TAF performance measurement results for TAFs issued during September 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 743 790 94% 774 817 95% 51 85 60%
Bathurst CWO 537 561 96% 548 570 96% 15 78 19%
Big Trout Lake NCA 767 811 95% 797 827 96% 36 51 NSS
Blanc Sablon CWO 721 786 92% 759 818 93% 109 186 59%
Buttonville CWO 815 828 98% 820 833 98% 24 30 NSS
Cartwright CWO 722 727 99% 722 727 99% 6 9 NSS
Chapleau CWO 431 444 97% 431 444 97% 22 47 NSS
Charlottetown NCH 676 793 85% 794 888 89% 61 124 49%
Chibougamau-Chapais CWO 342 371 92% 364 388 94% 17 32 NSS
Churchill Falls NCA 710 782 91% 753 807 93% 50 108 46%
Deer Lake NCH 810 864 94% 915 945 97% 17 26 NSS
Dorval CWO 1427 1455 98% 1529 1530 100% 5 5 NSS
Dryden NCA 784 829 95% 830 861 96% 5 18 NSS
Earlton NCA 391 394 99% 399 400 100% 6 7 NSS
Fredericton NCA 716 804 89% 846 917 92% 68 167 41%
Gander NCH 690 795 87% 901 962 94% 32 90 35%
Gaspé CWO 780 812 96% 808 840 96% 51 95 53%
Gatineau ATS 390 414 94% 401 431 93% 3 26 NSS
Geraldton CWO 789 876 90% 807 890 91% 34 70 49%
Gore Bay NCA 383 384 100% 386 386 100% 3 3 NSS
Halifax NCH 971 1155 84% 1240 1422 87% 133 379 35%
Hamilton NCH 793 839 94% 846 871 97% 38 54 NSS
Havre St Pierre NCA 626 706 89% 649 721 90% 54 150 36%
Îles de la Madeleine ATS 512 546 94% 534 565 94% 49 82 NSS
Inukjuak AWOS/CARS 666 783 85% 722 840 86% 73 220 33%
Ivujivik CARS 117 149 78% 126 160 79% 20 58 NSS
Kapuskasing CWO 848 891 95% 868 909 95% 42 86 49%
Kenora ATS 757 774 98% 775 783 99% 7 9 NSS
Kingston NCH 556 575 97% 593 600 99% 8 10 NSS
Kuujjuaq ATS 774 831 93% 844 880 96% 33 60 NSS
Kuujjuarapik CWO 759 891 85% 843 961 88% 84 221 38%
La Grande IV NCA 215 225 96% 223 230 97% 19 26 NSS
La Grande Rivière ATS 619 756 82% 685 825 83% 83 284 29%
London NCH 795 841 95% 866 890 97% 28 44 NSS
Marathon CWO 167 180 93% 167 180 93% 4 18 NSS
Mary's Harbour AWOS/CWO 507 556 91% 523 572 92% 30 82 36%
Mirabel NCH 796 818 97% 870 878 99% 3 9 NSS
Moncton NCA/NCH 638 716 89% 830 885 94% 52 83 62%
Mont-Joli ATS 753 771 98% 755 773 98% 9 42 NSS
Moosonee NCA 419 440 95% 433 451 96% 7 22 NSS
Muskoka NCA 532 572 93% 551 580 95% 27 55 NSS
Nain CWO 382 404 95% 341 366 93% 25 91 27%
Natashquan AWOS 686 773 89% 726 797 91% 90 214 42%
North Bay CWO 811 881 92% 897 940 95% 49 75 NSS
Ottawa NCH 1470 1542 95% 1572 1611 98% 23 38 NSS
Peterborough NCA 571 590 97% 579 593 98% 34 51 NSS
Pickle Lake NCH 388 399 97% 400 408 98% 15 18 NSS
Puvirnituq CARS 146 176 83% 170 191 89% 18 32 NSS
Quaqtaq CARS 113 148 76% 117 153 76% 18 78 23%
Quebec City ATS 798 816 98% 848 859 99% 9 31 NSS
Red Lake NCH 522 549 95% 539 559 96% 21 29 NSS
Roberval CWO 540 582 93% 550 598 92% 9 26 NSS
Rouyn-Noranda ATS 748 829 90% 816 867 94% 55 109 50%
Sable Island AWOS 335 373 90% 335 373 90% 41 92 45%
Saint John NCH 559 712 79% 790 926 85% 126 291 43%
Sarnia NCA 559 579 97% 575 592 97% 3 7 NSS
Sault Ste Marie NCH 861 887 97% 886 911 97% 4 27 NSS
Schefferville AWOS 700 773 91% 757 809 94% 69 152 45%
Sept-Îles ATS 652 759 86% 718 811 89% 90 193 47%
Sherbrooke NCA 396 409 97% 408 419 97% 9 14 NSS
Sioux Lookout ATS 774 803 96% 785 813 97% 8 18 NSS
St Anthony NCA 769 841 91% 829 888 93% 59 97 60%
St Catharines NCH 214 226 95% 217 228 95% 8 10 NSS
St Hubert NCA 795 820 97% 853 856 100% 19 20 NSS
St John's NCH 670 739 91% 918 976 94% 63 137 46%
Stephenville CWO 832 850 98% 865 871 99% 5 6 NSS
Sudbury CWO 807 869 93% 878 901 97% 40 49 NSS
Sydney CWO 600 685 88% 716 795 90% 77 210 37%
Tasiujaq CARS 142 150 95% 153 159 96% 1 19 NSS
Thunder Bay NCH 760 770 99% 768 780 98% 6 15 NSS
Timmins NCH 756 837 90% 879 916 96% 37 54 NSS
Toronto City Centre NCA 809 821 99% 838 843 99% 14 15 NSS
Toronto LBPI CWO 1470 1499 98% 1511 1532 99% 3 15 NSS
Val-d'Or NCA/ATS 742 814 91% 869 920 94% 26 49 52%
Wabush ATS 813 883 92% 941 984 96% 36 74 48%
Waskaganish CARS 100 103 97% 109 110 99% 2 2 NSS
Waterloo/Wellington NCA 560 600 93% 598 619 97% 18 28 NSS
Wawa CWO 237 253 94% 228 250 91% 15 31 NSS
Wiarton CWO 398 416 96% 405 418 97% 10 15 NSS
Windsor CWO 798 833 96% 849 866 98% 13 16 NSS
Yarmouth NCH 570 640 89% 621 732 85% 110 364 30%
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 799 836 96% 811 845 96% 7 22 NSS
Arctic Bay NCH 136 139 98% 102 112 91% 31 41 NSS
Arviat NCA/CARS 724 849 85% 765 881 87% 42 108 39%
Baker Lake CARS 785 828 95% 824 844 98% 13 21 NSS
Bella Bella NCA 383 443 87% 354 423 84% 49 110 45%
Brandon ATS 765 765 100% 765 765 100% 0 0 NSS
Buffalo Narrows CWO 406 422 96% 407 424 96% 4 11 NSS
Burwash NCA/NCH 764 783 98% 746 773 97% 10 30 NSS
Calgary Intl NCH 1596 1596 100% 1599 1599 100% 0 0 NSS
Cambridge Bay CARS 683 892 77% 823 949 87% 81 175 46%
Campbell River ATS 363 392 93% 385 397 97% 8 18 NSS
Cape Dorset NCA/NCH 605 763 79% 605 763 79% 93 230 40%
Castlegar ATS 373 373 100% 371 372 100% 3 5 NSS
Churchill NCH 708 782 91% 852 936 91% 44 132 33%
Clyde River AWOS/CARS 591 755 78% 626 769 81% 105 243 43%
Coral Harbour CARS 699 758 92% 704 771 91% 33 96 34%
Cranbrook ATS 767 770 100% 769 770 100% 1 2 NSS
Dauphin NCA 785 788 100% 787 788 100% 2 2 NSS
Dawson City CARS 367 373 99% 366 373 98% 7 9 NSS
Dawson Creek NCA 382 382 100% 382 382 100% 0 0 NSS
Deline CARS 129 137 94% 129 137 94% 3 9 NSS
Edmonton Intl NCH 1505 1512 100% 1526 1527 100% 10 11 NSS
Edmonton Muni AWOS 862 869 99% 870 874 100% 0 1 NSS
Estevan CWO 372 372 100% 372 372 100% 0 0 NSS
Eureka CWO 310 337 92% 329 352 93% 8 20 NSS
Faro CARS 370 376 98% 357 368 97% 10 20 NSS
Fort Chipewyan NCA 184 195 94% 190 205 93% 9 23 NSS
Fort Good Hope CARS 159 182 88% 161 183 88% 2 11 NSS
Fort McMurray NCA 760 801 95% 797 821 97% 19 26 NSS
Fort McPherson CARS 130 139 94% 135 141 95% 11 18 NSS
Fort Nelson ATS 776 783 99% 779 785 99% 2 4 NSS
Fort Simpson CARS 765 825 93% 773 829 93% 17 52 33%
Fort Smith CARS 735 776 95% 761 789 96% 21 61 NSS
Fort St John ATS 760 760 100% 760 760 100% 0 0 NSS
Gillam CWO 792 874 91% 845 917 92% 31 110 28%
Gjoa Haven AWOS/CARS 576 896 64% 728 975 75% 131 280 47%
Grande Prairie ATS 817 824 99% 818 825 99% 6 19 NSS
Hall Beach NCA/NCH 627 801 78% 701 858 82% 98 205 48%
Hay River CARS 770 795 97% 800 807 99% 8 9 NSS
High Level NCA/NCH 794 818 97% 796 820 97% 14 27 NSS
Holman CARS 107 141 76% 120 146 82% 14 28 NSS
Igloolik CARS 143 188 76% 146 190 77% 13 28 NSS
Inuvik ATS/AA 784 911 86% 928 1002 93% 50 112 45%
