TAF performance measurement results for TAFs issued during March 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 767 859 89% 847 937 90% 52 150 35%
Bathurst CWO 514 556 92% 535 578 93% 33 104 31%
Big Trout Lake AWOS 752 804 94% 785 825 95% 43 84 52%
Blanc Sablon CWO 669 780 86% 736 840 88% 90 233 38%
Buttonville CWO 695 756 92% 726 773 94% 53 166 32%
Cartwright CWO 681 789 86% 671 776 87% 74 269 27%
Chapleau CWO 369 413 89% 369 413 89% 18 45 NSS
Charlottetown ATS 803 862 93% 878 917 96% 39 97 40%
Chibougamau-Chapais CWO 350 385 91% 360 407 89% 29 67 44%
Churchill Falls AWOS 646 773 84% 697 795 88% 93 203 46%
Deer Lake ATS 764 834 92% 861 913 94% 25 48 52%
Dorval CWO 1405 1472 95% 1548 1582 98% 41 58 NSS
Dryden NCA 783 850 92% 889 936 95% 29 61 48%
Earlton CWO 334 350 95% 342 356 96% 13 49 NSS
Fredericton NCA 757 800 95% 846 888 95% 55 94 58%
Gander CWO 712 854 83% 977 1032 95% 34 81 42%
Gaspé CWO 740 792 93% 757 809 94% 70 156 45%
Gatineau ATS 353 370 95% 358 380 94% 8 55 NSS
Geraldton CWO 699 821 85% 765 858 89% 46 116 39%
Gore Bay NCA 356 395 90% 368 404 91% 10 64 16%
Halifax ATS 1413 1522 93% 1588 1677 95% 43 145 29%
Hamilton CWO 705 786 90% 801 857 93% 47 129 36%
Havre St Pierre NCA 708 774 92% 755 851 89% 55 155 36%
Îles de la Madeleine ATS 515 548 94% 565 594 95% 43 71 NSS
Inukjuak AWOS/CARS 775 865 90% 802 879 91% 62 104 59%
Ivujivik CARS 165 188 88% 169 190 89% 23 50 NSS
Kapuskasing CWO 749 833 90% 785 850 92% 42 103 41%
Kenora ATS 722 815 89% 790 880 90% 29 95 31%
Kingston ATS 454 483 94% 504 539 93% 20 37 NSS
Kuujjuaq ATS 775 850 91% 878 903 97% 26 42 NSS
Kuujjuarapik CWO 741 827 90% 788 859 92% 32 80 40%
La Grande IV AWOS/CWO 186 211 88% 195 214 91% 24 39 NSS
La Grande Rivière ATS 737 823 90% 800 874 91% 57 113 50%
London ATS 777 863 90% 880 952 92% 59 183 32%
Marathon CWO 165 186 89% 165 186 89% 10 29 NSS
Mary's Harbour AWOS/CWO 467 557 84% 486 574 85% 50 157 32%
Mirabel ATS 660 732 90% 789 859 92% 44 64 69%
Moncton CWO 799 873 92% 950 1012 94% 17 50 35%
Mont-Joli ATS 771 838 92% 848 939 90% 70 179 39%
Moosonee NCA 384 407 94% 404 424 95% 12 26 NSS
Muskoka NCA 432 475 91% 439 484 91% 18 86 20%
Nain CWO 369 376 98% 344 365 94% 16 51 NSS
Natashquan AWOS 665 753 88% 720 819 88% 51 196 26%
North Bay CWO 681 814 84% 771 905 85% 47 147 32%
Ottawa CWO 1320 1392 95% 1506 1551 97% 58 83 NSS
Peterborough NCA 511 550 93% 537 574 94% 25 62 NSS
Pickle Lake CWO 362 399 91% 370 408 91% 3 37 NSS
Puvirnituq CARS 158 177 89% 181 196 93% 10 16 NSS
Quaqtaq CARS 140 154 90% 146 158 93% 3 4 NSS
Quebec City ATS 648 719 90% 689 772 89% 29 201 14%
Red Lake CWO 531 569 93% 548 577 95% 14 60 NSS
Roberval CWO 427 494 86% 461 518 89% 11 66 16%
Rouyn-Noranda ATS 685 756 91% 721 787 92% 51 121 42%
Sable Island AWOS 417 470 89% 467 511 91% 25 71 36%
Saint John ATS 808 842 96% 939 952 99% 47 65 NSS
Sarnia NCA 484 503 96% 526 541 97% 18 40 NSS
Sault Ste Marie ATS 740 815 91% 816 875 93% 56 124 46%
Schefferville AWOS 648 772 84% 731 832 88% 65 166 39%
Sept-Îles ATS 669 733 91% 729 788 93% 55 120 45%
Sherbrooke NCA 373 398 94% 399 425 94% 16 48 NSS
Sioux Lookout ATS 736 809 91% 764 826 93% 51 102 50%
St Anthony NCA 678 837 81% 772 913 85% 77 225 34%
St Catharines ATS 261 280 93% 269 289 93% 18 48 NSS
St Hubert NCA 793 837 95% 846 885 96% 38 93 41%
St John's CWO 739 835 88% 995 1069 93% 52 125 42%
Stephenville CWO 767 815 94% 889 921 96% 73 119 62%
Sudbury CWO 721 819 88% 771 891 87% 33 142 23%
Sydney CWO 793 840 94% 883 911 97% 46 100 46%
Tasiujaq CARS 193 193 100% 197 198 100% 3 4 NSS
Thunder Bay ATS/AA 762 821 93% 826 878 94% 23 68 33%
Timmins ATS 764 802 95% 829 859 97% 18 48 NSS
Toronto City Centre NCA 800 859 93% 860 913 94% 44 98 45%
Toronto LBPI CWO 1372 1442 95% 1534 1596 96% 68 114 59%
Val-d'Or AWOS/ATS 642 730 88% 731 833 88% 30 154 19%
Wabush ATS 685 749 92% 755 809 93% 70 112 62%
Waskaganish CARS 95 101 94% 104 106 98% 2 8 NSS
Waterloo/Wellington NCA 509 580 88% 583 645 90% 36 96 38%
Wawa CWO 208 216 96% 208 216 96% 12 20 NSS
Wiarton CWO 329 378 87% 348 397 88% 6 64 9%
Windsor CWO 709 750 95% 784 837 94% 49 114 43%
Yarmouth CWO 779 819 95% 832 875 95% 43 117 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 CWO 901 933 97% 936 949 99% 2 8 NSS
Arctic Bay AWS 97 98 99% 107 107 100% 0 0 NSS
Arviat AWOS/CARS 662 755 88% 689 772 89% 52 189 27%
Baker Lake CARS 736 804 92% 758 824 92% 88 185 48%
Bella Bella AWOS 398 437 91% 329 413 80% 48 76 64%
Brandon ATS 772 866 89% 812 908 89% 64 165 39%
Buffalo Narrows CWO 384 399 96% 386 399 97% 20 30 NSS
Burwash AWOS/CARS 807 826 98% 727 789 92% 27 56 48%
Calgary Intl CWO 1174 1309 90% 1580 1673 94% 74 155 48%
Cambridge Bay CARS 601 742 81% 706 839 84% 86 298 29%
Campbell River ATS 376 415 91% 433 448 97% 16 26 NSS
Cape Dorset AWOS/CARS 562 793 71% 570 795 72% 134 327 41%
Castlegar ATS 417 448 93% 302 368 82% 53 117 45%
Churchill ATS/AA 813 849 96% 862 885 97% 21 32 NSS
Clyde River AWOS/CARS 716 812 88% 725 818 89% 70 171 41%
Coral Harbour CARS 760 787 97% 766 787 97% 25 41 NSS
Cranbrook ATS 858 920 93% 923 949 97% 22 33 NSS
Dauphin NCA 771 841 92% 827 895 92% 47 90 52%
Dawson City CARS 263 263 100% 263 263 100% 0 0 NSS
Dawson Creek NCA 404 498 81% 409 501 82% 29 84 34%
Deline CARS 215 225 96% 215 225 96% 12 15 NSS
Edmonton Intl CWO 1125 1288 87% 1658 1688 98% 36 57 NSS
Edmonton Muni AWOS 683 829 82% 938 1026 91% 89 137 65%
Eureka CWO 301 366 82% 301 366 82% 25 126 20%
Faro CARS 185 185 100% 183 183 100% 3 3 NSS
Fort Chipewyan AWOS 196 200 98% 200 202 99% 2 7 NSS
Fort Good Hope CARS 249 256 97% 251 260 97% 2 7 NSS
Fort McMurray AWOS 799 854 93% 860 890 97% 17 29 NSS
Fort McPherson CARS 157 158 99% 157 158 99% 1 4 NSS
Fort Nelson ATS 808 857 94% 848 875 97% 34 41 NSS
Fort Simpson CARS 786 798 99% 807 810 100% 6 6 NSS
Fort Smith CARS 771 796 97% 788 809 97% 6 10 NSS
Fort St John ATS 759 857 89% 855 916 93% 30 51 58%
Gillam CWO 777 809 96% 814 830 98% 7 19 NSS
Gjoa Haven AWOS/CARS 627 798 79% 667 818 82% 100 278 36%
Grande Prairie ATS 783 884 89% 875 951 92% 60 120 50%
Hall Beach AWOS/CARS 667 797 84% 716 823 87% 104 234 44%
Hay River CARS 801 820 98% 819 834 98% 4 12 NSS
High Level ATS 801 824 97% 832 842 99% 13 15 NSS
Holman CARS 186 214 87% 199 224 89% 10 29 NSS
Igloolik CARS 226 253 89% 226 253 89% 5 14 NSS
Inuvik ATS/AA 789 823 96% 831 843 99% 11 19 NSS
Iqaluit ATS/AA 844 883 96% 906 929 98% 9 14 NSS
Island Lake CWO 755 799 94% 790 824 96% 9 42 NSS
Kamloops ATS 914 956 96% 840 913 92% 23 58 40%
Kelowna NCA 876 913 96% 876 913 96% 10 19 NSS
Kugaaruk CARS 139 154 90% 139 154 90% 13 23 NSS
Kugluktuk CARS 714 800 89% 722 805 90% 70 161 43%
La Ronge ATS 753 793 95% 776 810 96% 19 48 NSS
Lethbridge ATS/AWOS 770 877 88% 916 1029 89% 84 156 54%
Lloydminster ATS/NCA 691 791 87% 797 894 89% 109 228 48%
Lutselk'e CARS 242 243 100% 242 243 100% 3 3 NSS
Lynn Lake NCA 778 807 96% 836 848 99% 25 31 NSS
Mackenzie NCA 569 610 93% 569 610 93% 32 55 NSS
Masset CWO 338 378 89% 367 397 93% 18 31 NSS
Mayo CARS 786 789 100% 781 786 99% 7 8 NSS
Medicine Hat ATS/NCA 841 955 88% 903 992 91% 89 158 56%
Nanaimo ATS 354 393 90% 376 396 95% 11 16 NSS
Norman Wells ATS 773 775 100% 773 775 100% 8 9 NSS
North Battleford NCA 838 903 93% 908 971 94% 78 163 48%
Norway House NCA 789 831 95% 808 843 96% 31 72 43%
Old Crow CARS 373 377 99% 372 376 99% 6 7 NSS
Pangnirtung LWIS/CARS 145 150 97% 116 131 88% 5 24 NSS
Paulatuk CARS 164 181 91% 166 182 92% 0 13 NSS
Peace River ATS 696 819 85% 824 905 91% 44 89 50%
Penticton ATS 857 865 99% 779 840 93% 19 39 50%
Pond Inlet AWOS/CARS 800 869 92% 800 869 92% 66 109 61%
Port Hardy ATS 809 833 97% 832 838 99% 11 14 NSS
Prince Albert ATS 765 814 94% 855 894 96% 32 68 47%
Prince George NCA 868 967 90% 906 994 91% 35 84 42%
Prince Rupert NCA 846 876 97% 883 902 98% 15 22 NSS
Qikiqtarjuaq AWOS/CARS 711 831 86% 623 768 81% 98 206 48%
Quesnel NCA 447 502 89% 446 501 89% 24 52 45%
Rae Lake CARS 111 111 100% 111 111 100% 6 6 NSS
Rankin Inlet ATS 697 794 88% 747 840 89% 61 143 43%
Red Deer ATS 604 717 84% 684 842 81% 60 290 21%
Regina ATS/AA 789 900 88% 946 1002 94% 61 101 61%
Repulse Bay CARS 125 142 88% 128 145 88% 10 20 NSS
Resolute CARS 680 772 88% 785 861 91% 55 131 42%
Sachs Harbour CARS 127 131 96% 128 133 96% 0 0 NSS
Sandspit NCA 822 909 90% 910 967 94% 40 72 56%
Saskatoon ATS/AA 732 837 87% 861 960 90% 36 95 37%
Slave Lake AWOS 688 845 81% 787 896 88% 130 185 70%
Smithers ATS/NCA 416 429 97% 416 429 97% 14 39 NSS
Springbank CWO 376 413 91% 439 480 92% 37 101 37%
Stony Rapids NCA 629 650 97% 642 660 97% 23 34 NSS
Swift Current AWOS 276 411 67% 331 463 71% 46 184 25%
Taloyoak CARS 699 754 93% 717 765 94% 34 83 41%
Terrace ATS 937 1023 92% 1003 1064 94% 63 84 75%
Teslin CARS 178 182 98% 164 175 94% 7 11 NSS
The Pas CWO 763 801 95% 793 816 97% 32 59 NSS
Thompson ATS 771 787 98% 819 821 100% 7 7 NSS
Tofino CWO 327 353 93% 345 365 94% 45 64 NSS
Tuktoyaktuk CARS 363 404 90% 372 412 90% 8 22 NSS
Vancouver CWO 1623 1650 98% 1674 1674 100% 0 0 NSS
Victoria CWO 940 965 97% 992 992 100% 6 6 NSS
Victoria Harbour ATS 418 429 97% 423 431 98% 7 9 NSS
Watson Lake CARS 799 838 95% 832 858 97% 14 21 NSS
Whitecourt ATS 126 173 73% 166 199 83% 25 60 NSS
Whitehorse ATS 797 806 99% 808 812 100% 4 5 NSS
Williams Lake ATS 787 864 91% 802 874 92% 38 98 39%
Winnipeg ATS/AA 771 834 92% 911 962 95% 30 76 39%
Yellowknife ATS 791 811 98% 814 823 99% 3 5 NSS
Yorkton CWO 562 656 86% 618 700 88% 27 88 31%
*Note: NSS stands for Not Statistically Significant