FPCN39 CWLW 061400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 6 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 78/GOOD 1183 10 100/GOOD 1472 10 100/GOOD 865 24 KAMLOOPS 87/GOOD 1065 22 100/GOOD 1635 8 100/GOOD 839 32 OKANAGAN 84/GOOD 1095 17 100/GOOD 1736 10 100/GOOD 1505 25 CASTLEGAR 37/FAIR 925 6 100/GOOD 1957 11 100/GOOD 1248 20 CRANBROOK 26/POOR 1117 18 100/GOOD 2303 12 100/GOOD 1947 25 REVELSTOKE 76/GOOD 1294 9 100/GOOD 1708 10 100/GOOD 1199 20 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 17 NW 17 CRANBROOK 0 0 NW 11 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 98/GOOD 1374 19 100/GOOD 1472 18 58/GOOD 1216 24 100 MILE 100/GOOD 1887 19 80/GOOD 1958 8 100/GOOD 1413 32 WILLIAMS LK 75/GOOD 1417 19 86/GOOD 1891 11 27/POOR 1075 23 PUNTZI MNT 78/GOOD 1582 19 100/GOOD 2344 19 100/GOOD 1977 30 PR. GEORGE 78/GOOD 1190 22 100/GOOD 1605 20 100/GOOD 1364 27 BURNS LAKE 69/GOOD 1162 19 100/GOOD 1680 29 100/GOOD 1544 25 SMITHERS 48/FAIR 845 16 100/GOOD 1255 27 100/GOOD 1217 21 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 56 W 54 SMITHERS W 54 W 70 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 17/POOR 465 13 100/GOOD 1526 20 100/GOOD 1814 4 FT STJOHN 23/POOR 839 15 100/GOOD 1675 27 100/GOOD 1771 24 WHITEHORSE 100/GOOD 1230 30 100/GOOD 1710 31 100/GOOD 2170 10 DAWSON 94/GOOD 793 24 16/POOR 431 18 100/GOOD 1244 31 WATSON LAKE 50/FAIR 1031 19 100/GOOD 1206 25 100/GOOD 2378 11 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 39 W 56 WATSON LAKE W 52 W 50 WHITEHORSE NW 31 NW 35 MAYO N 22 NW 24 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 28/POOR 354 2 57/GOOD 779 8 39/FAIR 220 37 FRASER VLY 28/POOR 420 10 60/GOOD 800 9 47/FAIR 362 31 SRN VRISL 28/POOR 210 17 55/GOOD 688 7 38/FAIR 227 26 CNTRL VRISL 56/GOOD 528 17 63/GOOD 881 4 100/GOOD 577 20 NRN VRISL 20/POOR 187 8 60/GOOD 512 19 55/GOOD 321 28 TERRACE 42/FAIR 508 16 66/GOOD 550 25 81/GOOD 747 19 STEWART 64/GOOD 421 12 57/GOOD 218 24 41/FAIR 395 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 11 NW 17 N 30 SANDSPIT W 40 W 57 W 74 PORT HARDY W 29 W 39 NW 48 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/GF $$$$^^