FPCN39 CWLW 181330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 18 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. 18-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 44/FAIR 25 525 99/GOOD 30 1944 79/GOOD 11 2032 KAMLOOPS 61/GOOD 22 920 99/GOOD 16 2417 70/GOOD 7 2576 OKANAGAN 38/FAIR 17 803 99/GOOD 17 2357 78/GOOD 10 2370 CASTLEGAR 20/POOR 13 647 86/GOOD 12 2442 80/GOOD 10 2527 CRANBROOK 10/POOR 4 973 99/GOOD 16 2950 99/GOOD 16 3162 REVELSTOKE 12/POOR 10 496 90/GOOD 11 2760 64/GOOD 8 2121 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 26 W 15 CRANBROOK SW 15 SW 20 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 32/POOR 15 856 58/GOOD 8 1968 47/FAIR 5 2174 100 MILE 68/GOOD 23 1584 74/GOOD 9 2853 57/GOOD 6 2803 WILLIAMS LAKE 45/FAIR 15 1463 78/GOOD 10 2883 51/FAIR 5 2833 PUNTZI MTN 43/FAIR 19 1296 99/GOOD 20 2681 72/GOOD 9 2735 PRINCE GEORGE 23/POOR 20 824 73/GOOD 14 1912 71/GOOD 12 2042 BURNS LAKE 17/POOR 20 786 93/GOOD 19 2163 53/FAIR 14 1422 SMITHERS 18/POOR 13 657 50/FAIR 16 1099 19/POOR 10 713 MCBRIDE 28/POOR 12 1034 53/FAIR 11 1624 49/FAIR 9 1719 CLEARWATER 35/FAIR 21 649 76/GOOD 10 2240 65/GOOD 8 2149 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 19 SW 35 SMITHERS SW 44 SW 48 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 11/POOR 15 411 48/FAIR 19 838 51/FAIR 15 1007 FT ST JOHN 17/POOR 14 805 99/GOOD 34 2499 99/GOOD 19 3204 WHITEHORSE 22/POOR 8 1013 14/POOR 14 764 52/FAIR 8 1922 DAWSON 25/POOR 22 514 54/FAIR 8 1645 50/FAIR 12 1121 WATSON LAKE 24/POOR 20 836 28/POOR 15 936 28/POOR 9 1113 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 15 S 31 WATSON LAKE SW 9 SE 28 WHITEHORSE SW 19 SE 17 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 13/POOR 3 216 40/FAIR 16 412 46/FAIR 10 791 FRASER VALLEY 20/POOR 9 290 35/FAIR 11 545 45/FAIR 10 834 SRN VAN ISLD 26/POOR 16 230 27/POOR 15 258 17/POOR 5 334 CNTRL VAN ISLD 24/POOR 13 241 33/POOR 7 710 43/FAIR 7 1052 NRN VAN ISLD 12/POOR 14 65 26/POOR 11 329 18/POOR 12 155 TERRACE 19/POOR 15 347 12/POOR 15 258 11/POOR 11 255 STEWART 15/POOR 14 83 16/POOR 13 105 12/POOR 13 54 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 W 20 W 31 SANDSPIT SW 22 SW 30 SW 44 PORT HARDY SW 46 SW 44 SW 46 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/