TAF performance measurement results for NAV CANADA
Forecast Type: BOTH  Issue Time: 0000-2359Z  Hours into TAF:1-6   Month: November  Year: 2017
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
Attawapiskat NCA 230 248 92% 239 251 95% 31 39 NSS
Baie Comeau NCA 777 840 92% 828 899 92% 41 105 39%
Bathurst NCH 536 600 89% 569 630 90% 36 86 42%
Big Trout Lake NCA 747 867 86% 809 909 89% 99 171 58%
Blanc Sablon NCH 808 879 92% 896 939 95% 97 155 62%
Buttonville NCH 815 894 91% 846 916 92% 48 123 39%
Cartwright NCH 727 783 93% 730 788 93% 80 205 39%
Chapleau NCH 311 424 73% 358 441 81% 64 160 40%
Charlottetown NCH 764 826 93% 858 903 95% 37 65 NSS
Chibougamau-Chapais NCA 306 376 82% 376 429 88% 93 135 69%
Churchill Falls NCA 663 821 81% 718 860 84% 104 222 47%
Deer Lake NCH 848 860 99% 913 920 99% 9 12 NSS
Dorval NCH 1468 1505 97% 1571 1582 99% 7 11 NSS
Dryden NCA 741 852 87% 897 981 91% 67 131 51%
Earlton NCA 327 357 91% 358 393 91% 31 92 33%
Fort Severn NCA 329 345 95% 337 351 96% 28 41 NSS
Fredericton NCA 783 810 97% 833 856 97% 25 41 NSS
Gander NCH 707 809 87% 908 967 94% 25 91 27%
Gaspé NCH 764 799 96% 786 818 96% 42 87 48%
Gatineau NCH 361 381 95% 385 401 96% 7 15 NSS
Geraldton NCH 697 934 75% 805 990 81% 101 260 39%
Gore Bay NCA 382 414 92% 412 432 95% 43 53 NSS
Halifax NCH 1310 1481 88% 1598 1659 96% 49 115 43%
Hamilton NCH 826 871 95% 892 930 96% 37 76 48%
Havre St Pierre NCA 654 775 84% 704 826 85% 71 212 33%
Îles de la Madeleine NCH 514 539 95% 546 565 97% 33 65 NSS
Inukjuak NCA 652 861 76% 718 896 80% 243 359 68%
Kapuskasing NCH 603 804 75% 708 885 80% 106 286 37%
Kenora NCH 725 922 79% 854 988 86% 81 201 40%
Kingston NCH 430 438 98% 458 462 99% 6 8 NSS
Kuujjuaq NCH 767 812 95% 851 860 99% 43 47 NSS
Kuujjuarapik NCA 697 856 81% 697 856 81% 208 360 58%
La Grande IV NCA 173 222 78% 176 225 78% 40 97 41%
La Grande Rivière NCH 644 951 68% 850 1118 76% 112 283 40%
London NCH 771 851 91% 884 957 92% 54 126 43%
Marathon NCH 145 159 91% 145 159 91% 24 49 NSS
Mary's Harbour NCA 513 581 88% 518 583 89% 83 141 59%
Mirabel NCH 836 881 95% 931 977 95% 25 47 NSS
Moncton NCH 795 841 95% 928 943 98% 13 19 NSS
Mont-Joli NCH 779 824 95% 805 847 95% 51 85 61%
Moosonee NCA 659 737 89% 691 754 92% 67 151 44%
Muskoka NCA 368 390 94% 380 407 93% 34 84 41%
Muskrat Dam NCA 217 265 82% 235 289 81% 22 53 41%
Nain NCH 313 349 90% 299 329 91% 28 134 21%
Natashquan NCA 669 765 88% 699 786 89% 84 206 41%
North Bay NCA/NCH 730 884 83% 897 1048 86% 76 216 35%
Ottawa NCH 1503 1547 97% 1666 1696 98% 12 23 NSS
Peterborough NCA 527 560 94% 542 575 94% 25 55 NSS
Pickle Lake NCH 321 391 82% 366 422 87% 21 60 35%
Quebec City NCH 794 862 92% 888 980 91% 60 140 43%
Red Lake NCH 433 522 83% 538 578 93% 21 79 27%
Roberval NCH 348 386 90% 366 405 91% 37 82 46%
Rouyn-Noranda NCH 668 845 79% 796 977 82% 66 234 28%
Sable Island NCA 389 419 93% 401 425 94% 25 52 NSS
Saint John NCH 762 824 92% 919 942 98% 30 62 NSS
Sandy Lake NCA 234 269 87% 256 283 90% 28 46 NSS
Sarnia NCA 521 547 95% 554 571 97% 32 47 NSS
Sault Ste Marie NCH 752 862 87% 881 954 92% 102 143 71%
Schefferville NCA 665 818 81% 720 845 85% 139 256 54%
Sept-Îles NCH 715 823 87% 811 909 89% 72 164 44%
Sherbrooke NCA 404 429 94% 423 440 96% 20 27 NSS
Sioux Lookout NCH 708 833 85% 814 913 89% 57 157 36%
St Anthony NCA 885 973 91% 951 1028 93% 94 144 65%
St Catharines NCH 364 372 98% 377 382 99% 6 11 NSS
St Hubert NCA 826 855 97% 871 895 97% 20 34 NSS
St John's NCH 643 753 85% 946 1004 94% 51 103 49%
Stephenville NCH 899 940 96% 979 997 98% 25 30 NSS
Sudbury NCH 632 811 78% 772 934 83% 88 266 33%
Sydney NCH 828 883 94% 906 970 93% 25 78 32%
Tasiujaq NCH 167 178 94% 170 180 95% 24 29 NSS
Thunder Bay NCH 803 832 97% 865 890 97% 47 81 NSS
Timmins NCH 635 803 79% 816 938 87% 64 151 43%
Toronto City Centre NCA 849 869 98% 886 901 98% 13 24 NSS
Toronto LBPI NCH 1500 1556 96% 1637 1675 98% 13 29 NSS
Trois rivieres NCA 822 870 94% 861 897 96% 44 101 43%
Val-d'Or NCA/NCH 621 817 76% 870 1016 86% 83 216 38%
Wabush NCA/NCH 652 777 84% 797 869 92% 121 187 65%
Waskaganish NCH 90 109 82% 103 125 82% 18 44 NSS
Waterloo/Wellington NCA 767 820 94% 846 892 95% 37 81 46%
Wawa NCH 196 216 91% 198 217 92% 54 71 NSS
Wiarton NCH 367 405 91% 406 416 98% 26 40 NSS
Windsor NCH 790 840 94% 863 917 94% 32 74 44%
Yarmouth NCH 765 820 93% 820 869 94% 49 99 50%
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 False Alarm (hours) Total Forecasts (hours) *Below Alternate False Alarm Ratio
Abbotsford NCH 849 889 96% 892 922 97% 21 35 NSS
Arctic Bay NCH 147 147 100% 145 145 100% 4 4 NSS
Arviat NCA/NCH 690 897 77% 860 999 86% 123 262 47%
Baker Lake NCH 748 803 93% 762 813 94% 91 187 49%
Bella Bella NCA 405 426 95% 334 365 92% 68 93 NSS
Brandon NCH 812 909 89% 921 988 93% 43 73 59%
Buffalo Narrows NCH 373 428 87% 385 437 88% 30 58 51%
Burwash NCA/NCH 751 860 87% 538 700 77% 129 273 47%
Calgary Intl NCH 1293 1456 89% 1650 1722 96% 60 97 62%
Cambridge Bay NCH 575 754 76% 715 851 84% 103 242 43%
Campbell River NCH 317 395 80% 407 450 90% 18 41 NSS
Cape Dorset NCA/NCH 668 795 84% 668 795 84% 172 287 60%
Castlegar NCH 354 400 89% 209 259 81% 68 192 36%
