FPCN39 CWLW 071500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 7 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 17/POOR 311 15 54/FAIR 998 12 35/FAIR 850 16 KAMLOOPS 13/POOR 383 20 54/FAIR 834 10 35/FAIR 873 23 OKANAGAN 37/FAIR 699 19 54/FAIR 866 12 25/POOR 1009 23 CASTLEGAR 28/POOR 717 16 54/FAIR 1327 16 25/POOR 1176 12 CRANBROOK 36/FAIR 1187 23 54/FAIR 2005 19 35/FAIR 1625 13 REVELSTOKE 48/FAIR 927 13 54/FAIR 678 11 35/FAIR 1049 14 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 28 W 65 CRANBROOK W 24 W 65 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 594 13 44/FAIR 757 17 25/POOR 625 40 100 MILE 13/POOR 972 21 44/FAIR 1345 19 25/POOR 1456 36 WILLIAMS LK 14/POOR 982 17 44/FAIR 1172 19 44/FAIR 1352 35 PUNTZI MNT 16/POOR 966 21 60/GOOD 1493 19 44/FAIR 1162 31 PR. GEORGE 14/POOR 742 15 36/FAIR 944 14 44/FAIR 711 36 BURNS LAKE 16/POOR 781 18 55/GOOD 1366 24 55/GOOD 809 37 SMITHERS 15/POOR 576 19 55/GOOD 1053 19 55/GOOD 617 33 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 31 W 41 SMITHERS SW 37 W 50 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 399 5 13/POOR 427 12 13/POOR 399 31 FT STJOHN 14/POOR 730 33 14/POOR 725 30 13/POOR 725 29 WHITEHORSE 13/POOR 749 6 16/POOR 747 23 18/POOR 756 36 DAWSON 13/POOR 397 14 16/POOR 436 17 13/POOR 402 20 WATSON LAKE 12/POOR 701 23 12/POOR 697 24 14/POOR 720 38 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 24 SW 44 WATSON LAKE SW 30 W 33 WHITEHORSE W 13 SW 28 MAYO NE 19 0 0 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 36/FAIR 277 13 49/FAIR 628 17 60/GOOD 536 50 FRASER VLY 13/POOR 95 6 45/FAIR 948 11 48/FAIR 309 28 SRN VRISL 43/FAIR 386 16 58/GOOD 670 12 60/GOOD 578 48 CNTRL VRISL 28/POOR 231 12 45/FAIR 759 13 60/GOOD 430 44 NRN VRISL 23/POOR 187 11 33/POOR 296 14 74/GOOD 227 54 TERRACE 24/POOR 380 14 12/POOR 237 16 74/GOOD 236 25 STEWART 21/POOR 155 14 14/POOR 61 15 74/GOOD 24 29 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 35 W 50 W 52 SANDSPIT W 44 W 56 W 59 PORT HARDY W 31 W 41 W 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/HEIGHTS AND WINDS NOT ADJUSTED.. ONLY INDICES. $$$$^^