TAF performance measurement results for TAFs issued during July 2012
Canadian Meteorological Aviation Centre/East (Montreal)
Station VFR Category Above IFR Alternate Category Below IFR Alternate Category
Station Station Type 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
Baie Comeau NCA 839 878 96% 876 922 95% 22 60 37%
Bathurst CWO 561 612 92% 565 622 91% 12 45 26%
Big Trout Lake NCA 882 928 95% 886 929 95% 27 51 NSS
Blanc Sablon CWO 597 718 83% 637 755 84% 146 404 36%
Buttonville CWO 941 948 99% 946 950 100% 10 11 NSS
Cartwright CWO 793 895 89% 782 874 89% 74 174 43%
Chapleau CWO 436 448 97% 436 448 97% 15 22 NSS
Charlottetown ATS 788 836 94% 838 867 97% 24 51 NSS
Chibougamau-Chapais CWO 424 427 99% 430 431 100% 10 11 NSS
Churchill Falls NCA 814 840 97% 851 864 98% 10 12 NSS
Deer Lake NCH 809 846 96% 820 856 96% 10 24 NSS
Dorval CWO 1560 1570 99% 1584 1585 100% 1 1 NSS
Dryden NCA 813 849 96% 866 884 98% 18 26 NSS
Earlton NCA 407 416 98% 412 416 99% 5 5 NSS
Fredericton NCA 796 881 90% 896 925 97% 30 42 NSS
Gander NCH 784 933 84% 1016 1078 94% 30 88 34%
Gaspé CWO 834 895 93% 861 901 96% 32 80 40%
Gatineau ATS 404 407 99% 404 407 99% 3 4 NSS
Geraldton CWO 899 952 94% 917 965 95% 20 36 NSS
Gore Bay NCA 372 374 99% 373 375 100% 6 9 NSS
Halifax ATS 1272 1399 91% 1456 1548 94% 76 217 35%
Hamilton NCH 886 890 99% 897 899 100% 3 3 NSS
Havre St Pierre NCA 787 892 88% 812 905 90% 67 154 43%
Îles de la Madeleine ATS 535 569 94% 547 584 94% 20 60 34%
Inukjuak AWOS/CARS 595 780 76% 668 845 79% 104 352 30%
Ivujivik CARS 138 158 87% 143 163 88% 11 44 NSS
Kapuskasing CWO 874 921 95% 891 939 95% 42 73 58%
Kenora ATS 878 929 95% 901 941 96% 17 34 NSS
Kingston NCH 565 583 97% 582 587 99% 5 5 NSS
Kuujjuaq ATS 761 822 93% 866 893 97% 30 40 NSS
Kuujjuarapik CWO 490 632 77% 528 687 77% 137 631 22%
La Grande IV NCA 210 259 81% 245 279 88% 29 55 NSS
La Grande Rivière ATS 594 812 73% 676 893 76% 94 430 22%
London NCH 900 904 100% 910 911 100% 7 7 NSS
Marathon CWO 173 183 94% 173 183 94% 5 32 NSS
Mary's Harbour AWOS/CWO 530 584 91% 554 595 93% 39 109 36%
Mirabel ATS 832 862 97% 867 879 99% 3 4 NSS
Moncton NCA 742 797 93% 838 863 97% 19 43 NSS
Mont-Joli ATS 805 901 89% 817 911 90% 31 90 35%
Moosonee NCA 383 388 99% 390 393 99% 9 10 NSS
Muskoka NCA 536 542 99% 536 542 99% 5 7 NSS
Nain CWO 350 390 90% 285 316 90% 55 193 29%
Natashquan AWOS 755 832 91% 769 845 91% 69 184 38%
North Bay CWO 819 858 95% 858 891 96% 20 39 NSS
Ottawa NCH 1533 1540 100% 1557 1558 100% 1 1 NSS
Peterborough NCA 592 601 98% 595 602 99% 24 31 NSS
Pickle Lake NCH 410 411 100% 410 411 100% 5 6 NSS
Puvirnituq CARS 146 178 82% 154 184 84% 14 36 NSS
Quaqtaq CARS 91 104 88% 98 110 89% 15 53 NSS
Quebec City ATS 833 878 95% 868 899 97% 12 22 NSS
Red Lake NCH 580 585 99% 587 589 100% 9 14 NSS
Roberval CWO 574 575 100% 578 578 100% 1 1 NSS
Rouyn-Noranda ATS 853 900 95% 868 916 95% 26 49 NSS
Sable Island AWOS 209 269 77% 209 269 77% 92 299 31%
Saint John NCH 714 814 88% 845 919 92% 50 157 32%
Sarnia NCA 584 590 99% 592 594 100% 2 2 NSS
Sault Ste Marie NCH 870 892 98% 901 918 98% 20 33 NSS
Schefferville AWOS 811 863 94% 843 882 96% 26 39 NSS
Sept-Îles ATS 804 851 94% 827 890 93% 20 81 25%
Sherbrooke NCA 442 457 97% 458 466 98% 5 7 NSS
Sioux Lookout ATS 826 856 97% 867 882 98% 12 16 NSS
St Anthony NCA 769 889 86% 805 924 87% 85 253 33%
St Catharines NCH 235 235 100% 235 235 100% 1 2 NSS
St Hubert NCA 837 855 98% 853 863 99% 5 6 NSS
St John's NCH 682 778 88% 909 990 92% 80 213 37%
Stephenville CWO 846 885 96% 907 921 98% 25 33 NSS
Sudbury CWO 819 839 98% 845 860 98% 2 19 NSS
Sydney CWO 727 856 85% 826 932 89% 82 207 40%
Tasiujaq CARS 133 139 95% 136 143 95% 4 16 NSS
Thunder Bay NCH 857 894 96% 898 919 98% 19 23 NSS
Timmins NCH 828 894 93% 892 934 95% 18 34 NSS
Toronto City Centre NCA 918 929 99% 936 942 99% 10 12 NSS
Toronto LBPI CWO 1664 1667 100% 1679 1680 100% 0 0 NSS
Val-d'Or NCA/ATS 814 847 96% 868 885 98% 14 27 NSS
Wabush ATS 844 853 99% 888 888 100% 1 1 NSS
Waskaganish CARS 128 134 95% 139 144 96% 8 11 NSS
Waterloo/Wellington NCA 622 625 100% 633 634 100% 8 9 NSS
Wawa CWO 246 254 97% 241 250 96% 20 31 NSS
Wiarton CWO 403 411 98% 404 412 98% 4 7 NSS
Windsor CWO 944 982 96% 986 1001 99% 17 19 NSS
Yarmouth NCH 669 737 91% 715 803 89% 115 360 32%
Canadian Meteorological Aviation Centre/West (Edmonton)
Station VFR Category Above IFR Alternate Category Below IFR Alternate Category
Station Station Type Correct Forecasts (hours) Total Forecasts (hours) Reliability Index Correct Forecasts (hours) Total Forecasts (hours) Alternate Reliability Index Incorrect Forecasts (hours) Total Forecasts (hours) *Below Alternate False Alarm Ratio
Abbotsford NCH 834 863 97% 856 878 97% 26 33 NSS
Arctic Bay AWS 116 119 98% 108 114 95% 11 12 NSS
Arviat AWOS/CARS 737 837 88% 765 881 87% 64 185 35%
Baker Lake CARS 837 855 98% 857 868 99% 15 23 NSS
Bella Bella NCA 371 401 92% 328 379 87% 41 103 40%
Brandon ATS 894 907 99% 920 931 99% 4 6 NSS
Buffalo Narrows CWO 441 449 98% 450 452 100% 5 5 NSS
