FPCN39 CWLW 271410 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 27 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. 27-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 24/POOR 9 537 63/GOOD 12 1316 43/FAIR 17 655 KAMLOOPS 20/POOR 14 491 64/GOOD 10 1681 86/GOOD 22 1393 OKANAGAN 17/POOR 7 671 56/GOOD 10 1540 80/GOOD 23 1327 CASTLEGAR 18/POOR 8 697 55/GOOD 11 1451 75/GOOD 17 1552 CRANBROOK 40/FAIR 12 1467 57/GOOD 14 1739 69/GOOD 18 1797 REVELSTOKE 53/FAIR 11 1338 48/FAIR 10 1297 49/FAIR 11 1246 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 19 W 19 CRANBROOK W 17 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 17/POOR 14 654 74/GOOD 13 1892 32/POOR 17 813 100 MILE 32/POOR 13 1294 79/GOOD 14 2351 77/GOOD 24 1725 WILLIAMS LAKE 23/POOR 13 1141 85/GOOD 14 2581 36/FAIR 13 1357 PUNTZI MTN 21/POOR 18 1033 85/GOOD 13 2651 99/GOOD 22 2635 PRINCE GEORGE 29/POOR 21 878 71/GOOD 12 2034 61/GOOD 15 1514 BURNS LAKE 36/FAIR 20 985 86/GOOD 13 2492 68/GOOD 16 1656 SMITHERS 16/POOR 11 646 70/GOOD 13 1729 61/GOOD 13 1470 MCBRIDE 65/GOOD 16 1597 58/GOOD 10 1889 65/GOOD 14 1716 CLEARWATER 34/FAIR 14 757 58/GOOD 10 1542 52/FAIR 16 1004 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 35 W 30 SMITHERS SW 52 SW 59 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 36/FAIR 34 541 92/GOOD 20 1715 37/FAIR 9 1009 FT ST JOHN 77/GOOD 38 1184 99/GOOD 22 2102 81/GOOD 11 2565 WHITEHORSE 15/POOR 17 764 90/GOOD 14 2513 83/GOOD 16 2049 DAWSON 20/POOR 21 465 47/FAIR 10 1195 64/GOOD 17 1158 WATSON LAKE 24/POOR 22 822 98/GOOD 15 2709 77/GOOD 14 2037 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 41 SW 43 WATSON LAKE W 33 W 24 WHITEHORSE SE 26 S 15 MAYO 0 0 S 11 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 14 371 49/FAIR 8 1102 37/FAIR 13 436 FRASER VALLEY 16/POOR 11 178 45/FAIR 7 1158 28/POOR 18 269 SRN VAN ISLD 12/POOR 9 76 49/FAIR 8 1119 34/FAIR 11 469 CNTRL VAN ISLD 16/POOR 7 219 34/FAIR 5 1024 49/FAIR 11 818 NRN VAN ISLD 23/POOR 15 205 55/GOOD 15 722 65/GOOD 20 709 TERRACE 32/POOR 14 551 44/FAIR 11 907 64/GOOD 19 923 STEWART 18/POOR 16 112 34/FAIR 10 507 20/POOR 17 126 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 11 S 15 SW 26 SANDSPIT S 41 S 37 S 33 PORT HARDY S 43 S 37 S 44 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/