FPCN39 CWLW 251430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST SUNDAY 25 FEBRUARY 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 26/POOR 467 5 78/GOOD 1480 2 42/FAIR 1162 4 KAMLOOPS 14/POOR 401 7 100/GOOD 1488 14 44/FAIR 1252 5 OKANAGAN 47/FAIR 821 12 100/GOOD 1614 12 87/GOOD 1560 4 CASTLEGAR 75/GOOD 1002 12 100/GOOD 2320 14 100/GOOD 2020 8 CRANBROOK 44/FAIR 1269 7 100/GOOD 3144 21 100/GOOD 2669 16 REVELSTOKE 15/POOR 520 12 100/GOOD 1768 15 100/GOOD 1697 7 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 22 N 41 CRANBROOK W 19 W 35 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 583 5 50/FAIR 1107 3 80/GOOD 1378 11 100 MILE 14/POOR 999 2 50/FAIR 1794 14 69/GOOD 1935 6 WILLIAMS LK 15/POOR 1003 5 50/FAIR 1705 6 55/GOOD 1773 6 PUNTZI MNT 15/POOR 969 11 50/FAIR 2324 7 67/GOOD 1665 8 PR. GEORGE 17/POOR 800 5 24/POOR 1244 1 68/GOOD 1368 10 BURNS LAKE 43/FAIR 1053 14 23/POOR 987 6 100/GOOD 1701 16 SMITHERS 37/FAIR 849 13 19/POOR 711 5 100/GOOD 1449 14 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 20 NW 56 SMITHERS W 33 W 46 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 34/FAIR 706 11 30/POOR 800 7 19/POOR 498 13 FT STJOHN 23/POOR 899 11 30/POOR 800 10 100/GOOD 1188 27 WHITEHORSE 90/GOOD 1163 25 30/POOR 847 24 15/POOR 738 31 DAWSON 100/GOOD 807 35 30/FAIR 532 31 23/POOR 468 22 WATSON LAKE 57/GOOD 1136 15 30/FAIR 700 8 17/POOR 784 13 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 26 W 56 WATSON LAKE W 13 W 50 WHITEHORSE SW 37 W 63 MAYO S 19 W 41 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 29/POOR 187 12 48/FAIR 685 16 20/POOR 364 6 FRASER VLY 56/GOOD 603 2 45/FAIR 700 6 29/POOR 897 6 SRN VRISL 53/FAIR 347 22 38/FAIR 514 10 23/POOR 356 2 CNTRL VRISL 45/FAIR 316 23 40/FAIR 651 7 19/POOR 594 2 NRN VRISL 16/POOR 124 15 62/GOOD 938 10 45/FAIR 964 3 TERRACE 32/POOR 514 10 90/GOOD 851 12 62/GOOD 636 17 STEWART 30/POOR 236 13 18/POOR 148 12 24/POOR 94 22 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 N 13 N 30 SANDSPIT SW 29 W 33 W 35 PORT HARDY 0 0 W 11 W 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/CC