FPCN39 CWLW 311430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 31 OCTOBER 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. 31-October-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 24 321 99/GOOD 30 1729 57/GOOD 22 742 KAMLOOPS 26/POOR 29 461 99/GOOD 24 1846 78/GOOD 26 1087 OKANAGAN 31/POOR 32 593 99/GOOD 26 1956 66/GOOD 21 1132 CASTLEGAR 24/POOR 23 624 99/GOOD 22 1995 51/FAIR 13 1218 CRANBROOK 21/POOR 28 1018 99/GOOD 27 2439 60/GOOD 18 1616 REVELSTOKE 27/POOR 19 622 92/GOOD 18 1943 41/FAIR 15 897 GOLDEN 26/POOR 19 953 99/GOOD 23 2285 48/FAIR 16 1318 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON S 9 SW 63 SW 113 CRANBROOK 0 SW 54 SW 74 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 27/POOR 28 670 99/GOOD 21 2045 73/GOOD 29 1136 100 MILE 40/FAIR 33 1136 99/GOOD 22 2440 99/GOOD 31 2122 WILLIAMS LAKE 35/FAIR 30 1114 99/GOOD 21 2440 99/GOOD 30 2198 PUNTZI MTN 17/POOR 21 977 99/GOOD 28 2410 99/GOOD 33 2078 PRINCE GEORGE 34/FAIR 31 852 99/GOOD 24 2191 99/GOOD 32 1691 BURNS LAKE 13/POOR 19 752 99/GOOD 24 2215 99/GOOD 25 2215 SMITHERS 21/POOR 20 636 97/GOOD 20 2023 99/GOOD 24 2023 MCBRIDE 29/POOR 22 906 90/GOOD 17 2230 99/GOOD 22 2230 CLEARWATER 28/POOR 24 552 92/GOOD 18 1896 97/GOOD 20 1896 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 SW 52 SW 48 SMITHERS 0 W 35 SW 35 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 23/POOR 12 611 28/POOR 19 573 14/POOR 30 412 FT ST JOHN 14/POOR 10 794 49/FAIR 16 1239 72/GOOD 28 1293 WHITEHORSE 10/POOR 3 743 41/FAIR 13 1225 14/POOR 26 741 DAWSON 10/POOR 7 398 20/POOR 15 513 20/POOR 29 444 WATSON LAKE 15/POOR 18 751 16/POOR 3 1104 12/POOR 15 724 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 W 28 W 20 WATSON LAKE 0 SE 20 SW 17 WHITEHORSE 0 0 0 0 SW 11 MAYO 0 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 41/FAIR 40 171 94/GOOD 28 1002 99/GOOD 33 1002 FRASER VALLEY 32/POOR 31 208 92/GOOD 27 1058 75/GOOD 18 1058 SRN VAN ISLD 30/POOR 43 115 94/GOOD 28 1019 85/GOOD 23 1019 CNTRL VAN ISLD 33/POOR 34 163 89/GOOD 25 1024 89/GOOD 25 1024 NRN VAN ISLD 36/FAIR 30 204 75/GOOD 18 1022 78/GOOD 19 1022 TERRACE 12/POOR 9 277 63/GOOD 13 1217 84/GOOD 22 1217 STEWART 10/POOR 4 51 56/GOOD 11 1007 87/GOOD 24 1007 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 50 W 65 W 65 SANDSPIT W 57 W 57 W 65 PORT HARDY NW 44 NW 50 NW 59 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/