FPCN39 CWLW 231430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 23 FEBRUARY 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 14/POOR 281 15 50/FAIR 1075 12 87/GOOD 1276 7 KAMLOOPS 22/POOR 487 16 53/FAIR 1077 4 43/FAIR 1150 7 OKANAGAN 24/POOR 601 14 50/FAIR 1092 10 100/GOOD 1582 5 CASTLEGAR 16/POOR 600 8 50/FAIR 1138 12 100/GOOD 1949 10 CRANBROOK 14/POOR 1012 14 50/FAIR 2239 15 100/GOOD 2491 18 REVELSTOKE 15/POOR 524 10 48/FAIR 803 10 100/GOOD 1880 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 19 W 41 CRANBROOK W 13 W 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 40/FAIR 793 10 97/GOOD 1355 16 70/GOOD 1423 11 100 MILE 18/POOR 1036 20 100/GOOD 1919 14 80/GOOD 1773 12 WILLIAMS LK 14/POOR 998 14 91/GOOD 1704 15 72/GOOD 1801 9 PUNTZI MNT 16/POOR 968 20 67/GOOD 1822 14 56/GOOD 1731 11 PR. GEORGE 31/POOR 848 25 65/GOOD 1276 15 89/GOOD 1907 12 BURNS LAKE 92/GOOD 1337 17 52/FAIR 1015 11 81/GOOD 1679 11 SMITHERS 16/POOR 608 15 79/GOOD 1422 9 73/GOOD 1321 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE N 17 NW 20 SMITHERS 0 0 NW 33 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 12/POOR 411 17 58/GOOD 1433 9 53/FAIR 1046 10 FT STJOHN 96/GOOD 1249 27 64/GOOD 1652 6 80/GOOD 1440 13 WHITEHORSE 15/POOR 762 17 55/GOOD 1192 14 42/FAIR 1164 7 DAWSON 12/POOR 387 7 19/POOR 549 5 26/POOR 578 8 WATSON LAKE 15/POOR 752 6 64/GOOD 1714 3 51/FAIR 1035 13 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE N 17 N 39 WATSON LAKE N 17 NW 33 WHITEHORSE NW 26 NW 52 MAYO N 20 N 37 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 14/POOR 116 4 25/POOR 320 6 90/GOOD 848 15 FRASER VLY 18/POOR 218 12 34/FAIR 427 15 85/GOOD 1065 11 SRN VRISL 19/POOR 125 16 44/FAIR 369 18 59/GOOD 1028 3 CNTRL VRISL 15/POOR 128 18 48/FAIR 692 5 65/GOOD 934 8 NRN VRISL 26/POOR 219 14 64/GOOD 711 17 97/GOOD 1055 16 TERRACE 35/FAIR 455 16 52/FAIR 1110 6 45/FAIR 875 7 STEWART 43/FAIR 251 24 18/POOR 112 17 22/POOR 159 14 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 18 W 31 W 41 SANDSPIT N 31 N 41 N 54 PORT HARDY NW 14 NW 19 NW 24 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/