FPCN39 CWLW 161500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 16 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 27/POOR 380 14 89/GOOG 2000 14 13/POOR 251 24 KAMLOOPS 14/POOR 377 30 50/FAIR 626 26 20/POOR 446 28 OKANAGAN 14/POOR 463 28 100/GOOD 1169 22 40/FAIR 644 32 CASTLEGAR 15/POOR 558 18 73/GOOD 935 16 35/FAIR 747 17 CRANBROOK 16/POOR 998 29 63/GOOD 1208 23 54/FAIR 1282 19 REVELSTOKE 46/FAIR 743 23 15/POOR 497 18 32/POOR 703 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 14 W 37 W 87 CRANBROOK W 28 W 81 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 13/POOR 570 25 100/GOOD 1800 29 13/POOR 562 34 100 MILE 14/POOR 974 25 100/GOOD 1800 27 28/POOR 1062 37 WILLIAMS LK 13/POOR 969 26 100/GOOD 1800 28 17/POOR 997 35 PUNTZI MNT 16/POOR 955 35 100/GOOD 1800 35 15/POOR 956 25 PR. GEORGE 14/POOR 727 31 100/GOOD 1800 30 14/POOR 715 30 BURNS LAKE 18/POOR 781 33 100/GOOD 1800 34 14/POOR 758 20 SMITHERS 24/POOR 624 29 100/GOOD 1800 30 16/POOR 626 19 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 80 W 107 SMITHERS SW 80 SW126 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 18/POOR 458 4 12/POOR 391 28 13/POOR 400 24 FT STJOHN 17/POOR 783 17 26/POOR 788 40 12/POOR 707 10 WHITEHORSE 13/POOR 720 28 12/POOR 710 26 12/POOR 707 24 DAWSON 14/POOR 426 24 14/POOR 407 3 12/POOR 389 5 WATSON LAKE 15/POOR 759 15 12/POOR 697 30 12/POOR 699 32 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 31 SW 69 WATSON LAKE SE 26 S 41 WHITEHORSE SE 15 S 24 MAYO E 35 SE 39 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 14/POOR 37 29 72/GOOD 850 17 14/POOR 15 55 FRASER VLY 24/POOR 210 25 72/GOOD 850 18 15/POOR 88 41 SRN VRISL 16/POOR 66 24 72/GOOD 850 17 14/POOR 33 38 CNTRL VRISL 14/POOR 72 24 72/GOOD 850 14 13/POOR 46 31 NRN VRISL 28/POOR 150 27 72/GOOD 92 27 13/POOR 36 40 TERRACE 36/FAIR 422 22 13/POOR 247 18 13/POOR 257 15 STEWART 45/FAIR 254 27 14/POOR 54 23 13/POOR 68 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 46 W 74 W 94 SANDSPIT SW 92 SW 98 W 89 PORT HARDY SW 64 SW 89 W 106 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^