TAF performance measurement results for TAFs issued during June 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 699 782 89% 766 842 91% 58 135 43%
Bathurst CWO 544 607 90% 575 633 91% 31 93 33%
Big Trout Lake AWOS 748 757 99% 756 769 98% 3 8 NSS
Blanc Sablon CWO 744 811 92% 813 865 94% 97 171 57%
Buttonville CWO 893 930 96% 909 951 96% 35 54 NSS
Cartwright CWO 756 859 88% 722 819 88% 89 253 35%
Chapleau CWO 351 375 94% 351 375 94% 13 47 NSS
Charlottetown ATS 625 760 82% 795 894 89% 62 181 35%
Chibougamau-Chapais CWO 355 380 93% 377 397 95% 25 41 NSS
Churchill Falls AWOS 597 784 76% 662 818 81% 37 92 40%
Deer Lake ATS 736 778 95% 829 849 98% 22 31 NSS
Dorval CWO 1520 1547 98% 1599 1599 100% 0 0 NSS
Dryden NCA 828 873 95% 872 898 97% 7 16 NSS
Earlton CWO 360 388 93% 385 410 94% 19 33 NSS
Fredericton NCA 726 833 87% 865 921 94% 34 74 46%
Gander CWO 385 491 78% 627 781 80% 63 405 16%
Gaspé CWO 711 797 89% 770 862 89% 103 266 39%
Gatineau ATS 360 387 93% 377 393 96% 4 9 NSS
Geraldton CWO 788 866 91% 829 891 93% 12 44 27%
Gore Bay NCA 348 360 96% 352 363 97% 17 37 NSS
Halifax ATS 960 1191 81% 1282 1532 84% 89 368 24%
Hamilton CWO 884 923 96% 920 950 97% 19 32 NSS
Havre St Pierre NCA 671 775 87% 719 816 88% 100 228 44%
Îles de la Madeleine ATS 364 469 78% 390 493 79% 78 221 35%
Inukjuak AWOS/CARS 717 777 92% 753 816 92% 51 91 57%
Ivujivik CARS 79 97 81% 92 106 87% 24 39 NSS
Kapuskasing CWO 780 837 93% 823 859 96% 34 47 NSS
Kenora ATS 854 916 93% 888 942 94% 17 31 NSS
Kingston ATS 559 577 97% 586 593 99% 5 8 NSS
Kuujjuaq ATS 719 811 89% 850 908 94% 19 49 38%
Kuujjuarapik CWO 744 886 84% 833 946 88% 51 137 37%
La Grande IV AWOS/CWO 185 196 94% 189 201 94% 5 12 NSS
La Grande Rivière ATS 718 771 93% 736 793 93% 22 95 23%
London ATS 844 898 94% 931 954 98% 32 59 NSS
Marathon CWO 173 188 92% 173 188 92% 2 10 NSS
Mary's Harbour AWOS/CWO 302 419 72% 371 504 74% 96 291 33%
Mirabel ATS 740 806 92% 884 907 97% 15 23 NSS
Moncton CWO 721 834 86% 959 1026 93% 24 72 33%
Mont-Joli ATS 697 815 85% 732 848 86% 54 203 27%
Moosonee NCA 369 406 91% 381 411 93% 7 25 NSS
Muskoka NCA 563 609 92% 589 631 93% 14 27 NSS
Nain CWO 285 332 86% 223 260 86% 37 220 17%
Natashquan AWOS 633 739 86% 700 783 89% 99 213 46%
North Bay CWO 727 833 87% 827 931 89% 42 134 31%
Ottawa CWO 1463 1513 97% 1575 1599 99% 4 10 NSS
Peterborough NCA 599 622 96% 610 630 97% 12 24 NSS
Pickle Lake CWO 372 398 93% 382 409 93% 6 17 NSS
Puvirnituq CARS 143 151 95% 156 163 96% 14 29 NSS
Quaqtaq CARS 126 140 90% 130 147 88% 8 37 NSS
Quebec City ATS 788 885 89% 887 953 93% 23 51 44%
Red Lake CWO 565 583 97% 580 590 98% 8 11 NSS
Roberval CWO 559 578 97% 584 599 97% 0 2 NSS
Rouyn-Noranda ATS 713 792 90% 763 832 92% 53 106 50%
Sable Island AWOS 173 273 63% 208 296 70% 25 126 20%
Saint John ATS 651 770 85% 853 905 94% 30 126 24%
Sarnia NCA 542 549 99% 552 557 99% 4 6 NSS
Sault Ste Marie ATS 714 803 89% 802 876 92% 46 95 48%
Schefferville AWOS 592 740 80% 703 827 85% 84 247 34%
Sept-Îles ATS 605 748 81% 775 897 86% 85 217 39%
Sherbrooke NCA 400 412 97% 406 419 97% 5 12 NSS
Sioux Lookout ATS 809 843 96% 821 849 97% 18 33 NSS
St Anthony NCA 552 699 79% 675 826 82% 158 482 33%
St Catharines ATS 199 203 98% 202 203 100% 4 5 NSS
St Hubert NCA 839 855 98% 892 899 99% 11 17 NSS
St John's CWO 335 467 72% 646 799 81% 129 542 24%
Stephenville CWO 836 864 97% 890 902 99% 18 22 NSS
Sudbury CWO 714 793 90% 800 863 93% 27 87 31%
Sydney CWO 442 534 83% 552 666 83% 102 494 21%
Tasiujaq CARS 160 165 97% 165 170 97% 6 18 NSS
Thunder Bay ATS/AA 800 828 97% 864 872 99% 15 15 NSS
Timmins ATS 744 816 91% 852 903 94% 22 49 44%
Toronto City Centre NCA 838 868 97% 875 900 97% 18 32 NSS
Toronto LBPI CWO 1591 1619 98% 1664 1675 99% 10 13 NSS
Val-d'Or AWOS/ATS 675 755 89% 786 845 93% 41 105 39%
Wabush ATS 750 808 93% 873 898 97% 46 59 NSS
Waskaganish CARS 133 136 98% 139 139 100% 2 2 NSS
Waterloo/Wellington NCA 606 630 96% 633 650 97% 11 19 NSS
Wawa CWO 204 209 98% 197 208 95% 9 23 NSS
Wiarton CWO 365 392 93% 373 400 93% 18 46 NSS
Windsor CWO 904 916 99% 925 930 99% 8 8 NSS
Yarmouth CWO 556 670 83% 676 770 88% 74 283 26%
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 801 823 97% 833 843 99% 5 7 NSS
Arctic Bay AWS 125 126 100% 132 132 100% 0 0 NSS
Arviat AWOS/CARS 666 819 81% 716 854 84% 75 168 45%
Baker Lake CARS 701 756 93% 728 776 94% 28 81 34%
Bella Bella AWOS 390 439 89% 320 412 78% 39 111 35%
Brandon ATS 896 926 97% 902 935 96% 25 60 NSS
Buffalo Narrows CWO 355 396 90% 357 399 90% 23 52 NSS
Burwash AWOS/CARS 850 852 100% 675 749 90% 63 112 56%
Calgary Intl CWO 1558 1589 98% 1636 1636 100% 0 0 NSS
Cambridge Bay CARS 413 621 67% 521 693 75% 107 378 28%
Campbell River ATS 391 392 100% 394 395 100% 6 9 NSS
Cape Dorset AWOS/CARS 570 708 80% 593 723 82% 83 212 39%
Castlegar ATS 415 415 100% 396 396 100% 19 21 NSS
Churchill ATS/AA 768 838 92% 833 902 92% 23 97 24%
Clyde River AWOS/CARS 425 634 67% 431 638 68% 65 344 19%
Coral Harbour CARS 693 769 90% 715 795 90% 40 118 34%
Cranbrook ATS 813 825 99% 814 825 99% 6 9 NSS
Dauphin NCA 892 909 98% 900 918 98% 26 34 NSS
Dawson City CARS 366 375 97% 356 371 96% 16 28 NSS
Dawson Creek NCA 472 490 96% 474 490 97% 16 24 NSS
Deline CARS 151 151 100% 151 151 100% 1 1 NSS
Edmonton Intl CWO 1486 1576 94% 1683 1696 99% 14 16 NSS
Edmonton Muni AWOS 883 981 90% 1030 1067 97% 13 20 NSS
Eureka CWO 373 377 99% 373 377 99% 1 2 NSS
Faro CARS 373 377 99% 341 353 97% 18 30 NSS
Fort Chipewyan NCA 178 190 94% 182 191 95% 11 16 NSS
Fort Good Hope CARS 161 163 99% 164 165 99% 0 0 NSS
Fort McMurray AWOS 848 923 92% 952 984 97% 8 15 NSS
Fort McPherson CARS 141 141 100% 141 141 100% 8 8 NSS
Fort Nelson ATS 862 907 95% 889 919 97% 11 28 NSS
Fort Simpson CARS 738 792 93% 759 802 95% 15 30 NSS
Fort Smith CARS 750 798 94% 818 835 98% 12 14 NSS
Fort St John ATS 884 977 90% 961 1017 94% 11 21 NSS
Gillam CWO 872 938 93% 944 978 97% 16 36 NSS
Gjoa Haven AWOS/CARS 511 750 68% 583 822 71% 155 439 35%
Grande Prairie ATS 809 840 96% 851 868 98% 18 27 NSS
Hall Beach AWOS/CARS 483 667 72% 514 711 72% 96 297 32%
Hay River CARS 803 829 97% 822 849 97% 8 23 NSS
High Level ATS 849 868 98% 859 876 98% 6 12 NSS
Holman CARS 132 155 85% 147 161 91% 14 19 NSS
Igloolik CARS 141 182 78% 143 184 78% 11 64 17%
Inuvik ATS/AA 762 803 95% 827 849 97% 11 35 NSS
Iqaluit ATS/AA 711 800 89% 786 875 90% 53 95 55%
Island Lake CWO 837 854 98% 847 859 99% 10 15 NSS
Kamloops ATS 798 798 100% 798 798 100% 0 0 NSS
Kelowna NCA 797 797 100% 797 797 100% 2 2 NSS
Kugaaruk CARS 195 212 92% 197 213 92% 3 16 NSS
Kugluktuk CARS 785 837 94% 808 864 94% 46 90 51%
La Ronge ATS 864 924 93% 894 961 93% 27 64 42%
Lethbridge ATS/AWOS 822 837 98% 847 857 99% 3 10 NSS
Lloydminster ATS/NCA 870 957 91% 916 991 92% 43 87 50%
Lutselk'e CARS 152 155 98% 153 155 99% 2 3 NSS
Lynn Lake NCA 752 796 94% 787 816 96% 24 43 NSS
Mackenzie NCA 597 599 100% 597 599 100% 5 6 NSS
Masset CWO 174 195 89% 190 202 94% 18 29 NSS
Mayo CARS 826 834 99% 780 801 97% 40 53 NSS
Medicine Hat ATS/NCA 898 910 99% 905 914 99% 7 8 NSS
Nanaimo ATS 369 370 100% 370 371 100% 1 1 NSS
Norman Wells ATS 746 766 97% 758 768 99% 6 8 NSS
North Battleford NCA 909 936 97% 934 960 97% 19 28 NSS
Norway House NCA 839 876 96% 860 892 96% 16 32 NSS
Old Crow CARS 367 377 97% 360 376 96% 4 7 NSS
Pangnirtung LWIS/CARS 132 135 98% 72 90 80% 23 58 NSS
Paulatuk CARS 146 156 94% 148 160 92% 22 36 NSS
Peace River ATS 822 890 92% 876 925 95% 20 43 NSS
Penticton ATS 816 816 100% 814 815 100% 1 1 NSS
Pond Inlet AWOS/CARS 779 801 97% 781 803 97% 26 33 NSS
Port Hardy ATS 721 781 92% 790 820 96% 15 36 NSS
Prince Albert ATS 884 958 92% 979 1013 97% 15 29 NSS
Prince George NCA 839 854 98% 846 857 99% 11 15 NSS
Prince Rupert NCA 781 866 90% 922 952 97% 54 75 NSS
Qikiqtarjuaq AWOS/CARS 433 663 65% 371 523 71% 86 470 18%
Quesnel NCA 437 455 96% 436 453 96% 14 27 NSS
Rae Lake CARS 158 161 98% 161 163 99% 3 5 NSS
Rankin Inlet ATS 632 741 85% 719 810 89% 40 145 28%
Red Deer ATS 883 915 97% 920 946 97% 17 36 NSS
Regina ATS/AA 942 974 97% 1006 1015 99% 16 19 NSS
Repulse Bay CARS 131 150 87% 132 151 87% 11 19 NSS
Resolute CARS 703 813 86% 857 930 92% 59 86 68%
Sachs Harbour CARS 114 129 89% 124 137 91% 17 30 NSS
Sandspit NCA 822 887 93% 925 962 96% 19 50 NSS
Saskatoon ATS/AA 854 881 97% 929 931 100% 8 9 NSS
Slave Lake NCA 845 956 88% 914 998 92% 66 98 68%
Smithers ATS/NCA 370 370 100% 370 370 100% 1 1 NSS
Springbank CWO 470 480 98% 495 507 98% 2 9 NSS
Stony Rapids NCA 600 625 96% 612 631 97% 2 3 NSS
Swift Current NCA 470 500 94% 485 507 96% 14 27 NSS
Taloyoak CARS 626 816 77% 720 872 83% 75 176 43%
Terrace ATS 779 786 99% 797 797 100% 0 0 NSS
Teslin CARS 359 359 100% 291 326 89% 11 34 NSS
The Pas CWO 829 933 89% 867 957 91% 19 54 35%
Thompson ATS 764 821 93% 818 855 96% 10 19 NSS
Tofino CWO 347 358 97% 360 369 97% 18 31 NSS
Tuktoyaktuk CARS 294 376 78% 309 391 79% 26 82 32%
Vancouver CWO 1517 1532 99% 1543 1543 100% 0 0 NSS
Victoria CWO 792 792 100% 794 794 100% 0 0 NSS
Victoria Harbour ATS 387 387 100% 388 388 100% 0 0 NSS
Watson Lake CARS 818 840 97% 838 854 98% 3 6 NSS
Whitecourt ATS 173 182 95% 180 185 97% 6 12 NSS
Whitehorse ATS 791 798 99% 797 802 99% 2 2 NSS
Williams Lake ATS 885 901 98% 900 910 99% 2 5 NSS
Winnipeg ATS/AA 924 933 99% 950 950 100% 0 0 NSS
Yellowknife ATS 745 763 98% 771 778 99% 3 13 NSS
Yorkton CWO 586 628 93% 606 637 95% 6 16 NSS
*Note: NSS stands for Not Statistically Significant