FPCN39 CWLW 081500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 8 DECEMBER 1999 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 21/POOR 377 12 55/GOOD 441 19 55/GOOD 518 14 KAMLOOPS 14/POOR 421 4 55/GOOD 551 24 55/GOOD 493 15 OKANAGAN 32/POOR 760 9 44/FAIR 892 24 55/GOOD 979 19 CASTLEGAR 14/POOR 578 3 44/FAIR 1136 13 55/GOOD 581 13 CRANBROOK 15/POOR 1025 9 44/FAIR 1890 12 55/GOOD 1234 12 REVELSTOKE 36/FAIR 870 9 44/FAIR 1010 15 55/GOOD 629 13 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 11 W 22 CRANBROOK W 11 NW 24 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 18/POOR 608 19 41/FAIR 694 39 55/GOOD 629 21 100 MILE 12/POOR 962 12 70/GOOD 1395 36 55/GOOD 1032 17 WILLIAMS LK 13/POOR 965 12 70/GOOD 1338 36 55/GOOD 1021 15 PUNTZI MNT 18/POOR 988 19 70/GOOD 1076 30 55/GOOD 1289 23 PR. GEORGE 17/POOR 759 17 55/GOOD 728 34 55/GOOD 708 27 BURNS LAKE 20/POOR 804 26 55/GOOD 903 35 55/GOOD 734 25 SMITHERS 31/POOR 685 26 55/GOOD 741 31 55/GOOD 866 22 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 30 W 39 SMITHERS W 20 W 30 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 9 13/POOR 429 22 12/POOR 398 12 FT STJOHN 13/POOR 721 20 14/POOR 743 28 55/GOOD 723 30 WHITEHORSE 13/POOR 731 29 13/POOR 729 30 12/POOR 712 21 DAWSON 29/POOR 491 30 38/FAIR 539 28 15/POOR 413 9 WATSON LAKE 13/POOR 714 13 12/POOR 704 35 15/POOR 725 8 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 28 SW 44 WATSON LAKE W 54 W 54 WHITEHORSE SW 37 SW 54 MAYO SW 17 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 95/GOOD 537 27 66/GOOD 288 54 66/GOOD 38 15 FRASER VLY 31/POOR 263 18 60/GOOD 308 29 66/GOOD 69 17 SRN VRISL 90/GOOD 566 22 60/GOOD 383 46 66/GOOD 175 20 CNTRL VRISL 70/GOOD 416 24 66/GOOD 379 40 66/GOOD 495 20 NRN VRISL 100/GOOD 548 42 60/GOOD 197 51 66/GOOD 41 25 TERRACE 71/GOOD 573 22 60/GOOD 249 22 66/GOOD 293 18 STEWART 57/GOOD 263 23 60/GOOD 33 27 66/GOOD 52 20 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 11 W 19 W 24 SANDSPIT SW 18 SW 22 W 28 PORT HARDY W 14 W 22 W 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/INCICES AND CATEGORIES MODIFIED. MIXING HEIGHTS AND WIND NOT. $$$$^^