FPCN39 CWLW 251338 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 25 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. 25-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 55/GOOD 20 756 70/GOOD 20 1020 65/GOOD 13 1303 KAMLOOPS 22/POOR 5 837 44/FAIR 10 1085 67/GOOD 11 1660 OKANAGAN 23/POOR 6 892 65/GOOD 8 2170 63/GOOD 9 1921 CASTLEGAR 21/POOR 7 805 54/FAIR 7 1945 65/GOOD 9 2051 CRANBROOK 29/POOR 8 1429 85/GOOD 13 2691 99/GOOD 16 2911 REVELSTOKE 23/POOR 8 775 50/FAIR 8 1576 59/GOOD 9 1760 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 28 W 39 CRANBROOK W 20 W 33 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 79/GOOD 21 1478 89/GOOD 20 1799 70/GOOD 11 1992 100 MILE 49/FAIR 18 1428 49/FAIR 15 1519 74/GOOD 12 2396 WILLIAMS LAKE 57/GOOD 19 1520 71/GOOD 16 1953 65/GOOD 9 2487 PUNTZI MTN 29/POOR 19 1122 64/GOOD 14 1871 79/GOOD 16 2153 PRINCE GEORGE 65/GOOD 15 1624 99/GOOD 21 2216 43/FAIR 6 1908 BURNS LAKE 79/GOOD 25 1333 90/GOOD 22 1714 52/FAIR 18 1084 SMITHERS 62/GOOD 21 1125 65/GOOD 16 1381 47/FAIR 17 1010 MCBRIDE 54/FAIR 14 1460 48/FAIR 11 1499 54/FAIR 9 1866 CLEARWATER 32/POOR 11 804 39/FAIR 8 1187 65/GOOD 10 1790 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 35 W 39 SMITHERS S 63 SW 83 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 35/FAIR 30 555 89/GOOD 15 2065 70/GOOD 9 2148 FT ST JOHN 69/GOOD 26 1287 99/GOOD 31 2625 99/GOOD 30 2029 WHITEHORSE 25/POOR 13 937 96/GOOD 21 2081 78/GOOD 13 2195 DAWSON 7/POOR -1 770 35/FAIR 4 1657 78/GOOD 13 1837 WATSON LAKE 23/POOR 17 844 91/GOOD 17 2225 87/GOOD 13 2533 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 30 S 22 WATSON LAKE W 20 SW 13 WHITEHORSE SW 11 S 13 MAYO 0 0 0 0 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 12/POOR 4 155 22/POOR 8 307 17/POOR 4 394 FRASER VALLEY 12/POOR 6 163 28/POOR 5 789 41/FAIR 8 892 SRN VAN ISLD 12/POOR 7 100 20/POOR 9 250 16/POOR 5 263 CNTRL VAN ISLD 12/POOR 4 145 28/POOR 6 652 25/POOR 4 802 NRN VAN ISLD 11/POOR 32 34 10/POOR 26 27 39/FAIR 24 281 TERRACE 43/FAIR 24 519 47/FAIR 16 734 37/FAIR 19 517 STEWART 38/FAIR 16 377 37/FAIR 13 448 22/POOR 10 263 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 9 SW 22 SW 50 SANDSPIT S 67 SW 57 SW 50 PORT HARDY SW 54 SW 59 SW 63 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/