FPCN39 CWLW 221330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 22 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. 22-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 46/FAIR 22 598 78/GOOD 40 714 94/GOOD 17 1879 KAMLOOPS 73/GOOD 23 1083 46/FAIR 10 1146 99/GOOD 24 2483 OKANAGAN 57/GOOD 21 981 45/FAIR 10 1239 89/GOOD 15 2127 CASTLEGAR 48/FAIR 14 1112 51/FAIR 10 1424 60/GOOD 13 1436 CRANBROOK 50/FAIR 16 1514 57/GOOD 12 1871 99/GOOD 22 2543 REVELSTOKE 31/POOR 14 762 33/POOR 13 808 37/FAIR 8 1146 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 39 SW 52 CRANBROOK SW 30 SW 70 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 48/FAIR 35 790 60/GOOD 25 1032 99/GOOD 18 2755 100 MILE 79/GOOD 34 1518 99/GOOD 33 2368 99/GOOD 23 3156 WILLIAMS LAKE 63/GOOD 34 1332 99/GOOD 30 2315 99/GOOD 17 3187 PUNTZI MTN 34/FAIR 22 1141 99/GOOD 24 2195 99/GOOD 23 2865 PRINCE GEORGE 27/POOR 33 794 60/GOOD 15 1494 95/GOOD 14 2731 BURNS LAKE 62/GOOD 32 942 99/GOOD 24 2421 99/GOOD 20 2419 SMITHERS 45/FAIR 11 1233 99/GOOD 21 2459 75/GOOD 17 1566 MCBRIDE 67/GOOD 18 1551 85/GOOD 16 2152 66/GOOD 12 1909 CLEARWATER 58/GOOD 20 964 69/GOOD 17 1298 97/GOOD 17 2147 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE S 57 S 35 SMITHERS S 52 S 67 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 60/GOOD 24 892 38/FAIR 11 928 50/FAIR 6 1911 FT ST JOHN 63/GOOD 20 1358 99/GOOD 22 2889 99/GOOD 28 2971 WHITEHORSE 61/GOOD 18 1400 68/GOOD 13 1843 69/GOOD 9 2428 DAWSON 35/FAIR 24 592 93/GOOD 10 3132 65/GOOD 9 1904 WATSON LAKE 72/GOOD 28 1279 64/GOOD 21 1337 34/FAIR 5 1690 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SE 44 SE 33 WATSON LAKE SE 50 SE 28 WHITEHORSE E 31 E 41 MAYO SE 22 E 30 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 54/FAIR 55 186 39/FAIR 37 172 62/GOOD 21 616 FRASER VALLEY 35/FAIR 34 210 31/POOR 28 213 72/GOOD 15 1155 SRN VAN ISLD 38/FAIR 39 174 28/POOR 20 201 68/GOOD 15 1019 CNTRL VAN ISLD 51/FAIR 31 326 66/GOOD 21 699 74/GOOD 21 848 NRN VAN ISLD 27/POOR 32 130 56/GOOD 24 469 65/GOOD 14 1022 TERRACE 61/GOOD 16 1002 70/GOOD 11 1655 56/GOOD 16 902 STEWART 37/FAIR 9 644 48/FAIR 11 771 25/POOR 13 250 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 56 SW 56 S 59 SANDSPIT S 59 S 76 S 74 PORT HARDY SE 54 SE 48 S 43 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MtnWC