TAF performance measurement results for TAFs issued during January 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 744 811 92% 812 865 94% 55 93 59%
Bathurst CWO 518 594 87% 549 607 90% 41 121 34%
Big Trout Lake AWOS 830 942 88% 888 981 91% 57 123 46%
Blanc Sablon CWO 702 762 92% 758 822 92% 80 223 36%
Buttonville CWO 749 861 87% 811 882 92% 64 166 39%
Cartwright CWO 596 725 82% 570 682 84% 118 381 31%
Chapleau CWO 402 426 94% 402 426 94% 31 51 NSS
Charlottetown ATS 600 736 82% 808 906 89% 94 220 43%
Chibougamau-Chapais CWO 317 361 88% 334 381 88% 33 81 41%
Churchill Falls AWOS 552 749 74% 614 781 79% 100 278 36%
Deer Lake ATS 679 782 87% 867 931 93% 70 136 51%
Dorval CWO 1411 1497 94% 1647 1662 99% 20 28 NSS
Dryden NCA 836 947 88% 976 1044 93% 47 68 69%
Earlton CWO 375 427 88% 402 444 90% 19 53 36%
Fredericton NCA 759 828 92% 835 889 94% 53 122 43%
Gander CWO 581 762 76% 838 996 84% 96 345 28%
Gaspé CWO 750 847 89% 798 885 90% 95 210 45%
Gatineau ATS 332 372 89% 345 378 91% 25 62 NSS
Geraldton CWO 721 904 80% 778 941 83% 73 153 48%
Gore Bay NCA 322 356 90% 342 366 94% 42 69 NSS
Halifax ATS 1096 1407 78% 1575 1785 88% 99 250 40%
Hamilton CWO 729 828 88% 840 919 91% 44 117 38%
Havre St Pierre NCA 750 815 92% 814 882 92% 68 123 56%
Îles de la Madeleine ATS 426 499 85% 555 584 95% 90 138 65%
Inukjuak AWOS/CARS 554 792 70% 628 850 74% 149 363 41%
Ivujivik CARS 129 155 83% 140 164 86% 32 48 NSS
Kapuskasing CWO 697 912 76% 764 958 80% 62 199 31%
Kenora ATS 749 914 82% 905 1015 89% 54 103 53%
Kingston ATS 412 478 86% 490 538 91% 24 54 45%
Kuujjuaq ATS 699 802 87% 872 909 96% 52 73 NSS
Kuujjuarapik CWO 755 844 89% 829 898 92% 84 124 68%
La Grande IV AWOS/CWO 176 204 86% 189 225 84% 19 41 NSS
La Grande Rivière ATS 665 804 83% 728 858 85% 77 187 41%
London ATS 650 841 77% 914 1036 88% 75 179 42%
Marathon CWO 154 208 74% 154 208 74% 9 36 25%
Mary's Harbour AWOS/CWO 401 479 84% 425 495 86% 65 256 25%
Mirabel ATS 837 896 93% 966 1008 96% 10 43 NSS
Moncton CWO 653 780 84% 872 957 91% 63 158 40%
Mont-Joli ATS 746 888 84% 842 977 86% 65 165 40%
Moosonee NCA 357 388 92% 373 391 95% 2 3 NSS
Muskoka NCA 365 417 88% 381 431 88% 27 71 38%
Nain CWO 317 346 92% 277 315 88% 11 170 7%
Natashquan AWOS 270 287 94% 305 330 92% 30 62 NSS
North Bay CWO 711 834 85% 812 908 89% 56 161 35%
Ottawa CWO 1309 1468 89% 1597 1680 95% 19 51 36%
Peterborough NCA 513 570 90% 535 587 91% 29 71 41%
Pickle Lake CWO 372 402 93% 385 409 94% 23 31 NSS
Puvirnituq CARS 151 185 81% 168 200 84% 11 26 NSS
Quaqtaq CARS 87 110 80% 94 115 81% 13 51 NSS
Quebec City ATS 850 917 93% 924 968 95% 23 82 28%
Red Lake CWO 501 568 88% 545 585 93% 38 63 NSS
Roberval CWO 354 403 88% 380 424 90% 18 40 NSS
Rouyn-Noranda ATS 742 817 91% 804 866 93% 49 91 54%
Sable Island AWOS 368 464 79% 532 570 93% 45 69 NSS
Saint John ATS 689 784 88% 910 932 98% 31 55 NSS
Sarnia NCA 372 420 89% 413 445 93% 29 52 NSS
Sault Ste Marie ATS 789 861 92% 895 953 94% 42 91 46%
Schefferville AWOS 524 770 68% 625 831 75% 92 334 28%
Sept-Îles ATS 724 778 93% 770 818 94% 31 68 45%
Sherbrooke NCA 397 439 90% 449 479 94% 37 62 NSS
Sioux Lookout ATS 823 897 92% 866 928 93% 62 112 56%
St Anthony NCA 576 711 81% 676 803 84% 108 319 34%
St Catharines ATS 382 413 92% 412 431 96% 40 57 NSS
St Hubert NCA 847 917 92% 950 989 96% 61 92 NSS
St John's CWO 611 692 88% 813 915 89% 92 301 31%
Stephenville CWO 733 813 90% 838 898 93% 64 124 51%
Sudbury CWO 737 822 90% 854 899 95% 43 78 55%
Sydney CWO 627 723 87% 798 917 87% 81 195 41%
Tasiujaq CARS 88 94 94% 89 94 95% 8 10 NSS
Thunder Bay ATS/AA 783 861 91% 874 923 95% 21 53 39%
Timmins ATS 712 823 87% 883 945 93% 47 84 56%
Toronto City Centre NCA 817 870 94% 916 951 96% 40 71 NSS
Toronto LBPI CWO 1458 1578 92% 1722 1775 97% 26 46 NSS
Val-d'Or AWOS/ATS 686 830 83% 907 988 92% 29 74 39%
Wabush ATS 618 743 83% 770 863 89% 53 156 34%
Waskaganish CARS 127 138 92% 134 145 92% 3 10 NSS
Waterloo/Wellington NCA 521 620 84% 618 701 88% 40 96 42%
Wawa CWO 186 214 87% 186 212 88% 19 36 NSS
Wiarton CWO 287 392 73% 304 404 75% 63 149 42%
Windsor CWO 775 864 90% 912 970 94% 60 108 56%
Yarmouth CWO 645 752 86% 781 858 91% 91 193 47%
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 708 885 80% 864 992 87% 61 137 45%
Arctic Bay AWS 64 68 94% 77 77 100% 0 0 NSS
Arviat AWOS/CARS 498 676 74% 544 702 78% 99 420 23%
Baker Lake CARS 651 757 86% 682 776 88% 109 279 39%
Bella Bella AWOS 344 391 88% 301 375 80% 52 126 41%
Brandon ATS 835 938 89% 880 999 88% 68 119 57%
Buffalo Narrows CWO 304 402 76% 334 418 80% 51 129 40%
Burwash AWOS/CARS 785 865 91% 714 816 88% 66 142 47%
Calgary Intl CWO 1416 1489 95% 1671 1679 100% 17 27 NSS
Cambridge Bay CARS 592 806 73% 756 933 81% 83 217 38%
Campbell River ATS 228 332 69% 263 386 68% 23 153 15%
Cape Dorset AWOS/CARS 580 791 73% 596 802 74% 136 358 38%
Castlegar ATS 322 368 88% 206 260 79% 70 191 37%
Churchill ATS/AA 661 797 83% 857 961 89% 79 168 47%
Clyde River AWOS/CARS 588 758 78% 595 760 78% 88 270 33%
Coral Harbour CARS 698 799 87% 709 811 87% 63 148 42%
Cranbrook ATS 811 866 94% 853 894 95% 15 37 NSS
Dauphin NCA 855 963 89% 928 998 93% 110 164 67%
Dawson City CARS 308 363 85% 284 338 84% 13 63 21%
Dawson Creek NCA 399 486 82% 399 486 82% 35 76 45%
Deline CARS 289 308 94% 293 312 94% 5 7 NSS
Edmonton Intl CWO 1310 1484 88% 1708 1743 98% 78 94 NSS
Edmonton Muni AWOS 726 915 79% 895 1025 87% 87 186 47%
Eureka CWO 371 386 96% 371 386 96% 12 26 NSS
Faro CARS 179 185 97% 156 164 95% 18 32 NSS
Fort Chipewyan AWOS 155 234 66% 188 252 75% 11 40 29%
Fort Good Hope CARS 314 323 97% 317 326 97% 4 6 NSS
Fort McMurray AWOS 742 932 80% 980 1088 90% 86 142 61%
Fort McPherson CARS 160 160 100% 162 162 100% 0 0 NSS
Fort Nelson ATS 780 853 92% 834 891 94% 20 34 NSS
Fort Simpson CARS 726 846 86% 791 904 88% 27 114 23%
Fort Smith CARS 713 822 87% 786 871 90% 36 95 38%
Fort St John ATS 790 855 92% 870 909 96% 56 83 NSS
Gillam CWO 699 795 88% 794 852 93% 25 62 40%
Gjoa Haven AWOS/CARS 404 589 69% 432 602 72% 132 366 36%
Grande Prairie ATS 742 851 87% 836 919 91% 85 167 51%
Hall Beach AWOS/CARS 649 862 75% 690 881 78% 163 332 49%
Hay River CARS 744 821 91% 840 880 95% 41 56 NSS
High Level ATS 769 853 90% 854 922 93% 40 122 32%
Holman CARS 225 260 87% 235 265 89% 10 18 NSS
Igloolik CARS 220 245 90% 220 245 90% 20 38 NSS
Inuvik ATS/AA 747 862 87% 850 929 91% 32 66 48%
