FPCN39 CWLW 071430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 7 JANUARY 2001 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 17/POOR 300 21 36/FAIR 458 21 43/FAIR 459 18 KAMLOOPS 21/POOR 447 22 38/FAIR 570 28 42/FAIR 557 22 OKANAGAN 31/POOR 577 29 45/FAIR 637 32 47/FAIR 689 23 CASTLEGAR 18/POOR 577 19 37/FAIR 772 20 43/FAIR 731 15 CRANBROOK 12/POOR 988 9 24/POOR 1217 10 50/FAIR 1164 16 REVELSTOKE 19/POOR 533 23 31/POOR 642 24 42/FAIR 651 16 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 14 S 37 S 69 CRANBROOK 0 0 S 30 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 57/GOOD 758 38 17/POOR 581 41 47/FAIR 843 8 100 MILE 45/FAIR 1118 36 39/FAIR 1094 40 48/FAIR 1109 22 WILLIAMS LK 44/FAIR 1124 33 29/POOR 1047 36 43/FAIR 972 15 PUNTZI MNT 19/POOR 981 22 23/POOR 1027 26 47/FAIR 1087 19 PR. GEORGE 29/POOR 803 34 14/POOR 717 37 43/FAIR 909 16 BURNS LAKE 30/POOR 850 29 15/POOR 752 32 44/FAIR 949 20 SMITHERS 42/FAIR 719 28 14/POOR 554 31 43/FAIR 761 21 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 72 S 69 SMITHERS S 67 S 107 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 13/POOR 403 20 12/POOR 392 34 12/POOR 394 23 FT STJOHN 13/POOR 714 22 13/POOR 723 20 15/POOR 732 32 WHITEHORSE 15/POOR 732 38 13/POOR 713 37 12/POOR 713 34 DAWSON 23/POOR 446 40 14/POOR 386 50 12/POOR 380 31 WATSON LAKE 13/POOR 706 20 12/POOR 697 34 13/POOR 712 23 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 54 S 111 WATSON LAKE S 67 S 96 WHITEHORSE S 57 S 109 MAYO S 54 S 80 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 18/POOR 46 44 13/POOR 16 30 43/FAIR 89 21 FRASER VLY 16/POOR 107 31 13/POOR 80 25 43/FAIR 83 20 SRN VRISL 15/POOR 50 32 13/POOR 29 36 42/FAIR 88 19 CNTRL VRISL 16/POOR 63 36 13/POOR 51 30 72/GOOD 489 17 NRN VRISL 16/POOR 47 52 14/POOR 37 56 42/FAIR 127 24 TERRACE 15/POOR 265 26 13/POOR 245 23 43/FAIR 446 20 STEWART 17/POOR 76 28 13/POOR 43 28 43/FAIR 129 15 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 44 S 61 S 70 SANDSPIT S 90 S 83 S 67 PORT HARDY SE 85 S 113 S 113 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC