FPCN39 CWLW 211500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 21 JANUARY 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 16/POOR 324 15 32/POOR 552 8 27/POOR 770 0 KAMLOOPS 15/POOR 463 6 23/POOR 625 5 36/FAIR 782 10 OKANAGAN 21/POOR 627 9 12/POOR 459 10 40/FAIR 1027 7 CASTLEGAR 21/POOR 712 7 15/POOR 576 12 81/GOOD 1376 12 CRANBROOK 14/POOR 1011 8 27/POOR 1131 10 100/GOOD 1971 14 REVELSTOKE 19/POOR 610 12 22/POOR 714 9 30/POOR 977 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 9 W 22 CRANBROOK W 13 W 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 8 20/POOR 831 9 24/POOR 825 14 100 MILE 14/POOR 1000 12 14/POOR 1106 4 22/POOR 1266 2 WILLIAMS LK 13/POOR 984 1 14/POOR 1125 6 16/POOR 1200 6 PUNTZI MNT 12/POOR 942 7 17/POOR 1156 5 27/POOR 1327 4 PR. GEORGE 12/POOR 720 9 15/POOR 865 4 19/POOR 912 7 BURNS LAKE 12/POOR 730 6 17/POOR 843 11 15/POOR 861 5 SMITHERS 12/POOR 535 7 15/POOR 601 14 12/POOR 557 5 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 24 W 30 SMITHERS NE 9 N 17 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 405 28 13/POOR 401 12 13/POOR 431 25 FT STJOHN 14/POOR 732 15 35/FAIR 1051 19 14/POOR 746 32 WHITEHORSE 12/POOR 713 1 12/POOR 715 21 12/POOR 709 24 DAWSON 14/POOR 411 14 14/POOR 404 21 12/POOR 377 12 WATSON LAKE 13/POOR 715 22 13/POOR 743 7 12/POOR 702 18 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE N 15 N 28 WATSON LAKE N 26 NW 31 WHITEHORSE 0 0 NW 19 MAYO W 24 W 35 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 37/FAIR 226 23 21/POOR 127 18 29/POOR 283 12 FRASER VLY 26/POOR 215 22 32/POOR 328 11 19/POOR 325 6 SRN VRISL 16/POOR 73 18 26/POOR 230 13 28/POOR 363 7 CNTRL VRISL 35/FAIR 278 16 48/FAIR 620 13 25/POOR 309 9 NRN VRISL 18/POOR 93 23 20/POOR 226 11 39/FAIR 520 11 TERRACE 14/POOR 269 11 16/POOR 323 13 15/POOR 313 5 STEWART 14/POOR 58 22 14/POOR 54 20 13/POOR 60 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 20 S 26 S 22 SANDSPIT N 38 N 35 N 26 PORT HARDY SE 16 S 11 S 11 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^