| TAF performance measurement results for NAV CANADA | ||||||||||
| Forecast Type: BOTH Issue Time: 0000-2359Z Hours into TAF:1-6 Months: May Year(s): 2014 | ||||||||||
| 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 | 685 | 760 | 90% | 774 | 856 | 90% | 64 | 183 | 35% |
| Bathurst | CWO | 444 | 520 | 86% | 487 | 562 | 87% | 41 | 220 | 19% |
| Big Trout Lake | NCA | 734 | 835 | 88% | 786 | 873 | 90% | 62 | 140 | 44% |
| Blanc Sablon | CWO | 751 | 816 | 92% | 815 | 878 | 93% | 51 | 176 | 29% |
| Buttonville | CWO | 983 | 1034 | 95% | 994 | 1039 | 96% | 28 | 76 | 37% |
| Cartwright | CWO | 692 | 796 | 87% | 717 | 814 | 88% | 93 | 264 | 35% |
| Chapleau | CWO | 323 | 359 | 90% | 328 | 362 | 91% | 37 | 112 | 33% |
| Charlottetown | NCH | 577 | 698 | 83% | 710 | 829 | 86% | 65 | 228 | 28% |
| Chibougamau-Chapais | CWO | 290 | 324 | 89% | 318 | 348 | 91% | 33 | 72 | NSS |
| Churchill Falls | NCA | 688 | 744 | 92% | 719 | 769 | 93% | 54 | 115 | 47% |
| Deer Lake | NCH | 740 | 774 | 96% | 886 | 893 | 99% | 11 | 20 | NSS |
| Dorval | NCH | 1542 | 1602 | 96% | 1696 | 1696 | 100% | 0 | 0 | NSS |
| Dryden | NCA | 677 | 777 | 87% | 780 | 868 | 90% | 36 | 97 | 37% |
| Earlton | NCA | 399 | 418 | 96% | 413 | 426 | 97% | 24 | 35 | NSS |
| Fredericton | NCA | 746 | 840 | 89% | 876 | 926 | 95% | 57 | 111 | 51% |
| Gander | NCH | 493 | 604 | 82% | 734 | 846 | 87% | 53 | 294 | 18% |
| Gaspé | NCH | 657 | 745 | 88% | 697 | 779 | 89% | 125 | 297 | 42% |
| Gatineau | NCH | 393 | 425 | 93% | 400 | 432 | 93% | 6 | 18 | NSS |
| Geraldton | CWO | 700 | 812 | 86% | 787 | 873 | 90% | 53 | 218 | 24% |
| Gore Bay | NCA | 361 | 385 | 94% | 391 | 407 | 96% | 25 | 69 | NSS |
| Halifax | NCH | 1092 | 1223 | 89% | 1366 | 1511 | 90% | 52 | 321 | 16% |
| Hamilton | NCH | 933 | 1000 | 93% | 978 | 1035 | 95% | 16 | 61 | 27% |
| Havre St Pierre | NCA | 772 | 816 | 95% | 813 | 855 | 95% | 49 | 91 | 54% |
| Îles de la Madeleine | NCH | 349 | 463 | 75% | 393 | 494 | 80% | 78 | 275 | 28% |
| Inukjuak | AWOS/CARS | 710 | 813 | 87% | 800 | 899 | 89% | 65 | 193 | 34% |
| Ivujivik | CARS | 117 | 145 | 81% | 138 | 165 | 84% | 14 | 48 | NSS |
| Kapuskasing | CWO | 759 | 857 | 89% | 808 | 892 | 91% | 58 | 179 | 33% |
| Kenora | NCH | 765 | 875 | 87% | 809 | 913 | 89% | 59 | 169 | 35% |
| Kingston | NCH | 570 | 598 | 95% | 590 | 618 | 96% | 16 | 31 | NSS |
| Kuujjuaq | NCH | 860 | 967 | 89% | 916 | 1013 | 90% | 19 | 76 | 25% |
| Kuujjuarapik | NCA | 553 | 650 | 85% | 635 | 730 | 87% | 97 | 290 | 33% |
| La Grande IV | NCA | 226 | 236 | 96% | 241 | 246 | 98% | 15 | 20 | NSS |
| La Grande Rivière | NCH | 656 | 708 | 93% | 679 | 754 | 90% | 46 | 217 | 21% |
| London | NCH | 906 | 975 | 93% | 1000 | 1030 | 97% | 23 | 49 | NSS |
| Marathon | CWO | 164 | 179 | 91% | 164 | 179 | 91% | 11 | 52 | NSS |
| Mary's Harbour | NCA/CWO | 499 | 562 | 89% | 513 | 580 | 88% | 64 | 159 | 40% |
| Mirabel | NCH | 860 | 910 | 95% | 979 | 981 | 100% | 8 | 9 | NSS |
| Moncton | NCA/NCH | 659 | 765 | 86% | 908 | 953 | 95% | 57 | 120 | 48% |
| Mont-Joli | NCH | 676 | 814 | 83% | 722 | 852 | 85% | 97 | 295 | 33% |
| Moosonee | NCA | 387 | 426 | 91% | 416 | 446 | 93% | 22 | 49 | NSS |
| Muskoka | NCA | 524 | 545 | 96% | 541 | 556 | 97% | 19 | 44 | NSS |
| Nain | CWO | 384 | 394 | 98% | 369 | 377 | 98% | 29 | 55 | NSS |
| Natashquan | AWOS | 737 | 814 | 91% | 767 | 859 | 89% | 59 | 151 | 39% |
| North Bay | NCA/NCH | 872 | 921 | 95% | 971 | 1023 | 95% | 62 | 150 | 41% |
| Ottawa | NCH | 1566 | 1621 | 97% | 1664 | 1688 | 99% | 4 | 21 | NSS |
| Peterborough | NCA | 576 | 586 | 98% | 590 | 596 | 99% | 12 | 17 | NSS |
| Pickle Lake | NCA/NCH | 325 | 351 | 93% | 336 | 377 | 89% | 13 | 96 | 14% |
| Puvirnituq | NCA | 677 | 833 | 81% | 776 | 920 | 84% | 80 | 185 | 43% |
| Quaqtaq | CARS | 102 | 125 | 81% | 118 | 134 | 89% | 13 | 33 | NSS |
| Quebec City | NCH | 795 | 850 | 94% | 911 | 949 | 96% | 34 | 63 | NSS |
| Red Lake | NCA/NCH | 530 | 565 | 94% | 572 | 605 | 95% | 22 | 61 | NSS |
| Roberval | NCH | 554 | 573 | 97% | 558 | 579 | 96% | 17 | 52 | NSS |
| Rouyn-Noranda | NCH | 719 | 813 | 89% | 753 | 852 | 88% | 38 | 183 | 21% |
| Sable Island | NCA | 233 | 274 | 85% | 233 | 274 | 85% | 46 | 271 | 17% |
| Saint John | NCH | 668 | 760 | 88% | 909 | 960 | 95% | 61 | 143 | 43% |
| Sarnia | NCA | 628 | 644 | 98% | 655 | 661 | 99% | 7 | 8 | NSS |
| Sault Ste Marie | NCH | 739 | 861 | 86% | 888 | 974 | 91% | 82 | 217 | 38% |
| Schefferville | AWOS | 764 | 806 | 95% | 796 | 839 | 95% | 30 | 71 | 43% |
| Sept-Îles | NCH | 737 | 855 | 86% | 865 | 947 | 91% | 85 | 178 | 48% |
| Sherbrooke | NCA | 418 | 432 | 97% | 430 | 442 | 97% | 14 | 22 | NSS |
| Sioux Lookout | NCH | 678 | 788 | 86% | 715 | 842 | 85% | 28 | 190 | 15% |
| St Anthony | NCA | 622 | 737 | 84% | 691 | 807 | 86% | 101 | 344 | 29% |
| St Catharines | NCH | 222 | 232 | 95% | 229 | 238 | 96% | 5 | 9 | NSS |
| St Hubert | NCA | 892 | 941 | 95% | 974 | 987 | 99% | 19 | 24 | NSS |
| St John's | NCH | 478 | 562 | 85% | 714 | 809 | 88% | 96 | 411 | 23% |
| Stephenville | CWO | 847 | 896 | 95% | 910 | 928 | 98% | 16 | 21 | NSS |
| Sudbury | NCH | 756 | 814 | 93% | 822 | 897 | 92% | 40 | 134 | 29% |
| Sydney | CWO | 515 | 635 | 81% | 634 | 741 | 86% | 75 | 423 | 18% |
| Tasiujaq | CARS | 160 | 160 | 100% | 167 | 168 | 99% | 12 | 22 | NSS |
| Thunder Bay | NCH | 727 | 743 | 98% | 769 | 804 | 96% | 23 | 97 | 24% |
| Timmins | NCH | 750 | 835 | 90% | 896 | 963 | 93% | 42 | 97 | 43% |
| Toronto City Centre | NCA | 890 | 949 | 94% | 951 | 984 | 97% | 17 | 70 | 24% |
| Toronto LBPI | NCH | 1589 | 1631 | 97% | 1659 | 1674 | 99% | 11 | 37 | NSS |
| Trois rivieres | NCA | 826 | 869 | 95% | 847 | 886 | 96% | 23 | 65 | 35% |
| Val-d'Or | NCA/NCH | 726 | 784 | 93% | 818 | 875 | 94% | 36 | 100 | 36% |
| Wabush | NCH | 681 | 762 | 89% | 820 | 880 | 93% | 57 | 117 | 49% |
| Waskaganish | NCH | 129 | 150 | 85% | 136 | 157 | 86% | 8 | 22 | NSS |
| Waterloo/Wellington | NCA | 560 | 586 | 96% | 618 | 626 | 99% | 14 | 26 | NSS |
| Wawa | CWO | 199 | 249 | 80% | 182 | 232 | 79% | 34 | 101 | 34% |
| Wiarton | CWO | 368 | 402 | 91% | 375 | 408 | 92% | 29 | 61 | NSS |
| Windsor | CWO | 923 | 969 | 95% | 958 | 994 | 96% | 20 | 34 | NSS |
| Yarmouth | NCH | 718 | 804 | 89% | 775 | 867 | 89% | 71 | 212 | 33% |
| 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 | 797 | 822 | 97% | 828 | 844 | 98% | 6 | 10 | 59% |
| Arctic Bay | NCH | 111 | 119 | 93% | 89 | 99 | 90% | 16 | 35 | NSS |
| Arviat | NCA/NCH | 523 | 781 | 67% | 647 | 884 | 73% | 97 | 313 | 31% |
| Baker Lake | NCH | 759 | 872 | 87% | 822 | 905 | 91% | 67 | 111 | 60% |
| Bella Bella | NCA | 454 | 490 | 93% | 393 | 455 | 86% | 47 | 87 | 55% |
| Brandon | NCH | 822 | 893 | 92% | 871 | 922 | 95% | 15 | 40 | 38% |
| Buffalo Narrows | NCH | 367 | 398 | 92% | 371 | 402 | 92% | 15 | 54 | NSS |
| Burwash | NCA/NCH | 768 | 791 | 97% | 726 | 760 | 96% | 32 | 54 | NSS |
| Calgary Intl | NCH | 1498 | 1555 | 96% | 1625 | 1669 | 97% | 55 | 93 | 60% |
| Cambridge Bay | CARS | 621 | 817 | 76% | 739 | 895 | 83% | 67 | 244 | 27% |
| Campbell River | NCH | 392 | 403 | 97% | 412 | 412 | 100% | 0 | 0 | NSS |
| Cape Dorset | NCA/NCH | 648 | 848 | 76% | 648 | 848 | 76% | 72 | 184 | 39% |
| Castlegar | NCH | 449 | 449 | 100% | 420 | 424 | 99% | 22 | 27 | NSS |
| Churchill | NCH | 628 | 805 | 78% | 908 | 1050 | 87% | 98 | 224 | 44% |
| Clyde River | NCA/NCH | 784 | 877 | 89% | 828 | 899 | 92% | 46 | 96 | 48% |
| Coral Harbour | CARS | 689 | 775 | 89% | 740 | 808 | 92% | 59 | 105 | 56% |
| Cranbrook | NCH | 803 | 827 | 97% | 818 | 831 | 98% | 6 | 9 | NSS |
| Dauphin | NCA | 810 | 862 | 94% | 836 | 890 | 94% | 20 | 74 | 27% |
| Dawson City | NCH | 185 | 185 | 100% | 185 | 185 | 100% | 1 | 1 | NSS |
| Dawson Creek | NCA | 446 | 446 | 100% | 446 | 446 | 100% | 0 | 0 | NSS |
| Dease Lake | NCA | 329 | 332 | 99% | 323 | 324 | 99% | 9 | 14 | NSS |
| Deline | CARS | 148 | 159 | 93% | 154 | 163 | 95% | 2 | 4 | NSS |
| Edmonton Intl | NCH | 1498 | 1564 | 96% | 1617 | 1630 | 99% | 6 | 24 | NSS |
| Edmonton Villeneuve | NCA | 827 | 869 | 95% | 871 | 894 | 97% | 14 | 20 | NSS |
| Estevan | CWO | 374 | 391 | 96% | 384 | 395 | 97% | 5 | 7 | NSS |
| Eureka | CWO | 417 | 434 | 96% | 422 | 436 | 97% | 13 | 21 | NSS |
| Faro | NCH | 186 | 186 | 100% | 175 | 180 | 97% | 3 | 6 | NSS |
| Fort Chipewyan | NCA | 206 | 218 | 95% | 215 | 225 | 96% | 18 | 21 | NSS |
| Fort Good Hope | CARS | 139 | 157 | 88% | 144 | 160 | 90% | 7 | 23 | NSS |
| Fort McMurray | NCA | 908 | 941 | 97% | 968 | 985 | 98% | 18 | 24 | NSS |
| Fort McPherson | NCH | 149 | 151 | 98% | 150 | 153 | 99% | 3 | 8 | NSS |
| Fort Nelson | NCH | 814 | 826 | 99% | 839 | 839 | 100% | 0 | 0 | NSS |
| Fort Simpson | CARS | 771 | 803 | 96% | 773 | 806 | 96% | 6 | 31 | NSS |
| Fort Smith | CARS | 795 | 841 | 95% | 832 | 862 | 97% | 10 | 25 | NSS |
| Fort St John | NCH | 816 | 817 | 100% | 818 | 818 | 100% | 2 | 2 | NSS |
| Gillam | CWO | 802 | 925 | 87% | 903 | 983 | 92% | 26 | 95 | 28% |
| Gjoa Haven | NCA/NCH | 648 | 847 | 77% | 749 | 918 | 82% | 84 | 152 | 55% |
| Grande Prairie | NCH | 848 | 849 | 100% | 850 | 851 | 100% | 3 | 4 | NSS |
| Hall Beach | NCA/NCH | 734 | 832 | 88% | 835 | 892 | 94% | 51 | 99 | 52% |
| Hay River | CARS | 793 | 846 | 94% | 842 | 866 | 97% | 8 | 13 | NSS |
| High Level | NCA/NCH | 830 | 848 | 98% | 844 | 855 | 99% | 3 | 10 | NSS |
| Holman | CARS | 113 | 124 | 92% | 126 | 129 | 98% | 6 | 8 | NSS |
| Igloolik | CARS | 129 | 151 | 85% | 136 | 154 | 88% | 10 | 16 | NSS |
| Inuvik | ATS/NCH | 746 | 857 | 87% | 859 | 955 | 90% | 30 | 75 | 40% |
| Iqaluit | NCH | 800 | 893 | 90% | 854 | 936 | 91% | 26 | 68 | 39% |
| Island Lake | CWO | 777 | 879 | 88% | 826 | 909 | 91% | 23 | 71 | 32% |
| Kamloops | NCH | 805 | 805 | 100% | 791 | 796 | 99% | 8 | 10 | NSS |
| Kelowna | NCA | 795 | 796 | 100% | 795 | 796 | 100% | 4 | 4 | NSS |
| Key Lake | NCA | 352 | 419 | 84% | 402 | 452 | 89% | 14 | 38 | NSS |
| Kugaaruk | CARS | 152 | 160 | 95% | 152 | 164 | 93% | 1 | 6 | NSS |
| Kugluktuk | CARS | 658 | 781 | 84% | 693 | 810 | 86% | 70 | 224 | 31% |
| La Ronge | NCH | 738 | 813 | 91% | 767 | 845 | 91% | 26 | 106 | 24% |
| Lethbridge | NCH/AWOS | 802 | 855 | 94% | 860 | 885 | 97% | 23 | 37 | NSS |
| Lloydminster | NCA/NCH | 811 | 895 | 91% | 854 | 930 | 92% | 14 | 62 | 23% |
| Lutselk'e | CARS | 132 | 142 | 93% | 132 | 142 | 93% | 5 | 10 | NSS |
| Lynn Lake | NCA | 735 | 820 | 90% | 773 | 850 | 91% | 32 | 88 | 36% |
| Mackenzie | NCA | 577 | 578 | 100% | 577 | 578 | 100% | 3 | 4 | NSS |
| Masset | CWO | 155 | 185 | 84% | 161 | 193 | 83% | 19 | 60 | NSS |
| Mayo | NCH | 759 | 772 | 98% | 743 | 767 | 97% | 8 | 16 | NSS |
| Medicine Hat | NCA/NCH | 856 | 894 | 96% | 882 | 905 | 97% | 15 | 20 | NSS |
| Nanaimo | NCH | 368 | 378 | 97% | 368 | 378 | 97% | 5 | 17 | NSS |
| Norman Wells | NCH | 799 | 816 | 98% | 830 | 838 | 99% | 24 | 28 | NSS |
| North Battleford | NCA | 822 | 848 | 97% | 838 | 866 | 97% | 23 | 35 | NSS |
| Norway House | NCA | 855 | 904 | 95% | 880 | 917 | 96% | 17 | 30 | NSS |
| Old Crow | NCH | 365 | 377 | 97% | 355 | 374 | 95% | 5 | 8 | NSS |
| Pangnirtung | NCA/NCH | 120 | 124 | 97% | 49 | 72 | 67% | 12 | 64 | 19% |
| Paulatuk | CARS | 125 | 138 | 90% | 138 | 151 | 92% | 12 | 14 | NSS |
| Peace River | NCH | 796 | 804 | 99% | 806 | 810 | 99% | 5 | 6 | NSS |
| Penticton | NCH | 798 | 798 | 100% | 776 | 782 | 99% | 16 | 17 | NSS |
| Pond Inlet | NCA/NCH | 698 | 761 | 92% | 698 | 761 | 92% | 30 | 45 | 67% |
| Port Hardy | NCH | 821 | 843 | 97% | 846 | 869 | 97% | 14 | 29 | NSS |
| Prince Albert | NCH | 813 | 858 | 95% | 881 | 891 | 99% | 9 | 16 | NSS |
| Prince George | NCA | 754 | 765 | 99% | 765 | 773 | 99% | 6 | 11 | NSS |
| Prince Rupert | NCA | 777 | 862 | 90% | 893 | 940 | 95% | 33 | 58 | NSS |
| Qikiqtarjuaq | NCA/NCH | 760 | 891 | 85% | 556 | 745 | 75% | 91 | 317 | 29% |
| Quesnel | NCA | 450 | 464 | 97% | 449 | 461 | 97% | 14 | 25 | NSS |
| Rae Lake | NCH | 152 | 157 | 97% | 155 | 158 | 98% | 3 | 3 | NSS |
| Rankin Inlet | NCH | 506 | 720 | 70% | 649 | 836 | 78% | 61 | 244 | 25% |
| Red Deer | NCH | 827 | 894 | 93% | 863 | 924 | 93% | 25 | 78 | 32% |
| Regina | NCH | 848 | 877 | 97% | 889 | 899 | 99% | 6 | 8 | NSS |
| Repulse Bay | NCH | 130 | 137 | 95% | 137 | 142 | 97% | 16 | 17 | NSS |
| Resolute | CARS | 581 | 813 | 71% | 822 | 949 | 87% | 41 | 135 | 31% |
| Sachs Harbour | CARS | 65 | 76 | 85% | 71 | 85 | 84% | 7 | 15 | NSS |
| Sandspit | NCA | 703 | 877 | 80% | 859 | 970 | 89% | 63 | 108 | 58% |
| Saskatoon | NCH | 865 | 888 | 97% | 908 | 919 | 99% | 1 | 7 | NSS |
| Slave Lake | NCA | 839 | 865 | 97% | 856 | 878 | 97% | 15 | 24 | NSS |
| Smithers | NCA/NCH | 397 | 402 | 99% | 402 | 405 | 99% | 1 | 4 | NSS |
| Springbank | NCA | 424 | 469 | 90% | 516 | 518 | 100% | 2 | 3 | NSS |
| Stony Rapids | NCA | 801 | 866 | 92% | 825 | 879 | 94% | 68 | 90 | 76% |
| Swift Current | NCA | 861 | 927 | 93% | 885 | 947 | 93% | 23 | 56 | 41% |
| Taloyoak | CARS | 700 | 825 | 85% | 789 | 872 | 90% | 49 | 97 | 51% |
| Terrace | NCH | 796 | 828 | 96% | 821 | 850 | 97% | 19 | 40 | NSS |
| Teslin | CARS | 186 | 186 | 100% | 186 | 186 | 100% | 0 | 0 | NSS |
| The Pas | CWO | 803 | 877 | 92% | 844 | 903 | 93% | 16 | 53 | 30% |
| Thompson | ATS | 823 | 857 | 96% | 881 | 901 | 98% | 13 | 33 | NSS |
| Tofino | CWO | 379 | 405 | 94% | 382 | 407 | 94% | 4 | 11 | NSS |
| Tuktoyaktuk | CARS | 339 | 388 | 87% | 372 | 424 | 88% | 42 | 112 | 38% |
| Vancouver | NCH | 1517 | 1526 | 99% | 1556 | 1556 | 100% | 0 | 0 | NSS |
| Victoria | NCH | 777 | 802 | 97% | 805 | 814 | 99% | 2 | 4 | NSS |
| Victoria Harbour | ATS | 381 | 382 | 100% | 385 | 385 | 100% | 9 | 10 | NSS |
| Watson Lake | CARS | 780 | 780 | 100% | 785 | 785 | 100% | 0 | 0 | NSS |
| Wekweeti | NCA | 366 | 390 | 94% | 371 | 391 | 95% | 34 | 64 | NSS |
| Whitecourt | NCH | 205 | 213 | 97% | 211 | 216 | 98% | 1 | 4 | NSS |
| Whitehorse | NCH | 764 | 768 | 100% | 771 | 771 | 100% | 0 | 0 | NSS |
| Williams Lake | NCH | 883 | 950 | 93% | 887 | 950 | 93% | 31 | 58 | 53% |
| Winnipeg | NCH/AA | 868 | 911 | 95% | 960 | 963 | 100% | 11 | 12 | NSS |
| Yellowknife | NCH | 819 | 880 | 93% | 872 | 905 | 96% | 9 | 31 | NSS |
| Yorkton | NCA | 613 | 621 | 99% | 638 | 638 | 100% | 5 | 5 | NSS |
| *Note: NSS stands for Not Statistically Significant | ||||||||||