TAF performance measurement results for TAFs issued during October 2011
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 785 812 97% 821 837 98% 22 29 NSS
Bathurst CWO 615 628 98% 634 652 97% 24 57 NSS
Big Trout Lake AWOS 534 804 66% 672 896 75% 115 320 36%
Blanc Sablon CWO 677 834 81% 739 903 82% 107 252 43%
Buttonville CWO 774 859 90% 802 880 91% 25 73 34%
Cartwright CWO 794 846 94% 781 838 93% 98 135 72%
Chapleau CWO 375 413 91% 375 413 91% 25 84 30%
Charlottetown ATS 655 739 89% 766 843 91% 46 112 41%
Chibougamau-Chapais CWO 322 382 84% 356 411 87% 22 60 36%
Churchill Falls AWOS 648 814 80% 730 861 85% 59 182 32%
Deer Lake ATS 770 858 90% 930 985 94% 41 63 66%
Dorval CWO 1491 1542 97% 1622 1628 100% 11 14 NSS
Dryden NCA 827 910 91% 909 970 94% 26 53 48%
Earlton CWO 341 363 94% 363 384 94% 19 44 NSS
Fredericton NCA 686 773 89% 828 881 94% 44 94 46%
Gander CWO 579 715 81% 868 973 89% 56 168 33%
Gaspé CWO 738 804 92% 759 816 93% 31 79 40%
Gatineau ATS 367 389 95% 374 396 95% 11 28 NSS
Geraldton CWO 693 910 76% 761 967 79% 59 209 29%
Gore Bay NCA 390 418 93% 409 431 95% 15 24 NSS
Halifax ATS 1123 1238 91% 1349 1477 91% 78 291 27%
Hamilton CWO 784 869 90% 874 940 93% 46 105 44%
Havre St Pierre NCA 724 802 90% 754 826 91% 77 187 41%
Îles de la Madeleine ATS 487 541 90% 530 582 91% 20 67 30%
Inukjuak AWOS/CARS 742 812 91% 796 848 94% 45 75 60%
Ivujivik CARS 81 100 81% 94 108 87% 18 22 NSS
Kapuskasing CWO 612 783 78% 683 836 82% 63 180 35%
Kenora ATS 812 930 87% 887 980 91% 33 65 51%
Kingston ATS 572 589 97% 613 613 100% 0 0 NSS
Kuujjuaq ATS 839 942 89% 984 1017 97% 32 39 NSS
Kuujjuarapik CWO 834 887 94% 902 942 96% 57 89 NSS
La Grande IV AWOS/CWO 196 219 89% 213 230 93% 20 45 NSS
La Grande Rivière ATS 744 830 90% 797 881 90% 59 164 36%
London ATS 772 854 90% 874 927 94% 37 61 61%
Marathon CWO 179 188 95% 179 188 95% 9 15 NSS
Mary's Harbour AWOS/CWO 528 604 87% 567 648 88% 36 116 31%
Mirabel ATS 755 825 92% 895 900 99% 12 13 NSS
Moncton CWO 659 718 92% 842 892 94% 68 114 59%
Mont-Joli ATS 808 834 97% 829 853 97% 21 33 NSS
Moosonee NCA 375 400 94% 399 418 95% 18 34 NSS
Muskoka NCA 516 552 94% 533 570 94% 21 38 NSS
Nain CWO 357 387 92% 292 334 87% 28 122 23%
Natashquan AWOS 750 883 85% 826 954 87% 52 172 30%
North Bay CWO 686 762 90% 780 825 95% 36 76 47%
Ottawa CWO 1432 1503 95% 1594 1613 99% 33 35 NSS
Peterborough NCA 608 651 93% 641 667 96% 19 26 NSS
Pickle Lake CWO 337 413 82% 394 441 89% 25 70 36%
Puvirnituq CARS 159 188 85% 187 207 90% 12 25 NSS
Quaqtaq CARS 121 134 90% 132 147 89% 6 27 NSS
Quebec City ATS 842 906 93% 938 957 98% 15 21 NSS
Red Lake CWO 474 604 78% 539 637 85% 38 91 41%
Roberval CWO 600 600 100% 604 604 100% 0 0 NSS
Rouyn-Noranda ATS 677 787 86% 725 815 89% 43 142 31%
Sable Island AWOS 369 437 84% 472 493 96% 43 90 NSS
Saint John ATS 722 799 90% 932 967 96% 50 77 NSS
Sarnia NCA 588 595 99% 605 608 99% 8 9 NSS
Sault Ste Marie ATS 851 900 95% 914 946 97% 17 53 NSS
Schefferville AWOS 670 833 80% 765 927 83% 86 235 37%
Sept-Îles ATS 705 786 90% 799 852 94% 59 105 56%
Sherbrooke NCA 397 423 94% 414 440 94% 17 30 NSS
Sioux Lookout ATS 814 878 93% 852 900 95% 32 59 54%
St Anthony NCA 711 880 81% 832 973 85% 73 199 37%
St Catharines ATS 200 202 99% 205 209 98% 3 10 NSS
St Hubert NCA 822 873 94% 894 910 98% 22 30 NSS
St John's CWO 640 727 88% 919 980 94% 102 186 55%
Stephenville CWO 794 819 97% 832 858 97% 22 34 NSS
Sudbury CWO 739 837 88% 839 912 92% 39 92 42%
Sydney CWO 656 729 90% 752 842 89% 56 169 33%
Tasiujaq CARS 163 166 98% 171 177 97% 10 20 NSS
Thunder Bay ATS/AA 798 828 96% 823 863 95% 34 87 39%
Timmins ATS 714 794 90% 857 913 94% 53 87 61%
Toronto City Centre NCA 809 840 96% 903 907 100% 18 20 NSS
Toronto LBPI CWO 1493 1538 97% 1639 1639 100% 17 17 NSS
Val-d'Or NCA/ATS 723 821 88% 849 915 93% 38 74 52%
Wabush ATS 739 838 88% 906 944 96% 48 69 NSS
Waskaganish CARS 55 59 94% 58 62 94% 5 6 NSS
Waterloo/Wellington NCA 571 611 93% 633 653 97% 20 48 NSS
Wawa CWO 210 214 98% 205 210 98% 11 15 NSS
Wiarton CWO 377 398 95% 402 409 98% 10 18 NSS
Windsor CWO 786 810 97% 860 873 98% 23 25 NSS
Yarmouth CWO 663 758 87% 793 885 90% 74 215 34%
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 CWO 827 937 88% 889 977 91% 25 82 31%
Arctic Bay AWS 117 122 96% **N/A N/A N/A N/A N/A N/A
Arviat AWOS/CARS 616 755 82% 714 832 86% 100 231 43%
Baker Lake CARS 711 837 85% 788 895 88% 108 182 59%
Bella Bella NCA 450 494 91% 417 480 87% 48 74 64%
Brandon ATS 878 906 97% 891 931 96% 33 99 33%
Buffalo Narrows CWO 385 404 95% 395 415 95% 13 48 NSS
Burwash AWOS/CARS 790 844 94% 681 777 88% 50 130 38%
Calgary Intl CWO 1496 1549 97% 1637 1647 99% 3 6 NSS
Cambridge Bay CARS 459 695 66% 575 792 73% 134 407 33%
Campbell River ATS 385 456 84% 439 490 90% 11 25 NSS
Cape Dorset AWOS/CARS 625 760 82% 655 775 85% 86 247 35%
Castlegar ATS 466 478 98% 401 422 95% 48 80 NSS
Churchill ATS/AA 570 727 78% 774 977 79% 87 238 36%
Clyde River AWOS/CARS 738 875 84% 743 875 85% 99 231 43%
Coral Harbour CARS 656 796 82% 700 833 84% 84 209 40%
Cranbrook ATS 817 847 96% 822 852 96% 12 35 NSS
Dauphin NCA 825 856 96% 846 878 96% 21 47 NSS
Dawson City CARS 179 190 94% 167 184 91% 11 19 NSS
Dawson Creek NCA 391 399 98% 398 406 98% 19 43 NSS
Deline CARS 87 154 56% 88 155 57% 18 46 39%
Edmonton Intl CWO 1425 1498 95% 1520 1580 96% 22 79 28%
Edmonton Muni AWOS 790 871 91% 845 904 94% 17 76 22%
Eureka CWO 370 442 84% 377 444 85% 17 47 37%
Faro CARS 164 179 91% 155 172 90% 8 19 NSS
Fort Chipewyan NCA 189 226 84% 208 235 89% 10 28 NSS
Fort Good Hope CARS 119 169 71% 133 173 77% 18 43 NSS
Fort McMurray AWOS 783 824 95% 854 888 96% 42 59 NSS
Fort McPherson CARS 83 122 68% 87 123 71% 5 27 NSS
Fort Nelson ATS 719 835 86% 812 913 89% 18 82 22%
Fort Simpson CARS 413 772 53% 481 854 56% 101 496 20%
Fort Smith CARS 768 905 85% 831 949 88% 43 154 28%
Fort St John ATS 753 803 94% 789 838 94% 18 49 38%
Gillam CWO 644 826 78% 784 953 82% 107 308 35%
Gjoa Haven AWOS/CARS 471 694 68% 548 761 72% 125 339 37%
Grande Prairie ATS 813 837 97% 855 869 98% 32 56 NSS
Hall Beach AWOS/CARS 755 876 86% 839 922 91% 86 149 58%
Hay River CARS 740 857 86% 852 927 92% 64 106 61%
High Level ATS 681 776 88% 727 834 87% 27 154 17%
Holman CARS 127 160 80% 143 165 87% 8 24 NSS
Igloolik CARS 142 167 85% 143 168 85% 18 33 NSS
Inuvik ATS/AA 603 841 72% 826 1004 82% 94 200 47%
Iqaluit ATS/AA 868 915 95% 967 992 97% 26 33 NSS
Island Lake CWO 713 875 81% 863 975 89% 79 156 50%
Kamloops ATS 841 842 100% 805 821 98% 10 29 NSS
Kelowna NCA 856 862 99% 856 862 99% 7 8 NSS
Kugaaruk CARS 143 186 77% 152 190 80% 15 40 NSS
Kugluktuk CARS 779 855 91% 825 886 93% 54 86 63%
La Ronge ATS 758 836 91% 808 870 93% 51 102 51%
Lethbridge ATS/AWOS 863 875 99% 907 911 99% 9 10 NSS
Lloydminster ATS/NCA 759 816 93% 782 834 94% 16 68 23%
Lutselk'e CARS 104 117 89% 111 117 95% 10 13 NSS
Lynn Lake NCA 728 891 82% 796 963 83% 119 259 46%
Mackenzie NCA 591 614 96% 591 614 96% 18 30 NSS
Masset CWO 195 206 95% 200 210 95% 6 11 NSS
Mayo CARS 747 808 92% 680 771 88% 54 109 50%
Medicine Hat ATS/NCA 834 867 96% 837 873 96% 5 34 NSS
Nanaimo ATS 386 464 83% 402 470 86% 9 23 37%
Norman Wells ATS 702 830 85% 706 834 85% 126 253 50%
North Battleford NCA 791 846 93% 821 866 95% 54 107 50%
Norway House NCA 829 920 90% 922 1003 92% 72 162 44%
Old Crow CARS 337 413 82% 307 403 76% 24 62 38%
Pangnirtung LWIS/CARS 100 102 98% 68 74 91% 3 39 NSS
Paulatuk CARS 156 167 94% 163 172 95% 5 7 NSS
Peace River ATS 821 851 96% 867 886 98% 39 57 NSS
Penticton ATS 817 817 100% 776 799 97% 12 17 NSS
Pond Inlet AWOS/CARS 725 852 85% 726 852 85% 83 179 46%
Port Hardy ATS 842 893 94% 886 923 96% 7 23 NSS
Prince Albert ATS 736 787 93% 803 845 95% 28 75 37%
Prince George NCA 799 873 91% 820 890 92% 24 63 38%
Prince Rupert NCA 869 905 96% 922 940 98% 12 15 NSS
Qikiqtarjuaq AWOS/CARS 756 864 88% 583 727 80% 113 286 40%
Quesnel NCA 401 438 91% 401 438 91% 22 71 31%
Rae Lake CARS 81 129 63% 106 147 72% 17 43 NSS
Rankin Inlet ATS 626 759 83% 710 849 84% 122 280 44%
Red Deer ATS 748 793 94% 772 831 93% 28 77 36%
Regina ATS/AA 805 864 93% 854 906 94% 42 78 54%
Repulse Bay CARS 120 135 89% 123 136 90% 10 35 NSS
Resolute CARS 685 892 77% 904 1026 88% 71 119 60%
Sachs Harbour CARS 123 166 74% 140 177 79% 6 16 NSS
Sandspit NCA 947 991 96% 997 1020 98% 19 24 NSS
Saskatoon ATS/AA 801 845 95% 869 905 96% 30 58 NSS
Slave Lake NCA 783 797 98% 809 815 99% 21 24 NSS
Smithers ATS/NCA 408 424 96% 408 424 96% 25 40 NSS
Springbank CWO 416 435 96% 432 447 97% 7 20 NSS
Stony Rapids NCA 574 638 90% 617 671 92% 48 73 66%
Swift Current NCA 407 420 97% 414 432 96% 3 25 NSS
Taloyoak CARS 669 862 78% 773 943 82% 80 163 49%
Terrace ATS 807 922 88% 952 1014 94% 26 54 48%
Teslin CARS 175 182 96% 123 158 78% 12 28 NSS
The Pas CWO 707 780 91% 792 850 93% 45 104 43%
Thompson ATS 694 835 83% 877 999 88% 62 200 31%
Tofino CWO 366 388 94% 381 397 96% 36 49 NSS
Tuktoyaktuk CARS 342 410 83% 387 442 88% 45 77 58%
Vancouver CWO 1564 1625 96% 1675 1692 99% 20 26 NSS
Victoria CWO 852 909 94% 931 953 98% 12 23 NSS
Victoria Harbour ATS 422 439 96% 435 448 97% 11 17 NSS
Watson Lake CARS 764 826 92% 849 881 96% 14 28 NSS
Whitecourt ATS 165 173 96% 174 183 95% 3 20 NSS
Whitehorse ATS 821 910 90% 912 964 95% 18 33 NSS
Williams Lake ATS 817 819 100% 817 819 100% 3 4 NSS
Winnipeg ATS/AA 889 951 93% 952 983 97% 2 9 NSS
Yellowknife ATS 692 919 75% 899 1041 86% 62 176 35%
Yorkton NCA 602 662 91% 639 691 92% 20 65 31%
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable