FPCN39 CWLW 171330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 17 OCTOBER 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. 17-October-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 58/GOOD 25 685 99/GOOD 30 1500 53/FAIR 40 479 KAMLOOPS 18/POOR 5 668 85/GOOD 15 1855 38/FAIR 30 546 OKANAGAN 43/FAIR 12 1065 99/GOOD 25 1956 42/FAIR 35 656 CASTLEGAR 34/FAIR 15 837 99/GOOD 20 2180 37/FAIR 29 695 CRANBROOK 26/POOR 15 1160 99/GOOD 22 2711 74/GOOD 26 1607 REVELSTOKE 24/POOR 8 800 73/GOOD 14 1643 46/FAIR 23 793 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 0 W 46 NW 52 CRANBROOK 0 W 46 NW 56 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 20/POOR 18 664 94/GOOD 18 2082 34/FAIR 25 745 100 MILE 14/POOR 5 1119 99/GOOD 22 2749 61/GOOD 31 1340 WILLIAMS LAKE 13/POOR 5 1096 99/GOOD 19 3018 83/GOOD 26 1775 PUNTZI MTN 20/POOR 10 1108 99/GOOD 21 2474 99/GOOD 38 1801 PRINCE GEORGE 16/POOR 5 955 99/GOOD 22 2158 40/FAIR 24 961 BURNS LAKE 13/POOR 5 877 68/GOOD 15 1718 46/FAIR 20 1108 SMITHERS 19/POOR 5 885 52/FAIR 15 1159 83/GOOD 27 1323 MCBRIDE 37/FAIR 12 1211 58/GOOD 17 1415 38/FAIR 24 980 CLEARWATER 37/FAIR 15 772 62/GOOD 18 1111 37/FAIR 25 626 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 W 44 W 52 SMITHERS 0 W 56 W 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 12/POOR 5 481 37/FAIR 10 952 15/POOR 13 462 FT ST JOHN 42/FAIR 25 978 99/GOOD 34 2726 99/GOOD 33 2235 WHITEHORSE 10/POOR 4 766 41/FAIR 29 937 25/POOR 21 850 DAWSON 18/POOR 7 620 99/GOOD 26 1570 52/FAIR 12 1170 WATSON LAKE 10/POOR 5 729 23/POOR 16 859 45/FAIR 23 1030 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 SW 43 W 48 WATSON LAKE 0 W 43 W 48 WHITEHORSE 0 NW 19 W 19 MAYO 0 0 0 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 29/POOR 15 270 89/GOOD 25 1002 80/GOOD 34 602 FRASER VALLEY 21/POOR 10 278 80/GOOD 20 1058 41/FAIR 33 258 SRN VAN ISLD 18/POOR 8 221 78/GOOD 19 1019 78/GOOD 38 519 CNTRL VAN ISLD 19/POOR 8 250 70/GOOD 15 1082 41/FAIR 33 224 NRN VAN ISLD 19/POOR 8 262 71/GOOD 20 822 84/GOOD 28 822 TERRACE 19/POOR 20 312 60/GOOD 30 617 69/GOOD 19 1017 STEWART 12/POOR 10 57 20/POOR 20 107 70/GOOD 26 607 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 33 W 41 W 54 SANDSPIT W 52 W 54 W 57 PORT HARDY W 50 W 59 W 78 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW