TAF performance measurement results for TAFs issued during December 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 835 917 91% 898 977 92% 51 149 34%
Bathurst CWO 477 514 93% 489 538 91% 39 166 24%
Big Trout Lake NCA 804 885 91% 825 893 92% 99 163 61%
Blanc Sablon CWO 795 879 90% 875 946 93% 139 241 58%
Buttonville CWO 825 905 91% 879 948 93% 65 202 32%
Cartwright CWO 842 884 95% 825 866 95% 81 149 55%
Chapleau CWO 366 418 88% 366 418 88% 32 114 28%
Charlottetown ATS 752 821 92% 901 982 92% 59 159 37%
Chibougamau-Chapais CWO 290 375 77% 327 400 82% 43 127 34%
Churchill Falls NCA 767 897 85% 819 907 90% 105 203 52%
Deer Lake ATS 828 883 94% 940 965 97% 26 37 NSS
Dorval CWO 1306 1480 88% 1746 1774 98% 37 50 NSS
Dryden NCA 770 887 87% 959 1023 94% 32 107 30%
Earlton NCA 348 387 90% 368 405 91% 24 78 31%
Fredericton NCA 730 799 91% 872 944 92% 95 167 57%
Gander CWO 818 892 92% 1030 1087 95% 42 128 33%
Gaspé CWO 770 840 92% 800 878 91% 68 193 35%
Gatineau ATS 344 406 85% 379 418 91% 45 94 48%
Geraldton CWO 770 910 85% 875 992 88% 70 183 38%
Gore Bay NCA 329 385 85% 357 411 87% 51 77 66%
Halifax ATS 1209 1413 86% 1542 1704 91% 58 237 25%
Hamilton NCH 735 818 90% 907 970 94% 44 176 25%
Havre St Pierre NCA 815 889 92% 865 935 92% 51 163 31%
Îles de la Madeleine ATS 470 545 86% 532 599 89% 70 140 50%
Inukjuak AWOS/CARS 410 669 61% 467 697 67% 220 646 34%
Ivujivik CARS 113 137 83% 122 145 84% 46 84 NSS
Kapuskasing CWO 732 865 85% 827 931 89% 71 204 35%
Kenora ATS 729 882 83% 805 967 83% 35 213 16%
Kingston ATS 421 463 91% 494 512 96% 18 33 NSS
Kuujjuaq ATS 806 859 94% 895 920 97% 23 32 NSS
Kuujjuarapik CWO 674 905 74% 738 959 77% 204 414 49%
La Grande IV NCA 175 210 83% 207 235 88% 29 48 NSS
La Grande Rivière ATS 783 928 84% 892 1014 88% 117 213 55%
London ATS 745 862 86% 956 1039 92% 114 255 45%
Marathon CWO 139 160 87% 139 160 87% 20 48 NSS
Mary's Harbour AWOS/CWO 518 573 90% 531 592 90% 42 118 36%
Mirabel ATS 754 851 89% 1039 1079 96% 68 91 NSS
Moncton CWO 794 873 91% 1006 1047 96% 34 97 35%
Mont-Joli ATS 827 957 86% 907 1026 88% 73 164 44%
Moosonee NCA 389 410 95% 423 440 96% 28 49 NSS
Muskoka NCA 344 420 82% 384 467 82% 36 114 32%
Nain CWO 373 378 99% 365 374 98% 10 30 NSS
Natashquan AWOS 794 889 89% 860 943 91% 92 199 46%
North Bay CWO 607 790 77% 855 1018 84% 49 282 17%
Ottawa NCH 1201 1369 88% 1589 1703 93% 59 139 42%
Peterborough NCA 552 601 92% 585 630 93% 34 104 33%
Pickle Lake CWO 335 370 91% 357 393 91% 49 123 40%
Puvirnituq CARS 107 154 69% 119 168 71% 32 87 37%
Quaqtaq CARS 137 138 99% 139 140 99% 16 17 NSS
Quebec City ATS 720 847 85% 893 1013 88% 74 181 41%
Red Lake CWO 527 610 87% 570 644 88% 52 163 32%
Roberval CWO 364 413 88% 404 435 93% 34 63 NSS
Rouyn-Noranda ATS 723 875 83% 829 958 87% 98 308 32%
Sable Island AWOS 370 404 92% 398 425 94% 23 84 27%
Saint John ATS 734 813 90% 997 1048 95% 80 131 61%
Sarnia NCA 350 372 94% 402 423 95% 13 40 NSS
Sault Ste Marie ATS 693 823 84% 901 1016 89% 69 147 47%
Schefferville AWOS 878 1044 84% 1063 1173 91% 74 138 54%
Sept-Îles ATS 733 768 95% 785 822 96% 45 119 38%
Sherbrooke NCA 334 374 89% 368 407 90% 28 83 34%
Sioux Lookout ATS 770 898 86% 879 981 90% 47 168 28%
St Anthony NCA 853 958 89% 916 1014 90% 84 152 55%
St Catharines ATS 366 380 96% 400 418 96% 54 86 NSS
St Hubert NCA 725 831 87% 880 978 90% 61 152 40%
St John's CWO 692 787 88% 944 994 95% 83 179 46%
Stephenville CWO 822 881 93% 934 962 97% 27 50 NSS
Sudbury CWO 665 783 85% 839 948 88% 52 226 23%
Sydney CWO 780 867 90% 928 978 95% 48 131 36%
Tasiujaq CARS 153 161 95% 157 169 93% 9 13 NSS
Thunder Bay ATS/AA 849 938 91% 971 1022 95% 34 66 52%
Timmins ATS 680 811 84% 874 981 89% 42 149 28%
Toronto City Centre NCA 850 872 97% 915 951 96% 38 103 37%
Toronto LBPI CWO 1405 1454 97% 1596 1637 97% 37 120 31%
Val-d'Or NCA/ATS 701 877 80% 875 1018 86% 64 181 35%
Wabush ATS 769 852 90% 853 921 93% 49 106 46%
Waskaganish CARS 91 93 97% 96 96 99% 12 13 NSS
Waterloo/Wellington NCA 505 589 86% 596 666 90% 34 153 22%
Wawa CWO 240 282 85% 220 270 81% 57 107 53%
Wiarton CWO 321 374 86% 344 395 87% 51 104 49%
Windsor CWO 783 877 89% 935 1002 93% 44 118 37%
Yarmouth CWO 736 796 92% 851 894 95% 31 187 16%
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 809 946 86% 915 1023 89% 50 101 49%
Arctic Bay AWS 111 114 97% **N/A N/A N/A N/A N/A N/A
Arviat AWOS/CARS 498 723 69% 554 747 74% 185 544 34%
Baker Lake CARS 676 770 88% 697 786 89% 116 237 49%
Bella Bella NCA 393 515 76% 327 479 68% 65 166 39%
Brandon ATS 839 902 93% 915 976 94% 46 76 60%
Buffalo Narrows CWO 360 415 87% 378 419 90% 36 92 39%
Burwash NCA 897 993 90% 756 916 82% 54 141 38%
Calgary Intl CWO 1742 1805 97% 1871 1882 99% 11 12 NSS
Cambridge Bay CARS 685 745 92% 732 790 93% 60 222 27%
Campbell River ATS 273 355 77% 375 429 87% 21 55 38%
Cape Dorset AWOS/CARS 495 751 66% 497 754 66% 178 499 36%
Castlegar ATS 384 395 97% 294 320 92% 49 105 46%
Churchill ATS/AA 786 883 89% 929 993 94% 37 122 30%
Clyde River AWOS/CARS 618 804 77% 625 807 77% 67 311 22%
Coral Harbour CARS 664 745 89% 673 751 90% 78 184 42%
Cranbrook ATS 846 893 95% 907 930 98% 20 29 NSS
Dauphin NCA 919 936 98% 954 970 98% 38 56 NSS
Dawson City CARS 321 351 91% 316 349 90% 13 23 NSS
Dawson Creek NCA 459 478 96% 463 479 97% 13 20 NSS
Deline CARS 264 292 91% 277 294 94% 15 31 NSS
Edmonton Intl CWO 1612 1635 99% 1689 1691 100% 8 8 NSS
Edmonton Muni AWOS 908 942 96% 936 961 97% 17 23 NSS
Eureka CWO 373 385 97% 376 387 97% 6 6 NSS
Faro CARS 165 175 95% 163 170 96% 8 16 NSS
Fort Chipewyan NCA 189 206 92% 202 215 94% 22 30 NSS
Fort Good Hope CARS 258 290 89% 274 291 94% 17 19 NSS
Fort McMurray NCA 849 913 93% 922 971 95% 52 92 56%
Fort McPherson CARS 80 92 87% 84 96 88% 3 17 NSS
Fort Nelson ATS 838 865 97% 870 882 99% 7 11 NSS
Fort Simpson CARS 837 971 86% 880 995 88% 73 126 58%
Fort Smith CARS 778 986 79% 924 1086 85% 90 206 44%
Fort St John ATS 874 928 94% 906 943 96% 12 21 NSS
Gillam CWO 789 982 80% 918 1077 85% 75 137 55%
Gjoa Haven AWOS/CARS 525 730 72% 564 755 75% 100 421 24%
Grande Prairie ATS 889 908 98% 912 928 98% 8 25 NSS
Hall Beach AWOS/CARS 662 838 79% 706 874 81% 107 290 37%
Hay River CARS 822 967 85% 974 1054 92% 57 93 61%
High Level ATS 779 932 84% 841 974 86% 64 148 43%
Holman CARS 268 282 95% 280 284 99% 0 10 NSS
Igloolik CARS 120 134 89% 120 134 89% 1 20 NSS
Inuvik ATS/AA 841 933 90% 931 992 94% 45 72 63%
Iqaluit ATS/AA 893 976 92% 961 1014 95% 37 59 62%
Island Lake CWO 742 878 85% 842 951 89% 63 109 58%
Kamloops ATS 912 920 99% 743 821 90% 26 110 24%
Kelowna NCA 890 923 97% 890 923 97% 21 39 NSS
Kugaaruk CARS 114 132 87% 116 132 88% 3 20 NSS
Kugluktuk CARS 767 826 93% 784 841 93% 44 129 34%
La Ronge ATS 828 932 89% 895 982 91% 84 136 62%
Lethbridge ATS/AWOS 1054 1095 96% 1100 1134 97% 25 48 NSS
Lloydminster ATS/NCA 789 866 91% 809 883 92% 36 116 31%
Lutselk'e CARS 272 308 88% 278 314 88% 11 21 NSS
Lynn Lake NCA 650 781 83% 745 826 90% 66 94 70%
Mackenzie NCA 533 619 86% 533 619 86% 60 115 52%
Masset CWO 397 447 89% 419 463 91% 16 26 NSS
Mayo CARS 795 841 95% 661 750 88% 55 158 35%
Medicine Hat ATS/NCA 912 961 95% 930 970 96% 43 63 NSS
Nanaimo ATS 378 402 94% 397 407 97% 33 43 NSS
Norman Wells ATS 824 853 97% 824 853 97% 44 61 NSS
North Battleford NCA 795 862 92% 824 890 93% 37 119 31%
Norway House NCA 821 980 84% 916 1045 88% 83 158 53%
Old Crow CARS 313 362 87% 268 347 77% 40 85 47%
Pangnirtung LWIS/CARS 164 184 89% 97 130 74% 31 70 NSS
Paulatuk CARS 165 170 97% 170 173 98% 7 10 NSS
Peace River ATS 856 934 92% 902 970 93% 33 75 44%
Penticton ATS 968 971 100% 738 852 87% 51 125 41%
Pond Inlet AWOS/CARS 750 829 91% 751 829 91% 64 128 50%
Port Hardy ATS 785 854 92% 878 911 96% 21 31 NSS
Prince Albert ATS 834 872 96% 922 943 98% 22 33 NSS
Prince George NCA 798 904 88% 847 938 90% 62 120 51%
Prince Rupert NCA 887 984 90% 1017 1071 95% 48 65 NSS
Qikiqtarjuaq AWOS/CARS 687 844 81% 548 713 77% 140 336 42%
Quesnel NCA 348 446 78% 347 443 78% 28 119 23%
Rae Lake CARS 190 258 74% 224 262 85% 30 64 NSS
Rankin Inlet ATS 565 723 78% 636 795 80% 113 330 34%
Red Deer ATS 818 849 96% 844 868 97% 21 32 NSS
Regina ATS/AA 808 906 89% 934 1012 92% 29 72 40%
Repulse Bay CARS 126 139 90% 126 139 90% 7 21 NSS
Resolute CARS 741 780 95% 773 805 96% 29 92 31%
Sachs Harbour CARS 143 153 94% 143 153 94% 1 7 NSS
Sandspit NCA 898 971 92% 965 1018 95% 21 31 NSS
Saskatoon ATS/AA 828 891 93% 923 960 96% 27 54 NSS
Slave Lake NCA 971 1011 96% 982 1014 97% 52 68 NSS
Smithers ATS/NCA 371 436 85% 371 436 85% 46 88 52%
Springbank CWO 463 473 98% 488 490 100% 14 16 NSS
Stony Rapids NCA 577 657 88% 651 702 93% 81 107 75%
Swift Current NCA 495 550 90% 519 569 91% 35 68 51%
Taloyoak CARS 668 759 88% 680 767 89% 49 208 23%
Terrace ATS 630 1010 62% 916 1201 76% 133 318 42%
Teslin CARS 181 192 95% 156 182 86% 2 20 NSS
The Pas CWO 881 1068 83% 995 1123 89% 83 152 54%
Thompson ATS 800 925 87% 1002 1065 94% 30 63 48%
Tofino CWO 296 338 88% 299 341 88% 28 77 36%
Tuktoyaktuk CARS 399 424 94% 405 431 94% 24 34 NSS
Vancouver CWO 1500 1589 94% 1726 1735 99% 2 3 NSS
Victoria CWO 846 894 95% 978 991 99% 9 11 NSS
Victoria Harbour ATS 416 428 97% 446 449 99% 7 7 NSS
Watson Lake CARS 813 855 95% 848 886 96% 19 31 NSS
Whitecourt ATS 184 190 97% 191 193 99% 10 12 NSS
Whitehorse ATS 873 929 94% 926 954 97% 22 43 NSS
Williams Lake ATS 795 859 92% 795 859 92% 29 64 46%
Winnipeg ATS/AA 852 930 92% 1052 1072 98% 11 22 NSS
Yellowknife ATS 708 919 77% 987 1086 91% 74 130 57%
Yorkton NCA 576 640 90% 629 686 92% 35 70 49%
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable