FPCN39 CWLW 081330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 8 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. 08-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 36/FAIR 8 913 75/GOOD 13 1608 67/GOOD 10 1675 KAMLOOPS 37/FAIR 10 917 97/GOOD 20 1822 65/GOOD 8 2083 OKANAGAN 33/FAIR 8 1060 93/GOOD 20 1828 67/GOOD 9 2096 CASTLEGAR 33/POOR 10 965 99/GOOD 20 2384 71/GOOD 8 2511 CRANBROOK 37/FAIR 10 1516 99/GOOD 20 2562 62/GOOD 6 3067 REVELSTOKE 29/POOR 8 937 99/GOOD 16 2463 54/FAIR 6 2138 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 N 41 N 33 CRANBROOK N 37 N 17 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 19/POOR 6 848 75/GOOD 12 2045 56/GOOD 8 1907 100 MILE 20/POOR 6 1286 92/GOOD 18 2430 68/GOOD 10 2452 WILLIAMS LAKE 15/POOR 5 1175 86/GOOD 15 2495 64/GOOD 10 2280 PUNTZI MTN 13/POOR 5 1065 61/GOOD 8 2458 56/GOOD 9 2129 PRINCE GEORGE 17/POOR 5 981 69/GOOD 10 2214 60/GOOD 8 2197 BURNS LAKE 16/POOR 5 808 68/GOOD 10 2032 66/GOOD 10 1961 SMITHERS 16/POOR 5 773 65/GOOD 10 1919 60/GOOD 9 1886 MCBRIDE 31/POOR 5 1614 74/GOOD 10 2475 57/GOOD 7 2322 CLEARWATER 27/POOR 6 962 81/GOOD 12 2112 56/GOOD 7 1946 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 19 NW 30 SMITHERS N 15 N 17 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 14/POOR 5 565 97/GOOD 20 1860 90/GOOD 17 1885 FT ST JOHN 25/POOR 10 1007 99/GOOD 20 2600 94/GOOD 15 2557 WHITEHORSE 21/POOR 10 928 99/GOOD 20 2350 94/GOOD 20 2101 DAWSON 18/POOR 8 576 97/GOOD 16 2215 80/GOOD 11 2187 WATSON LAKE 18/POOR 6 959 93/GOOD 16 2385 81/GOOD 13 2277 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE NW 22 NW 30 WATSON LAKE NW 39 NW 33 WHITEHORSE NW 24 NW 20 MAYO NW 48 W 43 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 12/POOR 5 106 50/FAIR 20 452 53/FAIR 22 452 FRASER VALLEY 15/POOR 5 280 63/GOOD 20 718 66/GOOD 15 1011 SRN VAN ISLD 12/POOR 6 118 36/FAIR 12 469 48/FAIR 19 469 CNTRL VAN ISLD 17/POOR 14 128 61/GOOD 21 624 49/FAIR 17 542 NRN VAN ISLD 16/POOR 10 154 46/FAIR 20 422 39/FAIR 18 372 TERRACE 16/POOR 6 439 70/GOOD 12 1517 77/GOOD 15 1453 STEWART 13/POOR 6 124 56/GOOD 12 907 48/FAIR 12 707 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 41 E 24 N 22 SANDSPIT E 22 NE 19 N 15 PORT HARDY NE 9 E 9 NE 9 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/