FPCN39 CWLW 191500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 19 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 23/POOR 377 14 32/POOR 565 12 16/POOR 425 3 KAMLOOPS 14/POOR 412 14 17/POOR 668 8 21/POOR 580 7 OKANAGAN 14/POOR 480 14 25/POOR 804 13 32/POOR 732 13 CASTLEGAR 24/POOR 636 19 22/POOR 973 10 31/POOR 978 7 CRANBROOK 18/POOR 1031 18 28/POOR 1408 6 33/POOR 1430 13 REVELSTOKE 12/POOR 474 5 26/POOR 907 6 33/POOR 873 11 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 17 NW 20 CRANBROOK N 15 NW 35 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 14/POOR 596 10 24/POOR 773 11 27/POOR 830 9 100 MILE 13/POOR 984 3 25/POOR 1291 4 32/POOR 1249 18 WILLIAMS LK 13/POOR 969 9 26/POOR 1313 4 21/POOR 1151 13 PUNTZI MNT 12/POOR 929 8 27/POOR 1232 10 23/POOR 1120 8 PR. GEORGE 16/POOR 764 14 20/POOR 862 6 22/POOR 1040 8 BURNS LAKE 13/POOR 748 15 18/POOR 918 3 24/POOR 926 11 SMITHERS 12/POOR 542 13 16/POOR 718 4 17/POOR 629 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 37 NW 48 SMITHERS NW 33 NW 33 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 398 33 12/POOR 397 25 13/POOR 405 26 FT STJOHN 13/POOR 725 33 12/POOR 716 24 14/POOR 734 31 WHITEHORSE 14/POOR 734 29 13/POOR 716 32 12/POOR 707 26 DAWSON 15/POOR 424 14 14/POOR 404 22 12/POOR 387 3 WATSON LAKE 13/POOR 715 18 12/POOR 701 3 12/POOR 695 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 33 NW 46 WATSON LAKE NW 61 NW 69 WHITEHORSE W 39 W 43 MAYO W 50 W 63 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 58/FAIR 373 43 42/FAIR 203 31 19/POOR 77 21 FRASER VLY 53/FAIR 287 32 18/POOR 155 25 23/POOR 238 9 SRN VRISL 52/FAIR 411 27 49/FAIR 334 18 36/FAIR 284 15 CNTRL VRISL 49/FAIR 237 27 53/FAIR 447 17 30/POOR 242 16 NRN VRISL 24/POOR 139 25 17/POOR 92 20 46/FAIR 322 21 TERRACE 13/POOR 256 6 35/FAIR 498 13 16/POOR 323 12 STEWART 12/POOR 39 9 12/POOR 40 16 12/POOR 43 16 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 44 E 24 0 0 SANDSPIT W 12 NW 17 NW 26 PORT HARDY E 16 NE 20 N 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/TCS $$$$^^