FPCN39 CWLW 021330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 2 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. 02-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 41/FAIR 15 676 99/GOOD 27 2029 99/GOOD 25 1629 KAMLOOPS 55/GOOD 18 929 97/GOOD 21 1774 95/GOOD 22 1646 OKANAGAN 45/FAIR 11 1161 99/GOOD 20 2656 99/GOOD 20 2256 CASTLEGAR 15/POOR 10 600 90/GOOD 15 2195 95/GOOD 15 2383 CRANBROOK 15/POOR 7 1089 99/GOOD 22 2873 98/GOOD 19 2550 REVELSTOKE 38/FAIR 7 1306 94/GOOD 14 2443 85/GOOD 15 1943 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 26 SW 35 CRANBROOK W 31 SW 52 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 21/POOR 14 710 63/GOOD 19 1245 60/GOOD 10 1745 100 MILE 28/POOR 24 1096 61/GOOD 25 1440 92/GOOD 27 1940 WILLIAMS LAKE 24/POOR 20 1084 69/GOOD 20 1717 75/GOOD 15 2140 PUNTZI MTN 25/POOR 16 1097 90/GOOD 18 2316 99/GOOD 17 3145 PRINCE GEORGE 23/POOR 19 828 75/GOOD 18 1688 68/GOOD 10 2182 BURNS LAKE 35/FAIR 12 986 72/GOOD 15 1645 59/GOOD 9 1845 SMITHERS 16/POOR 9 676 43/FAIR 8 1423 66/GOOD 14 1542 MCBRIDE 24/POOR 17 895 64/GOOD 15 1630 60/GOOD 12 1730 CLEARWATER 39/FAIR 15 806 59/GOOD 15 1184 56/GOOD 15 1121 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 30 S 24 SMITHERS SW 11 S 22 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 11 454 56/GOOD 11 1382 24/POOR 5 939 FT ST JOHN 40/FAIR 24 965 86/GOOD 18 1995 91/GOOD 20 1995 WHITEHORSE 33/FAIR 19 957 67/GOOD 9 2338 90/GOOD 14 2524 DAWSON 15/POOR 11 465 86/GOOD 11 2491 77/GOOD 10 2255 WATSON LAKE 23/POOR 11 931 39/FAIR 15 1099 38/FAIR 5 1905 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE NE 13 E 13 WATSON LAKE NE 11 NE 15 WHITEHORSE NE 28 NE 26 MAYO W 9 NW 17 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 25/POOR 11 278 33/FAIR 14 347 30/POOR 18 235 FRASER VALLEY 57/GOOD 21 592 56/GOOD 12 958 57/GOOD 16 758 SRN VAN ISLD 15/POOR 9 143 50/FAIR 15 619 48/FAIR 14 619 CNTRL VAN ISLD 23/POOR 19 160 46/FAIR 16 524 63/GOOD 15 900 NRN VAN ISLD 24/POOR 14 223 61/GOOD 25 522 65/GOOD 15 939 TERRACE 15/POOR 2 758 68/GOOD 10 1717 39/FAIR 5 1475 STEWART 28/POOR 8 460 36/FAIR 5 1107 40/FAIR 7 945 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 31 S 46 SW 54 SANDSPIT S 46 S 44 S 39 PORT HARDY S 17 SE 19 SE 24 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/