FPCN39 CWLW 291330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 29 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. 29-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 75/GOOD 20 1125 58/GOOD 10 1375 65/GOOD 10 1626 KAMLOOPS 35/FAIR 5 1383 73/GOOD 10 2048 90/GOOD 15 2036 OKANAGAN 32/POOR 5 1374 70/GOOD 10 2052 82/GOOD 13 2101 CASTLEGAR 30/POOR 5 1304 58/GOOD 8 1941 75/GOOD 12 1976 CRANBROOK 32/POOR 5 1840 99/GOOD 18 2809 72/GOOD 9 2778 REVELSTOKE 31/POOR 5 1312 64/GOOD 10 1800 52/FAIR 9 1523 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 33 NW 19 CRANBROOK W 39 W 41 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 20/POOR 3 1205 39/FAIR 5 1789 82/GOOD 12 2329 100 MILE 33/POOR 5 1882 50/FAIR 5 2760 93/GOOD 16 2654 WILLIAMS LAKE 24/POOR 5 1525 62/GOOD 10 2223 82/GOOD 12 2684 PUNTZI MTN 27/POOR 5 1601 91/GOOD 15 2638 99/GOOD 16 2909 PRINCE GEORGE 26/POOR 5 1357 40/FAIR 5 1966 83/GOOD 15 2121 BURNS LAKE 30/POOR 5 1358 73/GOOD 10 2264 99/GOOD 20 2131 SMITHERS 27/POOR 5 1216 66/GOOD 10 1942 92/GOOD 19 1936 MCBRIDE 20/POOR 5 1127 20/POOR 5 1130 57/GOOD 11 1732 CLEARWATER 32/POOR 5 1311 68/GOOD 10 1887 93/GOOD 16 2096 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE N 28 NW 31 SMITHERS NW 33 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 5 574 96/GOOD 16 2216 99/GOOD 21 2095 FT ST JOHN 21/POOR 5 1130 99/GOOD 20 2730 99/GOOD 20 2332 WHITEHORSE 24/POOR 5 1273 99/GOOD 23 2248 96/GOOD 20 2170 DAWSON 22/POOR 5 845 84/GOOD 25 1253 65/GOOD 19 1106 WATSON LAKE 13/POOR 5 820 99/GOOD 25 2037 99/GOOD 20 2261 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 20 W 26 WATSON LAKE W 19 W 22 WHITEHORSE W 35 W 19 MAYO W 41 W 44 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 5 644 42/FAIR 10 702 26/POOR 8 424 FRASER VALLEY 28/POOR 5 811 53/FAIR 10 1045 60/GOOD 14 933 SRN VAN ISLD 21/POOR 5 485 34/FAIR 10 519 34/FAIR 18 299 CNTRL VAN ISLD 22/POOR 5 527 46/FAIR 10 829 32/POOR 5 950 NRN VAN ISLD 20/POOR 5 416 77/GOOD 24 796 77/GOOD 26 735 TERRACE 26/POOR 5 862 62/GOOD 10 1481 70/GOOD 12 1514 STEWART 34/FAIR 10 516 48/FAIR 12 727 59/GOOD 12 981 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 24 W 15 NW 15 SANDSPIT NW 19 N 28 N 20 PORT HARDY NW 15 NW 19 NW 19 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/