FPCN39 CWLW 101400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 10 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 43/FAIR 1143 7 83/GOOD 1424 1 100/GOOD 1192 17 KAMLOOPS 70/GOOD 1301 8 91/GOOD 1768 12 100/GOOD 1468 21 OKANAGAN 68/GOOD 1385 6 100/GOOD 1757 17 100/GOOD 1667 18 CASTLEGAR 58/GOOD 1002 8 84/GOOD 1555 18 100/GOOD 1922 13 CRANBROOK 60/GOOD 1575 10 93/GOOD 2618 14 100/GOOD 2348 17 REVELSTOKE 40/POOR 1486 5 85/GOOD 2072 15 100/GOOD 1689 13 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 22 W 43 CRANBROOK W 15 NW 43 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 50/FAIR 1106 6 72/GOOD 1764 8 87/GOOD 1316 17 100 MILE 50/FAIR 1911 7 77/GOOD 2230 8 100/GOOD 1882 23 WILLIAMS LK 44/FAIR 1180 6 69/GOOD 2261 5 34/FAIR 1211 15 PUNTZI MNT 56/GOOD 1533 10 80/GOOD 2274 12 100/GOOD 2115 26 PR. GEORGE 62/GOOD 1272 6 86/GOOD 1734 8 60/GOOD 1092 17 BURNS LAKE 65/GOOD 1474 6 85/GOOD 1961 8 23/POOR 818 23 SMITHERS 35/POOR 1027 3 81/GOOD 1807 11 14/POOR 563 22 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 41 SW 39 SMITHERS SW 46 W 78 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 492 4 100/GOOD 2042 12 100/GOOD 1706 17 FT STJOHN 20/P00R 1636 6 100/GOOD 1995 17 100/GOOD 1335 30 WHITEHORSE 15/POOR 762 10 100/GOOD 2276 22 100/GOOD 1591 19 DAWSON 18/POOR 452 4 100/GOOD 1832 23 34/FAIR 861 7 WATSON LAKE 20/POOR 815 5 100/GOOD 2222 10 49/FAIR 1011 15 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 0 0 WATSON LAKE W 15 W 9 WHITEHORSE N 20 N 26 MAYO NE 31 NE 22 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 36/FAIR 393 5 51/FAIR 694 15 28/POOR 380 8 FRASER VLY 42/POOR 399 10 60/GOOD 855 22 59/GOOD 875 7 SRN VRISL 25/POOR 273 5 41/FAIR 598 14 22/POOR 283 5 CNTRL VRISL 49/FAIR 639 6 69/GOOD 877 11 56/GOOD 733 8 NRN VRISL 21/POOR 152 8 71/GOOD 870 14 75/GOOD 410 25 TERRACE 33/POOR 921 5 54/FAIR 1407 8 15/POOR 266 25 STEWART 21/POOR 334 4 43/FAIR 666 7 18/POOR 102 21 FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 25 W 33 W 43 SANDSPIT W 55 W 67 W 80 PORT HARDY SW 50 W 59 W 63 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^