FPCN39 CWLW 221330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 22 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. 22-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 46/FAIR 16 729 71/GOOD 14 1372 68/GOOD 17 1111 KAMLOOPS 46/FAIR 17 818 86/GOOD 16 1814 83/GOOD 22 1325 OKANAGAN 16/POOR 12 570 91/GOOD 17 2005 84/GOOD 17 1756 CASTLEGAR 16/POOR 13 599 63/GOOD 9 1964 83/GOOD 13 2144 CRANBROOK 11/POOR 4 1049 59/GOOD 9 2249 87/GOOD 14 2629 REVELSTOKE 30/POOR 11 813 52/FAIR 9 1512 85/GOOD 16 1875 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 9 W 26 CRANBROOK SW 11 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 34/FAIR 20 795 42/FAIR 26 817 30/POOR 21 745 100 MILE 68/GOOD 26 1518 83/GOOD 20 2028 79/GOOD 20 1923 WILLIAMS LAKE 68/GOOD 25 1537 78/GOOD 20 1899 97/GOOD 20 2440 PUNTZI MTN 71/GOOD 24 1583 92/GOOD 20 2250 97/GOOD 20 2410 PRINCE GEORGE 29/POOR 20 891 36/FAIR 20 962 68/GOOD 14 1759 BURNS LAKE 42/FAIR 20 1068 43/FAIR 18 1115 64/GOOD 17 1515 SMITHERS 18/POOR 20 603 46/FAIR 20 923 60/GOOD 15 1323 MCBRIDE 30/POOR 21 930 36/FAIR 16 1079 60/GOOD 15 1530 CLEARWATER 48/FAIR 17 900 56/GOOD 15 1120 64/GOOD 17 1196 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 44 SW 37 SMITHERS SW 74 SW 69 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 28 598 53/FAIR 21 850 48/FAIR 11 1162 FT ST JOHN 40/FAIR 24 965 93/GOOD 21 1987 99/GOOD 22 2544 WHITEHORSE 48/FAIR 27 1014 88/GOOD 21 1864 98/GOOD 23 2027 DAWSON 50/FAIR 28 691 63/GOOD 16 1182 93/GOOD 19 1820 WATSON LAKE 28/POOR 25 841 76/GOOD 13 2110 98/GOOD 18 2392 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 52 SW 74 WATSON LAKE SW 52 SW 59 WHITEHORSE S 67 SW 85 MAYO S 70 S 52 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 27/POOR 20 173 29/POOR 20 202 30/POOR 15 273 FRASER VALLEY 20/POOR 15 189 36/FAIR 20 328 43/FAIR 15 534 SRN VAN ISLD 12/POOR 6 118 29/POOR 20 219 32/POOR 15 319 CNTRL VAN ISLD 21/POOR 14 186 26/POOR 10 350 45/FAIR 14 570 NRN VAN ISLD 48/FAIR 33 284 12/POOR 34 39 9/POOR 5 25 TERRACE 13/POOR 25 248 10/POOR 25 225 20/POOR 5 640 STEWART 11/POOR 21 21 9/POOR 29 10 16/POOR 8 160 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 13 SW 26 SW 37 SANDSPIT S 59 SW 44 SW 39 PORT HARDY SW 39 S 57 S 74 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/