FPCN39 CWLW 091330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 9 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. 09-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 37/FAIR 18 547 58/GOOD 8 1666 54/GOOD 7 1709 KAMLOOPS 29/POOR 14 628 67/GOOD 9 1974 53/FAIR 7 1764 OKANAGAN 22/POOR 10 705 64/GOOD 7 2403 61/GOOD 7 2218 CASTLEGAR 58/GOOD 22 1024 66/GOOD 7 2506 70/GOOD 7 2760 CRANBROOK 61/GOOD 15 1769 66/GOOD 6 3306 90/GOOD 10 3476 REVELSTOKE 36/FAIR 19 732 60/GOOD 6 2442 73/GOOD 9 2331 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SE 30 SE 17 CRANBROOK E 28 E 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 11/POOR 7 599 56/GOOD 9 1768 49/FAIR 6 2003 100 MILE 19/POOR 11 1116 64/GOOD 10 2293 53/FAIR 8 2188 WILLIAMS LAKE 16/POOR 9 1092 56/GOOD 9 2141 54/GOOD 8 2223 PUNTZI MTN 10/POOR 4 953 58/GOOD 10 2074 56/GOOD 8 2260 PRINCE GEORGE 10/POOR 4 719 59/GOOD 10 1888 60/GOOD 7 2420 BURNS LAKE 10/POOR 4 572 64/GOOD 11 1764 48/FAIR 7 1769 SMITHERS 9/POOR 2 550 56/GOOD 9 1744 43/FAIR 6 1712 MCBRIDE 16/POOR 13 831 58/GOOD 7 2360 69/GOOD 10 2282 CLEARWATER 33/FAIR 21 629 66/GOOD 9 1976 68/GOOD 9 2047 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 0 0 0 SMITHERS 0 0 NW 11 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 30/POOR 27 538 97/GOOD 18 2032 62/GOOD 11 1534 FT ST JOHN 30/POOR 22 887 97/GOOD 15 2666 96/GOOD 15 2622 WHITEHORSE 27/POOR 17 913 74/GOOD 12 2170 63/GOOD 11 1886 DAWSON 25/POOR 15 580 88/GOOD 14 2094 99/GOOD 17 2336 WATSON LAKE 27/POOR 20 860 94/GOOD 18 2230 81/GOOD 14 2174 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 0 NW 9 WATSON LAKE NW 20 NW 19 WHITEHORSE 0 0 0 0 MAYO W 28 W 22 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 26/POOR 37 92 56/GOOD 25 437 38/FAIR 19 317 FRASER VALLEY 44/FAIR 35 270 59/GOOD 12 1034 47/FAIR 9 974 SRN VAN ISLD 19/POOR 28 84 56/GOOD 17 659 44/FAIR 9 856 CNTRL VAN ISLD 14/POOR 18 77 70/GOOD 18 891 37/FAIR 11 537 NRN VAN ISLD 12/POOR 7 103 61/GOOD 19 687 45/FAIR 25 331 TERRACE 14/POOR 9 314 64/GOOD 12 1340 37/FAIR 5 1347 STEWART 11/POOR 5 84 55/GOOD 12 884 37/FAIR 9 536 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 33 NE 13 NE 15 SANDSPIT E 11 N 15 N 13 PORT HARDY N 15 0 0 0 0 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/GF