FPCN39 CWLW 051430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 5 JANUARY 2001 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 45/FAIR 651 28 63/GOOD 1756 28 47/FAIR 1130 10 KAMLOOPS 15/POOR 377 32 65/GOOD 1374 33 39/FAIR 927 14 OKANAGAN 18/POOR 487 31 63/GOOD 1517 30 41/FAIR 845 15 CASTLEGAR 38/FAIR 729 19 67/GOOD 1563 20 43/FAIR 816 4 CRANBROOK 40/FAIR 1172 20 73/GOOD 1671 30 42/FAIR 1146 13 REVELSTOKE 17/POOR 525 20 66/GOOD 1505 23 51/FAIR 1133 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 18 W 48 W 91 CRANBROOK W 28 W 80 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 14/POOR 569 36 73/GOOD 1561 33 45/FAIR 789 25 100 MILE 14/POOR 969 43 67/GOOD 1486 30 37/FAIR 932 22 WILLIAMS LK 14/POOR 967 39 74/GOOD 1566 32 43/FAIR 982 21 PUNTZI MNT 38/FAIR 1029 42 90/GOOD 1527 45 46/FAIR 1093 23 PR. GEORGE 14/POOR 721 37 64/GOOD 1409 40 39/FAIR 906 28 BURNS LAKE 20/POOR 782 34 66/GOOD 1349 44 43/FAIR 934 22 SMITHERS 33/POOR 678 25 71/GOOD 1457 37 43/FAIR 845 25 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 80 W 109 SMITHERS W 67 W 91 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 435 5 13/POOR 433 18 44/FAIR 911 16 FT STJOHN 14/POOR 727 28 44/FAIR 718 49 43/FAIR 713 27 WHITEHORSE 23/POOR 855 17 42/FAIR 743 19 14/POOR 728 30 DAWSON 14/POOR 406 12 16/POOR 460 10 19/POOR 426 39 WATSON LAKE 34/FAIR 877 27 14/POOR 735 22 13/POOR 708 25 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 43 W 81 WATSON LAKE SW 19 W 54 WHITEHORSE SW 22 SW 43 MAYO 0 0 SW 15 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 18/POOR 50 41 62/GOOD 1012 30 46/FAIR 355 22 FRASER VLY 42/FAIR 250 33 73/GOOD 975 28 42/FAIR 320 21 SRN VRISL 43/FAIR 180 33 64/GOOD 981 31 47/FAIR 550 18 CNTRL VRISL 36/FAIR 348 29 73/GOOD 850 25 50/FAIR 402 13 NRN VRISL 48/FAIR 501 43 67/GOOD 749 23 39/FAIR 375 34 TERRACE 13/POOR 110 24 65/GOOD 392 45 43/FAIR 248 32 STEWART 18/POOR 120 19 63/GOOD 447 39 62/GOOD 774 25 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 44 W 61 W 76 SANDSPIT W 53 W 63 W 67 PORT HARDY W 40 W 54 W 63 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/