TAF performance measurement results for TAFs issued during May 2013
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 788 868 91% 849 935 91% 54 147 37%
Bathurst CWO 498 596 84% 532 621 86% 35 120 29%
Big Trout Lake NCA 742 824 90% 766 841 91% 50 115 44%
Blanc Sablon CWO 691 794 87% 763 864 88% 169 473 36%
Buttonville CWO 818 857 95% 828 870 95% 24 93 26%
Cartwright CWO 694 794 87% 663 762 87% 92 337 27%
Chapleau CWO 350 395 89% 350 395 89% 16 68 23%
Charlottetown NCH 729 845 86% 867 963 90% 71 168 42%
Chibougamau-Chapais CWO 232 257 90% 243 263 92% 5 11 NSS
Churchill Falls NCA 769 890 86% 812 911 89% 95 160 60%
Deer Lake NCH 815 917 89% 957 1012 95% 57 88 65%
Dorval NCH 1562 1587 98% 1623 1626 100% 1 2 NSS
Dryden NCA 726 790 92% 814 863 94% 32 63 51%
Earlton NCA 395 403 98% 401 407 98% 7 15 NSS
Fredericton NCA 675 795 85% 881 938 94% 87 126 69%
Gander NCH 598 715 84% 880 988 89% 88 231 38%
Gaspé NCH 724 787 92% 771 836 92% 91 187 48%
Gatineau NCH 420 439 96% 435 445 98% 3 12 NSS
Geraldton CWO 728 869 84% 798 920 87% 68 235 29%
Gore Bay NCA 380 407 93% 395 413 95% 16 38 NSS
Halifax NCH 894 997 90% 1096 1270 86% 147 650 23%
Hamilton NCH 819 848 97% 842 867 97% 40 90 NSS
Havre St Pierre NCA 684 743 92% 733 797 92% 97 240 41%
Îles de la Madeleine NCH 436 478 91% 449 500 90% 84 241 35%
Inukjuak AWOS/CARS 759 853 89% 864 939 92% 102 234 44%
Ivujivik CARS 92 103 90% 107 113 95% 15 42 NSS
Kapuskasing CWO 761 868 88% 825 905 91% 77 181 42%
Kenora NCH 744 786 95% 792 815 97% 18 75 24%
Kingston NCH 635 650 98% 648 661 98% 8 24 NSS
Kuujjuaq ATS 794 873 91% 923 954 97% 21 46 NSS
Kuujjuarapik CWO 699 824 85% 779 884 88% 80 204 39%
La Grande IV NCA 201 214 94% 218 231 94% 9 22 NSS
La Grande Rivière NCH 779 883 88% 838 932 90% 65 122 53%
London NCH 851 885 96% 882 915 96% 10 34 NSS
Marathon CWO 149 167 89% 149 167 89% 10 41 NSS
Mary's Harbour AWOS/CWO 488 567 86% 523 595 88% 81 213 38%
Mirabel NCH 812 876 93% 893 925 96% 22 32 NSS
Moncton NCA/NCH 739 844 88% 1002 1041 96% 20 77 26%
Mont-Joli NCH 729 848 86% 796 902 88% 75 202 37%
Moosonee NCA 356 408 87% 392 442 88% 20 49 41%
Muskoka NCA 542 595 91% 571 612 93% 18 41 NSS
Nain CWO 362 399 91% 311 340 91% 59 161 37%
Natashquan AWOS 632 724 87% 672 786 85% 77 329 23%
North Bay NCH 698 793 88% 790 850 93% 41 102 40%
Ottawa NCH 1539 1590 97% 1655 1670 99% 23 30 NSS
Peterborough NCA 597 614 97% 605 620 97% 18 34 NSS
Pickle Lake NCA/NCH 386 394 98% 391 398 98% 5 14 NSS
Puvirnituq CARS 158 177 89% 181 193 94% 8 42 NSS
Quaqtaq CARS 118 141 84% 140 159 89% 10 47 NSS
Quebec City ATS 791 905 87% 877 970 90% 45 91 49%
Red Lake NCA/NCH 574 589 97% 588 602 98% 12 29 NSS
Roberval CWO 535 575 93% 547 580 94% 7 33 NSS
Rouyn-Noranda NCH 808 854 95% 840 875 96% 41 67 NSS
Sable Island AWOS 220 311 71% 220 311 71% 75 307 24%
Saint John NCH 556 669 83% 763 845 90% 125 344 36%
Sarnia NCA 578 609 95% 621 644 96% 34 46 NSS
Sault Ste Marie NCH 782 850 92% 832 883 94% 43 79 55%
Schefferville AWOS 717 841 85% 809 920 88% 90 197 46%
Sept-Îles ATS 676 735 92% 766 820 93% 85 141 60%
Sherbrooke NCA 426 446 96% 447 463 97% 9 14 NSS
Sioux Lookout NCH 722 798 90% 773 834 93% 46 95 48%
St Anthony NCA 677 824 82% 769 886 87% 150 311 48%
St Catharines NCH 232 234 99% 236 237 100% 4 4 NSS
St Hubert NCA 898 921 97% 930 946 98% 9 14 NSS
St John's NCH 500 630 79% 844 961 88% 93 293 32%
Stephenville CWO 875 939 93% 919 975 94% 32 81 40%
Sudbury NCH 768 851 90% 856 909 94% 25 88 29%
Sydney CWO 632 681 93% 728 827 88% 94 354 27%
Tasiujaq CARS 158 160 99% 159 161 99% 7 24 NSS
Thunder Bay NCH 761 815 93% 846 896 95% 44 117 38%
Timmins NCH 785 823 95% 834 876 95% 10 45 22%
Toronto City Centre NCA 860 901 95% 892 940 95% 30 66 45%
Toronto LBPI CWO 1564 1592 98% 1628 1652 99% 32 49 NSS
Val-d'Or NCA/NCH 781 862 91% 879 913 96% 42 53 NSS
Wabush NCH 756 817 92% 844 884 96% 31 65 NSS
Waskaganish CARS 125 126 99% 128 129 99% 1 3 NSS
Waterloo/Wellington NCA 649 672 97% 670 702 95% 6 29 NSS
Wawa CWO 228 253 90% 226 249 91% 16 38 NSS
Wiarton CWO 346 386 90% 350 392 89% 9 43 21%
Windsor CWO 904 917 99% 934 944 99% 4 6 NSS
Yarmouth NCH 485 582 83% 529 669 79% 113 544 21%
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 760 783 97% 794 808 98% 4 10 NSS
Arctic Bay NCH 123 130 94% 106 114 92% 14 35 NSS
Arviat NCA/NCH 659 847 78% 741 897 83% 87 285 31%
Baker Lake CARS 707 798 89% 765 842 91% 80 156 51%
Bella Bella NCA 414 441 94% 375 422 89% 39 80 49%
Brandon NCH 870 912 95% 945 979 97% 16 38 NSS
Buffalo Narrows NCH 418 420 99% 418 420 99% 1 2 NSS
Burwash NCA/NCH 833 854 98% 786 831 95% 26 49 NSS
Calgary Intl NCH 1640 1659 99% 1714 1714 100% 0 0 NSS
Cambridge Bay CARS 635 824 77% 691 860 80% 71 225 32%
Campbell River ATS 392 422 93% 437 441 99% 2 3 NSS
Cape Dorset NCA/NCH 696 811 86% 696 811 86% 117 288 41%
Castlegar NCH 419 419 100% 400 406 98% 15 22 NSS
Churchill NCH 742 897 83% 877 1025 86% 46 122 38%
Clyde River NCA/NCH 773 845 91% 777 849 92% 65 130 50%
Coral Harbour CARS 676 784 86% 704 803 88% 44 167 26%
Cranbrook NCH 774 796 97% 803 815 98% 11 14 NSS
Dauphin NCA 855 903 95% 881 922 96% 50 90 56%
Dawson City CARS 178 188 95% 175 186 94% 0 5 NSS
Dawson Creek NCA 419 438 96% 432 442 98% 7 14 NSS
Dease Lake NCA 379 382 99% 366 371 99% 16 18 NSS
Deline CARS 166 168 99% 166 168 99% 1 1 NSS
Edmonton Intl NCH 1567 1600 98% 1612 1633 99% 12 20 NSS
Edmonton Muni AWOS 865 883 98% 882 891 99% 8 9 NSS
Estevan CWO 345 382 90% 355 404 88% 11 38 28%
Eureka CWO 373 392 95% 378 396 96% 11 25 NSS
Faro CARS 204 204 100% 200 200 100% 3 3 NSS
Fort Chipewyan NCA 185 189 98% 186 189 98% 1 3 NSS
Fort Good Hope CARS 125 127 99% 126 128 99% 4 4 NSS
Fort McMurray NCA 848 849 100% 849 850 100% 1 1 NSS
Fort McPherson CARS 173 174 99% 173 174 99% 4 4 NSS
Fort Nelson NCH 770 809 95% 811 830 98% 10 19 NSS
Fort Simpson CARS 789 793 99% 792 794 100% 1 1 NSS
Fort Smith CARS 793 851 93% 827 860 96% 5 14 NSS
Fort St John NCH 770 825 93% 804 841 96% 11 28 NSS
Gillam CWO 824 931 88% 897 973 92% 24 68 35%
Gjoa Haven NCA/NCH 629 778 81% 685 840 82% 71 258 27%
Grande Prairie ATS 906 936 97% 933 949 98% 3 11 NSS
Hall Beach NCA/NCH 663 819 81% 794 903 88% 89 162 55%
Hay River CARS 787 807 97% 801 814 98% 5 14 NSS
High Level NCA/NCH 775 775 100% 776 776 100% 1 1 NSS
Holman CARS 150 168 90% 157 171 92% 6 15 NSS
Igloolik CARS 113 146 77% 119 153 78% 14 67 22%
Inuvik ATS/AA 740 806 92% 811 873 93% 29 83 35%
Iqaluit ATS/AA 813 904 90% 893 980 91% 50 106 47%
Island Lake CWO 745 780 96% 772 796 97% 13 54 NSS
Kamloops ATS 828 832 99% 813 824 99% 8 10 NSS
Kelowna NCA 793 800 99% 793 800 99% 10 11 NSS
Key Lake NCA 391 417 94% 420 430 98% 7 9 NSS
Kugaaruk CARS 188 208 90% 200 210 95% 13 18 NSS
Kugluktuk CARS 771 855 90% 812 883 92% 66 155 43%
La Ronge ATS 790 798 99% 795 804 99% 4 18 NSS
Lethbridge NCH/AWOS 891 904 99% 912 915 100% 4 4 NSS
Lloydminster NCA/NCH 833 843 99% 837 846 99% 17 21 NSS
Lutselk'e CARS 183 183 100% 183 183 100% 2 2 NSS
Lynn Lake NCA 795 818 97% 797 820 97% 4 22 NSS
Mackenzie NCA 584 585 100% 584 585 100% 5 6 NSS
Masset CWO 192 238 80% 209 246 85% 21 48 NSS
Mayo CARS 796 831 96% 761 810 94% 22 42 NSS
Medicine Hat NCA/NCH 838 843 99% 844 848 100% 3 3 NSS
Nanaimo NCH 385 402 96% 389 406 96% 6 11 NSS
Norman Wells NCH 759 773 98% 759 773 98% 29 50 NSS
North Battleford NCA 877 890 98% 899 907 99% 29 33 NSS
Norway House NCA 741 771 96% 751 786 96% 10 30 NSS
Old Crow CARS 391 401 98% 387 398 97% 12 18 NSS
Pangnirtung NCA/NCH 151 151 100% 78 97 80% 26 56 NSS
Paulatuk CARS 164 177 93% 172 188 92% 12 21 NSS
Peace River ATS 830 847 98% 836 854 98% 5 9 NSS
Penticton NCH 788 788 100% 775 775 100% 13 13 NSS
Pond Inlet NCA/NCH 634 836 76% 669 854 78% 51 95 54%
Port Hardy ATS 738 802 92% 820 873 94% 26 78 33%
Prince Albert ATS 812 827 98% 822 843 97% 7 20 NSS
Prince George NCA 900 924 97% 908 933 97% 8 26 NSS
Prince Rupert NCA 730 824 89% 801 885 90% 31 82 38%
Qikiqtarjuaq NCA/NCH 784 855 92% 552 694 80% 129 276 47%
Quesnel NCA 430 446 96% 427 446 96% 5 22 NSS
Rae Lake CARS 170 172 98% 175 177 99% 7 8 NSS
Rankin Inlet NCH 614 817 75% 708 921 77% 52 249 21%
Red Deer ATS 798 820 97% 820 836 98% 14 37 NSS
Regina ATS/AA 807 834 97% 849 872 97% 21 33 NSS
Repulse Bay CARS 132 163 81% 142 171 83% 10 30 NSS
Resolute CARS 586 765 77% 728 857 85% 81 258 31%
Sachs Harbour CARS 101 126 81% 119 146 82% 26 56 NSS
Sandspit NCA 731 839 87% 805 882 91% 30 62 48%
Saskatoon NCH 841 857 98% 876 883 99% 10 14 NSS
Slave Lake NCA 864 884 98% 869 886 98% 16 20 NSS
Smithers NCA/NCH 385 391 98% 385 391 98% 5 10 NSS
Springbank NCH 449 480 94% 505 512 98% 5 7 NSS
Stony Rapids NCA 826 835 99% 837 840 100% 7 9 NSS
Swift Current NCA 895 905 99% 904 907 100% 5 5 NSS
Taloyoak CARS 679 838 81% 790 913 87% 83 140 59%
Terrace NCH 775 823 94% 847 862 98% 13 22 NSS
Teslin CARS 178 180 99% 178 179 99% 3 7 NSS
The Pas CWO 836 853 98% 843 856 98% 23 32 NSS
Thompson ATS 815 831 98% 828 853 97% 6 18 NSS
Tofino CWO 341 361 94% 346 366 95% 27 51 NSS
Tuktoyaktuk CARS 383 414 92% 400 441 91% 13 64 21%
Vancouver CWO 1546 1562 99% 1581 1581 100% 0 0 NSS
Victoria CWO 776 793 98% 811 815 100% 5 6 NSS
Victoria Harbour ATS 392 403 97% 396 409 97% 7 19 NSS
Watson Lake CARS 812 829 98% 814 833 98% 2 7 NSS
Whitecourt ATS 192 196 98% 196 198 99% 4 6 NSS
Whitehorse NCH 783 786 100% 790 790 100% 0 0 NSS
Williams Lake NCH 871 909 96% 872 910 96% 16 26 NSS
Winnipeg NCH/AA 839 873 96% 912 913 100% 1 2 NSS
Yellowknife NCH 802 804 100% 808 810 100% 1 1 NSS
Yorkton NCA 551 574 96% 564 579 97% 7 15 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable