FPCN39 CWLW 261330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 26 JULY 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. 26-July-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 29/POOR 15 496 99/GOOD 30 1636 99/GOOD 40 1653 KAMLOOPS 10/POOR 3 434 62/GOOD 10 1623 94/GOOD 17 2004 OKANAGAN 12/POOR 7 537 80/GOOD 12 2152 98/GOOD 19 2062 CASTLEGAR 16/POOR 6 704 94/GOOD 12 2807 74/GOOD 8 2695 CRANBROOK 21/POOR 10 1175 90/GOOD 15 2662 86/GOOD 15 2479 REVELSTOKE 12/POOR 5 537 81/GOOD 9 2751 75/GOOD 9 2443 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 N 9 W 13 CRANBROOK NE 13 SW 11 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 7 604 72/GOOD 10 2186 59/GOOD 12 1526 100 MILE 13/POOR 11 1005 84/GOOD 12 2789 64/GOOD 15 1850 WILLIAMS LAKE 12/POOR 6 1030 67/GOOD 12 2166 73/GOOD 15 2086 PUNTZI MTN 21/POOR 6 1273 56/GOOD 10 2010 68/GOOD 18 1752 PRINCE GEORGE 13/POOR 6 798 88/GOOD 12 2720 73/GOOD 10 2407 BURNS LAKE 17/POOR 6 784 85/GOOD 13 2308 86/GOOD 15 2090 SMITHERS 20/POOR 6 879 81/GOOD 13 2128 78/GOOD 14 1903 MCBRIDE 13/POOR 7 834 70/GOOD 8 2692 65/GOOD 10 2127 CLEARWATER 13/POOR 8 486 85/GOOD 10 2669 59/GOOD 10 1567 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 9 W 9 SMITHERS 0 0 W 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 18/POOR 8 589 93/GOOD 12 2636 99/GOOD 14 2636 FT ST JOHN 14/POOR 7 830 60/GOOD 15 1504 74/GOOD 15 1860 WHITEHORSE 48/FAIR 13 1361 76/GOOD 15 1927 93/GOOD 19 2149 DAWSON 23/POOR 6 828 88/GOOD 12 2412 91/GOOD 12 2552 WATSON LAKE 19/POOR 6 1017 80/GOOD 12 2391 97/GOOD 16 2533 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 20 W 24 WATSON LAKE W 22 W 20 WHITEHORSE W 31 NW 22 MAYO 0 0 N 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 14/POOR 4 213 56/GOOD 12 902 75/GOOD 20 902 FRASER VALLEY 23/POOR 14 252 62/GOOD 13 1036 62/GOOD 15 902 SRN VAN ISLD 22/POOR 18 153 56/GOOD 12 919 85/GOOD 25 919 CNTRL VAN ISLD 21/POOR 10 242 58/GOOD 12 976 69/GOOD 15 1048 NRN VAN ISLD 23/POOR 10 295 81/GOOD 32 675 71/GOOD 20 822 TERRACE 21/POOR 6 582 66/GOOD 10 1655 76/GOOD 12 1733 STEWART 19/POOR 9 205 85/GOOD 15 1507 66/GOOD 12 1207 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 0 0 W 9 SANDSPIT N 41 N 24 NW 17 PORT HARDY N 26 NW 24 NW 26 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/