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 JULY 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-July-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 45/FAIR 20 612 99/GOOD 30 1721 99/GOOD 40 1729 KAMLOOPS 25/POOR 10 663 91/GOOD 15 2109 99/GOOD 18 2146 OKANAGAN 17/POOR 5 764 96/GOOD 18 2066 95/GOOD 18 2056 CASTLEGAR 12/POOR 8 573 99/GOOD 16 2557 99/GOOD 20 2495 CRANBROOK 10/POOR 5 991 99/GOOD 22 2782 99/GOOD 29 2739 REVELSTOKE 11/POOR 5 515 87/GOOD 15 2043 93/GOOD 17 2043 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 9 S 30 CRANBROOK SW 9 W 26 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 13/POOR 6 679 67/GOOD 15 1527 91/GOOD 21 1793 100 MILE 14/POOR 6 1085 73/GOOD 12 2349 88/GOOD 18 2298 WILLIAMS LAKE 13/POOR 6 1054 73/GOOD 15 2080 71/GOOD 16 1948 PUNTZI MTN 26/POOR 6 1443 83/GOOD 14 2445 99/GOOD 25 2733 PRINCE GEORGE 16/POOR 8 857 87/GOOD 18 2019 90/GOOD 21 1899 BURNS LAKE 35/FAIR 8 1209 85/GOOD 16 1982 81/GOOD 21 1531 SMITHERS 32/POOR 6 1301 81/GOOD 17 1732 82/GOOD 21 1527 MCBRIDE 11/POOR 4 813 48/FAIR 8 1808 82/GOOD 21 1730 CLEARWATER 13/POOR 8 493 76/GOOD 13 1792 74/GOOD 16 1496 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 17 W 22 SMITHERS W 19 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 13/POOR 6 506 71/GOOD 12 1714 99/GOOD 20 1941 FT ST JOHN 15/POOR 8 823 89/GOOD 11 2948 99/GOOD 23 2164 WHITEHORSE 36/FAIR 6 1626 82/GOOD 12 2487 82/GOOD 12 2459 DAWSON 11/POOR 8 412 85/GOOD 12 2268 83/GOOD 12 2170 WATSON LAKE 19/POOR 8 921 81/GOOD 12 2424 99/GOOD 21 2417 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE NW 13 W 19 WATSON LAKE W 17 W 20 WHITEHORSE N 28 N 26 MAYO W 35 W 39 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 16/POOR 7 199 61/GOOD 20 633 79/GOOD 25 787 FRASER VALLEY 15/POOR 8 193 61/GOOD 15 897 69/GOOD 19 873 SRN VAN ISLD 18/POOR 12 152 64/GOOD 23 605 84/GOOD 30 760 CNTRL VAN ISLD 19/POOR 12 178 64/GOOD 18 768 72/GOOD 15 1122 NRN VAN ISLD 26/POOR 8 420 54/GOOD 18 597 86/GOOD 26 914 TERRACE 33/FAIR 8 820 62/GOOD 12 1296 85/GOOD 23 1215 STEWART 32/POOR 8 582 56/GOOD 16 683 70/GOOD 20 793 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 9 W 19 W 26 SANDSPIT NW 22 NW 26 NW 28 PORT HARDY NW 11 W 15 W 17 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/