% 3889 9260 42%
Edmonton 59103 65816 90% 63160 68581 92% 3648 7965 46%
National 103298 115936 89% 113996 124072 92% 7536 17225 44%