FPCN39 CWLW 041430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 4 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 39/FAIR 544 11 96/GOOD 651 20 71/GOOD 829 11 KAMLOOPS 18/POOR 456 12 81/GOOD 734 25 14/POOR 380 22 OKANAGAN 51/FAIR 744 19 70/GOOD 775 21 42/FAIR 671 18 CASTLEGAR 25/POOR 720 11 64/GOOD 946 17 100/GOOD 1315 15 CRANBROOK 18/POOR 1087 9 38/FAIR 1192 15 100/GOOD 2006 19 REVELSTOKE 21/POOR 586 14 26/POOR 624 16 42/FAIR 783 12 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 12 W 39 W 83 CRANBROOK W 24 W 78 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 17/POOR 633 15 18/POOR 814 2 100/GOOD 1371 17 100 MILE 20/POOR 1048 16 17/POOR 1027 13 84/GOOD 1424 22 WILLIAMS LK 18/POOR 1041 12 16/POOR 1021 12 100/GOOD 1877 19 PUNTZI MNT 30/POOR 1093 19 64/GOOD 1412 3 73/GOOD 1638 11 PR. GEORGE 13/POOR 725 5 29/POOR 1000 9 72/GOOD 1561 14 BURNS LAKE 13/POOR 754 14 65/GOOD 1196 15 33/POOR 1133 8 SMITHERS 18/POOR 642 13 59/GOOD 1009 13 21/POOR 948 3 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 W 30 SMITHERS NE 19 NE 11 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 14/POOR 422 32 100/GOOD 1016 19 100/GOOD 1102 27 FT STJOHN 27/POOR 836 30 66/GOOD 1515 13 100/GOOD 1603 21 WHITEHORSE 13/POOR 736 12 21/POOR 847 16 15/POOR 760 23 DAWSON 14/POOR 402 21 16/POOR 427 19 12/POOR 392 14 WATSON LAKE 13/POOR 724 22 13/POOR 761 7 56/GOOD 943 24 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 9 NW 17 WATSON LAKE NW 30 NW 35 WHITEHORSE W 24 W 24 MAYO W 37 W 61 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 100/GOOD 538 30 97/GOOD 567 37 100/GOOD 967 32 FRASER VLY 69/GOOD 476 15 96/GOOD 500 30 50/FAIR 583 15 SRN VRISL 86/GOOD 505 22 95/GOOD 421 37 64/GOOD 408 20 CNTRL VRISL 89/GOOD 516 22 98/GOOD 416 27 100/GOOD 956 27 NRN VRISL 45/FAIR 167 42 69/GOOD 433 29 100/GOOD 1101 29 TERRACE 23/POOR 373 15 65/GOOD 743 12 27/POOR 677 4 STEWART 18/POOR 98 5 20/POOR 127 17 13/POOR 89 8 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 48 SW 69 W 72 SANDSPIT NW 53 NW 54 NW 41 PORT HARDY NW 35 W 43 NW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/