FPCN39 CWLW 221430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 22 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 23/POOR 428 11 28/POOR 580 8 28/POOR 443 14 KAMLOOPS 19/POOR 447 16 28/POOR 631 11 34/FAIR 597 20 OKANAGAN 18/POOR 510 16 32/POOR 849 9 39/FAIR 726 18 CASTLEGAR 24/POOR 658 13 23/POOR 688 13 25/POOR 760 14 CRANBROOK 16/POOR 1034 8 24/POOR 1183 8 17/POOR 1251 6 REVELSTOKE 17/POOR 526 17 24/POOR 671 13 28/POOR 719 14 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 W 15 CRANBROOK 0 0 0 0 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 12/POOR 565 19 30/POOR 838 18 28/POOR 675 24 100 MILE 17/POOR 1011 23 33/POOR 1228 16 37/FAIR 1151 26 WILLIAMS LK 14/POOR 979 22 31/POOR 1214 17 29/POOR 1103 23 PUNTZI MNT 14/POOR 964 10 18/POOR 1120 10 15/POOR 979 17 PR. GEORGE 13/POOR 722 12 14/POOR 778 8 24/POOR 874 12 BURNS LAKE 30/POOR 967 19 32/POOR 1001 15 26/POOR 936 14 SMITHERS 32/POOR 823 21 31/POOR 831 17 32/POOR 774 16 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 20 S 17 SMITHERS S 20 S 22 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 17/POOR 446 20 13/POOR 408 28 12/POOR 459 3 FT STJOHN 23/POOR 890 14 25/POOR 920 15 14/POOR 771 12 WHITEHORSE 12/POOR 718 22 12/POOR 725 10 15/POOR 771 18 DAWSON 12/POOR 373 6 11/POOR 370 2 12/POOR 373 27 WATSON LAKE 12/POOR 699 4 12/POOR 698 4 12/POOR 713 3 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 22 S 31 WATSON LAKE S 28 S 43 WHITEHORSE SE 9 S 9 MAYO 0 0 0 0 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 51/FAIR 328 37 17/POOR 52 29 14/POOR 19 30 FRASER VLY 17/POOR 121 23 12/POOR 70 17 13/POOR 82 23 SRN VRISL 50/FAIR 477 38 21/POOR 135 11 13/POOR 31 18 CNTRL VRISL 52/FAIR 367 32 31/POOR 236 15 12/POOR 41 19 NRN VRISL 16/POOR 67 31 30/POOR 192 20 25/POOR 112 31 TERRACE 58/GOOD 464 17 56/FAIR 425 16 29/POOR 441 17 STEWART 52/FAIR 281 24 28/POOR 113 16 15/POOR 64 20 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 16 S 13 SW 13 SANDSPIT SE 31 S 30 S 28 PORT HARDY SE 24 SE 22 SE 19 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/