FPCN39 CWLW 261500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 26 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 250 4 13/POOR 314 6 16/POOR 319 20 KAMLOOPS 12/POOR 381 11 14/POOR 509 6 13/POOR 448 3 OKANAGAN 12/POOR 457 8 13/POOR 500 4 13/POOR 481 18 CASTLEGAR 14/POOR 551 13 12/POOR 551 6 13/POOR 624 8 CRANBROOK 17/POOR 1005 26 15/POOR 1030 19 14/POOR 1028 8 REVELSTOKE 13/POOR 474 5 12/POOR 498 5 13/POOR 515 12 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 N 9 CRANBROOK N 9 N 28 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 611 26 18/POOR 642 26 17/POOR 630 25 100 MILE 20/POOR 1026 25 18/POOR 1062 19 17/POOR 1049 15 WILLIAMS LK 13/POOR 973 16 17/POOR 1084 14 17/POOR 1055 16 PUNTZI MNT 13/POOR 939 11 13/POOR 980 4 14/POOR 976 19 PR. GEORGE 17/POOR 753 26 18/POOR 823 19 18/POOR 788 25 BURNS LAKE 12/POOR 732 12 12/POOR 764 5 14/POOR 769 26 SMITHERS 12/POOR 539 20 12/POOR 572 13 13/POOR 554 29 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 26 W 44 SMITHERS SW 69 SW 72 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 396 35 13/POOR 394 24 12/POOR 387 32 FT STJOHN 40/FAIR 734 39 45/FAIR 705 34 45/FAIR 704 42 WHITEHORSE 60/GOOD 846 33 70/GOOD 720 46 70/GOOD 714 39 DAWSON 14/POOR 401 24 14/POOR 395 33 12/POOR 375 27 WATSON LAKE 13/POOR 719 27 13/POOR 704 28 13/POOR 700 31 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 67 W 111 WATSON LAKE SW 81 W 104 WHITEHORSE SW 76 SW115 MAYO SW 69 SW102 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 15/POOR 41 27 12/POOR 13 10 12/POOR 22 4 FRASER VLY 16/POOR 110 20 13/POOR 92 12 13/POOR 102 7 SRN VRISL 14/POOR 66 17 14/POOR 62 13 13/POOR 55 8 CNTRL VRISL 13/POOR 54 16 13/POOR 121 5 12/POOR 99 1 NRN VRISL 14/POOR 52 22 13/POOR 55 13 13/POOR 43 21 TERRACE 12/POOR 245 17 12/POOR 258 16 13/POOR 254 22 STEWART 16/POOR 94 16 15/POOR 77 18 12/POOR 35 21 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 24 NE 13 NE 11 SANDSPIT SW 53 SW 54 SW 63 PORT HARDY 0 0 W 9 W 19 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^