FPCN39 CWLW 121330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 12 SEPTEMBER 2001 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF LOCAL MOUNTAINS OR HILLS. 12-September-2001 SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 25/POOR 13 467 48/FAIR 5 1944 66/GOOD 7 2255 KAMLOOPS 19/POOR 13 497 58/GOOD 7 2003 71/GOOD 8 2348 OKANAGAN 15/POOR 9 582 48/FAIR 4 2568 77/GOOD 11 2166 CASTLEGAR 46/FAIR 22 863 55/GOOD 6 2235 58/GOOD 5 2785 CRANBROOK 47/FAIR 17 1432 81/GOOD 16 2232 81/GOOD 14 2414 REVELSTOKE 39/FAIR 16 835 39/FAIR 3 2549 43/FAIR 3 2819 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 E 15 SW 13 CRANBROOK E 37 SW 13 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 15/POOR 5 782 44/FAIR 5 2055 62/GOOD 9 1956 100 MILE 13/POOR 9 1027 26/POOR 2 2609 72/GOOD 10 2584 WILLIAMS LAKE 20/POOR 11 1132 27/POOR 2 2646 71/GOOD 10 2563 PUNTZI MTN 27/POOR 13 1180 65/GOOD 7 2903 70/GOOD 10 2503 PRINCE GEORGE 15/POOR 8 822 42/FAIR 5 2104 43/FAIR 5 2147 BURNS LAKE 53/FAIR 17 1123 51/FAIR 6 2091 38/FAIR 4 2059 SMITHERS 49/FAIR 17 1041 51/FAIR 7 1881 32/POOR 4 1671 MCBRIDE 28/POOR 14 1002 30/POOR 3 2130 43/FAIR 5 2159 CLEARWATER 13/POOR 5 527 51/FAIR 5 2242 57/GOOD 6 2277 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SE 9 0 0 SMITHERS S 26 SW 28 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 41/FAIR 29 612 99/GOOD 22 1971 70/GOOD 9 2149 FT ST JOHN 35/FAIR 28 886 78/GOOD 16 1886 78/GOOD 12 2282 WHITEHORSE 47/FAIR 22 1074 98/GOOD 24 1976 99/GOOD 40 1606 DAWSON 37/FAIR 32 551 66/GOOD 15 1322 80/GOOD 16 1625 WATSON LAKE 31/POOR 22 888 70/GOOD 13 1912 52/FAIR 14 1390 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 54 SW 50 WATSON LAKE S 39 SE 43 WHITEHORSE S 50 S 57 MAYO S 46 SE 41 COAST TODAY TOMORROW 7:00 AM 4:00 PM 4:00 PM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 13/POOR 11 63 46/FAIR 28 288 45/FAIR 26 297 FRASER VALLEY 15/POOR 11 160 41/FAIR 11 666 40/FAIR 12 601 SRN VAN ISLD 19/POOR 20 108 25/POOR 14 235 18/POOR 8 221 CNTRL VAN ISLD 24/POOR 20 164 38/FAIR 21 305 33/FAIR 16 327 NRN VAN ISLD 18/POOR 12 154 41/FAIR 21 341 44/FAIR 25 317 TERRACE 27/POOR 13 489 36/FAIR 6 1122 13/POOR 1 987 STEWART 20/POOR 16 130 23/POOR 8 340 16/POOR 5 270 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 13 0 0 SW 9 SANDSPIT 0 0 0 0 0 0 PORT HARDY SW 17 SW 33 SW 46 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/