TAF performance measurement results for TAFs issued during February 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 669 726 92% 740 789 94% 39 84 46%
Bathurst CWO 410 454 90% 421 460 91% 36 129 28%
Big Trout Lake AWOS 634 722 88% 675 735 92% 33 70 48%
Blanc Sablon CWO 713 760 94% 757 795 95% 26 65 40%
Buttonville CWO 731 817 89% 769 832 92% 62 114 55%
Cartwright CWO 650 723 90% 618 692 89% 56 196 28%
Chapleau CWO 324 365 89% 324 365 89% 13 67 19%
Charlottetown ATS 574 721 80% 686 834 82% 77 249 31%
Chibougamau-Chapais CWO 307 364 84% 326 382 85% 18 55 32%
Churchill Falls AWOS 603 690 87% 650 711 91% 51 89 58%
Deer Lake ATS 624 744 84% 788 861 91% 70 146 48%
Dorval CWO 1234 1382 89% 1492 1539 97% 28 57 49%
Dryden NCA 581 659 88% 657 693 95% 13 34 NSS
Earlton CWO 316 345 92% 338 361 94% 8 20 NSS
Fredericton NCA 612 641 95% 649 686 95% 42 135 31%
Gander CWO 527 600 88% 729 799 91% 65 136 48%
Gaspé CWO 599 668 90% 603 681 89% 30 144 21%
Gatineau ATS 330 347 95% 337 350 96% 34 59 NSS
Geraldton CWO 612 701 87% 656 739 89% 44 161 27%
Gore Bay NCA 352 370 95% 367 383 96% 22 31 NSS
Halifax ATS 993 1283 77% 1406 1577 89% 63 224 28%
Hamilton CWO 693 801 86% 797 880 91% 54 135 40%
Havre St Pierre NCA 698 748 93% 759 788 96% 32 54 NSS
Îles de la Madeleine ATS 387 423 92% 434 467 93% 53 133 40%
Inukjuak AWOS/CARS 493 683 72% 574 710 81% 140 308 45%
Ivujivik CARS 143 170 84% 150 176 86% 8 14 NSS
Kapuskasing CWO 708 808 88% 765 839 91% 59 135 44%
Kenora ATS 684 799 86% 759 859 88% 42 102 41%
Kingston ATS 364 415 88% 411 444 92% 22 43 NSS
Kuujjuaq ATS 721 755 95% 806 807 100% 7 8 NSS
Kuujjuarapik CWO 691 760 91% 746 785 95% 83 126 66%
La Grande IV AWOS/CWO 167 196 85% 178 205 87% 9 19 NSS
La Grande Rivière ATS 656 746 88% 698 780 89% 66 120 55%
London ATS 704 808 87% 850 928 92% 54 139 39%
Marathon CWO 124 142 88% 124 142 88% 10 31 NSS
Mary's Harbour AWOS/CWO 441 482 92% 460 499 92% 41 124 33%
Mirabel ATS 649 714 91% 799 821 97% 37 59 NSS
Moncton CWO 577 672 86% 746 801 93% 47 121 39%
Mont-Joli ATS 687 789 87% 776 854 91% 76 171 44%
Moosonee NCA 347 390 89% 380 409 93% 18 33 NSS
Muskoka NCA 341 394 86% 371 408 91% 26 58 NSS
Nain CWO 349 370 94% 327 349 94% 8 38 NSS
Natashquan AWOS 655 730 90% 723 779 93% 46 80 58%
North Bay CWO 618 780 79% 759 892 85% 52 146 36%
Ottawa CWO 1308 1385 94% 1498 1515 99% 24 39 NSS
Peterborough NCA 476 516 92% 491 520 94% 26 48 NSS
Pickle Lake CWO 346 373 93% 372 394 94% 18 37 NSS
Puvirnituq CARS 138 155 89% 153 170 90% 3 10 NSS
Quaqtaq CARS 138 148 94% 142 148 96% 6 12 NSS
Quebec City ATS 642 742 87% 691 790 87% 44 162 27%
Red Lake CWO 451 537 84% 479 549 87% 30 78 38%
Roberval CWO 338 362 94% 355 375 95% 3 36 NSS
Rouyn-Noranda ATS 647 711 91% 689 758 91% 53 133 40%
Sable Island AWOS 347 406 86% 461 499 92% 54 92 59%
Saint John ATS 627 698 90% 796 837 95% 48 100 48%
Sarnia NCA 335 367 91% 366 387 95% 10 22 NSS
Sault Ste Marie ATS 702 797 88% 788 860 92% 41 99 41%
Schefferville AWOS 652 730 89% 753 792 95% 44 63 NSS
Sept-Îles ATS 693 722 96% 733 752 97% 18 50 NSS
Sherbrooke NCA 331 385 86% 372 420 89% 36 91 40%
Sioux Lookout ATS 686 768 89% 741 791 94% 41 92 44%
