TAF performance measurement results for TAFs issued during April 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 735 812 91% 810 891 91% 64 127 51%
Bathurst CWO 539 563 96% 545 575 95% 17 84 20%
Big Trout Lake NCA 760 833 91% 774 839 92% 49 116 42%
Blanc Sablon CWO 714 814 88% 789 865 91% 106 212 50%
Buttonville CWO 780 827 94% 824 869 95% 47 75 NSS
Cartwright CWO 733 804 91% 714 785 91% 65 206 32%
Chapleau CWO 339 390 87% 339 390 87% 29 100 29%
Charlottetown NCH 653 751 87% 809 923 88% 98 196 50%
Chibougamau-Chapais CWO 208 264 79% 217 268 81% 7 22 NSS
Churchill Falls NCA 719 787 91% 743 818 91% 74 129 57%
Deer Lake NCH 800 866 92% 916 961 95% 52 65 NSS
Dorval NCH 1443 1468 98% 1531 1536 100% 10 14 NSS
Dryden NCA 725 781 93% 791 834 95% 28 56 NSS
Earlton NCA 349 393 89% 364 405 90% 40 84 48%
Fredericton NCA 673 739 91% 834 883 94% 55 97 57%
Gander NCH 724 843 86% 1001 1059 95% 28 78 36%
Gaspé NCH 745 778 96% 779 811 96% 56 146 39%
Gatineau NCH 344 352 98% 356 366 97% 7 19 NSS
Geraldton CWO 645 763 85% 685 782 88% 64 197 32%
Gore Bay NCA 358 382 94% 377 389 97% 23 39 NSS
Halifax NCH 980 1156 85% 1282 1452 88% 91 368 25%
Hamilton NCH 830 877 95% 893 940 95% 57 120 47%
Havre St Pierre NCA 635 741 86% 670 779 86% 77 256 30%
Îles de la Madeleine NCH 507 552 92% 543 590 92% 39 104 37%
Inukjuak AWOS/CARS 626 838 75% 688 874 79% 91 235 39%
Ivujivik CARS 113 133 85% 127 142 90% 20 42 NSS
Kapuskasing CWO 660 806 82% 696 826 84% 93 242 39%
Kenora NCH 697 757 92% 740 798 93% 29 79 37%
Kingston NCH 565 572 99% 586 591 99% 11 17 NSS
Kuujjuaq ATS 742 802 92% 834 885 94% 27 76 36%
Kuujjuarapik CWO 709 850 83% 765 897 85% 125 294 42%
La Grande IV NCA 215 235 91% 228 244 93% 29 43 NSS
La Grande Rivière NCH 714 795 90% 765 834 92% 57 203 28%
London NCH 831 946 88% 996 1075 93% 71 117 61%
Marathon CWO 133 158 85% 133 158 85% 7 57 NSS
Mary's Harbour AWOS/CWO 490 526 93% 509 544 93% 47 130 36%
Mirabel NCH 798 835 96% 882 911 97% 13 26 NSS
Moncton NCA/NCH 731 800 91% 953 994 96% 38 90 42%
Mont-Joli NCH 824 880 94% 870 911 96% 24 44 NSS
Moosonee NCA 318 362 88% 349 394 89% 26 69 38%
Muskoka NCA 513 553 93% 536 576 93% 30 66 46%
Nain CWO 384 419 92% 343 378 91% 50 104 48%
Natashquan AWOS 663 754 88% 702 797 88% 72 244 29%
North Bay NCH 654 823 79% 756 917 82% 72 250 29%
Ottawa NCH 1471 1521 97% 1610 1626 99% 22 27 NSS
Peterborough NCA 581 598 97% 616 622 99% 23 31 NSS
Pickle Lake NCA/NCH 374 398 94% 380 402 94% 12 49 NSS
Puvirnituq CARS 147 187 78% 166 199 83% 15 32 NSS
Quaqtaq CARS 89 113 79% 103 132 78% 11 33 NSS
Quebec City ATS 779 876 89% 842 920 92% 29 76 39%
Red Lake NCA/NCH 509 554 92% 522 563 93% 23 70 33%
Roberval CWO 530 564 94% 573 595 96% 9 33 NSS
Rouyn-Noranda NCH 683 783 87% 712 804 88% 70 209 33%
Sable Island AWOS 235 300 78% 235 300 78% 55 238 23%
Saint John NCH 660 774 85% 931 996 93% 55 174 32%
Sarnia NCA 529 585 90% 598 631 95% 23 58 NSS
Sault Ste Marie NCH 743 853 87% 877 958 91% 100 178 56%
Schefferville AWOS 739 834 89% 808 873 93% 64 139 46%
Sept-Îles ATS 625 691 90% 667 757 88% 65 182 35%
Sherbrooke NCA 388 418 93% 409 438 93% 16 31 NSS
Sioux Lookout NCH 707 764 93% 740 794 93% 25 84 30%
St Anthony NCA 763 921 83% 837 990 85% 103 265 39%
St Catharines NCH 219 231 95% 226 241 94% 10 24 NSS
St Hubert NCA 817 839 97% 860 876 98% 22 34 NSS
St John's NCH 685 797 86% 968 1034 94% 55 144 38%
Stephenville CWO 845 875 97% 899 925 97% 26 32 NSS
Sudbury NCH 726 835 87% 811 923 88% 78 217 36%
Sydney CWO 612 678 90% 721 808 89% 84 343 24%
Tasiujaq CARS 148 149 99% 149 157 95% 12 26 NSS
Thunder Bay NCH 656 741 89% 716 796 90% 43 163 27%
Timmins NCH 709 829 86% 868 935 93% 51 112 45%
Toronto City Centre NCA 866 903 96% 932 947 98% 29 32 NSS
Toronto LBPI CWO 1490 1542 97% 1666 1674 100% 17 19 NSS
Val-d'Or NCA/NCH 694 794 87% 777 874 89% 55 155 35%
Wabush NCH 707 792 89% 828 899 92% 55 97 56%
Waskaganish CARS 89 97 91% 91 101 90% 3 19 NSS
Waterloo/Wellington NCA 536 594 90% 623 655 95% 39 57 NSS
Wawa CWO 185 237 78% 167 220 76% 17 99 18%
Wiarton CWO 321 398 80% 340 421 81% 26 81 32%
Windsor CWO 804 837 96% 897 938 96% 56 99 56%
Yarmouth NCH 658 734 90% 784 841 93% 83 224 37%
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 796 824 97% 832 852 98% 9 12 NSS
Arctic Bay NCH 115 117 98% 115 117 98% 3 9 NSS
Arviat NCA/NCH 647 774 84% 672 786 86% 40 192 21%
Baker Lake CARS 712 765 93% 743 778 95% 46 137 34%
Bella Bella NCA 393 430 91% 360 417 86% 33 66 50%
Brandon NCH 754 811 93% 822 854 96% 34 44 NSS
Buffalo Narrows NCH 383 394 97% 383 394 97% 16 27 NSS
Burwash NCA/NCH 714 776 92% 692 757 92% 50 87 57%
Calgary Intl NCH 1397 1489 94% 1633 1704 96% 43 75 57%
Cambridge Bay CARS 667 841 79% 796 907 88% 44 89 50%
Campbell River ATS 356 384 93% 389 406 96% 12 17 NSS
Cape Dorset NCA/NCH 690 855 81% 690 855 81% 124 243 51%
Castlegar ATS 399 399 100% 363 364 100% 31 45 NSS
Churchill NCH 723 848 85% 843 934 90% 44 95 47%
Clyde River NCA/NCH 709 766 92% 709 766 92% 47 86 54%
Coral Harbour CARS 700 786 89% 732 806 91% 36 95 38%
Cranbrook NCH 765 816 94% 786 831 95% 7 32 NSS
Dauphin NCA 722 787 92% 739 795 93% 31 90 35%
Dawson City CARS 173 174 100% 172 174 99% 4 5 NSS
Dawson Creek NCA 399 417 96% 407 422 96% 27 41 NSS
Dease Lake NCA 365 384 95% 344 363 95% 32 48 NSS
Deline CARS 150 150 100% 150 150 100% 2 2 NSS
Edmonton Intl NCH 1425 1489 96% 1601 1609 100% 25 32 NSS
Edmonton Muni AWOS 804 896 90% 870 934 93% 48 101 48%
Estevan CWO 373 412 91% 392 420 93% 18 43 NSS
Eureka CWO 372 388 96% 372 388 96% 8 12 NSS
Faro CARS 161 164 98% 154 161 96% 9 19 NSS
Fort Chipewyan NCA 211 229 92% 220 235 93% 8 11 NSS
Fort Good Hope CARS 204 205 100% 204 205 100% 0 0 NSS
Fort McMurray NCA 771 857 90% 852 909 94% 42 62 67%
Fort McPherson CARS 137 137 100% 137 137 100% 4 4 NSS
Fort Nelson NCH 761 825 92% 824 861 96% 18 37 NSS
Fort Simpson CARS 729 742 98% 761 770 99% 10 24 NSS
Fort Smith CARS 781 822 95% 811 844 96% 27 51 NSS
Fort St John NCH 742 835 89% 785 857 92% 24 43 55%
Gillam CWO 823 898 92% 864 931 93% 28 74 38%
Gjoa Haven NCA/NCH 682 810 84% 702 818 86% 101 219 46%
Grande Prairie ATS 841 872 96% 896 908 99% 24 28 NSS
Hall Beach NCA/NCH 720 826 87% 750 843 89% 92 168 55%
Hay River CARS 747 766 98% 768 787 98% 6 16 NSS
High Level NCA/NCH 721 798 90% 737 799 92% 48 108 45%
Holman CARS 108 124 87% 109 124 88% 7 14 NSS
Igloolik CARS 152 206 74% 163 209 78% 7 27 NSS
Inuvik ATS/AA 709 817 87% 813 884 92% 51 79 64%
Iqaluit ATS/AA 766 884 87% 927 986 94% 61 84 72%
Island Lake CWO 751 804 93% 792 829 95% 27 41 NSS
Kamloops ATS 812 812 100% 803 806 100% 5 5 NSS
Kelowna NCA 806 823 98% 806 823 98% 7 10 NSS
Key Lake NCA 395 436 91% 437 466 94% 17 47 NSS
Kugaaruk CARS 198 215 92% 199 215 93% 7 19 NSS
Kugluktuk CARS 845 900 94% 873 917 95% 45 58 NSS
La Ronge ATS 770 784 98% 778 788 99% 30 37 NSS
Lethbridge NCH/AWOS 847 967 88% 975 1060 92% 34 70 49%
Lloydminster NCA/NCH 725 837 87% 772 871 89% 53 163 32%
Lutselk'e CARS 164 164 100% 164 164 100% 0 0 NSS
Lynn Lake NCA 783 876 89% 820 889 92% 40 80 50%
Mackenzie NCA 547 571 96% 547 571 96% 27 37 NSS
Masset CWO 347 361 96% 370 377 98% 24 30 NSS
Mayo CARS 728 738 99% 725 738 98% 13 15 NSS
Medicine Hat NCA/NCH 855 926 92% 899 962 93% 43 79 54%
Nanaimo ATS 369 379 97% 380 383 99% 7 11 NSS
Norman Wells NCH 757 773 98% 757 773 98% 23 31 NSS
North Battleford NCA 812 892 91% 852 915 93% 86 111 77%
Norway House NCA 759 793 96% 774 800 97% 19 32 NSS
Old Crow CARS 327 343 95% 327 343 95% 14 26 NSS
Pangnirtung NCA/NCH 136 142 95% 108 120 90% 6 33 NSS
Paulatuk CARS 130 165 79% 144 184 78% 4 20 NSS
Peace River ATS 824 889 93% 863 911 95% 22 49 NSS
Penticton NCH 819 819 100% 781 804 97% 11 17 NSS
Pond Inlet NCA/NCH 739 770 96% 739 770 96% 38 61 NSS
Port Hardy ATS 729 778 94% 779 819 95% 15 22 NSS
Prince Albert ATS 736 777 95% 798 816 98% 20 33 NSS
Prince George NCA 826 906 91% 876 938 93% 31 63 49%
Prince Rupert NCA 726 773 94% 773 795 97% 23 38 NSS
Qikiqtarjuaq NCA/NCH 812 842 96% 633 720 88% 99 177 56%
Quesnel NCA 393 417 94% 392 416 94% 14 30 NSS
Rae Lake CARS 152 153 100% 152 153 100% 0 0 NSS
Rankin Inlet NCH 611 721 85% 650 755 86% 42 165 25%
Red Deer ATS 736 841 88% 814 895 91% 45 90 50%
Regina ATS/AA 723 829 87% 849 919 92% 42 74 57%
Repulse Bay CARS 119 134 89% 121 134 90% 6 24 NSS
Resolute CARS 730 824 89% 826 893 92% 30 62 48%
Sachs Harbour CARS 86 124 69% 97 135 72% 9 50 19%
Sandspit NCA 853 916 93% 896 945 95% 16 29 NSS
Saskatoon NCH 751 819 92% 865 894 97% 22 37 NSS
Slave Lake NCA 799 874 91% 817 882 93% 49 89 55%
Smithers NCA/NCH 394 409 96% 394 409 96% 6 12 NSS
Springbank NCH 426 504 84% 490 542 90% 22 48 46%
Stony Rapids NCA 742 792 94% 756 798 95% 28 52 NSS
Swift Current NCA 711 826 86% 747 865 86% 70 201 35%
Taloyoak CARS 749 824 91% 772 839 92% 48 112 43%
Terrace NCH 788 834 95% 842 861 98% 13 17 NSS
Teslin CARS 165 170 97% 159 165 96% 8 15 NSS
The Pas CWO 756 793 95% 768 800 96% 10 24 NSS
Thompson ATS 726 779 93% 788 816 96% 14 25 NSS
Tofino CWO 318 348 91% 334 360 93% 27 39 NSS
Tuktoyaktuk CARS 286 309 93% 295 320 92% 23 77 31%
Vancouver CWO 1464 1490 98% 1545 1545 100% 0 0 NSS
Victoria CWO 788 798 99% 810 810 100% 0 0 NSS
Victoria Harbour ATS 360 364 99% 362 366 99% 10 12 NSS
Watson Lake CARS 784 836 94% 838 880 95% 22 44 NSS
Whitecourt ATS 180 198 91% 189 205 92% 7 22 NSS
Whitehorse NCH 688 762 90% 731 787 93% 29 50 59%
Williams Lake NCH 747 805 93% 747 805 93% 23 81 29%
Winnipeg NCH/AA 761 826 92% 865 883 98% 7 11 NSS
Yellowknife NCH 743 751 99% 753 761 99% 0 1 NSS
Yorkton NCA 566 596 95% 587 611 96% 25 48 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable