FPCN39 CWLW 241330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 24 AUGUST 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. 24-August-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 72/GOOD 15 1334 82/GOOD 15 1627 41/FAIR 9 972 KAMLOOPS 86/GOOD 18 1648 99/GOOD 16 2269 73/GOOD 14 1558 OKANAGAN 83/GOOD 14 2004 91/GOOD 12 2645 44/FAIR 6 1688 CASTLEGAR 72/GOOD 12 1890 86/GOOD 11 2628 61/GOOD 7 2295 CRANBROOK 90/GOOD 16 2534 99/GOOD 17 3153 99/GOOD 18 2994 REVELSTOKE 63/GOOD 12 1543 77/GOOD 12 2016 42/FAIR 7 1443 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 30 W 50 CRANBROOK W 26 W 35 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 56/GOOD 20 1095 89/GOOD 14 2336 99/GOOD 25 1849 100 MILE 85/GOOD 25 1858 99/GOOD 17 2801 76/GOOD 21 1815 WILLIAMS LAKE 38/FAIR 20 1236 73/GOOD 9 2816 84/GOOD 19 2110 PUNTZI MTN 51/FAIR 19 1406 83/GOOD 16 2265 98/GOOD 25 2132 PRINCE GEORGE 68/GOOD 21 1404 90/GOOD 15 2394 78/GOOD 19 1710 BURNS LAKE 56/GOOD 22 1037 75/GOOD 15 1749 81/GOOD 17 1762 SMITHERS 70/GOOD 16 1503 71/GOOD 12 1869 66/GOOD 10 1948 MCBRIDE 61/GOOD 15 1556 75/GOOD 15 1912 69/GOOD 16 1702 CLEARWATER 77/GOOD 17 1511 79/GOOD 13 1910 55/GOOD 11 1349 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 46 W 43 SMITHERS SW 50 SW 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 24/POOR 24 505 99/GOOD 27 2500 75/GOOD 11 1991 FT ST JOHN 71/GOOD 34 1174 99/GOOD 38 3016 99/GOOD 34 2464 WHITEHORSE 51/FAIR 21 1150 88/GOOD 15 2317 94/GOOD 17 2362 DAWSON 21/POOR 12 555 24/POOR 6 864 46/FAIR 6 1714 WATSON LAKE 13/POOR 11 763 99/GOOD 20 2665 66/GOOD 8 2483 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 33 SW 30 WATSON LAKE W 17 W 17 WHITEHORSE SW 19 S 22 MAYO S 22 S 28 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 64/GOOD 19 715 48/FAIR 12 702 17/POOR 9 170 FRASER VALLEY 63/GOOD 16 888 52/FAIR 8 1252 20/POOR 10 267 SRN VAN ISLD 44/FAIR 13 599 42/FAIR 12 599 19/POOR 9 220 CNTRL VAN ISLD 50/FAIR 17 556 41/FAIR 10 705 30/POOR 8 553 NRN VAN ISLD 30/POOR 21 224 49/FAIR 27 345 13/POOR 32 44 TERRACE 58/GOOD 17 893 48/FAIR 13 863 46/FAIR 9 1106 STEWART 43/FAIR 14 529 38/FAIR 12 510 36/FAIR 12 465 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 19 SW 26 SW 35 SANDSPIT S 41 SW 44 SW 39 PORT HARDY S 46 SW 37 SW 33 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/