FPCN39 CWLW 211330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 21 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. 21-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 30/POOR 14 519 50/FAIR 17 769 65/GOOD 35 629 KAMLOOPS 14/POOR 7 483 52/FAIR 12 1146 70/GOOD 20 1140 OKANAGAN 29/POOR 21 647 52/FAIR 12 1256 53/FAIR 20 956 CASTLEGAR 13/POOR 11 553 26/POOR 8 908 30/POOR 16 759 CRANBROOK 10/POOR 5 971 23/POOR 8 1260 70/GOOD 19 1769 REVELSTOKE 18/POOR 16 551 26/POOR 9 818 29/POOR 15 706 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 0 S 41 SW 52 CRANBROOK 0 S 11 W 33 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 28/POOR 19 741 54/FAIR 18 1117 90/GOOD 34 1294 100 MILE 38/FAIR 19 1253 50/FAIR 18 1440 98/GOOD 38 1741 WILLIAMS LAKE 31/POOR 16 1209 46/FAIR 13 1562 74/GOOD 35 1436 PUNTZI MTN 18/POOR 8 1120 21/POOR 16 1047 24/POOR 25 1027 PRINCE GEORGE 25/POOR 17 871 52/FAIR 16 1291 80/GOOD 26 1466 BURNS LAKE 28/POOR 17 931 37/FAIR 19 1015 59/GOOD 33 1073 SMITHERS 31/POOR 18 762 33/POOR 16 823 39/FAIR 28 747 MCBRIDE 23/POOR 16 899 51/FAIR 12 1518 32/POOR 20 955 CLEARWATER 23/POOR 17 550 45/FAIR 12 1046 64/GOOD 22 1003 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 S 28 S 28 SMITHERS 0 S 44 SW 41 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 15 426 23/POOR 15 557 21/POOR 6 757 FT ST JOHN 24/POOR 24 815 44/FAIR 15 1195 81/GOOD 14 2163 WHITEHORSE 35/FAIR 26 908 21/POOR 22 804 30/POOR 7 1299 DAWSON 49/FAIR 31 655 40/FAIR 32 572 11/POOR 12 396 WATSON LAKE 40/FAIR 25 951 33/POOR 23 896 39/FAIR 11 1254 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE 0 S 48 S 44 WATSON LAKE 0 S 26 S 41 WHITEHORSE 0 S 54 S 48 MAYO 0 SE 37 S 39 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 22/POOR 8 306 30/POOR 32 129 73/GOOD 57 302 FRASER VALLEY 14/POOR 8 175 28/POOR 25 203 61/GOOD 42 358 SRN VAN ISLD 39/FAIR 11 580 13/POOR 24 48 64/GOOD 45 319 CNTRL VAN ISLD 31/POOR 13 351 14/POOR 17 81 55/GOOD 35 324 NRN VAN ISLD 55/GOOD 36 318 15/POOR 22 73 69/GOOD 51 322 TERRACE 21/POOR 17 349 11/POOR 19 237 29/POOR 20 417 STEWART 11/POOR 20 23 10/POOR 16 13 36/FAIR 28 207 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 0 W 17 W 44 SANDSPIT S 63 SW 56 W 50 PORT HARDY W 39 SW 33 SW 37 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/