FPCN39 CWLW 031330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 3 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. 03-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 44/FAIR 20 607 99/GOOD 40 1829 89/GOOD 18 1619 KAMLOOPS 24/POOR 16 521 99/GOOD 22 2296 99/GOOD 21 1962 OKANAGAN 14/POOR 17 513 83/GOOD 14 2006 88/GOOD 12 2499 CASTLEGAR 17/POOR 14 599 91/GOOD 11 2895 81/GOOD 14 1961 CRANBROOK 14/POOR 11 1029 99/GOOD 26 2881 68/GOOD 17 1820 REVELSTOKE 15/POOR 8 580 70/GOOD 12 1753 80/GOOD 12 2121 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 41 S 57 CRANBROOK S 24 SW 54 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 55/GOOD 23 1003 74/GOOD 14 1785 85/GOOD 14 2171 100 MILE 48/FAIR 26 1272 99/GOOD 28 2205 99/GOOD 21 2705 WILLIAMS LAKE 55/GOOD 26 1347 86/GOOD 20 2099 83/GOOD 13 2594 PUNTZI MTN 35/FAIR 16 1240 89/GOOD 19 2234 99/GOOD 21 2748 PRINCE GEORGE 38/FAIR 20 994 71/GOOD 14 1839 99/GOOD 21 2263 BURNS LAKE 52/FAIR 14 1243 68/GOOD 10 2026 98/GOOD 18 2225 SMITHERS 15/POOR 5 731 85/GOOD 15 2023 84/GOOD 14 2102 MCBRIDE 35/FAIR 19 1011 81/GOOD 13 2330 73/GOOD 12 2149 CLEARWATER 15/POOR 16 470 92/GOOD 18 1896 89/GOOD 15 2054 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE S 37 S 41 SMITHERS S 13 S 22 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 11/POOR 8 427 81/GOOD 11 2241 49/FAIR 12 1115 FT ST JOHN 14/POOR 10 789 60/GOOD 9 2034 99/GOOD 46 2189 WHITEHORSE 29/POOR 20 895 57/GOOD 6 2581 56/GOOD 9 1907 DAWSON 13/POOR 14 423 88/GOOD 10 2822 84/GOOD 10 2588 WATSON LAKE 34/FAIR 12 1105 59/GOOD 8 2180 37/FAIR 5 1835 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 0 SW 9 WATSON LAKE E 11 E 13 WHITEHORSE 0 0 SW 11 MAYO SW 9 SW 9 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 17/POOR 8 185 65/GOOD 23 612 45/FAIR 13 605 FRASER VALLEY 25/POOR 16 244 82/GOOD 22 1027 66/GOOD 14 1087 SRN VAN ISLD 12/POOR 5 138 71/GOOD 23 719 33/POOR 12 413 CNTRL VAN ISLD 31/POOR 17 280 69/GOOD 21 747 72/GOOD 14 1222 NRN VAN ISLD 23/POOR 17 174 75/GOOD 19 965 66/GOOD 16 913 TERRACE 18/POOR 12 355 59/GOOD 15 997 59/GOOD 10 1409 STEWART 12/POOR 5 105 66/GOOD 12 1207 44/FAIR 9 826 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 30 S 48 SW 59 SANDSPIT S 17 S 37 S 50 PORT HARDY E 20 E 20 E 26 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/