FLCN39 CWVR 211330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 21 APRIL 2011 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. 21-APRIL-2011 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 22/POOR 4 851 99/GOOD 30 2620 99/GOOD 20 1851 KAMLOOPS 27/POOR 6 934 99/GOOD 17 3453 45/FAIR 3 2889 OKANAGAN 18/POOR 2 1299 99/GOOD 14 3258 64/GOOD 6 2708 CASTLEGAR 13/POOR 6 625 55/GOOD 7 2011 74/GOOD 7 3011 CRANBROOK 22/POOR 12 1141 61/GOOD 7 2705 99/GOOD 17 3133 REVELSTOKE 14/POOR 2 924 57/GOOD 7 2039 60/GOOD 7 2155 GOLDEN 12/POOR 2 1046 66/GOOD 7 2816 56/GOOD 6 2593 FORECAST UPPER WINDS FOR THIS AFTERNOON 900M 1800M 2700M PENTICTON N 8 N 10 NW 11 CRANBROOK S 20 SW 18 SW 13 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 18/POOR 16 654 99/GOOD 15 2919 68/GOOD 6 3043 100 MILE 30/POOR 14 1230 99/GOOD 20 3796 63/GOOD 5 3548 WILLIAMS LAKE 31/POOR 19 1171 99/GOOD 14 3453 65/GOOD 5 3718 PUNTZI MTN 27/POOR 12 1200 99/GOOD 15 3307 68/GOOD 5 3892 PRINCE GEORGE 14/POOR 12 772 99/GOOD 16 3030 79/GOOD 9 2876 BURNS LAKE 25/POOR 20 872 99/GOOD 19 2513 62/GOOD 8 2323 SMITHERS 18/POOR 15 632 79/GOOD 12 2164 50/FAIR 6 2022 MCBRIDE 10/POOR 2 854 75/GOOD 8 2947 57/GOOD 7 2335 CLEARWATER 15/POOR 3 772 99/GOOD 13 3450 57/GOOD 5 2625 FORECAST UPPER WINDS FOR THIS AFTERNOON 900M 1800M 2700M PR. GEORGE N 18 NW 18 NW 18 SMITHERS NW 16 NW 18 NW 19 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 37/FAIR 7 1197 83/GOOD 11 2368 99/GOOD 25 2699 FT ST JOHN 13/POOR 9 770 99/GOOD 12 3296 99/GOOD 24 2809 WHITEHORSE 16/POOR 14 789 99/GOOD 30 2224 99/GOOD 21 2371 DAWSON 16/POOR 16 451 76/GOOD 15 1589 61/GOOD 8 1934 WATSON LAKE 44/FAIR 18 1104 99/GOOD 21 2494 99/GOOD 26 2686 FORECAST UPPER WINDS FOR THIS AFTERNOON 900M 1800M 2700M DEASE LAKE W 25 W 26 W 23 WATSON LAKE W 30 W 34 W 28 WHITEHORSE W 24 W 27 W 24 MAYO W 32 W 35 W 26 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 33/POOR 5 965 61/GOOD 18 702 37/FAIR 7 825 FRASER VALLEY 38/FAIR 9 714 63/GOOD 15 927 37/FAIR 5 1221 SQUAMISH 19/POOR 3 659 95/GOOD 15 1944 36/FAIR 5 1166 SRN VAN ISLD 65/GOOD 16 878 58/GOOD 30 407 33/POOR 13 394 CNTRL VAN ISLD 85/GOOD 24 967 68/GOOD 11 1382 43/FAIR 7 1072 NRN VAN ISLD 31/POOR 27 183 99/GOOD 32 1330 38/FAIR 6 1026 TERRACE 14/POOR 3 551 80/GOOD 15 1572 28/POOR 3 1454 STEWART 16/POOR 4 308 29/POOR 5 811 19/POOR 3 627 FORECAST UPPER WINDS FOR THIS AFTERNOON 900M 1800M 2700M VANCOUVER N 24 NW 20 NW 18 SANDSPIT NW 11 NW 15 NW 20 PORT HARDY NW 10 NW 13 W 16 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/