FPCN39 CWLW 191430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 19 JANUARY 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 17/POOR 316 18 96/GOOD 950 13 34/FAIR 420 16 KAMLOOPS 22/POOR 462 14 100/GOOD 1084 15 45/FAIR 576 20 OKANAGAN 49/FAIR 710 23 90/GOOD 1084 12 100/GOOD 938 27 CASTLEGAR 23/POOR 728 8 17/POOR 603 7 40/FAIR 822 15 CRANBROOK 18/POOR 1097 7 26/POOR 1132 13 35/FAIR 1350 12 REVELSTOKE 29/POOR 670 14 14/POOR 519 11 56/GOOD 853 17 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 19 W 39 CRANBROOK W 15 W 43 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 597 25 26/POOR 758 19 97/GOOD 961 25 100 MILE 17/POOR 1004 24 72/GOOD 1447 19 42/FAIR 1104 25 WILLIAMS LK 14/POOR 974 24 22/POOR 1134 17 16/POOR 987 23 PUNTZI MNT 13/POOR 934 19 100/GOOD 1547 19 47/FAIR 1230 3 PR. GEORGE 14/POOR 737 29 26/POOR 897 23 79/GOOD 1065 26 BURNS LAKE 14/POOR 752 25 23/POOR 844 18 34/FAIR 924 21 SMITHERS 14/POOR 570 21 22/POOR 697 14 18/POOR 622 18 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 35 W 41 SMITHERS S 30 SW 54 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 407 7 14/POOR 433 30 13/POOR 427 17 FT STJOHN 14/POOR 729 28 36/FAIR 858 34 14/POOR 739 17 WHITEHORSE 14/POOR 733 23 12/POOR 712 24 17/POOR 757 28 DAWSON 14/POOR 395 34 13/POOR 379 27 13/POOR 387 32 WATSON LAKE 12/POOR 708 2 12/POOR 698 20 14/POOR 739 11 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 26 SW 41 WATSON LAKE W 39 W 28 WHITEHORSE S 37 SW 54 MAYO S 43 SW 37 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 18/POOR 64 20 13/POOR 25 17 15/POOR 31 33 FRASER VLY 14/POOR 96 24 16/POOR 138 18 13/POOR 75 24 SRN VRISL 14/POOR 53 20 13/POOR 41 12 20/POOR 90 19 CNTRL VRISL 15/POOR 72 18 57/GOOD 440 13 13/POOR 61 16 NRN VRISL 32/POOR 191 23 16/POOR 60 27 22/POOR 126 8 TERRACE 14/POOR 277 14 22/POOR 364 15 14/POOR 261 15 STEWART 20/POOR 143 14 34/FAIR 247 15 13/POOR 42 19 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 24 W 26 SW 31 SANDSPIT S 62 S 67 S 61 PORT HARDY S 40 S 46 SW 56 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC