FPCN39 CWLW 231330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 23 SEPTEMBER 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. 23-September-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 26/POOR 20 395 71/GOOD 20 1029 71/GOOD 20 1029 KAMLOOPS 32/POOR 18 599 50/FAIR 13 1046 50/FAIR 13 1046 OKANAGAN 32/POOR 23 658 50/FAIR 13 1156 50/FAIR 13 1156 CASTLEGAR 20/POOR 15 634 50/FAIR 13 1195 50/FAIR 13 1195 CRANBROOK 11/POOR 7 1000 50/FAIR 13 1639 50/FAIR 13 1639 REVELSTOKE 28/POOR 19 638 50/FAIR 13 1143 50/FAIR 13 1143 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 35 SW 35 CRANBROOK S 17 SW 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 38/FAIR 20 840 50/FAIR 23 945 98/GOOD 20 2061 100 MILE 41/FAIR 20 1275 50/FAIR 23 1340 99/GOOD 23 2881 WILLIAMS LAKE 44/FAIR 20 1319 53/FAIR 25 1340 99/GOOD 14 3320 PUNTZI MTN 28/POOR 20 1090 52/FAIR 24 1310 99/GOOD 20 2635 PRINCE GEORGE 31/POOR 20 908 50/FAIR 19 1175 82/GOOD 15 2116 BURNS LAKE 28/POOR 20 897 46/FAIR 20 1115 64/GOOD 15 1615 SMITHERS 41/FAIR 20 859 46/FAIR 20 923 64/GOOD 15 1423 MCBRIDE 40/FAIR 24 1004 36/FAIR 18 1033 74/GOOD 13 2082 CLEARWATER 41/FAIR 24 679 48/FAIR 17 896 86/GOOD 16 1847 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 48 SW 57 SMITHERS S 67 SW 98 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 33/FAIR 34 524 99/GOOD 23 1985 71/GOOD 17 1324 FT ST JOHN 29/POOR 28 838 99/GOOD 25 2147 99/GOOD 27 2676 WHITEHORSE 11/POOR 9 735 99/GOOD 22 2211 78/GOOD 31 1322 DAWSON 14/POOR 8 473 99/GOOD 18 2137 99/GOOD 30 1429 WATSON LAKE 49/FAIR 25 1041 91/GOOD 23 1823 89/GOOD 16 2267 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 52 SW 78 WATSON LAKE SW 76 SW 80 WHITEHORSE SW 22 SW 44 MAYO SW 24 S 24 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 14/POOR 19 51 16/POOR 10 136 17/POOR 7 225 FRASER VALLEY 15/POOR 17 128 20/POOR 6 400 32/POOR 8 640 SRN VAN ISLD 9/POOR 3 41 14/POOR 6 178 14/POOR 5 196 CNTRL VAN ISLD 10/POOR 7 50 22/POOR 7 379 15/POOR 2 529 NRN VAN ISLD 26/POOR 20 191 46/FAIR 20 422 14/POOR 14 92 TERRACE 38/FAIR 15 617 44/FAIR 15 717 25/POOR 18 389 STEWART 49/FAIR 17 531 68/GOOD 15 1007 11/POOR 24 23 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 19 S 39 S 52 SANDSPIT S 59 S 63 S 69 PORT HARDY W 17 SW 31 SW 57 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/