TAF performance measurement results for TAFs issued during September 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 731 827 88% 781 858 91% 64 136 47%
Bathurst CWO 574 595 96% 586 603 97% 31 55 NSS
Big Trout Lake AWOS 702 845 83% 778 883 88% 44 103 42%
Blanc Sablon CWO 742 807 92% 754 843 89% 33 161 20%
Buttonville CWO 815 868 94% 839 880 95% 26 45 NSS
Cartwright CWO 812 854 95% 802 838 96% 40 81 49%
Chapleau CWO 357 396 90% 357 396 90% 27 57 NSS
Charlottetown ATS 694 757 92% 749 799 94% 18 74 24%
Chibougamau-Chapais CWO 341 383 89% 367 397 93% 24 53 NSS
Churchill Falls AWOS 757 798 95% 795 830 96% 27 43 NSS
Deer Lake ATS 788 821 96% 834 857 97% 18 29 NSS
Dorval CWO 1575 1612 98% 1660 1660 100% 6 6 NSS
Dryden NCA 807 850 95% 874 885 99% 20 23 NSS
Earlton CWO 405 430 94% 428 443 97% 21 34 NSS
Fredericton NCA 779 929 84% 874 1002 87% 53 154 34%
Gander CWO 682 752 91% 815 867 94% 24 68 35%
Gaspé CWO 728 770 95% 742 780 95% 45 80 NSS
Gatineau ATS 398 409 97% 402 410 98% 6 11 NSS
Geraldton CWO 729 836 87% 832 909 92% 65 150 43%
Gore Bay NCA 340 360 94% 358 374 96% 16 25 NSS
Halifax ATS 1116 1272 88% 1282 1479 87% 67 280 24%
Hamilton CWO 804 922 87% 922 1022 90% 58 143 40%
Havre St Pierre NCA 739 848 87% 758 867 87% 63 145 44%
Îles de la Madeleine ATS 496 523 95% 504 529 95% 18 66 NSS
Inukjuak AWOS/CARS 638 804 79% 747 900 83% 89 280 32%
Ivujivik CARS 117 133 88% 132 149 88% 14 38 NSS
Kapuskasing CWO 756 858 88% 826 903 91% 67 132 51%
Kenora ATS 776 812 96% 817 843 97% 29 40 NSS
Kingston ATS 592 632 94% 643 651 99% 3 6 NSS
Kuujjuaq ATS 791 828 96% 869 883 98% 25 31 NSS
Kuujjuarapik CWO 731 777 94% 781 834 94% 57 106 54%
La Grande IV AWOS/CWO 176 193 91% 194 208 93% 17 32 NSS
La Grande Rivière ATS 712 850 84% 813 943 86% 65 199 33%
London ATS 850 961 88% 986 1046 94% 32 71 46%
Marathon CWO 151 170 89% 151 170 89% 8 27 NSS
Mary's Harbour AWOS/CWO 525 546 96% 546 572 95% 22 64 NSS
Mirabel ATS 821 918 89% 942 987 95% 33 45 NSS
Moncton CWO 741 875 85% 910 979 93% 22 65 35%
Mont-Joli ATS 729 769 95% 741 789 94% 25 77 32%
Moosonee NCA 355 384 92% 393 406 97% 29 49 NSS
Muskoka NCA 582 602 97% 597 611 98% 14 25 NSS
Nain CWO 394 404 98% 363 375 97% 12 59 NSS
Natashquan AWOS 726 851 85% 754 874 86% 72 150 48%
North Bay CWO 803 926 87% 910 992 92% 54 117 46%
Ottawa CWO 1488 1534 97% 1567 1590 99% 4 19 NSS
Peterborough NCA 589 635 93% 607 644 94% 25 50 NSS
Pickle Lake CWO 362 393 92% 375 408 92% 8 40 NSS
Puvirnituq CARS 132 157 84% 149 178 84% 13 34 NSS
Quaqtaq CARS 137 149 92% 147 163 90% 10 34 NSS
Quebec City ATS 775 847 92% 850 916 93% 30 76 40%
Red Lake CWO 546 575 95% 569 584 97% 6 12 NSS
Roberval CWO 573 574 100% 578 578 100% 1 1 NSS
Rouyn-Noranda ATS 801 890 90% 847 916 92% 55 97 57%
Sable Island AWOS 287 343 84% 320 365 87% 60 152 40%
Saint John ATS 573 682 84% 740 838 88% 93 347 27%
Sarnia NCA 589 600 98% 623 625 100% 5 5 NSS
Sault Ste Marie ATS 781 877 89% 843 914 92% 18 77 23%
Schefferville AWOS 785 843 93% 857 904 95% 30 70 43%
Sept-Îles ATS 701 754 93% 747 793 94% 36 90 40%
Sherbrooke NCA 385 419 92% 401 429 94% 18 34 NSS
Sioux Lookout ATS 786 850 93% 824 871 95% 26 40 NSS
St Anthony NCA 770 848 91% 821 865 95% 47 75 NSS
St Catharines ATS 219 229 96% 223 233 96% 7 10 NSS
St Hubert NCA 867 919 94% 935 960 97% 19 24 NSS
St John's CWO 700 778 90% 911 967 94% 71 119 59%
Stephenville CWO 765 776 99% 809 817 99% 41 50 NSS
Sudbury CWO 783 870 90% 878 958 92% 22 80 28%
Sydney CWO 727 767 95% 784 824 95% 30 92 33%
Tasiujaq CARS 154 157 98% 162 165 98% 13 21 NSS
Thunder Bay ATS/AA 772 816 95% 804 844 95% 26 88 30%
Timmins ATS 750 831 90% 846 890 95% 39 73 54%
Toronto City Centre NCA 863 915 94% 929 954 97% 23 27 NSS
Toronto LBPI CWO 1518 1575 96% 1647 1653 100% 6 11 NSS
Val-d'Or NCA/ATS 738 816 90% 845 878 96% 28 46 NSS
Wabush ATS 752 778 97% 811 826 98% 1 16 NSS
Waskaganish CARS 97 105 92% 101 113 90% 0 16 NSS
Waterloo/Wellington NCA 621 678 92% 674 715 94% 24 51 NSS
Wawa CWO 213 235 91% 212 233 91% 10 26 NSS
Wiarton CWO 378 394 96% 396 406 97% 13 20 NSS
Windsor CWO 839 913 92% 943 978 96% 41 50 NSS
Yarmouth CWO 513 564 91% 550 640 86% 62 358 17%
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 802 823 97% 832 842 99% 5 9 NSS
Arctic Bay AWS 137 147 93% **N/A N/A N/A N/A N/A N/A
Arviat AWOS/CARS 734 824 89% 774 856 90% 49 139 36%
Baker Lake CARS 815 863 94% 856 888 96% 25 38 NSS
Bella Bella NCA 404 438 92% 353 412 86% 76 125 61%
Brandon ATS 826 841 98% 831 846 98% 21 33 NSS
Buffalo Narrows CWO 392 403 97% 392 403 97% 5 8 NSS
Burwash AWOS/CARS 764 764 100% 733 751 98% 9 13 NSS
Calgary Intl CWO 1527 1527 100% 1530 1530 100% 0 0 NSS
Cambridge Bay CARS 652 747 87% 703 805 87% 58 182 32%
Campbell River ATS 365 423 86% 422 444 95% 8 22 NSS
Cape Dorset AWOS/CARS 608 764 80% 639 770 83% 78 214 36%
Castlegar ATS 371 371 100% 369 369 100% 2 2 NSS
Churchill ATS/AA 791 820 97% 837 866 97% 20 58 NSS
Clyde River AWOS/CARS 639 830 77% 658 834 79% 107 199 54%
Coral Harbour CARS 702 777 90% 725 804 90% 25 75 33%
Cranbrook ATS 785 790 99% 787 790 100% 0 1 NSS
Dauphin NCA 867 893 97% 883 902 98% 6 9 NSS
Dawson City CARS 383 403 95% 354 393 90% 8 36 NSS
Dawson Creek NCA 396 400 99% 396 400 99% 1 1 NSS
Deline CARS 149 160 93% 149 160 93% 3 8 NSS
Edmonton Intl CWO 1517 1536 99% 1532 1539 100% 11 13 NSS
Edmonton Muni AWOS 843 847 100% 851 851 100% 0 0 NSS
Eureka CWO 340 410 83% 344 411 84% 29 73 40%
Faro CARS 374 387 97% 369 384 96% 8 16 NSS
Fort Chipewyan NCA 210 236 89% 221 241 92% 10 22 NSS
Fort Good Hope CARS 126 136 93% 134 141 96% 5 10 NSS
Fort McMurray AWOS 766 789 97% 803 808 99% 6 6 NSS
Fort McPherson CARS 92 113 82% 94 117 81% 20 56 NSS
Fort Nelson ATS 783 800 98% 788 804 98% 7 18 NSS
Fort Simpson CARS 772 810 95% 799 827 97% 26 57 NSS
Fort Smith CARS 756 801 94% 770 810 95% 6 25 NSS
Fort St John ATS 770 781 99% 784 787 100% 1 1 NSS
Gillam CWO 805 868 93% 855 905 94% 21 61 35%
Gjoa Haven AWOS/CARS 610 784 78% 667 821 81% 77 219 35%
Grande Prairie ATS 816 830 98% 818 832 98% 1 6 NSS
Hall Beach AWOS/CARS 630 744 85% 650 756 86% 56 153 36%
Hay River CARS 785 793 99% 794 796 100% 8 9 NSS
High Level ATS 771 824 93% 793 839 95% 6 33 NSS
Holman CARS 135 140 96% 139 145 96% 7 14 NSS
Igloolik CARS 126 161 78% 128 161 79% 18 57 NSS
Inuvik ATS/AA 597 798 75% 762 911 84% 87 183 47%
Iqaluit ATS/AA 787 829 95% 855 872 98% 19 29 NSS
Island Lake CWO 761 835 91% 823 874 94% 14 37 NSS
Kamloops ATS 853 853 100% 853 853 100% 0 0 NSS
Kelowna NCA 779 781 100% 779 781 100% 0 0 NSS
Kugaaruk CARS 152 173 88% 153 173 89% 9 17 NSS
Kugluktuk CARS 752 826 91% 781 850 92% 44 87 51%
La Ronge ATS 765 784 98% 772 790 98% 8 14 NSS
Lethbridge ATS/AWOS 839 846 99% 847 851 100% 1 2 NSS
Lloydminster ATS/NCA 781 783 100% 786 787 100% 2 2 NSS
Lutselk'e CARS 151 157 96% 152 157 97% 8 9 NSS
Lynn Lake NCA 778 820 95% 796 829 96% 26 40 NSS
Mackenzie NCA 590 593 100% 590 593 100% 4 4 NSS
Masset CWO 158 174 91% 171 182 94% 5 11 NSS
Mayo CARS 753 763 99% 716 745 96% 22 32 NSS
Medicine Hat ATS/NCA 767 770 100% 769 772 100% 4 4 NSS
Nanaimo ATS 387 402 96% 387 402 96% 6 19 NSS
Norman Wells ATS 746 788 95% 748 790 95% 28 46 NSS
North Battleford NCA 801 816 98% 806 819 98% 3 6 NSS
Norway House NCA 825 852 97% 843 867 97% 22 31 NSS
Old Crow CARS 352 362 97% 342 353 97% 11 23 NSS
Pangnirtung LWIS/CARS 147 154 95% 83 122 68% 13 38 NSS
Paulatuk CARS 127 138 92% 132 143 92% 11 35 NSS
Peace River ATS 762 779 98% 780 791 99% 2 9 NSS
Penticton ATS 762 762 100% 762 762 100% 0 0 NSS
Pond Inlet AWOS/CARS 752 827 91% 758 831 91% 64 106 60%
Port Hardy ATS 731 859 85% 773 898 86% 60 148 41%
Prince Albert ATS 826 873 95% 838 884 95% 11 34 NSS
Prince George NCA 853 924 92% 905 954 95% 22 53 42%
Prince Rupert NCA 723 835 87% 796 874 91% 41 76 54%
Qikiqtarjuaq AWOS/CARS 750 826 91% 478 604 79% 188 366 51%
Quesnel NCA 460 509 90% 457 506 90% 18 49 36%
Rae Lake CARS 126 141 89% 134 146 92% 3 14 NSS
Rankin Inlet ATS 677 780 87% 736 832 89% 55 132 41%
Red Deer ATS 776 778 100% 777 778 100% 2 4 NSS
Regina ATS/AA 842 855 98% 876 883 99% 12 14 NSS
Repulse Bay CARS 123 135 91% 126 136 93% 6 20 NSS
Resolute CARS 630 819 77% 881 998 88% 68 144 47%
Sachs Harbour CARS 143 194 74% 159 206 77% 7 24 NSS
Sandspit NCA 851 962 88% 962 1027 94% 47 68 69%
Saskatoon ATS/AA 792 795 100% 795 797 100% 1 1 NSS
Slave Lake NCA 809 809 100% 814 814 100% 1 1 NSS
Smithers ATS/NCA 392 403 97% 392 403 97% 4 6 NSS
Springbank CWO 446 452 99% 454 455 100% 1 2 NSS
Stony Rapids NCA 573 593 97% 576 593 97% 26 42 NSS
Swift Current NCA 444 470 95% 450 473 95% 5 14 NSS
Taloyoak CARS 789 841 94% 805 856 94% 41 69 59%
Terrace ATS 806 843 96% 872 886 98% 4 11 NSS
Teslin CARS 376 379 99% 287 339 85% 6 41 15%
The Pas CWO 850 881 96% 868 889 98% 20 23 NSS
Thompson ATS 786 838 94% 849 876 97% 20 30 NSS
Tofino CWO 284 320 89% 294 340 86% 26 104 25%
Tuktoyaktuk CARS 250 327 76% 271 359 75% 46 165 28%
Vancouver CWO 1499 1510 99% 1526 1526 100% 0 0 NSS
Victoria CWO 800 825 97% 820 838 98% 9 23 NSS
Victoria Harbour ATS 406 417 97% 407 419 97% 2 8 NSS
Watson Lake CARS 772 780 99% 783 785 100% 1 2 NSS
Whitecourt ATS 198 203 97% 198 203 97% 2 4 NSS
Whitehorse ATS 770 785 98% 786 789 100% 0 0 NSS
Williams Lake ATS 781 791 99% 783 791 99% 2 4 NSS
Winnipeg ATS/AA 817 839 97% 865 866 100% 5 5 NSS
Yellowknife ATS 871 937 93% 939 981 96% 25 46 NSS
Yorkton NCA 586 600 98% 587 602 98% 11 23 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable