FPCN39 CWLW 201430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SATURDAY 20 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 35/FAIR 464 18 50/FAIR 817 14 28/POOR 623 4 KAMLOOPS 14/POOR 389 23 50/FAIR 809 23 34/FAIR 793 10 OKANAGAN 50/FAIR 685 18 58/GOOD 994 26 23/POOR 724 10 CASTLEGAR 31/POOR 803 5 53/FAIR 961 15 17/POOR 648 5 CRANBROOK 13/POOR 1001 9 58/GOOD 1476 11 23/POOR 1119 11 REVELSTOKE 19/POOR 598 9 50/FAIR 988 15 17/POOR 710 7 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 12 S 28 SW 50 CRANBROOK SW 11 SW 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 27/POOR 660 27 50/FAIR 940 29 22/POOR 806 15 100 MILE 19/POOR 1008 30 50/FAIR 400 29 20/POOR 1378 3 WILLIAMS LK 19/POOR 1012 26 50/FAIR 300 29 19/POOR 1298 10 PUNTZI MNT 14/POOR 945 17 50/FAIR 400 15 32/POOR 1339 7 PR. GEORGE 25/POOR 798 25 51/FAIR 921 27 20/POOR 874 14 BURNS LAKE 16/POOR 768 21 50/FAIR 833 21 26/POOR 925 19 SMITHERS 17/POOR 600 23 16/POOR 592 17 52/FAIR 948 18 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 43 SW 35 SMITHERS SW 41 SW 54 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 404 23 13/POOR 432 15 14/POOR 421 26 FT STJOHN 20/POOR 778 28 23/POOR 884 16 25/POOR 816 29 WHITEHORSE 16/POOR 756 22 13/POOR 723 22 17/POOR 756 33 DAWSON 13/POOR 388 7 13/POOR 388 31 13/POOR 393 28 WATSON LAKE 12/POOR 704 8 14/POOR 740 9 12/POOR 701 17 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 24 SW 37 WATSON LAKE S 19 SW 30 WHITEHORSE SE 30 SE 33 MAYO S 22 S 20 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 94/GOOD 333 34 50/FAIR 300 33 23/POOR 194 17 FRASER VLY 14/POOR 98 22 15/POOR 99 20 30/POOR 429 8 SRN VRISL 41/FAIR 178 32 50/FAIR 300 32 28/POOR 172 12 CNTRL VRISL 73/GOOD 343 27 50/FAIR 300 26 48/FAIR 384 14 NRN VRISL 18/POOR 58 45 60/GOOD 500 22 38/FAIR 504 14 TERRACE 23/POOR 350 21 17/POOR 300 15 15/POOR 270 21 STEWART 53/FAIR 311 19 12/POOR 44 17 13/POOR 36 25 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 35 S 39 S 30 SANDSPIT SW 48 SW 52 SW 50 PORT HARDY S 29 SW 37 SW 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/CC/MTNWC