Iqaluit ATS/AA 684 787 87% 763 847 90% 69 130 53%
Island Lake CWO 893 948 94% 944 978 97% 14 18 NSS
Kamloops ATS 782 782 100% 782 782 100% 0 0 NSS
Kelowna NCA 769 774 99% 769 774 99% 0 0 NSS
Key Lake NCA 359 385 93% 401 435 92% 20 30 NSS
Kugaaruk CARS 153 183 83% 161 184 88% 23 31 NSS
Kugluktuk CARS 763 822 93% 787 835 94% 27 72 37%
La Ronge ATS 806 848 95% 869 883 98% 17 21 NSS
Lethbridge NCH/AWOS 826 826 100% 829 829 100% 13 13 NSS
Lloydminster NCH/NCA 792 812 98% 803 819 98% 13 18 NSS
Lutselk'e CARS 129 129 100% 129 129 100% 6 6 NSS
Lynn Lake NCA 762 865 88% 826 898 92% 73 114 64%
Mackenzie NCA 586 590 99% 586 590 99% 6 11 NSS
Masset CWO 165 181 91% 167 187 89% 10 26 NSS
Mayo CARS 789 810 97% 763 790 96% 23 39 NSS
Medicine Hat NCH/NCA 778 780 100% 780 780 100% 14 14 NSS
Nanaimo ATS 355 359 99% 358 359 100% 4 6 NSS
Norman Wells ATS 730 763 96% 735 768 96% 15 27 NSS
North Battleford NCA 783 813 96% 785 814 96% 14 24 NSS
Norway House NCA 800 816 98% 820 831 99% 6 12 NSS
Old Crow CARS 377 391 96% 348 381 91% 29 45 NSS
Pangnirtung LWIS/CARS 124 128 97% 92 102 90% 18 32 NSS
Paulatuk CARS 117 135 87% 122 140 87% 8 20 NSS
Peace River ATS 755 766 99% 760 773 98% 3 13 NSS
Penticton NCH 739 739 100% 739 739 100% 0 0 NSS
Pond Inlet AWOS/CARS 821 896 92% 828 898 92% 67 89 75%
Port Hardy ATS 670 774 87% 734 835 88% 43 183 24%
Prince Albert ATS 844 884 95% 871 905 96% 15 36 NSS
Prince George NCA 758 788 96% 769 804 96% 23 51 NSS
Prince Rupert NCA 738 870 85% 827 944 88% 56 119 47%
Qikiqtarjuaq AWOS/CARS 724 819 88% 572 671 85% 108 283 38%
Quesnel NCA 392 465 84% 392 465 84% 21 60 35%
Rae Lake CARS 148 152 97% 151 153 98% 9 13 NSS
Rankin Inlet ATS 749 823 91% 778 842 92% 44 69 63%
Red Deer ATS 838 856 98% 844 859 98% 7 14 NSS
Regina ATS/AA 809 814 99% 811 815 100% 1 3 NSS
Repulse Bay CARS 113 121 94% 113 121 94% 5 11 NSS
Resolute CARS 494 762 65% 785 934 84% 114 223 51%
Sachs Harbour CARS 82 118 70% 101 141 72% 15 59 25%
Sandspit NCA 778 851 91% 858 907 95% 27 53 50%
Saskatoon NCH 780 780 100% 780 780 100% 0 0 NSS
Slave Lake NCA 879 902 98% 894 906 99% 17 19 NSS
Smithers NCH/NCA 407 422 96% 407 422 96% 18 24 NSS
Springbank NCH 435 436 100% 437 437 100% 1 1 NSS
Stony Rapids NCA 822 860 96% 840 872 96% 39 58 NSS
Swift Current NCA 780 789 99% 783 792 99% 7 20 NSS
Taloyoak CARS 713 848 84% 799 903 89% 56 91 61%
Terrace ATS 750 820 91% 845 870 97% 23 29 NSS
Teslin CARS 360 363 99% 356 361 99% 3 5 NSS
The Pas CWO 785 800 98% 802 810 99% 5 7 NSS
Thompson ATS 830 872 95% 885 909 97% 22 33 NSS
Tofino CWO 284 324 88% 291 332 87% 39 79 49%
Tuktoyaktuk CARS 331 391 85% 364 410 89% 30 52 NSS
Vancouver CWO 1512 1519 100% 1518 1522 100% 1 6 NSS
Victoria CWO 717 728 98% 723 730 99% 9 12 NSS
Victoria Harbour ATS 368 368 100% 370 371 100% 1 1 NSS
Watson Lake CARS 829 847 98% 833 850 98% 2 6 NSS
Whitecourt ATS 183 191 96% 186 194 96% 1 5 NSS
Whitehorse ATS 789 800 99% 809 810 100% 9 10 NSS
Williams Lake ATS 767 793 97% 767 793 97% 10 17 NSS
Winnipeg ATS/AA 874 877 100% 876 880 100% 6 10 NSS
Yellowknife ATS 737 785 94% 792 817 97% 18 35 NSS
Yorkton NCA 607 609 100% 608 609 100% 1 1 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable