FPCN39 CWLW 241430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 24 DECEMBER 2000 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 26/POOR 662 10 27/POOR 499 12 15/POOR 514 4 KAMLOOPS 21/POOR 498 17 27/POOR 551 18 16/POOR 617 5 OKANAGAN 25/POOR 583 19 45/FAIR 675 15 24/POOR 734 11 CASTLEGAR 23/POOR 676 7 28/POOR 806 13 38/POOR 799 17 CRANBROOK 12/POOR 994 3 29/POOR 1346 15 32/POOR 1256 15 REVELSTOKE 22/POOR 619 12 26/POOR 748 12 23/POOR 683 12 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 12 NW 16 CRANBROOK 0 0 W 17 W 20 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 49/FAIR 775 26 51/FAIR 854 23 22/POOR 736 18 100 MILE 36/FAIR 1124 23 43/FAIR 1212 22 22/POOR 1170 13 WILLIAMS LK 37/FAIR 1126 23 34/FAIR 983 22 16/POOR 1094 11 PUNTZI MNT 27/POOR 888 12 17/POOR 1018 14 24/POOR 1234 6 PR. GEORGE 13/POOR 726 19 30/POOR 937 8 19/POOR 878 10 BURNS LAKE 29/POOR 916 14 17/POOR 819 13 11/POOR 665 12 SMITHERS 35/POOR 777 16 18/POOR 514 14 18/POOR 645 17 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 10 W 21 W 29 SMITHERS SW 30 S 32 S 39 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 18/POOR 514 8 13/POOR 415 22 14/POOR 471 14 FT STJOHN 15/POOR 766 13 13/POOR 722 6 12/POOR 828 6 WHITEHORSE 12/POOR 716 3 12/POOR 719 17 26/POOR 756 29 DAWSON 18/POOR 592 12 17/POOR 428 27 20/POOR 436 31 WATSON LAKE 12/POOR 700 6 12/POOR 703 6 22/POOR 657 5 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 32 SW 35 SW 33 WATSON LAKE S 20 SW 29 SW 30 WHITEHORSE SE 15 S 29 2 23 MAYO SE 22 SW 10 W 22 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 12/POOR 43 28 26/POOR 121 31 18/POOR 145 5 FRASER VLY 12/POOR 69 23 12/POOR 62 18 18/POOR 226 5 SRN VRISL 29/POOR 166 27 16/POOR 64 28 27/POOR 274 1 CNTRL VRISL 19/POOR 94 22 57/FAIR 491 46 20/POOR 366 3 NRN VRISL 25/POOR 112 36 43/FAIR 573 57 26/POOR 184 21 TERRACE 12/POOR 130 13 47/FAIR 383 34 26/POOR 363 18 STEWART 22/POOR 119 19 13/POOR 48 18 13/POOR 48 20 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 20 W 18 SW 12 SANDSPIT S 56 S 50 SW 44 PORT HARDY SW 26 SW 22 W 25 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/