Churchill NCH 697 845 83% 838 953 88% 82 165 50%
Clyde River NCA/NCH 694 902 77% 748 939 80% 138 304 46%
Coral Harbour NCH 692 813 85% 729 842 87% 90 234 39%
Cranbrook NCH 713 827 86% 763 868 88% 17 76 22%
Dauphin NCA 892 932 96% 906 938 97% 54 73 NSS
Dawson City NCH 289 308 94% 257 295 87% 16 52 NSS
Dawson Creek NCA 356 419 85% 393 450 87% 37 95 39%
Dease Lake NCA 263 295 89% 246 277 89% 52 78 NSS
Deline NCH 234 285 82% 235 291 81% 24 53 45%
Edmonton Intl NCH 1232 1372 90% 1544 1602 96% 29 72 39%
Edmonton Villeneuve NCA 773 866 89% 907 964 94% 52 119 43%
Estevan NCH 369 401 92% 392 412 95% 19 39 NSS
Eureka NCH 369 385 96% 374 385 97% 1 9 NSS
Faro NCH 175 180 97% 175 180 97% 5 6 NSS
Fort Chipewyan NCA 577 647 89% 640 689 93% 55 84 66%
Fort Good Hope NCH 207 254 82% 231 272 85% 20 46 NSS
Fort McMurray NCA 814 899 91% 919 983 94% 28 61 46%
Fort McPherson NCH 160 166 97% 164 167 98% 6 10 NSS
Fort Nelson NCH 690 760 91% 768 816 94% 46 74 63%
Fort Simpson NCH 809 871 93% 858 897 96% 46 82 56%
Fort Smith NCH 698 845 83% 865 962 90% 70 122 57%
Fort St John NCH 643 759 85% 759 865 88% 82 174 47%
Gillam NCH 721 796 91% 764 821 93% 44 101 44%
Gjoa Haven NCA/NCH 610 806 76% 683 856 80% 186 360 52%
Grande Prairie NCH 730 887 82% 928 1009 92% 69 109 63%
Hall Beach NCA/NCH 677 850 80% 885 998 89% 198 319 62%
Hay River NCH 868 982 88% 1012 1074 94% 24 43 57%
High Level NCA/NCH 748 864 87% 774 889 87% 96 190 51%
Holman NCH 218 271 80% 225 278 81% 35 72 48%
Igloolik NCH 117 122 96% 134 139 97% 22 41 NSS
Inuvik NCH 715 817 88% 899 952 94% 24 61 39%
Iqaluit NCH 868 930 93% 940 988 95% 59 145 41%
Island Lake NCH 648 712 91% 733 790 93% 49 93 53%
Ivujivik NCH 151 165 92% 154 167 92% 24 32 NSS
Kamloops NCH 814 825 99% 695 779 89% 26 77 33%
Kangiqsujuaq NCH 104 114 92% 106 116 92% 4 10 NSS
Kangirsuk NCH 130 142 92% 141 149 94% 4 13 NSS
Kelowna NCA 869 923 94% 873 923 95% 45 82 55%
Key Lake NCA 286 374 76% 372 437 85% 60 99 61%
Kugaaruk NCH 134 177 76% 137 178 77% 15 40 NSS
Kugluktuk NCH 888 966 92% 937 989 95% 54 76 NSS
La Ronge NCH 801 888 90% 835 917 91% 77 121 63%
Lethbridge NCA/NCH 856 941 91% 928 1005 92% 38 80 47%
Lloydminster NCA/NCH 692 785 88% 790 857 92% 75 200 37%
Lutselk'e NCH 232 268 86% 232 268 86% 18 33 NSS
Lynn Lake NCA 722 878 82% 782 910 86% 93 192 48%
Mackenzie NCA 517 604 86% 546 616 89% 75 132 57%
Masset NCH 341 350 98% 360 361 100% 10 10 NSS
Mayo NCH 767 864 89% 590 747 79% 98 267 37%
Medicine Hat NCA/NCH 813 902 90% 852 917 93% 97 161 60%
Nanaimo NCH 376 422 89% 385 427 90% 33 68 48%
Norman Wells NCH 781 838 93% 808 849 95% 53 75 NSS
North Battleford NCA 794 941 84% 910 1026 89% 86 181 47%
Norway House NCA 752 881 85% 799 903 88% 81 166 49%
Old Crow NCH 330 362 91% 330 362 91% 29 54 NSS
Pangnirtung NCA/NCH 151 181 84% 94 135 70% 27 74 36%
Paulatuk NCH 150 170 88% 161 177 91% 23 29 NSS
Peace River NCH 753 826 91% 788 844 93% 91 151 60%
Penticton NCH 843 868 97% 855 872 98% 29 46 NSS
Pond Inlet NCA/NCH 824 874 94% 845 894 95% 50 109 45%
Port Hardy NCH 835 868 96% 878 890 99% 8 10 NSS
Prince Albert NCH 749 823 91% 832 891 93% 65 127 51%
Prince George NCA 760 880 86% 864 952 91% 53 117 45%
Prince Rupert NCA 796 826 96% 841 855 98% 10 14 NSS
Puvirnituq NCA 708 927 76% 755 947 80% 246 335 73%
Qikiqtarjuaq NCA/NCH 813 923 88% 721 825 87% 119 341 35%
Quaqtaq NCH 115 135 85% 122 138 88% 16 26 NSS
Quesnel NCA 354 408 87% 354 408 87% 18 62 28%
Rae Lake NCH 261 272 96% 265 275 96% 19 30 NSS
Rankin Inlet NCH 692 773 90% 754 832 91% 58 263 22%
Red Deer NCH 692 796 87% 827 900 92% 66 121 55%
Regina NCH 850 952 89% 1001 1061 94% 66 112 59%
Repulse Bay NCH 90 124 72% 92 124 74% 17 57 NSS
Resolute Bay NCH 689 809 85% 845 923 91% 73 188 39%
Sachs Harbour NCH 79 116 69% 115 150 77% 30 45 NSS
Salluit NCH 146 164 89% 154 166 93% 16 25 NSS
Sandspit NCA 870 914 95% 950 978 97% 22 37 NSS
Saskatoon NCH 752 852 88% 846 921 92% 68 104 66%
Slave Lake NCA 838 912 92% 882 930 95% 82 122 67%
Smithers NCA/NCH 347 414 84% 360 424 85% 54 113 48%
Springbank NCA 372 443 84% 434 481 90% 20 51 40%
Stony Rapids NCA 799 910 88% 868 945 92% 107 140 76%
Swift Current NCA 704 863 82% 760 904 84% 114 216 53%
Taloyoak NCH 711 798 89% 737 816 90% 67 97 69%
Terrace NCH 620 834 74% 500 666 75% 112 511 22%
Teslin NCH 158 168 94% 158 168 94% 16 29 NSS
The Pas NCH 733 866 85% 823 958 86% 48 111 43%
Thompson NCH 766 847 90% 875 924 95% 34 63 54%
Tofino NCH 334 344 97% 335 344 97% 28 55 NSS
Tuktoyaktuk NCH 328 415 79% 359 444 81% 34 69 50%
Vancouver NCH 1516 1560 97% 1623 1629 100% 6 7 NSS
Victoria NCH 804 855 94% 875 905 97% 13 21 NSS
Victoria Harbour NCH 395 412 96% 407 420 97% 14 20 NSS
Watson Lake NCH 699 744 94% 751 787 95% 22 46 NSS
Wekweeti NCA 297 387 77% 310 395 78% 53 111 48%
Whitecourt NCH 141 187 76% 151 202 75% 7 29 NSS
Whitehorse NCH 700 885 79% 878 974 90% 54 94 58%
Williams Lake NCH 773 816 95% 784 825 95% 20 39 NSS
Winnipeg NCH 813 872 93% 927 950 98% 35 46 NSS
Yellowknife NCH 780 898 87% 925 987 94% 37 75 49%
Yorkton NCA 585 662 88% 620 684 91% 52 85 61%
*Note: NSS stands for Not Statistically Significant
          N/A stands for Not Available