FPCN39 CWLW 101500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 10 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 25/POOR 379 19 36/FAIR 387 26 19/POOR 314 22 KAMLOOPS 20/POOR 432 27 52/FAIR 649 27 17/POOR 410 23 OKANAGAN 20/POOR 529 23 50/FAIR 869 26 18/POOR 507 19 CASTLEGAR 26/POOR 677 12 53/FAIR 990 16 54/FAIR 819 18 CRANBROOK 14/POOR 985 24 100/GOOD 1890 20 96/GOOD 1390 26 REVELSTOKE 32/POOR 707 16 12/POOR 459 16 13/POOR 482 19 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 W 44 CRANBROOK W 15 W 43 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 632 21 14/POOR 577 23 12/POOR 561 19 100 MILE 17/POOR 1008 26 15/POOR 983 26 14/POOR 979 16 WILLIAMS LK 14/POOR 977 20 15/POOR 986 19 13/POOR 963 12 PUNTZI MNT 16/POOR 966 24 50/FAIR 1118 33 38/FAIR 1073 23 PR. GEORGE 19/POOR 771 25 13/POOR 707 31 13/POOR 708 20 BURNS LAKE 23/POOR 831 22 19/POOR 779 32 19/POOR 793 20 SMITHERS 24/POOR 651 18 15/POOR 561 29 13/POOR 541 21 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 41 SW 41 SMITHERS W 35 W 48 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 10 12/POOR 400 3 12/POOR 421 11 FT STJOHN 14/POOR 718 35 12/POOR 706 17 14/POOR 716 38 WHITEHORSE 12/POOR 724 12 14/POOR 750 20 12/POOR 712 14 DAWSON 13/POOR 386 9 12/POOR 380 25 12/POOR 372 2 WATSON LAKE 12/POOR 704 16 12/POOR 702 13 12/POOR 699 12 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 22 W 39 WATSON LAKE W 31 W 46 WHITEHORSE SW 37 SW 54 MAYO SW 11 W 20 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 19/POOR 107 12 14/POOR 23 35 12/POOR 5 32 FRASER VLY 20/POOR 167 16 14/POOR 82 33 12/POOR 64 34 SRN VRISL 36/FAIR 239 20 14/POOR 46 26 12/POOR 23 38 CNTRL VRISL 19/POOR 137 16 13/POOR 48 21 12/POOR 35 30 NRN VRISL 49/FAIR 296 24 15/POOR 66 24 12/POOR 30 19 TERRACE 53/FAIR 570 16 17/POOR 294 17 13/POOR 248 18 STEWART 45/FAIR 324 15 17/POOR 86 19 21/POOR 121 13 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 29 W 35 W 33 SANDSPIT W 40 W 44 W 44 PORT HARDY W 35 NW 44 W 43 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^