FPCN39 CWLW 131330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 13 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. 13-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 44/FAIR 15 730 83/GOOD 15 1660 67/GOOD 10 1686 KAMLOOPS 61/GOOD 18 1037 65/GOOD 12 1491 81/GOOD 9 2659 OKANAGAN 56/GOOD 15 1184 83/GOOD 20 1545 68/GOOD 7 2606 CASTLEGAR 67/GOOD 13 1629 82/GOOD 15 1892 72/GOOD 8 2557 CRANBROOK 33/FAIR 15 1262 99/GOOD 19 2727 85/GOOD 15 2441 REVELSTOKE 43/FAIR 10 1158 59/GOOD 11 1529 67/GOOD 8 2275 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 15 W 24 CRANBROOK W 11 W 30 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 58/GOOD 24 1029 72/GOOD 10 2205 56/GOOD 7 2094 100 MILE 61/GOOD 20 1557 69/GOOD 19 1759 98/GOOD 16 2828 WILLIAMS LAKE 75/GOOD 21 1782 84/GOOD 15 2431 79/GOOD 12 2572 PUNTZI MTN 71/GOOD 19 1751 94/GOOD 14 2926 55/GOOD 6 2644 PRINCE GEORGE 73/GOOD 26 1338 99/GOOD 16 2688 77/GOOD 10 2564 BURNS LAKE 75/GOOD 22 1359 94/GOOD 13 2680 37/FAIR 3 2445 SMITHERS 66/GOOD 15 1481 74/GOOD 9 2460 34/FAIR 3 2180 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 20 NW 15 SMITHERS W 15 0 0 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 38/FAIR 28 599 93/GOOD 18 1906 86/GOOD 16 1836 FT ST JOHN 15/POOR 10 812 99/GOOD 21 2695 83/GOOD 15 2135 WHITEHORSE 30/POOR 9 1171 84/GOOD 13 2401 68/GOOD 9 2375 DAWSON 10/POOR 3 411 39/FAIR 12 895 28/POOR 5 1115 WATSON LAKE 17/POOR 17 775 81/GOOD 14 2168 87/GOOD 17 2084 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 0 S 11 WATSON LAKE 0 0 0 0 WHITEHORSE S 19 S 39 MAYO S 30 S 46 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 75/GOOD 17 1048 99/GOOD 38 1325 53/FAIR 10 1002 FRASER VALLEY 64/GOOD 19 774 99/GOOD 17 2086 58/GOOD 8 1489 SRN VAN ISLD 50/FAIR 13 718 99/GOOD 28 1169 56/GOOD 11 1019 CNTRL VAN ISLD 47/FAIR 10 845 99/GOOD 25 1280 55/GOOD 10 1075 NRN VAN ISLD 29/POOR 9 463 64/GOOD 11 1234 65/GOOD 11 1275 TERRACE 39/FAIR 6 1235 62/GOOD 10 1503 64/GOOD 8 1912 STEWART 30/POOR 8 533 33/POOR 8 594 22/POOR 8 303 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 33 W 33 W 24 SANDSPIT W 15 W 22 W 24 PORT HARDY SW 13 SW 15 SW 19 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW