FPCN39 CWLW 051417 AMD REVISED SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 5 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. 05-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 19/POOR 14 359 50/FAIR 8 2129 71/GOOD 10 1850 KAMLOOPS 16/POOR 12 454 50/FAIR 13 1746 89/GOOD 14 2140 OKANAGAN 21/POOR 19 571 50/FAIR 10 1706 82/GOOD 13 2099 CASTLEGAR 22/POOR 14 665 50/FAIR 10 1870 84/GOOD 13 2187 CRANBROOK 12/POOR 4 1087 50/FAIR 10 2209 99/GOOD 22 2710 REVELSTOKE 12/POOR 7 519 50/FAIR 7 2043 90/GOOD 15 2147 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SE 35 SE 11 CRANBROOK SW 15 N 15 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 22 639 50/FAIR 12 1495 84/GOOD 16 1941 100 MILE 18/POOR 20 1020 50/FAIR 12 1940 99/GOOD 19 2607 WILLIAMS LAKE 20/POOR 19 1044 50/FAIR 15 1691 89/GOOD 14 2726 PUNTZI MTN 10/POOR 1 1004 37/FAIR 7 1721 70/GOOD 12 2211 PRINCE GEORGE 18/POOR 16 790 50/FAIR 16 1416 99/GOOD 22 2135 BURNS LAKE 21/POOR 20 829 50/FAIR 12 1616 96/GOOD 22 2043 SMITHERS 23/POOR 21 649 50/FAIR 10 1643 51/FAIR 19 1010 MCBRIDE 12/POOR 11 776 47/FAIR 10 1555 78/GOOD 17 1853 CLEARWATER 11/POOR 10 428 45/FAIR 10 1164 81/GOOD 15 1774 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 9 NW 15 SMITHERS S 30 S 28 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 15/POOR 14 457 43/FAIR 12 993 99/GOOD 36 2197 FT ST JOHN 24/POOR 23 819 72/GOOD 22 1457 99/GOOD 41 2381 WHITEHORSE 15/POOR 17 769 72/GOOD 18 1623 91/GOOD 25 1738 DAWSON 13/POOR 22 406 75/GOOD 20 1260 99/GOOD 27 1970 WATSON LAKE 9/POOR 1 733 43/FAIR 10 1410 99/GOOD 34 2297 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 19 S 17 WATSON LAKE 0 0 W 11 WHITEHORSE S 35 S 35 MAYO S 24 SW 24 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 22/POOR 32 81 30/POOR 6 702 73/GOOD 21 802 FRASER VALLEY 26/POOR 23 203 30/POOR 6 741 56/GOOD 12 964 SRN VAN ISLD 17/POOR 21 92 22/POOR 5 519 52/FAIR 12 819 CNTRL VAN ISLD 20/POOR 26 103 17/POOR 5 324 43/FAIR 12 622 NRN VAN ISLD 22/POOR 32 98 25/POOR 12 285 40/FAIR 8 843 TERRACE 14/POOR 15 278 55/GOOD 14 967 75/GOOD 12 1717 STEWART 17/POOR 20 80 54/FAIR 13 787 85/GOOD 15 1507 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SE 22 SE 20 SE 19 SANDSPIT S 43 SE 22 S 28 PORT HARDY S 54 S 61 S 52 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/