FPCN39 CWLW 171430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 17 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 13/POOR 256 22 20/POOR 400 16 40/FAIR 771 20 KAMLOOPS 13/POOR 370 28 14/POOR 370 30 40/FAIR 793 25 OKANAGAN 14/POOR 462 24 13/POOR 443 25 36/FAIR 577 27 CASTLEGAR 15/POOR 545 25 20/POOR 400 24 36/FAIR 816 19 CRANBROOK 16/POOR 989 32 25/POOR 400 29 36/FAIR 1116 21 REVELSTOKE 13/POOR 479 23 13/POOR 468 22 15/POOR 508 18 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 NW 39 NW 57 CRANBROOK NW 24 NW 69 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 15/POOR 582 33 40/FAIR 579 23 18/POOR 593 29 100 MILE 14/POOR 971 32 40/FAIR 963 33 35/FAIR 1091 27 WILLIAMS LK 15/POOR 680 31 40/FAIR 992 26 29/POOR 1063 31 PUNTZI MNT 13/POOR 932 37 40/FAIR 1330 22 35/FAIR 1042 33 PR. GEORGE 14/POOR 730 36 40/FAIR 815 21 17/POOR 730 32 BURNS LAKE 34/POOR 841 42 40/FAIR 762 23 23/POOR 801 38 SMITHERS 34/POOR 764 37 40/FAIR 565 19 16/POOR 574 34 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 52 NW 67 SMITHERS SW 41 W 48 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 13/POOR 403 20 12/POOR 409 11 13/POOR 405 30 FT STJOHN 15/POOR 747 18 14/POOR 760 8 13/POOR 708 47 WHITEHORSE 17/POOR 780 15 18/POOR 764 33 18/POOR 760 41 DAWSON 14/POOR 401 19 21/POOR 436 38 13/POOR 394 17 WATSON LAKE 12/POOR 704 7 13/POOR 723 11 13/POOR 709 24 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 41 W 63 WATSON LAKE W 52 W 67 WHITEHORSE S 57 SW 87 MAYO S 30 SW 46 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 46/FAIR 161 49 71/GOOD 346 24 19/POOR 46 16 FRASER VLY 19/POOR 135 31 60/GOOD 402 19 14/POOR 92 32 SRN VRISL 47/FAIR 193 36 42/FAIR 237 20 15/POOR 42 39 CNTRL VRISL 36/FAIR 162 36 89/GOOD 551 18 17/POOR 72 40 NRN VRISL 27/POOR 100 40 39/FAIR 335 19 77/GOOD 344 32 TERRACE 69/GOOD 587 22 16/POOR 294 18 12/POOR 226 22 STEWART 92/GOOD 436 24 15/POOR 81 19 12/POOR 22 32 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 25 NW 31 NW 44 SANDSPIT S 68 S 67 S 57 PORT HARDY S 25 SW 22 W 26 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/CC/MTNWC