FPCN39 CWLW 111430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 11 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 22/POOR 382 13 30/POOR 602 6 34/FAIR 720 5 KAMLOOPS 28/POOR 512 20 41/FAIR 731 12 41/FAIR 728 7 OKANAGAN 22/POOR 549 22 50/FAIR 803 11 45/FAIR 1008 10 CASTLEGAR 21/POOR 600 24 38/FAIR 689 13 37/FAIR 921 13 CRANBROOK 13/POOR 980 9 48/FAIR 1327 15 54/FAIR 1409 15 REVELSTOKE 19/POOR 543 21 44/FAIR 750 16 27/POOR 847 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 11 SW 26 CRANBROOK S 15 S 44 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 13/POOR 582 11 35/FAIR 1067 9 30/POOR 979 11 100 MILE 28/POOR 1073 27 53/FAIR 1374 11 19/POOR 1391 5 WILLIAMS LK 15/POOR 988 21 36/FAIR 1418 5 19/POOR 1376 8 PUNTZI MNT 18/POOR 986 22 37/FAIR 1244 9 34/FAIR 1311 12 PR. GEORGE 13/POOR 744 4 35/FAIR 887 15 33/POOR 1118 10 BURNS LAKE 13/POOR 745 23 40/FAIR 1012 16 50/FAIR 1054 17 SMITHERS 14/POOR 567 14 49/FAIR 998 13 44/FAIR 830 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 11 S 13 SMITHERS NE 15 0 0 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 400 14 18/POOR 543 5 15/POOR 425 31 FT STJOHN 15/POOR 733 29 15/POOR 801 10 20/POOR 815 19 WHITEHORSE 12/POOR 726 13 12/POOR 718 19 17/POOR 754 30 DAWSON 12/POOR 389 10 18/POOR 440 23 21/POOR 435 37 WATSON LAKE 13/POOR 716 18 13/POOR 712 19 16/POOR 775 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 NW 28 WATSON LAKE NW 30 W 39 WHITEHORSE SW 13 W 13 MAYO SW 19 SW 26 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 20/POOR 79 33 42/FAIR 21 19 30/POOR 182 4 FRASER VLY 14/POOR 100 21 43/FAIR 99 15 40/FAIR 421 4 SRN VRISL 22/POOR 123 19 39/FAIR 114 12 22/POOR 230 8 CNTRL VRISL 17/POOR 94 22 36/FAIR 363 7 32/POOR 387 5 NRN VRISL 42/FAIR 255 20 50/FAIR 332 18 44/FAIR 400 14 TERRACE 15/POOR 277 13 32/POOR 475 14 17/POOR 298 15 STEWART 12/POOR 32 8 58/GOOD 783 17 21/POOR 126 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 16 SE 11 S 13 SANDSPIT N 20 N 30 N 37 PORT HARDY N 16 N 13 N 9 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/GF