Burwash NCA/NCH 814 822 99% 750 772 97% 45 54 NSS
Calgary Intl NCH 1708 1736 98% 1753 1758 100% 3 4 NSS
Cambridge Bay CARS 767 866 89% 809 897 90% 25 80 31%
Campbell River ATS 375 390 96% 387 401 97% 9 15 NSS
Cape Dorset NCA/CARS 700 785 89% 700 785 89% 107 186 57%
Castlegar ATS 422 424 99% 412 415 99% 12 12 NSS
Churchill NCH 865 932 93% 907 971 93% 18 57 32%
Clyde River AWOS/CARS 544 752 72% 552 752 73% 110 328 33%
Coral Harbour CARS 702 815 86% 719 833 86% 79 193 41%
Cranbrook ATS 855 863 99% 860 865 99% 1 2 NSS
Dauphin NCA 857 886 97% 888 906 98% 34 47 NSS
Dawson City CARS 377 383 98% 365 378 97% 6 12 NSS
Dawson Creek NCA 396 397 100% 397 397 100% 2 2 NSS
Deline CARS 159 161 99% 161 163 99% 5 6 NSS
Edmonton Intl NCH 1715 1795 96% 1882 1890 100% 10 12 NSS
Edmonton Muni AWOS 986 1057 93% 1056 1103 96% 16 31 NSS
Estevan CWO 384 391 98% 384 391 98% 7 14 NSS
Eureka CWO 399 400 100% 401 402 100% 5 5 NSS
Faro CARS 386 388 100% 368 374 98% 18 20 NSS
Fort Chipewyan NCA 180 187 96% 182 188 97% 11 14 NSS
Fort Good Hope CARS 193 194 100% 195 195 100% 1 1 NSS
Fort McMurray NCA 898 962 93% 966 1011 96% 6 7 NSS
Fort McPherson CARS 147 148 99% 149 150 99% 3 3 NSS
Fort Nelson ATS 831 845 98% 833 848 98% 1 12 NSS
Fort Simpson CARS 818 819 100% 823 823 100% 0 0 NSS
Fort Smith CARS 837 860 97% 856 872 98% 11 18 NSS
Fort St John ATS 852 867 98% 866 877 99% 0 6 NSS
Gillam CWO 908 946 96% 926 965 96% 8 24 NSS
Gjoa Haven AWOS/CARS 730 878 83% 794 918 87% 63 186 34%
Grande Prairie ATS 919 923 100% 929 933 100% 1 3 NSS
Hall Beach AWOS/CARS 637 738 86% 644 751 86% 74 230 32%
Hay River CARS 836 860 97% 843 863 98% 7 20 NSS
High Level NCA 825 900 92% 836 903 93% 40 83 49%
Holman CARS 159 161 99% 163 163 100% 0 0 NSS
Igloolik CARS 153 173 88% 156 175 89% 10 18 NSS
Inuvik ATS/AA 823 879 94% 876 912 96% 21 28 NSS
Iqaluit ATS/AA 721 818 88% 810 915 88% 89 214 42%
Island Lake CWO 944 981 96% 982 1009 97% 6 10 NSS
Kamloops ATS 870 870 100% 866 868 100% 2 2 NSS
Kelowna NCA 764 764 100% 764 764 100% 2 2 NSS
Key Lake NCA 418 438 96% 451 457 99% 5 6 NSS
Kugaaruk CARS 209 224 93% 212 224 95% 15 24 NSS
Kugluktuk CARS 808 868 93% 817 877 93% 17 37 47%
La Ronge ATS 892 892 100% 892 892 100% 20 20 NSS
Lethbridge NCH/AWOS 882 927 95% 919 951 97% 9 18 NSS
Lloydminster NCH/NCA 851 931 91% 878 946 93% 51 100 52%
Lutselk'e CARS 132 132 100% 136 136 100% 2 2 NSS
Lynn Lake NCA 864 907 95% 893 925 97% 12 19 NSS
Mackenzie NCA 600 605 99% 600 605 99% 6 9 NSS
Masset CWO 171 221 78% 192 240 80% 24 54 44%
Mayo CARS 835 842 99% 791 827 96% 10 17 NSS
Medicine Hat NCH/NCA 858 868 99% 865 870 99% 8 9 NSS
Nanaimo ATS 406 409 99% 406 410 99% 6 7 NSS
Norman Wells ATS 847 852 99% 849 854 99% 1 2 NSS
North Battleford NCA 866 903 96% 896 918 98% 30 39 NSS
Norway House NCA 825 829 99% 828 832 100% 5 6 NSS
Old Crow CARS 374 378 99% 365 370 99% 10 13 NSS
Pangnirtung LWIS/CARS 151 162 93% 101 131 77% 21 58 NSS
Paulatuk CARS 163 164 100% 166 166 100% 6 7 NSS
Peace River ATS 838 869 96% 870 882 99% 11 19 NSS
Penticton NCH 939 939 100% 929 935 99% 2 4 NSS
Pond Inlet AWOS/CARS 712 767 93% 717 773 93% 96 142 67%
Port Hardy ATS 836 874 96% 900 926 97% 30 53 NSS
Prince Albert ATS 938 977 96% 1027 1039 99% 29 34 NSS
Prince George NCA 780 808 97% 795 817 97% 14 24 NSS
Prince Rupert NCA 733 906 81% 847 975 87% 58 147 39%
Qikiqtarjuaq AWOS/CARS 525 695 75% 446 548 81% 100 451 22%
Quesnel NCA 424 447 95% 424 443 96% 14 34 NSS
Rae Lake CARS 172 175 98% 173 175 99% 4 5 NSS
Rankin Inlet ATS 750 808 93% 792 855 93% 48 171 28%
Red Deer ATS 907 966 94% 941 983 96% 11 34 NSS
Regina ATS/AA 914 966 95% 974 1004 97% 13 28 NSS
Repulse Bay CARS 120 128 94% 124 131 94% 2 7 NSS
Resolute CARS 684 768 89% 755 845 89% 62 147 42%
Sachs Harbour CARS 162 178 91% 168 179 93% 2 8 NSS
Sandspit NCA 786 896 88% 904 969 93% 35 58 60%
Saskatoon NCH 914 944 97% 964 985 98% 13 22 NSS
Slave Lake NCA 846 904 94% 857 912 94% 35 57 60%
Smithers NCH/NCA 396 405 98% 396 405 98% 3 6 NSS
Springbank CWO 486 506 96% 507 515 98% 2 4 NSS
Stony Rapids NCA 846 877 96% 858 880 97% 33 39 NSS
Swift Current NCA 843 876 96% 854 883 97% 21 67 NSS
Taloyoak CARS 750 834 90% 779 851 92% 40 87 46%
Terrace ATS 786 800 98% 802 805 100% 5 7 NSS
Teslin CARS 384 384 100% 384 384 100% 0 0 NSS
The Pas CWO 867 885 98% 876 895 98% 11 15 NSS
Thompson ATS 891 917 97% 913 930 98% 11 18 NSS
Tofino CWO 281 334 84% 297 355 84% 46 109 43%
Tuktoyaktuk CARS 351 391 90% 375 398 94% 24 43 NSS
Vancouver CWO 1571 1583 99% 1602 1602 100% 2 2 NSS
Victoria CWO 839 863 97% 847 864 98% 5 15 NSS
Victoria Harbour ATS 401 411 98% 413 416 99% 2 2 NSS
Watson Lake CARS 827 831 99% 830 833 100% 0 1 NSS
Whitecourt ATS 187 200 93% 204 224 91% 4 12 NSS
Whitehorse ATS 770 772 100% 773 773 100% 0 0 NSS
Williams Lake ATS 899 914 98% 899 914 98% 8 14 NSS
Winnipeg ATS/AA 862 887 97% 912 913 100% 3 4 NSS
Yellowknife ATS 842 868 97% 867 875 99% 2 4 NSS
Yorkton NCA 576 615 94% 597 624 96% 12 22 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable