FPCN39 CWLW 031500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 3 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 12/POOR 400 8 46/FAIR 646 17 57/GOOD 531 22 KAMLOOPS 18/POOR 475 14 41/FAIR 634 16 48/FAIR 602 29 OKANAGAN 19/POOR 606 16 43/FAIR 895 16 100/GOOD 953 31 CASTLEGAR 21/POOR 620 18 30/POOR 1120 10 73/GOOD 1109 15 CRANBROOK 32/POOR 1133 22 48/FAIR 1599 13 62/GOOD 1511 12 REVELSTOKE 45/FAIR 994 12 41/FAIR 1046 10 18/POOR 536 19 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 16 W 33 W 69 CRANBROOK W 20 W 57 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 20/POOR 649 11 31/POOR 671 31 42/FAIR 799 40 100 MILE 15/POOR 1031 12 26/POOR 1040 28 45/FAIR 1340 38 WILLIAMS LK 19/POOR 1073 12 26/POOR 1054 30 49/FAIR 1212 36 PUNTZI MNT 18/POOR 991 18 17/POOR 1066 23 44/FAIR 1224 31 PR. GEORGE 17/POOR 775 15 16/POOR 835 30 15/POOR 719 42 BURNS LAKE 24/POOR 832 26 20/POOR 891 28 14/POOR 740 25 SMITHERS 22/POOR 642 22 27/POOR 661 24 13/POOR 562 16 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 48 NW 48 SMITHERS W 31 W 35 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 13/POOR 404 22 13/POOR 411 30 12/POOR 389 7 FT STJOHN 15/POOR 732 32 13/POOR 823 25 12/POOR 706 29 WHITEHORSE 16/POOR 751 31 12/POOR 815 27 13/POOR 724 23 DAWSON 20/POOR 443 28 13/POOR 489 35 12/POOR 379 31 WATSON LAKE 12/POOR 711 13 19/POOR 761 31 12/POOR 707 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 26 SW 39 WATSON LAKE W 37 W 39 WHITEHORSE SW 46 SW 69 MAYO S 20 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 33/POOR 218 19 73/GOOD 358 41 13/POOR 14 48 FRASER VLY 16/POOR 129 12 48/FAIR 233 25 13/POOR 72 31 SRN VRISL 17/POOR 235 4 67/GOOD 262 34 12/POOR 26 37 CNTRL VRISL 23/POOR 153 10 67/GOOD 314 31 13/POOR 50 32 NRN VRISL 50/FAIR 341 28 77/GOOD 450 44 14/POOR 37 10 TERRACE 21/POOR 563 20 43/FAIR 249 23 12/POOR 264 12 STEWART 26/POOR 327 20 43/FAIR 200 21 17/POOR 170 5 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 50 NW 61 NW 59 SANDSPIT W 27 W 33 W 37 PORT HARDY NW 27 NW 41 NW 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^