TAF performance measurement results for TAFs issued during November 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 823 890 93% 904 949 95% 36 56 NSS
Bathurst CWO 550 568 97% 570 579 98% 11 34 NSS
Big Trout Lake NCA 677 810 84% 792 914 87% 98 236 41%
Blanc Sablon CWO 675 729 93% 711 785 91% 68 212 32%
Buttonville CWO 828 885 94% 862 902 96% 31 63 NSS
Cartwright CWO 865 891 97% 857 879 97% 69 110 NSS
Chapleau CWO 331 403 82% 331 403 82% 20 107 18%
Charlottetown ATS 811 865 94% 896 929 96% 49 74 NSS
Chibougamau-Chapais CWO 334 418 80% 396 476 83% 16 82 20%
Churchill Falls AWOS 655 815 80% 707 826 86% 35 109 33%
Deer Lake ATS 827 851 97% 848 864 98% 13 21 NSS
Dorval CWO 1458 1483 98% 1538 1548 99% 15 17 NSS
Dryden NCA 766 832 92% 875 928 94% 35 70 50%
Earlton NCA 377 411 92% 395 422 94% 15 36 NSS
Fredericton NCA 807 849 95% 883 913 97% 38 56 NSS
Gander CWO 716 823 87% 987 1014 97% 25 50 NSS
Gaspé CWO 735 757 97% 746 768 97% 27 71 NSS
Gatineau ATS 419 421 99% 433 434 100% 10 11 NSS
Geraldton CWO 813 923 88% 884 959 92% 69 124 56%
Gore Bay NCA 392 402 98% 409 417 98% 11 22 NSS
Halifax ATS 1297 1410 92% 1482 1569 94% 47 180 26%
Hamilton CWO 807 876 92% 895 945 95% 28 94 29%
Havre St Pierre NCA 755 887 85% 801 920 87% 62 199 31%
Îles de la Madeleine ATS 532 558 95% 545 571 95% 37 76 NSS
Inukjuak AWOS/CARS 668 783 85% 724 846 86% 106 229 47%
Ivujivik CARS 93 101 92% 97 105 92% 29 47 NSS
Kapuskasing CWO 786 909 87% 877 981 89% 93 171 55%
Kenora ATS 784 922 85% 876 983 89% 49 113 43%
Kingston ATS 433 447 97% 457 467 98% 4 6 NSS
Kuujjuaq ATS 796 829 96% 852 864 99% 16 22 NSS
Kuujjuarapik CWO 703 839 84% 793 920 86% 193 304 63%
La Grande IV AWOS/CWO 186 253 74% 233 276 84% 39 61 NSS
La Grande Rivière ATS 675 886 76% 767 979 78% 143 396 36%
London ATS 807 916 88% 949 1027 92% 41 84 48%
Marathon CWO 174 197 88% 174 197 88% 14 21 NSS
Mary's Harbour AWOS/CWO 600 623 96% 614 634 97% 19 38 NSS
Mirabel ATS 795 827 96% 878 890 99% 15 19 NSS
Moncton CWO 773 825 94% 884 900 98% 3 16 NSS
Mont-Joli ATS 840 876 96% 862 899 96% 23 71 33%
Moosonee NCA 396 427 93% 428 441 97% 15 31 NSS
Muskoka NCA 396 418 95% 407 426 95% 14 34 NSS
Nain CWO 376 397 95% 332 350 95% 36 113 32%
Natashquan AWOS 731 802 91% 760 827 92% 43 150 29%
North Bay CWO 778 914 85% 957 1035 92% 75 141 53%
Ottawa CWO 1420 1473 96% 1544 1565 99% 20 30 NSS
Peterborough NCA 582 603 97% 605 617 98% 24 37 NSS
Pickle Lake CWO 322 372 86% 353 403 88% 33 75 45%
Puvirnituq CARS 136 171 79% 156 187 83% 18 32 NSS
Quaqtaq CARS 114 127 90% 119 132 90% 17 39 NSS
Quebec City ATS 728 803 91% 814 888 92% 30 83 37%
Red Lake CWO 439 547 80% 512 594 86% 36 82 44%
Roberval CWO 383 414 93% 399 434 92% 3 18 NSS
Rouyn-Noranda ATS 742 833 89% 848 926 92% 72 164 44%
Sable Island AWOS 418 442 95% 459 473 97% 15 36 NSS
Saint John ATS 728 837 87% 928 973 95% 34 73 46%
Sarnia NCA 406 424 96% 443 448 99% 7 9 NSS
Sault Ste Marie ATS 798 863 92% 927 964 96% 40 74 NSS
Schefferville AWOS 717 899 80% 878 1020 86% 92 224 41%
Sept-Îles ATS 739 841 88% 823 920 89% 36 109 33%
Sherbrooke NCA 411 438 94% 439 453 97% 14 24 NSS
Sioux Lookout ATS 741 831 89% 819 881 93% 59 134 44%
