FPCN39 CWLW 271330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 27 APRIL 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. 27-April-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 59/GOOD 18 887 77/GOOD 15 1480 91/GOOD 15 1992 KAMLOOPS 57/GOOD 19 940 78/GOOD 15 1636 99/GOOD 23 3026 OKANAGAN 34/FAIR 16 772 70/GOOD 11 1901 99/GOOD 21 2598 CASTLEGAR 19/POOR 12 643 99/GOOD 16 2558 88/GOOD 15 2112 CRANBROOK 12/POOR 8 1009 96/GOOD 14 3015 94/GOOD 24 2094 REVELSTOKE 26/POOR 13 695 69/GOOD 13 1631 82/GOOD 15 1847 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 31 S 56 CRANBROOK W 26 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 47/FAIR 25 872 99/GOOD 19 2480 99/GOOD 16 3520 100 MILE 70/GOOD 25 1564 99/GOOD 18 2745 99/GOOD 15 3144 WILLIAMS LAKE 33/POOR 24 1136 90/GOOD 15 2654 99/GOOD 15 3147 PUNTZI MTN 37/FAIR 23 1162 99/GOOD 21 2809 99/GOOD 20 3650 PRINCE GEORGE 45/FAIR 26 987 99/GOOD 17 3256 99/GOOD 19 3809 BURNS LAKE 23/POOR 15 729 78/GOOD 15 1828 99/GOOD 18 3291 SMITHERS 63/GOOD 15 1405 72/GOOD 15 1629 99/GOOD 16 2759 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 52 SW 46 SMITHERS S 52 SW 57 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 17 556 99/GOOD 19 2916 99/GOOD 19 3368 FT ST JOHN 25/POOR 21 837 99/GOOD 21 3298 99/GOOD 34 3665 WHITEHORSE 58/GOOD 20 1281 99/GOOD 20 2332 99/GOOD 19 2848 DAWSON 39/FAIR 25 615 56/GOOD 9 1570 50/FAIR 6 1870 WATSON LAKE 37/FAIR 21 960 99/GOOD 24 3115 99/GOOD 16 3255 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 46 S 61 WATSON LAKE SW 46 SW 41 WHITEHORSE SW 46 SW 46 MAYO SE 20 E 17 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 10/POOR 2 126 53/FAIR 11 902 67/GOOD 17 869 FRASER VALLEY 23/POOR 9 357 61/GOOD 14 958 86/GOOD 14 1731 SRN VAN ISLD 10/POOR 3 106 75/GOOD 20 919 57/GOOD 20 574 CNTRL VAN ISLD 26/POOR 12 297 65/GOOD 14 1025 72/GOOD 16 1067 NRN VAN ISLD 31/POOR 20 243 66/GOOD 18 806 99/GOOD 22 1479 TERRACE 49/FAIR 14 851 56/GOOD 9 1417 83/GOOD 14 1770 STEWART 21/POOR 16 153 56/GOOD 9 1207 55/GOOD 13 807 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 19 S 37 S 56 SANDSPIT S 46 S 46 S 61 PORT HARDY S 44 S 43 S 57 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL