FLCN39 CWVR 201056 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 20 MAY 2011 FOR TODAY. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. 20-May-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 10/POOR 3 286 66/GOOD 5 3069 61/GOOD 7 2009 KAMLOOPS 10/POOR 2 462 71/GOOD 5 3615 99/GOOD 15 3279 OKANAGAN 13/POOR 12 523 91/GOOD 8 3701 93/GOOD 10 3197 CASTLEGAR 15/POOR 10 609 64/GOOD 5 3189 63/GOOD 5 3134 CRANBROOK 36/FAIR 13 1355 82/GOOD 10 3049 95/GOOD 11 3526 REVELSTOKE 17/POOR 5 721 51/FAIR 4 2776 41/FAIR 3 2656 GOLDEN 11/POOR 2 954 44/FAIR 4 2654 53/FAIR 5 2778 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON S 11 NW 23 W 21 CRANBROOK SE 8 S 12 S 8 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 10/POOR 4 598 96/GOOD 10 3444 74/GOOD 6 3459 100 MILE 11/POOR 6 1011 76/GOOD 6 4009 99/GOOD 12 4045 WILLIAMS LAKE 11/POOR 5 1020 78/GOOD 6 4133 62/GOOD 4 4163 PUNTZI MTN 10/POOR 2 975 99/GOOD 10 4146 98/GOOD 11 3670 PRINCE GEORGE 11/POOR 7 745 61/GOOD 6 2780 47/FAIR 3 3480 BURNS LAKE 11/POOR 11 751 86/GOOD 8 3595 90/GOOD 10 3249 SMITHERS 13/POOR 11 584 54/FAIR 4 3090 48/FAIR 6 1937 MCBRIDE 14/POOR 7 873 56/GOOD 5 2896 58/GOOD 5 3039 CLEARWATER 17/POOR 8 579 73/GOOD 6 3225 68/GOOD 5 3428 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SE 5 E 5 0 0 SMITHERS E 4 N 7 N 9 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 13/POOR 13 443 99/GOOD 14 2833 99/GOOD 18 3298 FT ST JOHN 24/POOR 22 822 99/GOOD 22 2777 98/GOOD 12 3232 WHITEHORSE 41/FAIR 17 1091 86/GOOD 15 2256 88/GOOD 11 2916 DAWSON 99/GOOD 31 1672 99/GOOD 17 2808 99/GOOD 23 3303 WATSON LAKE 15/POOR 10 800 99/GOOD 13 3446 93/GOOD 9 3700 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SE 8 NE 8 NE 10 WATSON LAKE S 10 NE 11 NE 13 WHITEHORSE SE 11 SE 18 S 19 MAYO SE 13 S 17 S 19 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 14/POOR 11 89 28/POOR 8 474 25/POOR 7 451 FRASER VALLEY 11/POOR 6 133 51/FAIR 12 845 42/FAIR 9 831 SQUAMISH 12/POOR 9 122 29/POOR 4 1046 18/POOR 4 449 SRN VAN ISLD 14/POOR 10 105 17/POOR 4 376 14/POOR 8 139 CNTRL VAN ISLD 11/POOR 7 72 35/FAIR 5 1065 16/POOR 4 354 NRN VAN ISLD 10/POOR 3 90 32/POOR 10 478 48/FAIR 22 413 TERRACE 12/POOR 4 357 84/GOOD 9 2661 32/POOR 7 863 STEWART 10/POOR 8 30 12/POOR 4 160 13/POOR 7 109 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 9 SW 11 SW 17 SANDSPIT SW 5 S 10 S 14 PORT HARDY SE 16 SE 17 SE 23 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/