FPCN39 CWLW 101330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 10 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. 10-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 22/POOR 16 379 57/GOOD 9 1479 46/FAIR 5 1831 KAMLOOPS 18/POOR 14 467 57/GOOD 8 1739 37/FAIR 4 1806 OKANAGAN 13/POOR 10 532 57/GOOD 8 1866 29/POOR 3 1762 CASTLEGAR 20/POOR 15 627 69/GOOD 8 2404 56/GOOD 6 2315 CRANBROOK 16/POOR 11 1058 93/GOOD 10 3673 86/GOOD 10 3295 REVELSTOKE 13/POOR 8 531 69/GOOD 8 2347 42/FAIR 5 1845 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 0 0 NW 13 CRANBROOK S 9 W 9 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 9/POOR 1 583 55/GOOD 8 1845 53/FAIR 6 2224 100 MILE 13/POOR 9 1024 55/GOOD 9 2097 52/FAIR 6 2548 WILLIAMS LAKE 12/POOR 8 1012 60/GOOD 6 2940 44/FAIR 5 2428 PUNTZI MTN 10/POOR 3 940 60/GOOD 6 2910 43/FAIR 4 2726 PRINCE GEORGE 11/POOR 10 724 71/GOOD 9 2491 43/FAIR 5 2149 BURNS LAKE 13/POOR 10 615 59/GOOD 11 1617 69/GOOD 9 2255 SMITHERS 11/POOR 8 558 55/GOOD 11 1485 52/FAIR 6 2146 MCBRIDE 10/POOR 6 767 73/GOOD 10 2414 60/GOOD 7 2454 CLEARWATER 15/POOR 12 494 66/GOOD 9 1971 36/FAIR 4 1795 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 0 NW 19 SMITHERS W 11 NW 19 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 27/POOR 26 517 63/GOOD 11 1576 55/GOOD 8 1701 FT ST JOHN 14/POOR 9 804 96/GOOD 13 2944 99/GOOD 14 2911 WHITEHORSE 28/POOR 18 907 60/GOOD 8 2393 48/FAIR 6 2139 DAWSON 18/POOR 17 467 99/GOOD 15 2512 70/GOOD 14 1499 WATSON LAKE 29/POOR 21 878 73/GOOD 12 2114 90/GOOD 15 2413 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 0 W 19 WATSON LAKE NW 17 W 17 WHITEHORSE SW 9 W 11 MAYO W 31 W 31 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 16/POOR 25 55 29/POOR 13 300 26/POOR 12 268 FRASER VALLEY 21/POOR 20 176 38/FAIR 9 725 44/FAIR 9 882 SRN VAN ISLD 13/POOR 20 56 38/FAIR 9 689 13/POOR 3 256 CNTRL VAN ISLD 16/POOR 14 115 25/POOR 7 458 30/POOR 6 713 NRN VAN ISLD 12/POOR 6 99 39/FAIR 20 329 50/FAIR 21 451 TERRACE 12/POOR 8 292 38/FAIR 6 1217 49/FAIR 6 1680 STEWART 10/POOR 3 62 28/POOR 10 387 18/POOR 4 433 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 11 0 0 0 0 SANDSPIT N 24 N 19 N 19 PORT HARDY N 33 NW 22 W 15 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/GF