FPCN39 CWLW 301330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 30 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. 30-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 25/POOR 15 428 70/GOOD 11 1658 88/GOOD 18 1594 KAMLOOPS 14/POOR 7 466 80/GOOD 11 2195 99/GOOD 23 2022 OKANAGAN 15/POOR 9 570 91/GOOD 12 2633 92/GOOD 14 2354 CASTLEGAR 13/POOR 8 586 97/GOOD 13 2790 96/GOOD 13 2732 CRANBROOK 27/POOR 15 1177 96/GOOD 13 3203 99/GOOD 20 3150 REVELSTOKE 12/POOR 8 503 52/FAIR 8 1637 72/GOOD 12 1829 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 20 S 28 CRANBROOK S 17 SW 28 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 11/POOR 14 576 30/POOR 8 1058 96/GOOD 17 2278 100 MILE 18/POOR 18 1034 37/FAIR 6 1881 99/GOOD 21 2984 WILLIAMS LAKE 15/POOR 12 1038 35/FAIR 7 1681 96/GOOD 14 3035 PUNTZI MTN 20/POOR 18 1020 84/GOOD 16 2283 99/GOOD 23 2532 PRINCE GEORGE 11/POOR 9 725 25/POOR 10 1000 85/GOOD 14 2312 BURNS LAKE 12/POOR 14 583 42/FAIR 13 1083 99/GOOD 23 2012 SMITHERS 12/POOR 19 555 18/POOR 11 670 96/GOOD 19 2065 MCBRIDE 18/POOR 17 826 77/GOOD 12 2295 71/GOOD 14 1889 CLEARWATER 17/POOR 18 481 72/GOOD 11 1903 87/GOOD 16 1880 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 13 SW 30 SMITHERS S 33 S 44 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 17/POOR 11 512 64/GOOD 20 1058 41/FAIR 8 1206 FT ST JOHN 17/POOR 14 803 89/GOOD 14 2462 99/GOOD 31 2832 WHITEHORSE 34/FAIR 22 935 40/FAIR 16 1113 93/GOOD 18 2220 DAWSON 58/GOOD 29 764 98/GOOD 26 1550 83/GOOD 9 2763 WATSON LAKE 20/POOR 21 791 62/GOOD 17 1445 77/GOOD 11 2383 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 39 S 37 WATSON LAKE S 22 S 35 WHITEHORSE S 46 S 56 MAYO S 28 SE 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 11/POOR 6 51 22/POOR 8 307 35/FAIR 9 588 FRASER VALLEY 11/POOR 7 113 54/FAIR 12 910 55/GOOD 12 936 SRN VAN ISLD 16/POOR 14 109 24/POOR 16 195 23/POOR 10 286 CNTRL VAN ISLD 13/POOR 7 117 31/POOR 8 581 36/FAIR 6 951 NRN VAN ISLD 17/POOR 22 86 12/POOR 14 65 63/GOOD 21 642 TERRACE 21/POOR 15 366 34/FAIR 14 574 68/GOOD 18 1039 STEWART 31/POOR 18 250 22/POOR 10 263 47/FAIR 17 495 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 9 SW 19 SW 26 SANDSPIT S 19 S 31 SW 43 PORT HARDY SW 28 SW 33 S 52 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/