FPCN39 CWLW 211430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 21 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 22/POOR 475 9 31/POOR 700 5 41/FAIR 511 16 KAMLOOPS 32/POOR 644 10 24/POOR 856 8 15/POOR 415 15 OKANAGAN 66/GOOD 820 19 30/POOR 400 9 58/GOOD 787 20 CASTLEGAR 26/POOR 681 15 20/POOR 772 3 21/POOR 684 10 CRANBROOK 15/POOR 1021 7 44/FAIR 1337 11 28/POOR 1200 10 REVELSTOKE 35/FAIR 734 12 31/POOR 906 6 13/POOR 494 13 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 13 CRANBROOK W 9 W 35 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 19/POOR 628 22 30/POOR 817 18 26/POOR 665 23 100 MILE 23/POOR 1070 17 23/POOR 1345 10 20/POOR 1016 23 WILLIAMS LK 13/POOR 977 16 21/POOR 1224 12 33/POOR 1116 21 PUNTZI MNT 15/POOR 970 14 78/GOOD 1655 11 64/GOOD 1193 18 PR. GEORGE 17/POOR 759 26 26/POOR 888 18 30/POOR 837 27 BURNS LAKE 19/POOR 799 19 62/GOOD 1115 18 25/POOR 829 22 SMITHERS 16/POOR 579 22 70/GOOD 962 16 22/POOR 648 19 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 24 W 33 SMITHERS SW 31 SW 31 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 411 10 15/POOR 428 32 13/POOR 405 24 FT STJOHN 19/POOR 752 38 60/GOOD 1000 28 13/POOR 721 26 WHITEHORSE 22/POOR 800 27 14/POOR 742 26 13/POOR 722 29 DAWSON 13/POOR 385 35 12/POOR 384 30 14/POOR 398 28 WATSON LAKE 12/POOR 711 6 12/POOR 708 16 14/POOR 720 21 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 26 SW 31 WATSON LAKE W 33 W 26 WHITEHORSE S 31 S 33 MAYO S 33 S 33 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 52/FAIR 482 18 39/FAIR 425 14 14/POOR 34 18 FRASER VLY 48/FAIR 477 8 20/POOR 225 8 16/POOR 127 17 SRN VRISL 45/FAIR 460 10 33/POOR 320 12 21/POOR 116 6 CNTRL VRISL 46/FAIR 433 13 37/FAIR 430 12 35/FAIR 266 8 NRN VRISL 20/POOR 109 18 35/FAIR 435 25 13/POOR 38 25 TERRACE 22/POOR 346 20 31/POOR 436 17 12/POOR 234 17 STEWART 21/POOR 189 15 13/POOR 48 19 18/POOR 66 20 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 18 SE 9 0 0 SANDSPIT S 79 S 74 S 65 PORT HARDY S 35 S 43 SW 44 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/