FPCN39 CWLW 111330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 11 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. 11-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 67/GOOD 21 933 86/GOOD 12 2187 75/GOOD 10 1994 KAMLOOPS 75/GOOD 23 1116 84/GOOD 10 2582 97/GOOD 12 2844 OKANAGAN 90/GOOD 21 1672 99/GOOD 15 2858 96/GOOD 12 2891 CASTLEGAR 92/GOOD 21 1761 97/GOOD 12 3002 76/GOOD 10 2319 CRANBROOK 86/GOOD 21 2053 99/GOOD 18 2714 56/GOOD 9 2130 REVELSTOKE 74/GOOD 18 1406 73/GOOD 8 2590 69/GOOD 8 2356 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON NE 9 NE 17 E 33 CRANBROOK E 17 E 43 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 23/POOR 16 714 30/POOR 3 1957 74/GOOD 9 2482 100 MILE 53/FAIR 17 1527 52/FAIR 5 2884 75/GOOD 8 3164 WILLIAMS LAKE 46/FAIR 18 1388 42/FAIR 4 2704 54/GOOD 5 3012 PUNTZI MTN 29/POOR 18 1131 47/FAIR 7 2103 73/GOOD 8 3034 PRINCE GEORGE 18/POOR 11 841 44/FAIR 5 2186 63/GOOD 6 2892 BURNS LAKE 27/POOR 18 742 68/GOOD 10 2043 63/GOOD 7 2404 SMITHERS 20/POOR 20 622 63/GOOD 10 1828 58/GOOD 8 1949 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NE 15 N 26 SMITHERS SE 20 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 19/POOR 14 513 40/FAIR 4 2008 41/FAIR 4 2081 FT ST JOHN 14/POOR 17 749 53/FAIR 6 2339 55/GOOD 7 2181 WHITEHORSE 31/POOR 25 874 78/GOOD 27 1422 80/GOOD 17 1882 DAWSON 22/POOR 32 450 44/FAIR 29 630 26/POOR 10 692 WATSON LAKE 18/POOR 14 807 63/GOOD 12 1787 21/POOR 2 1772 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 33 SW 28 WATSON LAKE W 26 W 26 WHITEHORSE S 43 S 48 MAYO S 57 S 56 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 81/GOOD 39 536 88/GOOD 20 1235 38/FAIR 12 490 FRASER VALLEY 79/GOOD 34 631 89/GOOD 10 2545 39/FAIR 6 1104 SRN VAN ISLD 83/GOOD 34 651 82/GOOD 17 1274 42/FAIR 13 547 CNTRL VAN ISLD 46/FAIR 26 336 62/GOOD 11 1197 38/FAIR 11 565 NRN VAN ISLD 14/POOR 12 101 32/POOR 5 941 50/FAIR 23 419 TERRACE 20/POOR 16 343 51/FAIR 8 1406 48/FAIR 6 1643 STEWART 13/POOR 19 49 26/POOR 12 275 17/POOR 4 378 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NE 52 NE 56 NE 43 SANDSPIT E 31 NE 17 NE 26 PORT HARDY S 43 S 31 SW 20 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/