FPCN39 CWLW 151330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 15 AUGUST 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. 15-August-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 21/POOR 14 395 81/GOOD 8 2829 99/GOOD 14 2607 KAMLOOPS 22/POOR 15 506 63/GOOD 6 2564 91/GOOD 11 2729 OKANAGAN 15/POOR 9 582 83/GOOD 9 2850 78/GOOD 7 3184 CASTLEGAR 29/POOR 16 734 83/GOOD 7 3593 76/GOOD 6 3575 CRANBROOK 49/FAIR 19 1409 99/GOOD 10 4254 79/GOOD 6 4260 REVELSTOKE 24/POOR 15 638 78/GOOD 8 2848 43/FAIR 3 2809 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NE 11 0 0 CRANBROOK SE 31 S 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 12/POOR 6 622 41/FAIR 5 1890 86/GOOD 13 2351 100 MILE 17/POOR 11 1072 66/GOOD 8 2701 99/GOOD 18 3252 WILLIAMS LAKE 17/POOR 12 1065 35/FAIR 4 2249 99/GOOD 16 3105 PUNTZI MTN 10/POOR 7 947 68/GOOD 9 2555 99/GOOD 14 3229 PRINCE GEORGE 13/POOR 9 782 45/FAIR 7 1791 53/FAIR 7 2101 BURNS LAKE 16/POOR 14 641 38/FAIR 5 1732 97/GOOD 16 2406 SMITHERS 13/POOR 7 622 27/POOR 2 2280 93/GOOD 13 2643 MCBRIDE 13/POOR 8 822 88/GOOD 11 2955 68/GOOD 6 3209 CLEARWATER 13/POOR 6 519 79/GOOD 9 2591 77/GOOD 9 2480 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 9 W 19 SMITHERS SW 9 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 35/FAIR 37 525 77/GOOD 16 1542 44/FAIR 7 1445 FT ST JOHN 26/POOR 21 852 91/GOOD 17 2233 62/GOOD 9 2132 WHITEHORSE 41/FAIR 20 1043 60/GOOD 7 2428 53/FAIR 6 2368 DAWSON 61/GOOD 20 990 90/GOOD 15 2087 44/FAIR 5 1880 WATSON LAKE 55/GOOD 29 1053 74/GOOD 10 2413 43/FAIR 5 2136 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 24 W 35 WATSON LAKE NW 37 W 41 WHITEHORSE N 28 W 19 MAYO W 54 W 44 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 12/POOR 5 97 20/POOR 13 160 23/POOR 9 288 FRASER VALLEY 15/POOR 9 180 29/POOR 9 498 41/FAIR 10 734 SRN VAN ISLD 14/POOR 8 130 13/POOR 4 194 24/POOR 16 192 CNTRL VAN ISLD 13/POOR 8 117 24/POOR 7 424 22/POOR 4 664 NRN VAN ISLD 26/POOR 13 275 39/FAIR 16 410 43/FAIR 12 624 TERRACE 16/POOR 11 333 51/FAIR 5 2070 56/GOOD 10 1295 STEWART 11/POOR 5 73 36/FAIR 4 1407 52/FAIR 8 1207 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 SE 9 S 13 SANDSPIT 0 0 S 17 S 28 PORT HARDY 0 0 SE 22 SE 35 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/