FPCN39 CWLW 221430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 22 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 311 6 54/FAIR 959 7 50/FAIR 817 11 KAMLOOPS 13/POOR 395 4 42/FAIR 986 4 50/FAIR 967 17 OKANAGAN 20/POOR 581 12 32/POOR 1144 6 52/FAIR 878 12 CASTLEGAR 20/POOR 641 11 29/POOR 1073 2 50/FAIR 869 13 CRANBROOK 18/POOR 1060 10 32/POOR 1613 6 50/FAIR 880 16 REVELSTOKE 15/POOR 512 11 48/FAIR 1305 6 51/FAIR 842 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 9 NW 19 CRANBROOK 0 0 W 17 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 16/POOR 599 16 53/FAIR 1194 5 60/GOOD 894 20 100 MILE 16/POOR 1005 15 44/FAIR 1352 8 94/GOOD 1570 22 WILLIAMS LK 16/POOR 1015 11 47/FAIR 1187 4 100/GOOD 1771 21 PUNTZI MNT 15/POOR 962 9 50/FAIR 1259 17 69/GOOD 1502 17 PR. GEORGE 16/POOR 756 10 39/FAIR 1209 7 56/GOOD 950 19 BURNS LAKE 12/POOR 752 7 53/FAIR 1246 9 64/GOOD 1058 13 SMITHERS 13/POOR 585 12 54/FAIR 1122 9 83/GOOD 1447 11 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 26 W 43 SMITHERS NW 19 W 35 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 406 3 80/GOOD 954 33 50/FAIR 968 17 FT STJOHN 12/POOR 720 7 89/GOOD 1339 24 50/FAIR 1147 19 WHITEHORSE 49/FAIR 958 24 58/GOOD 1061 18 35/FAIR 1153 8 DAWSON 12/POOR 386 18 13/POOR 476 2 20/POOR 499 11 WATSON LAKE 14/POOR 723 20 100/GOOD 1385 23 36/FAIR 1336 4 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE N 31 N 54 WATSON LAKE N 33 N 44 WHITEHORSE N 35 N 65 MAYO N 19 NW 52 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 16/POOR 116 7 53/FAIR 516 17 50/FAIR 323 17 FRASER VLY 16/POOR 183 12 49/FAIR 745 9 54/FAIR 639 17 SRN VRISL 28/POOR 223 9 52/FAIR 552 13 54/FAIR 648 18 CNTRL VRISL 14/POOR 128 6 38/FAIR 348 13 53/FAIR 573 11 NRN VRISL 16/POOR 87 9 43/FAIR 570 12 50/FAIR 640 20 TERRACE 14/POOR 286 4 36/FAIR 898 4 60/GOOD 1090 22 STEWART 13/POOR 48 8 24/POOR 158 18 24/POOR 144 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 14 NW 20 NW 20 SANDSPIT NW 16 W 24 W 39 PORT HARDY W 11 W 19 NW 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/