St Anthony NCA 793 910 87% 870 958 91% 82 177 46%
St Catharines ATS 377 383 98% 389 394 99% 1 16 NSS
St Hubert NCA 812 834 97% 842 869 97% 12 31 NSS
St John's CWO 770 842 91% 958 993 96% 31 68 NSS
Stephenville CWO 874 885 99% 930 940 99% 20 30 NSS
Sudbury CWO 756 845 89% 913 983 93% 61 152 40%
Sydney CWO 720 803 90% 821 874 94% 39 88 45%
Tasiujaq CARS 157 160 99% 162 163 99% 4 4 NSS
Thunder Bay ATS/AA 855 880 97% 895 912 98% 10 25 NSS
Timmins ATS 795 918 87% 966 1042 93% 49 111 44%
Toronto City Centre NCA 832 872 95% 897 915 98% 9 17 NSS
Toronto LBPI CWO 1532 1587 97% 1655 1670 99% 6 11 NSS
Val-d'Or NCA/ATS 810 906 89% 986 1047 94% 49 109 45%
Wabush ATS 722 801 90% 853 911 94% 47 101 46%
Waskaganish CARS 87 100 88% 96 103 94% 4 5 NSS
Waterloo/Wellington NCA 553 600 92% 618 642 96% 28 45 NSS
Wawa CWO 191 237 81% 181 231 78% 43 64 NSS
Wiarton CWO 380 405 94% 401 414 97% 11 19 NSS
Windsor CWO 779 845 92% 890 927 96% 30 59 NSS
Yarmouth CWO 754 814 93% 822 886 93% 39 107 36%
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 872 919 95% 924 962 96% 10 18 NSS
Arctic Bay AWS 120 127 95% **N/A N/A N/A N/A N/A N/A
Arviat AWOS/CARS 573 707 81% 648 755 86% 130 371 35%
Baker Lake CARS 618 695 89% 679 732 93% 63 171 37%
Bella Bella NCA 414 461 90% 389 451 86% 38 60 63%
Brandon ATS 769 847 91% 797 875 91% 45 117 38%
Buffalo Narrows CWO 369 430 86% 389 441 88% 26 67 39%
Burwash AWOS/CARS 776 903 86% 500 778 64% 100 296 34%
Calgary Intl CWO 1538 1571 98% 1640 1650 99% 19 23 NSS
Cambridge Bay CARS 524 737 71% 671 820 82% 123 285 43%
Campbell River ATS 326 369 88% 370 407 91% 4 10 NSS
Cape Dorset AWOS/CARS 656 848 77% 682 868 79% 165 404 41%
Castlegar ATS 336 368 91% 286 317 90% 38 105 36%
Churchill ATS/AA 851 939 91% 985 1035 95% 43 100 43%
Clyde River AWOS/CARS 587 766 77% 624 780 80% 120 302 40%
Coral Harbour CARS 630 749 84% 657 766 86% 65 160 41%
Cranbrook ATS 738 796 93% 803 823 98% 28 38 NSS
Dauphin NCA 738 800 92% 791 845 94% 69 118 59%
Dawson City CARS 332 341 97% 315 325 97% 24 28 NSS
Dawson Creek NCA 435 464 94% 436 466 94% 36 63 NSS
Deline CARS 220 247 89% 223 247 90% 10 40 NSS
Edmonton Intl CWO 1462 1517 96% 1605 1622 99% 14 26 NSS
Edmonton Muni AWOS 850 897 95% 901 939 96% 22 54 NSS
Eureka CWO 381 408 93% 381 408 93% 6 16 NSS
Faro CARS 161 164 98% 153 156 98% 16 18 NSS
Fort Chipewyan NCA 189 222 85% 203 227 89% 7 15 NSS
Fort Good Hope CARS 231 255 91% 241 255 94% 22 36 NSS
Fort McMurray NCA 821 865 95% 903 920 98% 30 37 NSS
Fort McPherson CARS 102 114 90% 103 116 89% 2 5 NSS
Fort Nelson ATS 753 829 91% 835 881 95% 27 49 NSS
Fort Simpson CARS 734 861 85% 805 917 88% 46 123 38%
Fort Smith CARS 730 867 84% 845 931 91% 71 103 69%
Fort St John ATS 806 906 89% 883 963 92% 18 56 33%
Gillam CWO 733 905 81% 887 1002 89% 75 156 48%
Gjoa Haven AWOS/CARS 457 655 70% 505 675 75% 151 484 31%
Grande Prairie ATS 785 861 91% 830 903 92% 41 73 55%
Hall Beach AWOS/CARS 660 824 80% 757 877 86% 125 239 52%
Hay River CARS 664 859 77% 833 972 86% 51 110 46%
High Level ATS 705 858 82% 786 917 86% 52 119 44%
Holman CARS 210 237 89% 227 237 96% 14 18 NSS
Igloolik CARS 116 151 77% 116 151 77% 12 41 NSS
Inuvik ATS/AA 760 800 95% 808 832 97% 9 12 NSS
Iqaluit ATS/AA 840 918 91% 915 962 95% 54 95 57%
Island Lake CWO 688 889 77% 850 1015 84% 93 211 44%
Kamloops ATS 922 935 99% 792 874 91% 48 87 55%
Kelowna NCA 879 909 97% 879 909 97% 14 21 NSS
Kugaaruk CARS 128 167 77% 144 173 84% 16 36 NSS
Kugluktuk CARS 813 883 92% 837 905 93% 51 73 71%
La Ronge ATS 767 879 87% 864 935 92% 53 93 56%
Lethbridge ATS/AWOS 924 942 98% 949 969 98% 26 45 NSS
Lloydminster ATS/NCA 762 830 92% 787 854 92% 31 95 33%
Lutselk'e CARS 225 247 91% 240 254 94% 24 37 NSS
Lynn Lake NCA 812 951 85% 891 1004 89% 66 119 55%
Mackenzie NCA 544 627 87% 544 627 87% 69 117 59%
Masset CWO 303 350 87% 312 359 87% 20 45 NSS
Mayo CARS 734 809 91% 676 770 88% 59 91 65%
Medicine Hat ATS/NCA 817 837 98% 829 844 98% 33 45 NSS
Nanaimo ATS 353 385 92% 355 391 91% 5 12 NSS
Norman Wells ATS 789 808 98% 795 810 98% 27 36 NSS
North Battleford NCA 897 973 92% 928 986 94% 74 104 71%
Norway House NCA 709 916 77% 826 982 84% 122 230 53%
Old Crow CARS 308 366 84% 308 366 84% 22 43 51%
Pangnirtung LWIS/CARS 149 149 100% 124 129 96% 14 20 NSS
Paulatuk CARS 181 190 96% 193 196 98% 0 0 NSS
Peace River ATS 838 940 89% 890 972 91% 59 120 50%
Penticton ATS 813 822 99% 741 790 94% 36 55 NSS
Pond Inlet AWOS/CARS 757 825 92% 764 828 92% 53 82 64%
Port Hardy ATS 821 870 94% 880 902 98% 12 25 NSS
Prince Albert ATS 787 848 93% 840 898 94% 28 42 NSS
Prince George NCA 788 885 89% 851 926 92% 46 87 53%
Prince Rupert NCA 890 936 95% 997 1017 98% 26 32 NSS
Qikiqtarjuaq AWOS/CARS 637 774 82% 411 592 69% 177 437 40%
Quesnel NCA 411 490 84% 411 488 84% 23 63 36%
Rae Lake CARS 216 230 94% 228 242 94% 16 46 NSS
Rankin Inlet ATS 586 703 83% 663 767 86% 77 346 22%
Red Deer ATS 813 876 93% 871 930 94% 63 98 64%
Regina ATS/AA 811 886 92% 899 962 93% 44 71 63%
Repulse Bay CARS 95 110 86% 101 113 89% 9 24 NSS
Resolute CARS 592 704 84% 704 813 87% 70 225 31%
Sachs Harbour CARS 120 175 69% 130 178 73% 2 12 NSS
Sandspit NCA 952 1013 94% 1027 1066 96% 23 34 NSS
Saskatoon ATS/AA 779 830 94% 836 866 96% 10 35 NSS
Slave Lake NCA 856 937 91% 903 957 94% 74 98 75%
Smithers ATS/NCA 378 477 79% 378 477 79% 40 84 48%
Springbank CWO 444 464 96% 472 477 99% 12 13 NSS
Stony Rapids NCA 622 662 94% 658 680 97% 38 46 NSS
Swift Current NCA 420 464 91% 441 487 91% 14 54 27%
Taloyoak CARS 757 836 91% 809 865 93% 65 155 42%
Terrace ATS 612 939 65% 899 1128 80% 123 273 45%
Teslin CARS 163 171 96% 61 110 55% 18 79 23%
The Pas CWO 700 928 75% 804 985 82% 78 176 44%
Thompson ATS 764 882 87% 947 975 97% 31 44 NSS
Tofino CWO 322 354 91% 336 364 92% 17 41 NSS
Tuktoyaktuk CARS 353 390 90% 369 396 93% 31 39 NSS
Vancouver CWO 1553 1622 96% 1665 1672 100% 1 1 NSS
Victoria CWO 852 883 97% 916 919 100% 0 0 NSS
Victoria Harbour ATS 373 380 98% 378 384 98% 3 4 NSS
Watson Lake CARS 724 790 92% 808 853 95% 23 37 NSS
Whitecourt ATS 178 196 91% 181 199 91% 4 21 NSS
Whitehorse ATS 728 862 84% 900 957 94% 37 62 61%
Williams Lake ATS 781 889 88% 817 909 90% 34 70 49%
Winnipeg ATS/AA 804 903 89% 981 1016 97% 9 22 NSS
Yellowknife ATS 689 891 77% 922 1017 91% 74 129 57%
Yorkton NCA 532 610 87% 581 644 90% 42 71 60%
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable