TAF performance measurement results for TAFs issued during August 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 869 913 95% 919 958 96% 27 76 36%
Bathurst CWO 612 671 91% 635 685 93% 31 67 47%
Big Trout Lake NCA 790 896 88% 811 910 89% 59 160 37%
Blanc Sablon CWO 735 917 80% 809 995 81% 176 361 49%
Buttonville CWO 836 860 97% 846 861 98% 19 24 NSS
Cartwright CWO 793 834 95% 768 822 93% 46 149 31%
Chapleau CWO 391 444 88% 391 444 88% 37 75 49%
Charlottetown NCH 828 906 91% 952 978 97% 32 45 NSS
Chibougamau-Chapais CWO 399 410 97% 415 422 98% 19 23 NSS
Churchill Falls NCA 862 933 92% 931 968 96% 48 64 NSS
Deer Lake NCH 802 824 97% 847 861 98% 27 37 NSS
Dorval NCH 1630 1668 98% 1706 1715 99% 5 9 NSS
Dryden NCA 885 923 96% 916 941 97% 21 30 NSS
Earlton NCA 401 432 93% 416 443 94% 21 36 NSS
Fredericton NCA 848 940 90% 949 1010 94% 39 76 52%
Gander NCH 734 826 89% 895 981 91% 53 145 37%
Gaspé NCH 846 903 94% 876 924 95% 41 87 48%
Gatineau NCH 424 439 97% 438 444 99% 4 8 NSS
Geraldton CWO 860 933 92% 879 958 92% 39 78 49%
Gore Bay NCA 379 401 94% 397 416 96% 15 22 NSS
Halifax NCH 1321 1426 93% 1489 1589 94% 58 199 29%
Hamilton NCH 827 889 93% 871 906 96% 25 56 NSS
Havre St Pierre NCA 800 886 90% 827 913 91% 53 123 43%
Îles de la Madeleine NCH 534 563 95% 561 587 96% 17 40 NSS
Inukjuak AWOS/CARS 681 785 87% 710 816 87% 84 297 28%
Ivujivik CARS 151 157 96% 154 161 95% 3 30 NSS
Kapuskasing CWO 918 1009 91% 978 1042 94% 46 70 65%
Kenora NCH 844 858 98% 854 867 98% 20 25 NSS
Kingston NCH 632 665 95% 686 703 98% 11 19 NSS
Kuujjuaq ATS 798 830 96% 870 884 98% 16 28 NSS
Kuujjuarapik CWO 610 773 79% 669 846 79% 92 378 24%
La Grande IV NCA 197 228 87% 231 245 94% 27 37 NSS
La Grande Rivière NCH 652 826 79% 699 876 80% 73 355 21%
London NCH 845 899 94% 908 935 97% 52 68 NSS
Marathon CWO 137 158 87% 137 158 87% 19 63 NSS
Mary's Harbour AWOS/CWO 488 522 93% 516 551 94% 44 124 35%
Mirabel NCH 962 1028 94% 1054 1080 98% 9 28 NSS
Moncton NCA/NCH 772 825 94% 896 920 97% 23 40 NSS
Mont-Joli NCH 798 824 97% 801 833 96% 17 47 NSS
Moosonee NCA 383 446 86% 419 467 90% 23 54 43%
Muskoka NCA 569 577 99% 576 582 99% 13 16 NSS
Nain CWO 365 390 94% 321 338 95% 22 121 18%
Natashquan AWOS 773 848 91% 799 869 92% 69 166 41%
North Bay NCH 861 938 92% 922 986 93% 49 131 38%
Ottawa NCH 1534 1576 97% 1619 1633 99% 5 21 NSS
Peterborough NCA 576 597 96% 587 605 97% 34 54 NSS
Pickle Lake NCA/NCH 499 553 90% 513 562 91% 16 45 35%
Puvirnituq CARS 164 188 87% 183 207 89% 18 45 NSS
Quaqtaq CARS 143 148 97% 146 150 98% 8 35 NSS
Quebec City ATS 903 980 92% 1027 1056 97% 31 42 NSS
Red Lake NCA/NCH 589 653 90% 602 660 91% 14 34 42%
Roberval CWO 583 583 100% 585 585 100% 0 0 NSS
Rouyn-Noranda NCH 786 918 86% 841 952 88% 65 148 44%
Sable Island AWOS 362 414 88% 362 414 88% 69 117 59%
Saint John NCH 676 855 79% 809 974 83% 91 344 27%
Sarnia NCA 575 584 98% 583 589 99% 2 2 NSS
Sault Ste Marie NCH 862 905 95% 928 958 97% 40 67 NSS
Schefferville AWOS 789 886 89% 874 933 94% 75 103 72%
Sept-Îles ATS 736 825 89% 808 892 91% 31 177 18%
Sherbrooke NCA 452 473 96% 470 485 97% 15 32 NSS
Sioux Lookout NCH 900 942 96% 946 971 97% 26 32 NSS
St Anthony NCA 742 830 89% 795 885 90% 64 177 36%
St Catharines NCH 213 218 98% 220 221 100% 4 4 NSS
St Hubert NCA 980 1036 95% 1050 1078 97% 22 29 NSS
St John's NCH 667 785 85% 986 1052 94% 95 179 53%
Stephenville CWO 933 949 98% 955 970 98% 20 25 NSS
Sudbury NCH 846 953 89% 915 999 92% 48 103 46%
Sydney CWO 750 805 93% 852 906 94% 50 115 44%
Tasiujaq CARS 135 142 95% 137 144 95% 13 33 NSS
Thunder Bay NCH 803 837 96% 832 862 97% 19 33 NSS
Timmins NCH 835 969 86% 984 1068 92% 23 54 43%
Toronto City Centre NCA 902 930 97% 927 954 97% 24 43 NSS
Toronto LBPI NCH 1594 1609 99% 1633 1634 100% 1 1 NSS
Val-d'Or NCA/NCH 787 915 86% 940 1012 93% 34 73 47%
Wabush NCH 874 906 96% 935 954 98% 6 12 NSS
Waskaganish CARS 65 71 92% 68 75 91% 9 17 NSS
Waterloo/Wellington NCA 653 669 98% 668 683 98% 17 31 NSS
Wawa CWO 193 245 79% 179 229 78% 48 107 45%
Wiarton CWO 391 410 95% 399 413 97% 14 20 NSS
Windsor CWO 838 848 99% 876 880 100% 16 16 NSS
Yarmouth NCH 586 697 84% 641 762 84% 136 456 30%
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 809 829 98% 824 836 99% 12 16 NSS
Arctic Bay NCH 139 139 100% 117 122 96% 15 20 NSS
Arviat NCA/NCH 718 835 86% 747 862 87% 36 125 29%
Baker Lake CARS 823 843 98% 854 859 99% 8 11 NSS
Bella Bella NCA 358 421 85% 282 381 74% 61 149 41%
Brandon NCH 835 854 98% 865 882 98% 29 39 NSS
Buffalo Narrows NCH 386 400 97% 390 401 97% 5 11 NSS
Burwash NCA/NCH 761 764 100% 730 736 99% 29 34 NSS
Calgary Intl NCH 1625 1654 98% 1711 1724 99% 11 17 NSS
Cambridge Bay CARS 740 819 90% 806 860 94% 28 52 53%
Campbell River NCH 351 409 86% 377 424 89% 7 33 NSS
Cape Dorset NCA/NCH 720 820 88% 720 820 88% 58 255 23%
Castlegar NCH 405 405 100% 396 396 100% 9 10 NSS
Churchill NCH 724 809 89% 874 949 92% 35 101 35%
Clyde River NCA/NCH 662 755 88% 670 758 88% 77 231 33%
Coral Harbour CARS 786 852 92% 827 876 94% 26 50 NSS
Cranbrook NCH 923 952 97% 946 962 98% 8 14 NSS
Dauphin NCA 795 829 96% 807 843 96% 9 28 NSS
Dawson City CARS 373 388 96% 368 385 96% 7 14 NSS
Dawson Creek NCA 357 373 96% 361 374 96% 6 12 NSS
Dease Lake NCA 366 370 99% 362 366 99% 9 17 NSS
Deline CARS 163 181 90% 168 181 93% 6 9 NSS
Edmonton Intl NCH 1605 1653 97% 1687 1716 98% 12 19 NSS
Edmonton Muni AWOS 904 951 95% 926 968 96% 21 40 NSS
Estevan CWO 429 437 98% 429 437 98% 5 14 NSS
Eureka CWO 372 437 85% 386 444 87% 36 63 57%
Faro CARS 372 381 98% 357 375 95% 12 25 NSS
Fort Chipewyan NCA 212 226 94% 215 226 95% 15 27 NSS
Fort Good Hope CARS 136 147 93% 137 147 94% 3 6 NSS
Fort McMurray NCA 839 883 95% 852 892 95% 6 19 NSS
Fort McPherson CARS 174 181 96% 178 185 96% 8 12 NSS
Fort Nelson NCH 818 922 89% 889 960 93% 29 81 36%
Fort Simpson CARS 800 921 87% 876 956 92% 42 70 61%
Fort Smith CARS 780 847 92% 806 864 93% 13 60 21%
Fort St John NCH 785 886 89% 821 906 91% 33 97 34%
Gillam CWO 753 886 85% 826 926 89% 48 198 24%
Gjoa Haven NCA/NCH 794 908 87% 829 938 88% 47 119 39%
Grande Prairie ATS 903 919 98% 915 927 99% 9 19 NSS
Hall Beach NCA/NCH 762 843 90% 785 860 91% 40 125 32%
Hay River CARS 838 895 94% 893 930 96% 16 28 NSS
High Level NCA/NCH 832 948 88% 880 988 89% 42 112 37%
Holman CARS 140 158 89% 144 159 91% 10 23 NSS
Igloolik CARS 183 202 91% 190 203 94% 3 5 NSS
Inuvik ATS/AA 712 834 85% 852 917 93% 46 81 57%
Iqaluit ATS/AA 826 892 93% 881 933 94% 17 48 35%
Island Lake CWO 844 896 94% 896 935 96% 9 30 NSS
Kamloops NCH 861 861 100% 861 861 100% 0 0 NSS
Kelowna NCA 882 885 100% 882 885 100% 0 0 NSS
Key Lake NCA 411 422 97% 434 440 99% 12 14 NSS
Kugaaruk CARS 201 221 91% 202 221 92% 8 21 NSS
Kugluktuk CARS 795 879 91% 810 892 91% 42 88 48%
La Ronge ATS 814 849 96% 837 879 95% 7 23 NSS
Lethbridge NCH/AWOS 869 891 98% 899 914 98% 3 9 NSS
Lloydminster NCA/NCH 842 922 91% 880 950 93% 25 50 49%
Lutselk'e CARS 142 144 98% 142 144 98% 5 7 NSS
Lynn Lake NCA 831 919 90% 854 930 92% 43 104 42%
Mackenzie NCA 636 645 99% 636 645 99% 4 8 NSS
Masset CWO 155 218 71% 178 236 75% 23 74 32%
Mayo CARS 821 844 97% 793 827 96% 29 36 NSS
Medicine Hat NCA/NCH 847 847 100% 847 847 100% 3 3 NSS
Nanaimo NCH 359 376 96% 373 383 97% 4 14 NSS
Norman Wells NCH 786 800 98% 793 803 99% 29 32 NSS
North Battleford NCA 854 883 97% 859 889 97% 22 36 NSS
Norway House NCA 793 861 92% 822 884 93% 25 57 43%
Old Crow CARS 338 345 98% 308 324 95% 21 36 NSS
Pangnirtung NCA/NCH 146 150 97% 100 111 90% 18 55 NSS
Paulatuk CARS 155 176 89% 168 184 91% 10 36 NSS
Peace River ATS 859 904 95% 880 927 95% 13 34 NSS
Penticton NCH 880 880 100% 877 877 100% 2 2 NSS
Pond Inlet NCA/NCH 787 812 97% 788 812 97% 19 33 NSS
Port Hardy NCH 748 824 91% 805 896 90% 64 153 42%
Prince Albert ATS 824 866 95% 867 895 97% 29 50 NSS
Prince George NCA 887 921 96% 899 927 97% 18 28 NSS
Prince Rupert NCA 612 749 82% 683 842 81% 95 317 30%
Qikiqtarjuaq NCA/NCH 747 835 89% 618 713 87% 114 316 36%
Quesnel NCA 406 432 94% 405 432 94% 9 25 NSS
Rae Lake CARS 143 156 91% 151 162 93% 9 18 NSS
Rankin Inlet NCH 744 804 93% 785 841 93% 22 83 26%
Red Deer ATS 885 917 97% 919 948 97% 14 25 NSS
Regina ATS/AA 843 847 100% 856 856 100% 0 0 NSS
Repulse Bay CARS 135 151 89% 140 157 89% 7 17 NSS
Resolute CARS 610 843 72% 831 998 83% 92 226 41%
Sachs Harbour CARS 32 69 46% 49 74 67% 11 29 NSS
Sandspit NCA 667 854 78% 883 978 90% 52 101 51%
Saskatoon NCH 826 836 99% 840 843 100% 1 2 NSS
Slave Lake NCA 916 988 93% 934 1007 93% 43 59 74%
Smithers NCA/NCH 432 442 98% 432 442 98% 9 14 NSS
Springbank NCH 438 451 97% 455 470 97% 7 20 NSS
Stony Rapids NCA 810 852 95% 819 855 96% 23 39 NSS
Swift Current NCA 919 958 96% 933 967 96% 6 17 NSS
Taloyoak CARS 873 923 95% 915 952 96% 28 54 NSS
Terrace NCH 772 824 94% 801 849 94% 14 30 NSS
Teslin CARS 373 376 99% 366 373 98% 7 10 NSS
The Pas CWO 808 896 90% 830 906 92% 17 54 31%
Thompson ATS 771 897 86% 923 999 92% 18 57 31%
Tofino CWO 195 284 69% 217 304 71% 40 134 30%
Tuktoyaktuk CARS 285 341 84% 311 357 87% 19 71 27%
Vancouver NCH 1568 1585 99% 1605 1605 100% 0 0 NSS
Victoria CWO 779 802 97% 809 820 99% 3 13 NSS
Victoria Harbour ATS 368 392 94% 375 397 94% 10 21 NSS
Watson Lake CARS 840 840 100% 844 844 100% 0 0 NSS
Whitecourt ATS 204 218 94% 208 223 93% 4 19 NSS
Whitehorse NCH 788 801 98% 794 805 99% 3 5 NSS
Williams Lake NCH 820 820 100% 820 820 100% 1 1 NSS
Winnipeg NCH/AA 854 880 97% 886 909 98% 2 13 NSS
Yellowknife NCH 770 827 93% 833 862 97% 7 11 NSS
Yorkton NCA 592 598 99% 598 603 99% 3 5 NSS
*Note: NSS stands for Not Statistically Significant
**Note: N/A stands for Not Applicable