St Anthony NCA 514 693 74% 579 741 78% 67 213 31%
St Catharines ATS 328 369 89% 362 394 92% 18 38 NSS
St Hubert NCA 711 814 87% 791 871 91% 39 113 35%
St John's CWO 543 638 85% 777 849 92% 47 166 28%
Stephenville CWO 596 660 90% 717 764 94% 93 164 56%
Sudbury CWO 650 753 86% 763 826 92% 21 97 22%
Sydney CWO 586 657 89% 716 771 93% 71 178 40%
Tasiujaq CARS 123 139 88% 123 140 88% 5 8 NSS
Thunder Bay ATS/AA 687 718 96% 726 756 96% 10 36 NSS
Timmins ATS 667 769 87% 786 860 91% 35 71 50%
Toronto City Centre NCA 739 801 92% 824 855 96% 49 84 NSS
Toronto LBPI CWO 1380 1439 96% 1541 1555 99% 16 35 NSS
Val-d'Or AWOS/ATS 647 745 87% 770 842 92% 22 85 26%
Wabush ATS 704 751 94% 793 805 99% 13 17 NSS
Waskaganish CARS 93 94 99% 96 96 99% 5 6 NSS
Waterloo/Wellington NCA 445 524 85% 517 577 90% 24 48 50%
Wawa CWO 183 210 87% 175 201 87% 22 52 NSS
Wiarton CWO 296 348 85% 312 358 87% 32 53 NSS
Windsor CWO 717 784 91% 792 858 92% 42 133 32%
Yarmouth CWO 697 784 89% 786 859 92% 71 188 38%
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 730 787 93% 770 812 95% 10 21 NSS
Arctic Bay AWS 114 120 95% 120 120 100% 0 0 NSS
Arviat AWOS/CARS 499 618 81% 524 627 83% 87 350 25%
Baker Lake CARS 576 674 86% 611 691 88% 79 238 33%
Bella Bella AWOS 274 361 76% 242 355 68% 35 105 33%
Brandon ATS 763 806 95% 785 817 96% 28 41 NSS
Buffalo Narrows CWO 347 392 89% 370 396 93% 17 31 NSS
Burwash AWOS/CARS 629 720 87% 561 673 83% 46 144 32%
Calgary Intl CWO 1314 1381 95% 1457 1494 98% 23 45 NSS
Cambridge Bay CARS 533 699 76% 672 807 83% 121 252 48%
Campbell River ATS 321 370 87% 369 406 91% 26 45 NSS
Cape Dorset AWOS/CARS 530 703 75% 544 707 77% 113 275 41%
Castlegar ATS 329 337 98% 300 316 95% 38 61 NSS
Churchill ATS/AA 735 791 93% 800 855 94% 39 117 33%
Clyde River AWOS/CARS 629 686 92% 629 686 92% 56 162 34%
Coral Harbour CARS 670 720 93% 676 724 93% 60 101 59%
Cranbrook ATS 695 727 96% 735 743 99% 18 20 NSS
Dauphin NCA 728 817 89% 772 840 92% 48 83 58%
Dawson City CARS 305 320 95% 305 320 95% 15 21 NSS
Dawson Creek NCA 354 404 87% 354 404 87% 17 37 NSS
Deline CARS 261 295 88% 261 295 88% 20 28 NSS
Edmonton Intl CWO 1311 1374 95% 1446 1459 99% 33 38 NSS
Edmonton Muni AWOS 727 799 91% 794 836 95% 44 75 NSS
Eureka CWO 358 379 95% 358 379 95% 14 18 NSS
Faro CARS 164 167 98% 156 160 97% 13 17 NSS
Fort Chipewyan AWOS 166 205 81% 176 209 84% 23 37 NSS
Fort Good Hope CARS 232 287 81% 232 287 81% 13 25 NSS
Fort McMurray AWOS 760 874 87% 849 928 91% 43 80 54%
Fort McPherson CARS 117 123 94% 117 123 94% 6 9 NSS
Fort Nelson ATS 712 773 92% 787 817 96% 17 25 NSS
Fort Simpson CARS 722 837 86% 780 878 89% 40 67 60%
Fort Smith CARS 697 751 93% 751 795 94% 32 55 NSS
Fort St John ATS 664 711 93% 707 740 96% 14 25 NSS
Gillam CWO 665 714 93% 758 768 99% 19 22 NSS
Gjoa Haven AWOS/CARS 520 700 74% 546 715 76% 96 277 35%
Grande Prairie ATS 720 763 94% 790 806 98% 31 37 NSS
Hall Beach AWOS/CARS 612 674 91% 634 689 92% 56 126 44%
Hay River CARS 705 736 96% 747 761 98% 11 14 NSS
High Level ATS 671 704 95% 712 750 95% 32 51 NSS
Holman CARS 184 205 90% 187 208 90% 18 41 NSS
Igloolik CARS 227 246 92% 227 246 92% 2 11 NSS
Inuvik ATS/AA 728 845 86% 801 888 90% 24 93 26%
Iqaluit ATS/AA 691 720 96% 714 752 95% 11 30 NSS
Island Lake CWO 694 730 95% 731 754 97% 12 27 NSS
Kamloops ATS 810 821 99% 763 803 95% 15 27 NSS
Kelowna NCA 741 769 96% 741 769 96% 22 31 NSS
Kugaaruk CARS 133 151 88% 133 151 88% 3 18 NSS
Kugluktuk CARS 663 791 84% 680 810 84% 119 258 46%
La Ronge ATS 737 776 95% 764 792 96% 30 49 NSS
Lethbridge ATS/AWOS 750 839 89% 826 900 92% 33 62 54%
Lloydminster ATS/NCA 684 754 91% 699 763 92% 49 94 52%
Lutselk'e CARS 251 255 99% 251 255 99% 6 7 NSS
Lynn Lake NCA 706 792 89% 736 812 91% 45 83 55%
Mackenzie NCA 473 506 93% 473 506 93% 28 46 NSS
Masset CWO 281 321 88% 312 337 93% 15 40 NSS
Mayo CARS 683 713 96% 676 710 95% 13 29 NSS
Medicine Hat ATS/NCA 726 806 90% 773 832 93% 47 88 53%
Nanaimo ATS 328 360 91% 335 363 92% 13 29 NSS
Norman Wells ATS 694 744 93% 694 744 93% 62 102 60%
North Battleford NCA 747 795 94% 767 809 95% 48 72 NSS
Norway House NCA 755 837 90% 778 843 92% 53 84 62%
Old Crow CARS 305 370 82% 305 370 82% 26 38 68%
Pangnirtung LWIS/CARS 119 130 92% 105 123 85% 3 13 NSS
Paulatuk CARS 117 127 92% 121 131 93% 4 22 NSS
Peace River ATS 697 721 97% 724 742 98% 15 26 NSS
Penticton ATS 735 752 98% 696 738 94% 18 40 NSS
Pond Inlet AWOS/CARS 675 749 90% 675 749 90% 72 110 66%
Port Hardy ATS 694 732 95% 751 759 99% 17 19 NSS
Prince Albert ATS 722 778 93% 776 823 94% 27 44 NSS
Prince George NCA 666 806 83% 724 855 85% 46 117 39%
Prince Rupert NCA 750 801 94% 824 850 97% 24 29 NSS
Qikiqtarjuaq AWOS/CARS 621 704 88% 577 669 86% 85 238 36%
Quesnel NCA 341 384 89% 341 384 89% 33 54 NSS
Rae Lake CARS 236 243 97% 238 245 97% 0 3 NSS
Rankin Inlet ATS 527 651 81% 609 727 84% 96 277 35%
Red Deer ATS 698 778 90% 778 833 93% 50 74 68%
Regina ATS/AA 774 835 93% 839 891 94% 21 47 45%
Repulse Bay CARS 99 99 100% 99 99 100% 3 13 NSS
Resolute CARS 621 723 86% 701 776 90% 47 86 54%
Sachs Harbour CARS 157 189 83% 167 194 86% 3 20 NSS
Sandspit NCA 779 830 94% 840 866 97% 41 50 NSS
Saskatoon ATS/AA 749 834 90% 825 897 92% 17 59 29%
Slave Lake AWOS 711 791 90% 733 800 92% 63 102 62%
Smithers ATS/NCA 349 388 90% 349 388 90% 27 46 NSS
Springbank CWO 352 365 96% 386 390 99% 19 23 NSS
Stony Rapids NCA 579 663 87% 615 679 91% 65 99 66%
Swift Current AWOS 329 462 71% 364 482 75% 33 107 31%
Taloyoak CARS 551 586 94% 555 586 95% 13 37 NSS
Terrace ATS 633 807 78% 803 938 86% 75 162 47%
Teslin CARS 161 168 96% 135 159 85% 7 14 NSS
The Pas CWO 688 812 85% 748 850 88% 37 93 40%
Thompson ATS 714 773 92% 771 807 96% 25 34 NSS
Tofino CWO 281 308 91% 293 321 91% 21 56 NSS
Tuktoyaktuk CARS 294 318 92% 301 325 93% 20 53 NSS
Vancouver CWO 1401 1459 96% 1488 1494 100% 3 4 NSS
Victoria CWO 753 794 95% 805 824 98% 9 15 NSS
Victoria Harbour ATS 346 362 96% 349 364 96% 4 13 NSS
Watson Lake CARS 747 792 94% 792 814 97% 14 16 NSS
Whitecourt ATS 157 164 96% 162 169 96% 6 11 NSS
Whitehorse ATS 755 780 97% 785 794 99% 11 15 NSS
Williams Lake ATS 716 771 93% 716 771 93% 42 73 58%
Winnipeg ATS/AA 778 830 94% 877 903 97% 10 24 NSS
Yellowknife ATS 698 760 92% 782 814 96% 16 26 NSS
Yorkton CWO 483 541 89% 516 562 92% 12 42 28%
*Note: NSS stands for Not Statistically Significant