FPCN39 CWLW 121330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 12 AUGUST 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-August-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 11/POOR 5 290 78/GOOD 9 2378 61/GOOD 7 1991 KAMLOOPS 15/POOR 12 442 81/GOOD 9 2653 55/GOOD 8 1659 OKANAGAN 14/POOR 12 532 83/GOOD 9 2886 74/GOOD 8 2649 CASTLEGAR 15/POOR 12 588 78/GOOD 7 3222 58/GOOD 8 1936 CRANBROOK 21/POOR 13 1118 94/GOOD 9 4061 84/GOOD 12 2792 REVELSTOKE 15/POOR 12 537 61/GOOD 5 2946 44/FAIR 4 2339 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SE 17 S 19 CRANBROOK S 11 SW 15 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 10/POOR 5 573 59/GOOD 9 1841 61/GOOD 7 2331 100 MILE 17/POOR 17 1026 91/GOOD 12 3130 80/GOOD 12 2624 WILLIAMS LAKE 14/POOR 12 1012 57/GOOD 7 2541 45/FAIR 6 2216 PUNTZI MTN 13/POOR 12 976 40/FAIR 5 2212 45/FAIR 6 2181 PRINCE GEORGE 10/POOR 7 718 41/FAIR 5 2025 69/GOOD 9 2385 BURNS LAKE 12/POOR 14 590 79/GOOD 12 2184 46/FAIR 4 2523 SMITHERS 16/POOR 15 610 68/GOOD 7 2686 46/FAIR 4 2543 MCBRIDE 14/POOR 12 804 53/FAIR 5 2713 89/GOOD 10 3228 CLEARWATER 14/POOR 12 468 79/GOOD 9 2571 59/GOOD 7 2104 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 0 SW 15 SMITHERS SE 17 S 30 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 16/POOR 12 496 55/GOOD 9 1545 60/GOOD 11 1479 FT ST JOHN 18/POOR 10 862 72/GOOD 10 2353 85/GOOD 11 2770 WHITEHORSE 21/POOR 13 875 68/GOOD 9 2385 60/GOOD 8 2203 DAWSON 64/GOOD 17 1156 84/GOOD 13 2094 99/GOOD 20 1949 WATSON LAKE 16/POOR 13 790 73/GOOD 8 2839 98/GOOD 16 2576 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 0 SW 13 WATSON LAKE NW 15 W 17 WHITEHORSE N 13 NW 9 MAYO W 19 W 24 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 10/POOR 5 27 15/POOR 7 160 16/POOR 5 253 FRASER VALLEY 10/POOR 3 102 25/POOR 6 563 41/FAIR 11 673 SRN VAN ISLD 10/POOR 7 50 12/POOR 3 223 17/POOR 8 214 CNTRL VAN ISLD 11/POOR 9 73 17/POOR 3 505 25/POOR 5 635 NRN VAN ISLD 14/POOR 6 175 31/POOR 13 360 46/FAIR 19 441 TERRACE 20/POOR 15 352 54/FAIR 7 1661 50/FAIR 6 1737 STEWART 13/POOR 9 84 21/POOR 4 570 26/POOR 6 561 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 S 15 S 19 SANDSPIT 0 0 S 19 S 26 PORT HARDY N 20 SE 9 S 26 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/TCS