FPCN39 CWLW 051331 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 5 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. 05-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 50/FAIR 12 977 81/GOOD 17 1451 65/GOOD 11 1477 KAMLOOPS 58/GOOD 15 1118 86/GOOD 16 1812 79/GOOD 13 1849 OKANAGAN 34/FAIR 7 1183 99/GOOD 19 2279 73/GOOD 10 2144 CASTLEGAR 25/POOR 9 839 99/GOOD 15 2590 81/GOOD 13 2097 CRANBROOK 59/GOOD 13 1851 99/GOOD 21 2960 99/GOOD 19 2730 REVELSTOKE 35/FAIR 5 1474 89/GOOD 14 2247 67/GOOD 10 1905 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 26 SW 54 CRANBROOK SW 22 W 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 25/POOR 14 764 92/GOOD 18 2024 78/GOOD 11 2293 100 MILE 37/FAIR 19 1239 95/GOOD 23 2172 95/GOOD 17 2622 WILLIAMS LAKE 21/POOR 14 1099 94/GOOD 20 2325 81/GOOD 11 2809 PUNTZI MTN 34/FAIR 14 1262 49/FAIR 10 1800 89/GOOD 14 2690 PRINCE GEORGE 30/POOR 8 1195 99/GOOD 19 2379 80/GOOD 12 2359 BURNS LAKE 17/POOR 11 682 51/FAIR 11 1409 62/GOOD 11 1723 SMITHERS 22/POOR 10 772 49/FAIR 10 1415 55/GOOD 11 1478 MCBRIDE 57/GOOD 14 1533 88/GOOD 15 2339 69/GOOD 12 2003 CLEARWATER 44/FAIR 14 924 83/GOOD 15 1859 70/GOOD 11 1832 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 30 SW 39 SMITHERS SW 39 SW 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 29/POOR 15 642 58/GOOD 10 1516 81/GOOD 13 1971 FT ST JOHN 83/GOOD 33 1354 99/GOOD 31 2661 99/GOOD 32 2656 WHITEHORSE 40/FAIR 22 991 70/GOOD 14 1825 75/GOOD 11 2345 DAWSON 50/FAIR 25 739 99/GOOD 19 2296 99/GOOD 18 2119 WATSON LAKE 16/POOR 2 1290 62/GOOD 10 1975 56/GOOD 12 1596 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE N 37 N 22 WATSON LAKE N 13 NE 17 WHITEHORSE W 19 W 15 MAYO NW 13 N 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 23/POOR 15 183 37/FAIR 10 567 33/POOR 5 950 FRASER VALLEY 26/POOR 17 253 49/FAIR 10 949 32/POOR 5 983 SRN VAN ISLD 13/POOR 7 131 17/POOR 6 260 36/FAIR 6 951 CNTRL VAN ISLD 15/POOR 10 128 43/FAIR 12 634 23/POOR 3 893 NRN VAN ISLD 25/POOR 32 118 13/POOR 36 41 51/FAIR 14 691 TERRACE 32/POOR 10 665 33/FAIR 7 914 33/FAIR 10 706 STEWART 39/FAIR 9 704 31/POOR 6 733 26/POOR 8 421 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 24 S 33 SW 54 SANDSPIT S 61 S 74 S 57 PORT HARDY SE 50 SE 46 SE 46 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/