Iqaluit ATS/AA 791 873 91% 845 929 91% 44 162 27%
Island Lake CWO 751 805 93% 807 852 95% 31 61 NSS
Kamloops ATS 806 925 87% 664 815 82% 80 285 28%
Kelowna NCA 849 918 92% 849 918 92% 51 83 62%
Kugaaruk CARS 111 125 88% 111 127 87% 18 46 NSS
Kugluktuk CARS 833 892 93% 846 900 94% 51 89 58%
La Ronge ATS 750 861 87% 810 916 88% 57 139 41%
Lethbridge ATS/AWOS 792 908 87% 911 1004 91% 49 105 47%
Lloydminster ATS/NCA 710 796 89% 790 858 92% 105 188 56%
Lutselk'e CARS 262 262 100% 262 262 100% 2 2 NSS
Lynn Lake NCA 735 870 84% 827 922 90% 105 162 65%
Mackenzie NCA 531 615 86% 531 615 86% 52 109 48%
Masset CWO 308 345 89% 313 352 89% 23 42 NSS
Mayo CARS 833 863 96% 650 759 86% 49 145 34%
Medicine Hat ATS/NCA 762 882 86% 803 910 88% 96 224 43%
Nanaimo ATS 274 362 76% 279 374 75% 33 116 28%
Norman Wells ATS 783 846 93% 783 846 93% 36 87 42%
North Battleford NCA 848 991 86% 917 1030 89% 127 201 63%
Norway House NCA 787 953 83% 867 989 88% 107 161 66%
Old Crow CARS 344 361 95% 328 357 92% 47 67 NSS
Pangnirtung LWIS/CARS 126 132 95% 88 104 84% 11 42 NSS
Paulatuk CARS 158 176 90% 164 180 91% 1 7 NSS
Peace River ATS 745 871 85% 860 958 90% 89 165 54%
Penticton ATS 842 851 99% 617 726 85% 75 160 47%
Pond Inlet AWOS/CARS 641 764 84% 643 764 84% 75 178 42%
Port Hardy ATS 771 865 89% 879 908 97% 10 25 NSS
Prince Albert ATS 743 821 90% 898 945 95% 42 61 NSS
Prince George NCA 761 919 83% 850 979 87% 78 143 54%
Prince Rupert NCA 801 844 95% 894 915 98% 24 30 NSS
Qikiqtarjuaq AWOS/CARS 707 802 88% 578 703 82% 94 231 41%
Quesnel NCA 361 478 76% 350 467 75% 52 129 40%
Rae Lake CARS 251 278 90% 268 291 92% 21 29 NSS
Rankin Inlet ATS 519 660 79% 589 721 82% 127 384 33%
Red Deer ATS 756 829 91% 815 879 93% 56 126 44%
Regina ATS/AA 819 970 84% 1059 1158 91% 112 179 62%
Repulse Bay CARS 108 152 71% 109 152 72% 9 34 NSS
Resolute CARS 644 757 85% 732 838 87% 85 198 43%
Sachs Harbour CARS 163 169 97% 172 173 99% 5 5 NSS
Sandspit NCA 868 981 88% 976 1039 94% 30 44 69%
Saskatoon ATS/AA 830 915 91% 987 1088 91% 80 129 62%
Slave Lake AWOS 672 841 80% 711 854 83% 140 298 47%
Smithers ATS/NCA 356 406 88% 356 406 88% 23 69 33%
Springbank CWO 436 460 95% 477 486 98% 18 33 NSS
Stony Rapids NCA 592 672 88% 650 712 91% 82 108 76%
Swift Current AWOS 327 476 69% 377 514 73% 78 201 39%
Taloyoak CARS 333 388 86% 347 396 88% 34 90 37%
Terrace ATS 650 862 75% 794 954 83% 76 194 39%
Teslin CARS 176 180 98% 144 160 90% 11 31 NSS
The Pas CWO 683 815 84% 744 850 87% 81 160 50%
Thompson ATS 813 883 92% 946 970 98% 29 39 NSS
Tofino CWO 243 310 78% 249 323 77% 34 87 39%
Tuktoyaktuk CARS 360 418 86% 386 438 88% 25 45 NSS
Vancouver CWO 1291 1500 86% 1672 1710 98% 24 49 NSS
Victoria CWO 721 903 80% 941 1019 92% 50 91 55%
Victoria Harbour ATS 377 438 86% 393 445 88% 28 53 53%
Watson Lake CARS 742 901 82% 862 972 89% 40 74 54%
Whitecourt ATS 138 179 77% 171 198 86% 20 44 NSS
Whitehorse ATS 793 877 90% 865 908 95% 31 46 NSS
Williams Lake ATS 748 885 84% 760 890 85% 88 180 49%
Winnipeg ATS/AA 842 955 88% 1052 1097 96% 31 55 NSS
Yellowknife ATS 804 880 91% 899 957 94% 26 51 51%
Yorkton CWO 548 687 80% 633 742 85% 50 114 44%
*Note: NSS stands for Not Statistically Significant