TAF performance measurement results for NAV CANADA
Forecast Type: BOTH  Issue Time: 0000-2359Z  Hours into TAF:1-6   Month: April  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 122 155 78% 133 161 82% 20 51 NSS
Baie Comeau NCA 650 756 86% 763 862 89% 69 157 44%
Bathurst NCH 477 545 87% 513 590 87% 32 159 20%
Big Trout Lake NCA 738 803 92% 763 822 93% 54 116 46%
Blanc Sablon NCH 651 742 88% 682 773 88% 85 278 31%
Buttonville NCH 846 904 94% 879 930 95% 33 89 37%
Cartwright NCH 709 796 89% 724 804 90% 47 131 36%
Chapleau NCH 270 315 86% 276 320 86% 23 96 24%
Charlottetown NCH 604 667 91% 715 766 93% 50 130 39%
Chibougamau-Chapais NCH 329 378 87% 348 398 88% 38 97 39%
Churchill Falls NCA 685 744 92% 707 761 93% 62 126 49%
Deer Lake NCH 736 790 93% 867 899 96% 52 73 NSS
Dorval NCH 1267 1368 93% 1550 1572 99% 18 34 NSS
Dryden NCA 729 780 94% 786 821 96% 47 86 NSS
Earlton NCA 335 356 94% 348 369 94% 40 74 NSS
Fort Severn NCA 175 203 86% 199 219 91% 30 45 NSS
Fredericton NCA 628 763 82% 798 883 90% 118 202 58%
Gander NCH 479 611 78% 817 899 91% 103 277 37%
Gaspé NCH 691 782 88% 750 845 89% 123 230 53%
Gatineau NCH 354 385 92% 390 403 97% 14 34 NSS
Geraldton NCH 619 773 80% 713 827 86% 75 236 32%
Gore Bay NCA 351 368 95% 371 380 98% 27 40 NSS
Halifax NCH 1057 1178 90% 1240 1360 91% 49 295 17%
Hamilton NCH 805 872 92% 889 948 94% 44 165 27%
Havre St Pierre NCA 707 783 90% 760 834 91% 67 162 42%
Îles de la Madeleine NCH 452 487 93% 488 527 93% 63 137 46%
Inukjuak NCA 622 768 81% 693 825 84% 107 352 30%
Ivujivik NCH 124 140 88% 129 145 89% 12 28 NSS
Kapuskasing NCH 748 830 90% 783 857 91% 44 148 29%
Kenora NCH 686 747 92% 715 783 91% 26 97 27%
Kingston NCH 566 594 95% 597 612 97% 31 45 NSS
Kuujjuaq NCH 789 858 92% 922 953 97% 50 62 NSS
Kuujjuarapik NCA 658 803 82% 686 815 84% 126 331 38%
La Grande IV NCA 187 216 86% 190 219 87% 25 46 NSS
La Grande Rivière NCH 627 745 84% 712 808 88% 70 231 30%
London NCH 823 897 92% 921 975 94% 56 105 53%
Marathon NCH 149 157 95% 149 157 95% 5 29 NSS
Mary's Harbour NCA 482 504 96% 485 505 96% 50 86 NSS
Mirabel NCH 663 729 91% 798 859 93% 51 107 47%
Moncton NCH 646 724 89% 867 922 94% 41 95 43%
Mont-Joli NCH 669 739 91% 701 789 89% 76 265 29%
Moosonee NCA 701 771 91% 747 813 92% 87 162 53%
Muskoka NCA 526 580 91% 558 599 93% 39 83 47%
Muskrat Dam NCA 340 360 95% 362 373 97% 37 58 NSS
Nain NCH 356 367 97% 338 351 96% 27 56 NSS
Natashquan NCA 713 815 88% 755 849 89% 117 236 49%
North Bay NCA/NCH 675 829 81% 804 928 87% 59 177 33%
Ottawa NCH 1204 1324 91% 1455 1543 94% 41 104 39%
Peterborough NCA 550 575 96% 581 601 97% 22 44 NSS
Pickle Lake NCH 325 341 96% 337 352 96% 9 52 NSS
Puvirnituq NCA 498 659 76% 569 715 80% 128 268 48%
Quaqtaq NCH 106 112 94% 109 114 96% 15 21 NSS
Quebec City NCH 573 707 81% 722 861 84% 59 213 28%
Red Lake NCH 528 565 93% 580 594 98% 13 24 NSS
Roberval NCH 465 497 93% 494 530 93% 38 148 26%
Rouyn-Noranda NCH 650 758 86% 734 845 87% 49 180 27%
Sable Island NCA 251 312 80% 267 331 81% 44 224 19%
Saint John NCH 614 733 84% 902 968 93% 66 174 38%
Sandy Lake NCA 191 200 95% 205 211 97% 12 19 NSS
Sarnia NCA 559 590 95% 598 613 98% 16 28 NSS
Sault Ste Marie NCH 760 833 91% 888 956 93% 58 119 49%
Schefferville NCA 622 702 89% 670 730 92% 68 139 49%
Sept-Îles NCH 650 738 88% 787 885 89% 100 217 46%
Sherbrooke NCA 371 407 91% 394 421 94% 27 50 NSS
Sioux Lookout NCH 692 751 92% 731 786 93% 35 84 42%
St Anthony NCA 697 795 88% 755 843 90% 113 240 47%
St Catharines NCH 224 240 93% 245 251 97% 3 19 NSS
St Hubert NCA 719 817 88% 864 931 93% 36 90 40%
St John's NCH 443 546 81% 794 922 86% 105 320 33%
Stephenville NCH 817 858 95% 918 939 98% 29 87 34%
Sudbury NCH 719 796 90% 836 888 94% 36 124 29%
Sydney NCH 613 699 88% 745 833 89% 63 241 26%
Tasiujaq NCH 114 124 92% 119 130 92% 0 5 NSS
Thunder Bay NCH 790 851 93% 871 918 95% 21 42 NSS
Timmins NCH 685 765 90% 784 859 91% 38 94 40%
Toronto City Centre NCA 783 835 94% 897 917 98% 42 54 NSS
Toronto LBPI NCH 1484 1543 96% 1634 1662 98% 20 44 NSS
Trois rivieres NCA 594 708 84% 632 756 84% 71 203 35%
Val-d'Or NCA/NCH 653 753 87% 791 918 86% 65 210 31%
Wabush NCA/NCH 689 743 93% 793 825 96% 47 77 NSS
Waskaganish NCH 106 109 97% 114 116 98% 9 10 NSS
Waterloo/Wellington NCA 771 808 95% 853 903 94% 52 124 42%
Wawa NCH 173 199 87% 182 204 90% 19 35 NSS
Wiarton NCH 332 389 85% 367 406 90% 17 59 28%
Windsor NCH 844 869 97% 884 903 98% 29 36 NSS
Yarmouth NCH 612 687 89% 690 760 91% 93 299 31%
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 819 831 99% 829 837 99% 4 5 NSS
Arctic Bay NCH 52 56 92% 52 56 92% 5 9 NSS
Arviat NCA/NCH 758 810 93% 790 837 94% 75 130 57%
Baker Lake NCH 671 760 88% 700 778 90% 87 217 40%
Bella Bella NCA 415 429 97% 373 407 92% 30 56 NSS
Brandon NCH 792 825 96% 825 847 97% 21 33 NSS
Buffalo Narrows NCH 378 388 97% 386 390 99% 14 40 NSS
Burwash NCA/NCH 752 765 98% 699 734 95% 16 46 NSS
Calgary Intl NCH 1349 1493 90% 1636 1709 96% 49 73 67%
Cambridge Bay NCH 701 821 85% 747 867 86% 66 150 44%
Campbell River NCH 373 394 95% 407 421 97% 11 18 NSS
Cape Dorset NCA/NCH 768 910 84% 768 910 84% 108 188 57%
Castlegar NCH 410 410 100% 358 369 97% 42 52 NSS
Churchill NCH 729 828 88% 860 909 95% 31 64 48%
Clyde River NCA/NCH 701 822 85% 740 840 88% 120 233 52%
Coral Harbour NCH 707 815 87% 764 847 90% 41 96 43%
Cranbrook NCH 759 769 99% 768 775 99% 8 10 NSS
Dauphin NCA 766 789 97% 773 795 97% 10 29 NSS
Dawson City NCH 175 180 97% 174 180 97% 1 5 NSS
Dawson Creek NCA 331 342 97% 338 354 95% 8 38 NSS
Dease Lake NCA 361 362 100% 357 358 100% 10 13 NSS
Deline NCH 140 147 95% 142 147 97% 4 8 NSS
Edmonton Intl NCH 1222 1424 86% 1640 1728 95% 60 105 57%
Edmonton Villeneuve NCA 689 821 84% 874 974 90% 59 130 45%
Estevan NCH 368 393 94% 396 418 95% 0 10 NSS
Eureka NCH 379 380 100% 381 381 100% 0 0 NSS
Faro NCH 173 179 97% 173 179 97% 0 1 NSS
Fort Chipewyan NCA 537 554 97% 539 556 97% 1 3 NSS
Fort Good Hope NCH 108 121 89% 111 121 92% 4 11 NSS
Fort McMurray NCA 761 796 96% 784 817 96% 24 59 NSS
Fort McPherson NCH 134 135 99% 141 142 99% 7 10 NSS
Fort Nelson NCH 744 769 97% 786 797 99% 10 16 NSS
Fort Simpson NCH 773 782 99% 778 783 99% 12 14 NSS
Fort Smith NCH 710 713 100% 716 717 100% 1 1 NSS
Fort St John NCH 677 749 90% 716 776 92% 21 60 35%
Gillam NCH 694 774 90% 711 804 88% 26 106 25%
Gjoa Haven NCA/NCH 595 772 77% 687 815 84% 90 284 32%
Grande Prairie NCH 758 872 87% 892 933 96% 44 63 NSS
Hall Beach NCA/NCH 595 826 72% 774 948 82% 60 180 33%
Hay River NCH 732 734 100% 743 743 100% 0 0 NSS
High Level NCA/NCH 758 773 98% 762 773 98% 5 6 NSS
Holman NCH 123 131 93% 128 136 94% 4 10 NSS
Igloolik NCH 83 102 81% 85 104 82% 10 28 NSS
Inuvik NCH 693 767 90% 810 838 97% 28 43 NSS
Iqaluit NCH 737 842 88% 844 909 93% 45 97 46%
Island Lake NCH 577 615 94% 630 649 97% 11 26 NSS
Kamloops NCH 757 757 100% 745 748 99% 6 8 NSS
Kelowna NCA 804 824 98% 804 824 98% 7 13 NSS
Key Lake NCA 355 362 98% 359 362 99% 10 16 NSS
Kugaaruk NCH 139 166 84% 140 166 84% 10 34 NSS
Kugluktuk NCH 747 846 88% 797 863 92% 56 99 56%
La Ronge NCH 671 708 95% 687 715 96% 46 101 46%
Lethbridge NCA/NCH 926 1031 90% 1010 1090 93% 13 39 33%
Lloydminster NCA/NCH 661 855 77% 767 920 83% 62 212 29%
Lutselk'e NCH 57 57 100% 57 57 100% 0 0 NSS
Lynn Lake NCA 750 800 94% 760 814 93% 22 43 50%
Mackenzie NCA 573 577 99% 578 580 100% 8 9 NSS
Masset NCH 360 386 93% 389 398 98% 1 1 NSS
Mayo NCH 741 745 99% 697 723 96% 16 26 NSS
Medicine Hat NCA/NCH 828 901 92% 857 916 94% 27 60 44%
Nanaimo NCH 361 385 94% 371 393 94% 13 22 NSS
Norman Wells NCH 730 757 96% 742 768 97% 10 16 NSS
North Battleford NCA 792 856 93% 852 906 94% 30 49 NSS
Norway House NCA 737 792 93% 767 810 95% 44 74 NSS
Old Crow NCH 324 330 98% 312 319 98% 13 22 NSS
Pangnirtung NCA/NCH 113 118 96% 82 91 90% 27 45 NSS
Paulatuk NCH 119 128 93% 128 135 94% 5 17 NSS
Peace River NCH 747 804 93% 786 824 95% 28 63 NSS
Penticton NCH 802 814 99% 803 814 99% 3 7 NSS
Pond Inlet NCA/NCH 765 829 92% 800 842 95% 27 39 NSS
Port Hardy NCH 790 809 98% 819 823 100% 2 2 NSS
Prince Albert NCH 761 809 94% 860 862 100% 10 10 NSS
Prince George NCA 765 832 92% 807 858 94% 13 42 31%
Prince Rupert NCA 771 783 99% 790 797 99% 9 12 NSS
Qikiqtarjuaq NCA/NCH 678 770 88% 632 745 85% 74 196 38%
Quesnel NCA 390 425 92% 390 425 92% 18 46 NSS
Rae Lake NCH 118 119 99% 119 119 100% 1 1 NSS
Rankin Inlet NCH 634 770 82% 716 875 82% 62 230 27%
Red Deer NCH 721 863 83% 845 945 89% 77 146 53%
Regina NCH 784 840 93% 833 866 96% 7 25 NSS
Repulse Bay NCH 83 114 73% 92 114 80% 8 33 NSS
Resolute Bay NCH 660 756 87% 731 809 90% 24 72 33%
Sachs Harbour NCH 78 93 84% 80 98 82% 7 28 NSS
Sandspit NCA 809 876 92% 881 927 95% 12 23 NSS
Saskatoon NCH 760 792 96% 802 809 99% 6 8 NSS
Slave Lake NCA 763 863 88% 808 899 90% 70 148 47%
Smithers NCA/NCH 365 369 99% 367 371 99% 6 6 NSS
Springbank NCA 487 521 93% 562 587 96% 28 38 NSS
Stony Rapids NCA 674 681 99% 676 684 99% 0 2 NSS
Swift Current NCA 824 922 89% 859 943 91% 63 119 53%
Taloyoak NCH 744 830 90% 773 850 91% 74 116 64%
Terrace NCH 790 823 96% 769 810 95% 31 57 NSS
Teslin NCH 183 185 99% 183 185 99% 0 1 NSS
The Pas NCH 750 816 92% 775 831 93% 44 123 35%
Thompson NCH 696 742 94% 736 775 95% 32 65 NSS
Tofino NCH 366 371 99% 373 377 99% 15 15 NSS
Tuktoyaktuk NCH 396 425 93% 413 442 93% 31 68 NSS
Vancouver NCH 1472 1483 99% 1494 1494 100% 0 0 NSS
Victoria NCH 759 775 98% 777 781 99% 8 9 NSS
Victoria Harbour NCH 395 401 98% 397 402 99% 4 6 NSS
Watson Lake NCH 729 736 99% 736 739 99% 1 3 NSS
Wekweeti NCA 347 360 96% 348 360 96% 17 24 NSS
Whitecourt NCH 134 161 83% 144 164 88% 15 50 NSS
Whitehorse NCH 723 725 100% 725 725 100% 0 0 NSS
Williams Lake NCH 886 945 94% 903 956 94% 28 50 56%
Winnipeg NCH 797 827 96% 872 879 99% 6 8 NSS
Yellowknife NCH 789 803 98% 799 808 99% 1 2 NSS
Yorkton NCA 553 583 95% 562 586 96% 13 28 NSS
*Note: NSS stands for Not Statistically Significant
          N/A stands for Not Available