FPCN39 CWLW 151430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 15 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 50/FAIR 711 15 100/GOOD 867 10 100/GOOD 647 31 KAMLOOPS 100/GOOD 1056 32 100/GOOD 967 19 40/FAIR 382 16 OKANAGAN 100/GOOD 1496 19 100/GOOD 950 19 43/FAIR 595 37 CASTLEGAR 100/GOOD 1656 18 100/GOOD 1581 20 37/FAIR 719 20 CRANBROOK 100/GOOD 2124 21 100/GOOD 2164 25 21/POOR 1072 11 REVELSTOKE 100/GOOD 1605 12 100/GOOD 1150 15 31/POOR 624 21 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NW 12 NW 41 NW 78 CRANBROOK NW 17 NW 46 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 601 33 70/GOOD 1326 10 26/POOR 662 28 100 MILE 21/POOR 1041 37 100/GOOD 1469 16 23/POOR 1036 27 WILLIAMS LK 12/POOR 957 33 81/GOOD 1558 9 23/POOR 1059 21 PUNTZI MNT 28/POOR 1118 23 20/POOR 1295 6 14/POOR 958 11 PR. GEORGE 24/POOR 852 27 25/POOR 1203 7 13/POOR 714 26 BURNS LAKE 16/POOR 869 16 27/POOR 1021 11 17/POOR 803 11 SMITHERS 12/POOR 548 12 21/POOR 707 17 18/POOR 631 14 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 17 NW 46 SMITHERS 0 0 NW 31 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 395 11 12/POOR 413 11 15/POOR 502 6 FT STJOHN 14/POOR 747 17 18/POOR 845 17 17/POOR 765 21 WHITEHORSE 12/POOR 719 20 12/POOR 712 14 13/POOR 732 13 DAWSON 12/POOR 383 7 12/POOR 381 24 12/POOR 378 20 WATSON LAKE 12/POOR 711 14 12/POOR 706 4 12/POOR 706 15 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 11 NW 37 WATSON LAKE W 26 NW 33 WHITEHORSE W 24 NW 35 MAYO 0 0 NW 30 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 61/GOOD 713 69 100/GOOD 1292 14 27/POOR 85 39 FRASER VLY 42/FAIR 564 39 100/GOOD 844 11 51/FAIR 241 44 SRN VRISL 100/GOOD 1018 43 100/GOOD 929 11 33/POOR 97 37 CNTRL VRISL 100/GOOD 834 44 100/GOOD 561 8 47/FAIR 190 28 NRN VRISL 72/GOOD 500 44 72/GOOD 429 27 14/POOR 54 25 TERRACE 18/POOR 330 14 15/POOR 322 13 29/POOR 346 26 STEWART 14/POOR 72 17 13/POOR 52 20 22/POOR 145 19 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 9. NW 22 NW 67 SANDSPIT SE 44 SE 30 S 15 PORT HARDY SE 24 0 0 W 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO