FPCN39 CWLW 191343 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 19 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. 19-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 34/FAIR 8 868 99/GOOD 20 2056 72/GOOD 12 1616 KAMLOOPS 48/FAIR 10 1200 70/GOOD 8 2328 87/GOOD 14 2065 OKANAGAN 37/FAIR 8 1173 81/GOOD 12 2175 61/GOOD 8 2003 CASTLEGAR 31/POOR 8 1030 83/GOOD 10 2686 72/GOOD 10 2144 CRANBROOK 14/POOR 10 1028 99/GOOD 17 2980 52/FAIR 7 2329 REVELSTOKE 32/POOR 12 817 74/GOOD 10 2174 69/GOOD 9 2147 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 37 NW 28 CRANBROOK NW 15 SW 24 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 21/POOR 5 1000 45/FAIR 5 2074 68/GOOD 11 1912 100 MILE 41/FAIR 8 1776 64/GOOD 8 2631 91/GOOD 15 2681 WILLIAMS LAKE 34/FAIR 5 1928 48/FAIR 5 2623 71/GOOD 9 2743 PUNTZI MTN 73/GOOD 14 2117 67/GOOD 8 2736 89/GOOD 15 2560 PRINCE GEORGE 24/POOR 5 1267 65/GOOD 11 1954 69/GOOD 9 2401 BURNS LAKE 24/POOR 5 1293 68/GOOD 12 1979 69/GOOD 12 1982 SMITHERS 12/POOR 5 641 36/FAIR 9 1128 63/GOOD 12 1627 MCBRIDE 21/POOR 10 962 29/POOR 9 1159 42/FAIR 6 1882 CLEARWATER 52/FAIR 18 927 81/GOOD 11 2290 77/GOOD 11 2094 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 33 W 24 SMITHERS W 31 W 31 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 26/POOR 17 572 23/POOR 11 633 19/POOR 2 1302 FT ST JOHN 68/GOOD 20 1441 90/GOOD 14 2533 83/GOOD 10 2869 WHITEHORSE 34/FAIR 14 1058 76/GOOD 14 2016 85/GOOD 13 2451 DAWSON 12/POOR 12 420 37/FAIR 17 711 78/GOOD 18 1442 WATSON LAKE 37/FAIR 19 990 23/POOR 7 1074 16/POOR 1 1901 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 11 SW 13 WATSON LAKE S 9 NW 13 WHITEHORSE S 17 SW 17 MAYO E 17 E 17 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 44/FAIR 27 278 28/POOR 5 756 25/POOR 6 521 FRASER VALLEY 30/POOR 14 354 39/FAIR 8 829 35/FAIR 7 797 SRN VAN ISLD 44/FAIR 24 330 34/FAIR 8 654 16/POOR 5 261 CNTRL VAN ISLD 49/FAIR 25 375 23/POOR 3 938 17/POOR 2 732 NRN VAN ISLD 11/POOR 10 61 29/POOR 6 668 41/FAIR 27 271 TERRACE 26/POOR 12 487 19/POOR 8 455 43/FAIR 11 873 STEWART 14/POOR 13 73 19/POOR 9 207 22/POOR 13 197 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 28 W 24 NW 35 SANDSPIT W 19 W 26 W 39 PORT HARDY W 30 W 31 W 37 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/