TAF performance measurement results for TAFs issued during August 2012
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 791 911 87% 850 972 87% 49 146 34%
Bathurst CWO 553 627 88% 564 649 87% 20 84 24%
Big Trout Lake NCA 815 883 92% 828 891 93% 42 79 53%
Blanc Sablon CWO 723 806 90% 766 851 90% 82 269 31%
Buttonville CWO 853 886 96% 865 893 97% 26 43 NSS
Cartwright CWO 899 997 90% 888 983 90% 59 122 49%
Chapleau CWO 422 435 97% 422 435 97% 11 17 NSS
Charlottetown ATS 775 863 90% 859 921 93% 40 84 48%
Chibougamau-Chapais CWO 429 459 93% 462 472 98% 22 28 NSS
Churchill Falls NCA 766 838 91% 814 872 93% 36 70 52%
Deer Lake NCH 879 945 93% 943 997 95% 43 71 61%
Dorval CWO 1513 1552 97% 1637 1637 100% 2 2 NSS
Dryden NCA 838 891 94% 894 930 96% 24 33 NSS
Earlton NCA 430 443 97% 438 448 98% 12 21 NSS
Fredericton NCA 737 842 88% 857 911 94% 68 102 67%
Gander NCH 735 856 86% 947 1024 92% 52 136 38%
Gaspé CWO 727 785 93% 747 808 92% 74 208 36%
Gatineau ATS 389 396 98% 392 405 97% 11 24 NSS
Geraldton CWO 921 986 93% 961 1006 96% 24 47 NSS
Gore Bay NCA 401 401 100% 404 404 100% 4 4 NSS
Halifax ATS 1090 1326 82% 1322 1523 87% 147 397 37%
Hamilton NCH 848 898 94% 893 924 97% 29 52 NSS
Havre St Pierre NCA 699 830 84% 734 857 86% 85 258 33%
Îles de la Madeleine ATS 509 573 89% 535 589 91% 48 84 58%
Inukjuak AWOS/CARS 681 798 85% 729 843 86% 73 249 30%
Ivujivik CARS 99 124 80% 116 140 83% 34 74 NSS
Kapuskasing CWO 903 975 93% 962 1017 95% 34 73 47%
Kenora ATS 856 888 96% 885 903 98% 27 34 NSS
Kingston NCH 616 620 99% 620 622 100% 7 9 NSS
Kuujjuaq ATS 706 785 90% 842 878 96% 20 51 NSS
Kuujjuarapik CWO 700 852 82% 774 910 85% 91 263 35%
La Grande IV NCA 233 249 93% 252 265 95% 16 27 NSS
La Grande Rivière ATS 688 822 84% 730 866 84% 109 262 42%
London NCH 859 902 95% 927 950 98% 14 34 NSS
Marathon CWO 183 198 92% 183 198 92% 6 16 NSS
Mary's Harbour AWOS/CWO 583 647 90% 630 679 93% 40 99 41%
Mirabel ATS 813 863 94% 879 923 95% 17 33 NSS
Moncton NCA/NCH 839 899 93% 947 974 97% 23 41 NSS
Mont-Joli ATS 743 819 91% 758 839 90% 60 154 39%
Moosonee NCA 419 448 94% 450 471 96% 21 33 NSS
Muskoka NCA 577 586 98% 589 593 99% 17 21 NSS
Nain CWO 324 358 91% 291 297 98% 49 159 31%
Natashquan AWOS 654 708 92% 690 747 92% 67 136 49%
North Bay CWO 845 972 87% 948 1046 91% 26 78 33%
Ottawa NCH 1508 1560 97% 1605 1632 98% 19 40 NSS
Peterborough NCA 551 572 96% 559 574 97% 25 45 NSS
Pickle Lake NCH 404 436 93% 424 451 94% 13 52 NSS
Puvirnituq CARS 148 159 93% 163 166 98% 8 14 NSS
Quaqtaq CARS 89 109 81% 89 112 79% 31 88 35%
Quebec City ATS 825 896 92% 913 959 95% 34 73 47%
Red Lake NCH 604 649 93% 618 649 95% 14 26 NSS
Roberval CWO 593 609 97% 601 622 97% 2 10 NSS
Rouyn-Noranda ATS 887 939 95% 919 956 96% 59 112 53%
Sable Island AWOS 278 327 85% 278 327 85% 70 185 38%
Saint John NCH 533 632 84% 658 754 87% 78 360 22%
Sarnia NCA 625 634 99% 644 646 100% 3 3 NSS
Sault Ste Marie NCH 918 964 95% 942 983 96% 14 27 NSS
Schefferville AWOS 751 780 96% 773 792 98% 11 14 NSS
Sept-Îles ATS 646 781 83% 728 842 86% 60 217 28%
Sherbrooke NCA 427 430 99% 441 447 99% 3 9 NSS
Sioux Lookout ATS 882 928 95% 930 960 97% 29 42 NSS
St Anthony NCA 798 891 89% 875 943 93% 66 117 57%
St Catharines NCH 226 229 99% 226 229 99% 3 4 NSS
St Hubert NCA 849 889 96% 884 924 96% 12 28 NSS
St John's NCH 678 818 83% 1012 1091 93% 89 161 55%
Stephenville CWO 828 898 92% 934 953 98% 32 38 NSS
Sudbury CWO 876 946 93% 956 996 96% 26 48 NSS
Sydney CWO 729 872 84% 892 967 92% 117 200 59%
Tasiujaq CARS 158 163 97% 165 170 97% 15 25 NSS
Thunder Bay NCH 844 862 98% 870 884 98% 10 18 NSS
Timmins NCH 905 997 91% 977 1043 94% 18 48 37%
Toronto City Centre NCA 854 865 99% 889 892 100% 12 13 NSS
Toronto LBPI CWO 1581 1605 98% 1651 1651 100% 0 0 NSS
Val-d'Or NCA/ATS 870 942 92% 968 1012 96% 36 67 NSS
Wabush ATS 861 898 96% 957 976 98% 20 33 NSS
Waskaganish CARS 69 72 96% 71 74 96% 2 4 NSS
Waterloo/Wellington NCA 652 674 97% 689 699 99% 15 27 NSS
Wawa CWO 261 267 98% 260 265 98% 14 17 NSS
Wiarton CWO 377 385 98% 382 387 99% 22 29 NSS
Windsor CWO 839 862 97% 885 894 99% 5 7 NSS
Yarmouth NCH 454 573 79% 512 650 79% 145 664 22%
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 812 820 99% 828 834 99% 1 2 NSS
Arctic Bay NCH 134 147 91% 106 123 87% 22 49 NSS
Arviat NCA/CARS 779 822 95% 798 834 96% 26 64 NSS
Baker Lake CARS 835 861 97% 841 863 97% 6 21 NSS
Bella Bella NCA 392 449 87% 344 428 80% 38 96 40%
Brandon ATS 891 903 99% 914 918 100% 8 10 NSS
Buffalo Narrows CWO 428 437 98% 432 441 98% 9 15 NSS
Burwash NCA/NCH 828 837 99% 792 807 98% 39 46 NSS
Calgary Intl NCH 1690 1702 99% 1722 1722 100% 0 0 NSS
Cambridge Bay CARS 636 796 80% 662 812 82% 69 259 27%
Campbell River ATS 374 384 97% 389 389 100% 0 0 NSS
Cape Dorset NCA/NCH 406 570 71% 406 570 71% 117 440 27%
Castlegar ATS 372 372 100% 371 371 100% 0 1 NSS
Churchill NCH 748 825 91% 801 883 91% 33 121 27%
Clyde River AWOS/CARS 422 638 66% 453 653 69% 128 410 31%
Coral Harbour CARS 717 811 88% 762 837 91% 42 94 44%
Cranbrook ATS 807 807 100% 807 807 100% 0 0 NSS
Dauphin NCA 820 864 95% 839 879 95% 13 21 NSS
Dawson City CARS 392 403 97% 386 402 96% 6 15 NSS
Dawson Creek NCA 378 382 99% 379 382 99% 4 4 NSS
Deline CARS 171 176 98% 173 176 98% 4 5 NSS
Edmonton Intl NCH 1588 1607 99% 1638 1639 100% 8 9 NSS
Edmonton Muni AWOS 916 935 98% 941 953 99% 7 8 NSS
Estevan CWO 397 408 97% 409 413 99% 3 4 NSS
Eureka CWO 397 399 99% 398 399 100% 5 6 NSS
Faro CARS 363 365 99% 353 360 98% 9 17 NSS
Fort Chipewyan NCA 198 213 93% 206 216 95% 9 15 NSS
Fort Good Hope CARS 217 228 95% 217 228 95% 0 2 NSS
Fort McMurray NCA 910 950 96% 937 966 97% 4 20 NSS
Fort McPherson CARS 151 154 98% 152 154 99% 1 2 NSS
Fort Nelson ATS 824 839 98% 842 850 99% 6 8 NSS
Fort Simpson CARS 769 828 93% 786 833 94% 12 28 NSS
Fort Smith CARS 793 867 92% 832 905 92% 36 77 46%
Fort St John ATS 790 791 100% 793 793 100% 0 0 NSS
Gillam CWO 756 848 89% 820 888 92% 16 79 21%
Gjoa Haven AWOS/CARS 656 802 82% 705 834 85% 81 194 41%
Grande Prairie ATS 814 823 99% 821 829 99% 3 6 NSS
Hall Beach NCA/NCH 629 775 81% 653 795 82% 73 265 27%
Hay River CARS 798 831 96% 829 852 97% 13 21 NSS
High Level NCA/NCH 801 831 96% 816 845 97% 27 46 NSS
Holman CARS 171 178 96% 180 185 97% 1 3 NSS
Igloolik CARS 136 166 82% 137 168 82% 10 55 NSS
Inuvik ATS/AA 797 846 94% 835 866 96% 11 25 NSS
Iqaluit ATS/AA 641 761 84% 730 871 84% 86 257 34%
Island Lake CWO 908 951 95% 973 989 98% 18 23 NSS
Kamloops ATS 835 835 100% 835 835 100% 0 0 NSS
Kelowna NCA 773 776 100% 773 776 100% 0 0 NSS
Key Lake NCA 410 440 93% 452 459 98% 14 16 NSS
Kugaaruk CARS 162 185 88% 164 185 89% 6 14 NSS
Kugluktuk CARS 791 882 90% 824 896 92% 63 112 56%
La Ronge ATS 843 891 95% 886 916 97% 16 25 NSS
Lethbridge NCH/AWOS 883 883 100% 886 886 100% 0 0 NSS
Lloydminster NCH/NCA 884 923 96% 906 934 97% 27 39 NSS
Lutselk'e CARS 142 144 98% 142 144 98% 3 8 NSS
Lynn Lake NCA 867 949 91% 900 970 93% 52 100 52%
Mackenzie NCA 582 584 100% 582 584 100% 0 1 NSS
Masset CWO 159 175 91% 172 192 90% 19 29 NSS
Mayo CARS 766 769 100% 740 760 97% 16 22 NSS
Medicine Hat NCH/NCA 850 858 99% 856 860 99% 2 3 NSS
Nanaimo ATS 394 394 100% 395 395 100% 0 0 NSS
Norman Wells ATS 805 837 96% 805 837 96% 20 26 NSS
North Battleford NCA 878 898 98% 900 914 99% 26 35 NSS
Norway House NCA 822 878 94% 864 902 96% 18 37 NSS
Old Crow CARS 398 398 100% 375 387 97% 15 22 NSS
Pangnirtung LWIS/CARS 153 173 89% 97 123 79% 43 82 NSS
Paulatuk CARS 151 169 89% 158 174 91% 7 24 NSS
Peace River ATS 822 825 100% 830 833 100% 4 5 NSS
Penticton NCH 792 792 100% 792 792 100% 0 0 NSS
Pond Inlet AWOS/CARS 734 832 88% 752 844 89% 62 144 43%
Port Hardy ATS 813 894 91% 872 960 91% 45 136 33%
Prince Albert ATS 854 885 96% 901 921 98% 21 32 NSS
Prince George NCA 796 810 98% 801 813 98% 6 10 NSS
Prince Rupert NCA 756 895 84% 848 962 88% 56 138 41%
Qikiqtarjuaq AWOS/CARS 605 717 84% 440 591 74% 109 362 30%
Quesnel NCA 391 422 93% 391 421 93% 15 31 NSS
Rae Lake CARS 157 166 94% 161 169 95% 4 10 NSS
Rankin Inlet ATS 767 796 96% 792 808 98% 19 28 NSS
Red Deer ATS 952 973 98% 964 980 98% 7 9 NSS
Regina ATS/AA 866 890 97% 902 910 99% 11 12 NSS
Repulse Bay CARS 133 148 90% 134 149 90% 2 7 NSS
Resolute CARS 627 801 78% 772 930 83% 113 234 48%
Sachs Harbour CARS 113 145 78% 125 154 81% 15 54 NSS
Sandspit NCA 851 925 92% 945 982 96% 13 29 NSS
Saskatoon NCH 842 849 99% 864 864 100% 2 2 NSS
Slave Lake NCA 833 838 99% 842 844 100% 10 10 NSS
Smithers NCH/NCA 403 405 100% 403 405 100% 3 5 NSS
Springbank NCH 445 454 98% 460 467 98% 2 3 NSS
Stony Rapids NCA 883 925 95% 889 927 96% 35 47 NSS
Swift Current NCA 800 834 96% 819 842 97% 7 17 NSS
Taloyoak CARS 772 816 95% 791 830 95% 62 84 NSS
Terrace ATS 812 841 97% 838 852 98% 7 15 NSS
Teslin CARS 392 399 98% 382 395 97% 5 10 NSS
The Pas CWO 847 899 94% 864 912 95% 15 37 NSS
Thompson ATS 868 930 93% 917 955 96% 14 27 NSS
Tofino CWO 309 359 86% 319 375 85% 29 65 44%
Tuktoyaktuk CARS 362 396 91% 390 415 94% 18 40 NSS
Vancouver CWO 1537 1548 99% 1554 1554 100% 0 0 NSS
Victoria CWO 755 757 100% 760 760 100% 0 0 NSS
Victoria Harbour ATS 371 371 100% 372 372 100% 0 0 NSS
Watson Lake CARS 788 788 100% 796 796 100% 0 0 NSS
Whitecourt ATS 197 202 97% 207 212 98% 3 8 NSS
Whitehorse ATS 777 816 95% 799 826 97% 7 11 NSS
Williams Lake ATS 824 850 97% 824 850 97% 8 16 NSS
Winnipeg ATS/AA 866 888 97% 907 907 100% 0 1 NSS
Yellowknife ATS 796 839 95% 845 872 97% 10 30 NSS
Yorkton NCA 571 573 100% 577 578 100% 5 5 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable