FPCN39 CWLW 211430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 21 MARCH 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. SOUTHERN INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FRASER CANYON 33/FAIR 16 532 75/GOOD 14 1498 61/GOOD 10 1480 KAMLOOPS 48/FAIR 17 845 78/GOOD 12 1929 65/GOOD 9 1871 OKANAGAN 48/FAIR 11 1229 87/GOOD 16 1948 66/GOOD 9 2026 CASTLEGAR 45/FAIR 11 1192 87/GOOD 16 1975 77/GOOD 12 2060 CRANBROOK 34/FAIR 12 1364 98/GOOD 21 2376 94/GOOD 17 2587 REVELSTOKE 55/GOOD 10 1502 79/GOOD 13 1976 78/GOOD 12 2045 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 26 W 43 CRANBROOK W 19 W 52 CENTRAL INTERIOR TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M QUESNEL 54/GOOD 15 1234 84/GOOD 12 2407 76/GOOD 9 2576 100 MILE 53/FAIR 17 1518 82/GOOD 14 2466 79/GOOD 12 2585 WILLIAMS LAKE 53/FAIR 18 1490 80/GOOD 12 2625 70/GOOD 8 2918 PUNTZI MTN 63/GOOD 20 1563 97/GOOD 18 2552 68/GOOD 8 2801 PRINCE GEORGE 97/GOOD 20 2166 94/GOOD 15 2574 93/GOOD 13 2804 BURNS LAKE 91/GOOD 21 1800 99/GOOD 22 2502 95/GOOD 13 2763 SMITHERS 81/GOOD 18 1666 99/GOOD 20 2195 83/GOOD 11 2485 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 41 W 46 SMITHERS W 37 W 57 NORTHERN BC/YUKON TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M FORT NELSON 45/FAIR 13 985 53/FAIR 10 1382 65/GOOD 10 1753 FT ST JOHN 46/FAIR 15 1220 41/FAIR 8 1540 61/GOOD 13 1646 WHITEHORSE 23/POOR 17 854 53/FAIR 10 1703 50/FAIR 12 1462 DAWSON 16/POOR 18 439 30/POOR 11 755 57/GOOD 12 1290 WATSON LAKE 43/FAIR 13 1244 42/FAIR 4 2409 26/POOR 2 2295 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE N 9 W 19 WATSON LAKE E 15 N 11 WHITEHORSE N 28 N 37 MAYO NE 17 N 28 COAST TODAY TOMORROW 7:00 AM 4:00 PM 7:00 AM VI WND MXG HT VI WND MXG HT VI WND MXG HT KM/H M KM/H M KM/H M VANCOUVER 45/FAIR 19 409 73/GOOD 23 744 65/GOOD 14 1002 FRASER VALLEY 22/POOR 6 453 68/GOOD 13 1225 56/GOOD 10 1158 SRN VAN ISLD 37/FAIR 21 287 68/GOOD 15 1019 60/GOOD 12 1019 CNTRL VAN ISLD 59/GOOD 21 592 60/GOOD 12 1024 53/FAIR 10 1024 NRN VAN ISLD 51/FAIR 16 612 99/GOOD 24 1339 57/GOOD 9 1252 TERRACE 59/GOOD 11 1296 85/GOOD 14 1826 56/GOOD 5 2413 STEWART 44/FAIR 10 757 73/GOOD 12 1407 60/GOOD 8 1507 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER N 9 W 19 W 50 SANDSPIT NW 22 NW 31 W 59 PORT HARDY NW 28 W 44 W 54 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL