TAF performance measurement results for TAFs issued during May 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 799 870 92% 844 915 92% 46 79 58%
Bathurst CWO 556 612 91% 580 637 91% 26 68 37%
Big Trout Lake NCA 770 893 86% 813 916 89% 76 174 43%
Blanc Sablon CWO 723 769 94% 763 810 94% 168 400 42%
Buttonville CWO 844 875 96% 862 882 98% 20 57 NSS
Cartwright CWO 739 790 94% 724 773 94% 90 283 32%
Chapleau CWO 390 414 94% 390 414 94% 15 30 NSS
Charlottetown ATS 718 804 89% 815 871 94% 39 94 42%
Chibougamau-Chapais CWO 375 411 91% 403 433 93% 10 17 NSS
Churchill Falls NCA 725 788 92% 771 818 94% 69 124 56%
Deer Lake NCH 797 837 95% 855 879 97% 16 25 NSS
Dorval CWO 1501 1576 95% 1647 1672 98% 6 25 NSS
Dryden NCA 790 893 88% 949 989 96% 53 74 NSS
Earlton NCA 397 400 99% 401 401 100% 7 7 NSS
Fredericton NCA 726 809 90% 882 916 96% 35 66 NSS
Gander NCH 618 742 83% 910 975 93% 59 166 36%
Gaspé CWO 774 814 95% 815 839 97% 37 110 34%
Gatineau ATS 385 410 94% 407 425 96% 15 37 NSS
Geraldton CWO 758 905 84% 801 947 85% 62 205 31%
Gore Bay NCA 381 395 96% 388 402 97% 12 23 NSS
Halifax ATS 1098 1227 89% 1351 1493 91% 103 274 38%
Hamilton NCH 859 892 96% 898 930 97% 23 55 NSS
Havre St Pierre NCA 714 799 89% 735 825 89% 47 159 30%
Îles de la Madeleine ATS 443 509 87% 454 527 86% 25 139 18%
Inukjuak AWOS/CARS 689 893 77% 822 1005 82% 160 385 42%
Ivujivik CARS 127 144 88% 142 153 93% 22 40 NSS
Kapuskasing CWO 751 833 90% 843 888 95% 54 98 56%
Kenora ATS 755 881 86% 823 942 87% 45 145 31%
Kingston ATS 606 640 95% 624 658 95% 11 37 NSS
Kuujjuaq ATS 757 869 87% 916 1000 92% 25 63 40%
Kuujjuarapik CWO 765 910 84% 913 1020 89% 118 319 37%
La Grande IV NCA 214 245 87% 233 262 89% 6 25 NSS
La Grande Rivière ATS 731 875 84% 792 923 86% 53 175 30%
London NCH 879 908 97% 930 950 98% 13 26 NSS
Marathon CWO 162 193 84% 162 193 84% 8 32 NSS
Mary's Harbour AWOS/CWO 500 535 93% 531 566 94% 39 164 24%
Mirabel ATS 829 871 95% 951 986 96% 26 58 NSS
Moncton CWO 727 797 91% 860 894 96% 17 29 NSS
Mont-Joli ATS 797 832 96% 812 860 94% 34 107 32%
Moosonee NCA 443 454 98% 458 467 98% 15 24 NSS
Muskoka NCA 565 598 95% 579 606 96% 11 35 NSS
Nain CWO 395 431 92% 334 387 86% 39 134 29%
Natashquan AWOS 685 797 86% 712 832 86% 51 223 23%
North Bay CWO 862 921 94% 910 960 95% 18 55 32%
Ottawa NCH 1406 1488 94% 1541 1616 95% 14 93 15%
Peterborough NCA 619 630 98% 630 637 99% 17 26 NSS
Pickle Lake CWO 335 358 94% 374 404 93% 26 53 NSS
Puvirnituq CARS 153 168 91% 171 191 89% 18 38 NSS
Quaqtaq CARS 110 146 76% 124 159 78% 26 78 34%
Quebec City ATS 785 845 93% 884 927 95% 33 80 41%
Red Lake NCH 500 581 86% 529 611 87% 24 92 26%
Roberval CWO 528 563 94% 532 572 93% 11 42 NSS
Rouyn-Noranda ATS 803 858 94% 820 874 94% 27 57 47%
Sable Island AWOS 283 323 88% 283 323 88% 68 211 32%
Saint John ATS 656 777 84% 835 925 90% 68 255 27%
Sarnia NCA 611 623 98% 637 644 99% 6 15 NSS
Sault Ste Marie NCH 803 860 93% 862 918 94% 30 99 30%
Schefferville AWOS 789 876 90% 862 931 93% 45 83 54%
Sept-Îles ATS 728 788 92% 790 850 93% 97 191 51%
Sherbrooke NCA 412 445 93% 436 460 95% 21 32 NSS
Sioux Lookout ATS 795 910 87% 882 981 90% 65 141 46%
St Anthony NCA 642 777 83% 684 818 84% 125 452 28%
St Catharines NCH 239 239 100% 239 239 100% 2 2 NSS
St Hubert NCA 870 922 94% 955 984 97% 22 49 NSS
St John's NCH 625 695 90% 846 902 94% 109 278 39%
Stephenville CWO 842 845 100% 873 876 100% 10 12 NSS
Sudbury CWO 815 841 97% 844 863 98% 7 27 NSS
Sydney CWO 635 749 85% 740 867 85% 62 215 29%
Tasiujaq CARS 142 149 95% 146 152 96% 4 8 NSS
Thunder Bay NCH 903 984 92% 988 1045 95% 74 113 65%
Timmins ATS 807 913 88% 907 972 93% 53 71 75%
Toronto City Centre NCA 878 948 93% 946 992 95% 13 37 NSS
Toronto LBPI CWO 1511 1539 98% 1573 1588 99% 2 5 NSS
Val-d'Or NCA/ATS 788 863 91% 884 927 95% 21 44 NSS
Wabush ATS 789 866 91% 905 960 94% 25 68 37%
Waskaganish CARS 101 107 95% 112 114 99% 8 11 NSS
Waterloo/Wellington NCA 668 690 97% 706 716 99% 8 16 NSS
Wawa CWO 240 265 91% 234 260 90% 12 28 NSS
Wiarton CWO 410 421 97% 425 429 99% 11 20 NSS
Windsor CWO 947 966 98% 987 997 99% 21 31 NSS
Yarmouth NCH 619 690 90% 697 780 89% 86 344 25%
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 752 773 97% 767 784 98% 4 10 NSS
Arctic Bay AWS 150 155 97% 137 145 95% 6 14 NSS
Arviat AWOS/CARS 580 713 81% 679 790 86% 81 248 33%
Baker Lake CARS 754 832 91% 828 884 94% 55 104 53%
Bella Bella NCA 422 438 96% 404 428 94% 22 37 NSS
Brandon ATS 830 911 91% 938 988 95% 37 80 47%
Buffalo Narrows CWO 374 391 96% 383 391 98% 5 15 NSS
Burwash NCA 815 849 96% 758 816 93% 33 64 52%
Calgary Intl CWO 1599 1651 97% 1717 1754 98% 25 34 NSS
Cambridge Bay CARS 299 558 54% 386 676 57% 109 599 18%
Campbell River ATS 393 397 99% 396 400 99% 4 12 NSS
Cape Dorset AWOS/CARS 582 738 79% 582 738 79% 154 327 47%
Castlegar ATS 417 417 100% 399 401 100% 16 16 NSS
Churchill NCH 762 889 86% 977 1056 92% 31 73 42%
Clyde River AWOS/CARS 584 758 77% 615 779 79% 125 285 44%
Coral Harbour CARS 595 730 82% 642 786 82% 45 169 26%
Cranbrook ATS 783 783 100% 783 783 100% 0 0 NSS
Dauphin NCA 791 891 89% 866 949 91% 54 87 63%
Dawson City CARS 185 186 99% 183 184 99% 7 7 NSS
Dawson Creek NCA 428 435 98% 433 438 99% 8 11 NSS
Deline CARS 148 164 91% 151 166 91% 1 7 NSS
Edmonton Intl NCH 1552 1588 98% 1622 1633 99% 8 17 NSS
Edmonton Muni AWOS 863 888 97% 880 895 98% 20 29 NSS
Estevan CWO 379 427 89% 400 450 89% 10 55 19%
Eureka CWO 367 380 96% 369 382 97% 4 20 NSS
Faro CARS 185 185 100% 183 183 100% 3 3 NSS
Fort Chipewyan NCA 196 201 98% 203 204 100% 5 5 NSS
Fort Good Hope CARS 194 201 96% 200 206 97% 5 14 NSS
Fort McMurray NCA 839 857 98% 867 872 99% 1 1 NSS
Fort McPherson CARS 144 157 92% 149 159 94% 6 8 NSS
Fort Nelson ATS 865 894 97% 898 917 98% 16 35 NSS
Fort Simpson CARS 740 798 93% 747 801 93% 20 65 30%
Fort Smith CARS 795 805 99% 797 808 99% 5 8 NSS
Fort St John ATS 788 816 97% 803 824 97% 12 17 NSS
Gillam CWO 833 934 89% 923 970 95% 39 55 NSS
Gjoa Haven AWOS/CARS 472 746 63% 568 831 68% 150 401 37%
Grande Prairie ATS 851 865 98% 882 893 99% 9 12 NSS
Hall Beach AWOS/CARS 699 828 84% 777 894 87% 123 183 67%
Hay River CARS 786 820 96% 807 831 97% 14 26 NSS
High Level NCA 876 886 99% 894 894 100% 8 8 NSS
Holman CARS 125 135 92% 138 148 93% 1 13 NSS
Igloolik CARS 128 154 83% 136 161 84% 31 53 NSS
Inuvik ATS/AA 715 800 89% 817 899 91% 35 92 38%
Iqaluit ATS/AA 764 908 84% 902 986 91% 71 106 68%
Island Lake CWO 795 869 92% 835 891 94% 15 55 27%
Kamloops ATS 835 835 100% 835 835 100% 0 0 NSS
Kelowna NCA 770 782 98% 770 782 98% 3 5 NSS
Key Lake NCA 382 394 97% 402 409 98% 16 25 NSS
Kugaaruk CARS 148 180 82% 159 183 87% 22 42 NSS
Kugluktuk CARS 521 802 65% 578 847 68% 110 401 27%
La Ronge ATS 771 835 92% 802 857 94% 16 41 38%
Lethbridge NCH/AWOS 892 935 95% 944 964 98% 12 15 NSS
Lloydminster ATS/NCA 777 819 95% 790 826 96% 17 52 NSS
Lutselk'e CARS 177 177 100% 177 177 100% 0 0 NSS
Lynn Lake NCA 526 553 95% 546 572 95% 10 19 NSS
Mackenzie NCA 631 634 100% 631 634 100% 4 6 NSS
Masset CWO 263 282 93% 285 299 95% 8 22 NSS
Mayo CARS 767 772 99% 750 766 98% 6 10 NSS
Medicine Hat NCH/NCA 920 954 96% 968 976 99% 23 26 NSS
Nanaimo ATS 380 386 99% 386 388 100% 10 14 NSS
Norman Wells ATS 749 778 96% 749 778 96% 36 72 NSS
North Battleford NCA 808 829 97% 842 858 98% 14 28 NSS
Norway House NCA 821 847 97% 837 860 97% 14 27 NSS
Old Crow CARS 365 377 97% 353 367 96% 9 17 NSS
Pangnirtung LWIS/CARS 158 168 94% 81 106 76% 35 73 NSS
Paulatuk CARS 144 165 87% 151 173 87% 6 37 NSS
Peace River ATS 752 765 98% 758 767 99% 8 11 NSS
Penticton NCH 822 822 100% 817 818 100% 3 3 NSS
Pond Inlet AWOS/CARS 682 748 91% 685 748 92% 35 124 28%
Port Hardy ATS 794 820 97% 822 841 98% 5 8 NSS
Prince Albert ATS 814 853 95% 899 919 98% 11 19 NSS
Prince George NCA 851 880 97% 857 883 97% 9 21 NSS
Prince Rupert NCA 833 854 98% 867 879 99% 4 16 NSS
Qikiqtarjuaq AWOS/CARS 641 793 81% 334 553 60% 135 484 28%
Quesnel NCA 399 411 97% 398 411 97% 5 16 NSS
Rae Lake CARS 156 161 97% 164 166 99% 6 10 NSS
Rankin Inlet ATS 612 782 78% 693 850 82% 94 257 36%
Red Deer ATS 821 868 95% 856 895 96% 28 43 NSS
Regina ATS/AA 823 940 88% 989 1039 95% 26 62 42%
Repulse Bay CARS 102 125 82% 108 126 85% 20 35 NSS
Resolute CARS 560 779 72% 806 929 87% 102 201 51%
Sachs Harbour CARS 146 157 93% 155 170 92% 5 22 NSS
Sandspit NCA 843 872 97% 912 917 100% 2 3 NSS
Saskatoon NCH 795 869 91% 948 964 98% 8 21 NSS
Slave Lake NCA 818 826 99% 835 838 100% 9 10 NSS
Smithers NCH/NCA 417 417 100% 417 417 100% 1 1 NSS
Springbank CWO 466 491 95% 496 515 96% 18 26 NSS
Stony Rapids NCA 778 806 97% 780 807 97% 6 25 NSS
Swift Current NCA 875 938 93% 927 998 93% 36 94 38%
Taloyoak CARS 701 838 84% 802 917 87% 63 169 37%
Terrace ATS 807 823 98% 837 842 99% 3 5 NSS
Teslin CARS 186 186 100% 180 186 97% 0 0 NSS
The Pas CWO 817 878 93% 853 896 95% 10 20 NSS
Thompson ATS 851 898 95% 907 927 98% 7 12 NSS
Tofino CWO 371 380 98% 380 388 98% 4 12 NSS
Tuktoyaktuk CARS 305 378 81% 341 407 84% 49 129 38%
Vancouver CWO 1515 1527 99% 1545 1545 100% 0 0 NSS
Victoria CWO 804 829 97% 832 844 99% 2 6 NSS
Victoria Harbour ATS 402 411 98% 405 415 98% 5 13 NSS
Watson Lake CARS 855 865 99% 876 876 100% 0 0 NSS
Whitecourt ATS 179 185 97% 185 188 99% 6 8 NSS
Whitehorse ATS 784 802 98% 799 808 99% 4 13 NSS
Williams Lake ATS 789 796 99% 789 796 99% 2 5 NSS
Winnipeg ATS/AA 865 973 89% 1068 1085 98% 29 35 NSS
Yellowknife ATS 764 795 96% 781 804 97% 4 13 NSS
Yorkton NCA 588 610 96% 657 680 97% 10 30 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable