FPCN39 CWLW 011400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 1 SEPTEMBER 2000 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 82/GOOD 1033 11 100/GOOD 1788 9 100/GOOD 2060 10 KAMLOOPS 88/GOOD 1158 13 100/GOOD 2034 8 100/GOOD 2183 10 OKANAGAN 58/GOOD 1316 9 100/GOOD 1877 6 94/GOOD 2070 8 CASTLEGAR 70/GOOD 1361 17 100/GOOD 1947 10 100/GOOD 2100 13 CRANBROOK 67/GOOD 1449 16 100/GOOD 2191 6 100/GOOD 2308 20 REVELSTOKE 75/GOOD 1241 10 100/GOOD 2309 9 100/GOOD 1817 11 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 17 SW 31 CRANBROOK S 9 SW 31 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 73/GOOD 1225 16 100/GOOD 1581 9 100/GOOD 2041 14 100 MILE 50/FAIR 1678 3 100/GOOD 2804 18 100/GOOD 2700 11 WILLIAMS LK 51/FAIR 1437 8 100/GOOD 2529 15 100/GOOD 2747 12 PUNTZI MNT 66/GOOD 1547 12 44/FAIR 1564 6 66/GOOD 2749 5 PR. GEORGE 80/GOOD 1365 31 100/GOOD 1582 18 100/GOOD 1873 19 BURNS LAKE 50/FAIR 1337 32 100/GOOD 1405 29 100/GOOD 1873 14 SMITHERS 48/FAIR 1372 27 100/GOOD 1481 23 81/GOOD 1628 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE N 15 W 9 SMITHERS N 22 N 26 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 53/FAIR 689 23 100/GOOD 1758 23 27/POOR 580 15 FT STJOHN 70/GOOD 1089 35 96/GOOD 1081 26 24/POOR 825 22 WHITEHORSE 39/FAIR 1033 14 100/GOOD 2644 17 100/GOOD 1930 18 DAWSON 44/FAIR 589 22 100/GOOD 1551 25 100/GOOD 1814 19 WATSON LAKE 67/GOOD 1243 19 100/GOOD 2107 20 100/GOOD 1755 18 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE N 19 N 20 WATSON LAKE E 28 E 31 WHITEHORSE N 35 N 39 MAYO N 24 N 30 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 78/GOOD 741 18 62/GOOD 805 13 45/FAIR 624 10 FRASER VLY 75/GOOD 915 13 84/GOOD 1483 8 87/GOOD 1192 9 SRN VRISL 71/GOOD 516 17 37/FAIR 487 10 42/FAIR 500 8 CNTRL VRISL 67/GOOD 516 17 86/GOOD 1023 9 100/GOOD 1432 10 NRN VRISL 32/POOR 242 9 42/FAIR 449 11 66/GOOD 801 6 TERRACE 52/FAIR 1213 24 100/GOOD 1500 18 100/GOOD 1856 5 STEWART 55/FAIR 618 25 100/GOOD 493 21 50/FAIR 604 8 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 11 W 22 W 28 SANDSPIT N 48 N 52 N 61 PORT HARDY NW 37 NW 41 NW 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JEM $$$$^^