FPCN39 CWLW 261330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 26 SEPTEMBER 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-September-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 45/FAIR 17 686 65/GOOD 16 1100 68/GOOD 13 1394 KAMLOOPS 46/FAIR 20 742 73/GOOD 19 1233 81/GOOD 13 1922 OKANAGAN 47/FAIR 17 941 87/GOOD 27 1332 64/GOOD 10 1820 CASTLEGAR 30/POOR 17 735 66/GOOD 19 1246 38/FAIR 6 1474 CRANBROOK 31/POOR 24 1125 67/GOOD 21 1628 33/POOR 5 1899 REVELSTOKE 24/POOR 14 644 52/FAIR 17 1007 32/POOR 5 1370 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 28 W 35 CRANBROOK SW 43 W 44 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 26/POOR 13 803 70/GOOD 18 1416 65/GOOD 25 1099 100 MILE 51/FAIR 16 1527 83/GOOD 25 1802 97/GOOD 25 2121 WILLIAMS LAKE 56/GOOD 16 1625 83/GOOD 22 1920 99/GOOD 25 2219 PUNTZI MTN 35/FAIR 12 1348 63/GOOD 15 1785 86/GOOD 23 1914 PRINCE GEORGE 15/POOR 12 783 44/FAIR 11 1362 99/GOOD 25 1949 BURNS LAKE 14/POOR 10 815 74/GOOD 14 1947 94/GOOD 28 1706 SMITHERS 10/POOR 6 549 76/GOOD 14 1822 79/GOOD 22 1416 MCBRIDE 22/POOR 9 1000 50/FAIR 12 1486 65/GOOD 13 1805 CLEARWATER 30/POOR 13 716 68/GOOD 17 1286 63/GOOD 13 1397 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 28 SW 33 SMITHERS SW 35 SW 56 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 13/POOR 14 434 11/POOR 26 395 80/GOOD 16 1636 FT ST JOHN 25/POOR 21 845 11/POOR 22 712 95/GOOD 20 2135 WHITEHORSE 14/POOR 15 760 60/GOOD 10 1920 89/GOOD 15 2384 DAWSON 13/POOR 11 432 50/FAIR 8 1516 58/GOOD 8 1806 WATSON LAKE 18/POOR 13 817 60/GOOD 9 2035 69/GOOD 8 2631 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 24 SW 28 WATSON LAKE SE 15 S 17 WHITEHORSE SE 17 S 19 MAYO S 17 S 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 35/FAIR 23 230 45/FAIR 32 242 63/GOOD 24 551 FRASER VALLEY 26/POOR 22 205 42/FAIR 30 289 68/GOOD 15 1066 SRN VAN ISLD 26/POOR 16 229 39/FAIR 28 243 65/GOOD 21 673 CNTRL VAN ISLD 29/POOR 21 207 18/POOR 28 84 71/GOOD 24 697 NRN VAN ISLD 17/POOR 8 208 62/GOOD 17 771 78/GOOD 34 585 TERRACE 27/POOR 9 598 58/GOOD 11 1269 56/GOOD 17 863 STEWART 17/POOR 10 154 55/GOOD 14 756 61/GOOD 18 709 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 33 SW 26 SW 28 SANDSPIT SW 17 SW 30 S 52 PORT HARDY S 61 S 56 S 52 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/gf