FPCN39 CWLW 071400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 7 JULY 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 90/GOOD 900 15 100/GOOD 1752 13 100/GOOD 1080 12 KAMLOOPS 100/GOOD 1005 21 100/GOOD 1981 13 81/GOOD 1080 11 OKANAGAN 90/GOOD 1023 16 100/GOOD 2426 12 100/GOOD 1771 8 CASTLEGAR 61/GOOD 1241 6 100/GOOD 2336 11 100/GOOD 2023 13 CRANBROOK 83/GOOD 1493 16 100/GOOD 2751 16 100/GOOD 2477 14 REVELSTOKE 85/GOOD 1041 15 100/GOOD 1682 9 89/GOOD 1703 6 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 0 0 CRANBROOK 0 0 0 0 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 78/GOOD 977 21 100/GOOD 1756 8 55/GOOD 1061 8 100 MILE 100/GOOD 1582 22 100/GOOD 2602 8 97/GOOD 2220 4 WILLIAMS LK 71/GOOD 1352 21 100/GOOD 2512 10 55/GOOD 1814 11 PUNTZI MNT 83/GOOD 1383 23 100/GOOD 2488 17 82/GOOD 2053 5 PR. GEORGE 84/GOOD 1119 25 100/GOOD 1950 12 57/GOOD 1849 5 BURNS LAKE 100/GOOD 1570 20 100/GOOD 2016 15 74/GOOD 1736 9 SMITHERS 90/GOOD 1179 15 100/GOOD 1542 14 88/GOOD 1797 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 17 NW 17 SMITHERS NW 30 NW 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 20/POOR 452 33 95/GOOD 1052 18 100/GOOD 1643 11 FT STJOHN 31/POOR 850 24 100/GOOD 2033 13 77/GOOD 1845 21 WHITEHORSE 100/GOOD 2067 27 100/GOOD 2274 15 88/GOOD 2889 4 DAWSON 50/FAIR 871 9 100/GOOD 2398 7 100/GOOD 2608 11 WATSON LAKE 86/GOOD 1245 20 66/GOOD 1431 8 55/GOOD 2314 1 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 28 W 33 WATSON LAKE W 35 W 28 WHITEHORSE W 26 W 26 MAYO W 31 W 26 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 193 8 62/GOOD 458 6 63/GOOD 407 14 FRASER VLY 16/POOR 204 7 74/GOOD 1057 11 89/GOOD 761 18 SRN VRISL 21/POOR 156 13 62/GOOD 385 7 100/GOOD 916 25 CNTRL VRISL 18/POOR 183 11 62/GOOD 831 2 74/GOOD 878 11 NRN VRISL 29/POOR 492 7 63/GOOD 609 16 100/GOOD 831 28 TERRACE 100/GOOD 1259 11 100/GOOD 1566 9 73/GOOD 1518 6 STEWART 62/GOOD 567 9 75/GOOD 700 11 63/GOOD 832 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 9 0 0 SANDSPIT 0 0 NW 15 NW 19 PORT HARDY N 12 N 17 NE 20 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^