FPCN39 CWLW 011430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 1 DECEMBER 2000 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 42/FAIR 455 20 76/GOOD 567 22 25/POOR 509 8 KAMLOOPS 45/FAIR 705 16 55/GOOD 689 20 16/POOR 474 7 OKANAGAN 45/FAIR 770 16 55/GOOD 921 20 15/POOR 485 21 CASTLEGAR 23/POOR 655 15 44/FAIR 901 14 14/POOR 557 11 CRANBROOK 16/POOR 1069 8 39/FAIR 1342 12 21/POOR 1074 15 REVELSTOKE 45/FAIR 837 12 50/FAIR 831 15 16/POOR 567 11 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 11 S 20 SW 46 CRANBROOK SW 13 W 44 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 40/FAIR 897 22 45/FAIR 958 25 12/POOR 563 2 100 MILE 40/FAIR 1324 28 45/FAIR 1377 25 27/POOR 1143 14 WILLIAMS LK 40/FAIR 1302 27 45/FAIR 1376 25 13/POOR 985 9 PUNTZI MNT 21/POOR 981 31 94/GOOD 1241 36 45/FAIR 1294 20 PR. GEORGE 16/POOR 728 39 13/POOR 703 37 13/POOR 722 20 BURNS LAKE 29/POOR 833 36 80/GOOD 1032 41 45/FAIR 930 24 SMITHERS 42/FAIR 709 32 80/GOOD 1053 31 45/FAIR 947 23 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 69 SW 89 SMITHERS S 80 SW126 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 21/POOR 476 25 15/POOR 426 29 13/POOR 394 15 FT STJOHN 15/POOR 735 21 12/POOR 706 36 13/POOR 706 34 WHITEHORSE 31/POOR 866 23 12/POOR 719 17 24/POOR 879 5 DAWSON 12/POOR 401 7 16/POOR 437 12 56/GOOD 844 9 WATSON LAKE 20/POOR 806 13 14/POOR 718 32 12/POOR 703 8 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 57 S 119 WATSON LAKE S 54 SW 78 WHITEHORSE SW 20 SW 59 MAYO SE 13 S 26 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 40/FAIR 121 37 13/POOR 12 38 12/POOR 37 5 FRASER VLY 13/POOR 73 26 12/POOR 67 28 12/POOR 76 8 SRN VRISL 36/FAIR 136 36 13/POOR 33 23 13/POOR 79 5 CNTRL VRISL 45/FAIR 200 33 13/POOR 54 18 16/POOR 378 4 NRN VRISL 48/FAIR 163 59 16/POOR 59 30 12/POOR 51 10 TERRACE 40/FAIR 396 27 70/GOOD 529 32 45/FAIR 562 16 STEWART 16/POOR 71 27 70/GOOD 556 31 45/FAIR 568 17 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 35 SW 50 SW 65 SANDSPIT SW 85 SW 91 SW 85 PORT HARDY S 55 SW 67 SW 65 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC