FPCN39 CWLW 011330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 1 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. 01-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 78/GOOD 22 1109 98/GOOD 19 1826 84/GOOD 16 1630 KAMLOOPS 87/GOOD 21 1469 99/GOOD 27 2231 93/GOOD 18 1882 OKANAGAN 52/FAIR 15 1107 99/GOOD 23 2360 89/GOOD 13 2377 CASTLEGAR 61/GOOD 13 1450 99/GOOD 19 2844 99/GOOD 19 2473 CRANBROOK 85/GOOD 21 2010 99/GOOD 27 3124 99/GOOD 25 3177 REVELSTOKE 53/FAIR 14 1153 89/GOOD 19 1752 68/GOOD 10 1933 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 28 SW 78 CRANBROOK SW 43 SW 80 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 28 1248 99/GOOD 28 2913 73/GOOD 17 1555 100 MILE 96/GOOD 27 2023 99/GOOD 29 3410 87/GOOD 18 2274 WILLIAMS LAKE 87/GOOD 26 1867 99/GOOD 28 3480 84/GOOD 17 2247 PUNTZI MTN 25/POOR 30 1011 99/GOOD 34 2794 69/GOOD 18 1762 PRINCE GEORGE 61/GOOD 27 1147 99/GOOD 30 2702 87/GOOD 21 1822 BURNS LAKE 96/GOOD 24 1758 99/GOOD 39 1900 70/GOOD 18 1418 SMITHERS 69/GOOD 19 1323 97/GOOD 32 1447 68/GOOD 14 1581 MCBRIDE 54/FAIR 16 1370 84/GOOD 18 1979 60/GOOD 12 1730 CLEARWATER 75/GOOD 18 1390 99/GOOD 23 2599 67/GOOD 13 1514 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 67 SW 72 SMITHERS S 59 S 93 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 38/FAIR 16 754 99/GOOD 22 2559 99/GOOD 15 2667 FT ST JOHN 73/GOOD 25 1372 99/GOOD 38 2999 99/GOOD 26 2639 WHITEHORSE 66/GOOD 19 1459 82/GOOD 14 2223 92/GOOD 21 1990 DAWSON 13/POOR 12 432 88/GOOD 12 2404 29/POOR 18 583 WATSON LAKE 56/GOOD 16 1360 87/GOOD 14 2379 99/GOOD 26 2055 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 48 S 61 WATSON LAKE S 31 SW 19 WHITEHORSE SE 28 SE 24 MAYO NE 15 E 19 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 54/GOOD 22 470 55/GOOD 13 808 55/GOOD 15 702 FRASER VALLEY 57/GOOD 24 528 85/GOOD 17 1405 61/GOOD 13 1007 SRN VAN ISLD 33/POOR 19 267 78/GOOD 19 1019 59/GOOD 17 719 CNTRL VAN ISLD 56/GOOD 25 463 71/GOOD 15 1114 67/GOOD 17 882 NRN VAN ISLD 49/FAIR 25 375 87/GOOD 24 1022 39/FAIR 19 346 TERRACE 42/FAIR 20 569 94/GOOD 28 1217 47/FAIR 13 844 STEWART 42/FAIR 21 340 80/GOOD 20 1007 38/FAIR 13 463 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 43 SW 61 W 81 SANDSPIT SW 57 SW 57 SW 56 PORT HARDY SW 81 SW 80 SW 81 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MtnWC