FPCN39 CWLW 041330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 4 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. 04-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 55/GOOD 21 737 62/GOOD 12 1296 40/FAIR 7 1167 KAMLOOPS 55/GOOD 26 753 65/GOOD 10 1720 62/GOOD 14 1272 OKANAGAN 48/FAIR 23 823 65/GOOD 10 1838 54/FAIR 11 1385 CASTLEGAR 74/GOOD 25 1195 79/GOOD 12 2130 32/POOR 5 1404 CRANBROOK 81/GOOD 24 1795 66/GOOD 8 2703 34/FAIR 6 1779 REVELSTOKE 64/GOOD 22 1057 67/GOOD 10 1900 29/POOR 5 1246 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NE 41 N 46 CRANBROOK NE 43 NE 20 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 17/POOR 19 622 33/FAIR 4 1749 60/GOOD 18 1212 100 MILE 32/POOR 22 1148 50/FAIR 7 2224 70/GOOD 22 1657 WILLIAMS LAKE 23/POOR 20 1070 44/FAIR 6 2176 67/GOOD 19 1712 PUNTZI MTN 28/POOR 21 1084 65/GOOD 16 1784 43/FAIR 9 1722 PRINCE GEORGE 26/POOR 23 834 25/POOR 3 1707 56/GOOD 15 1425 BURNS LAKE 44/FAIR 28 984 52/FAIR 13 1469 40/FAIR 8 1508 SMITHERS 44/FAIR 27 801 51/FAIR 14 1183 33/FAIR 6 1328 MCBRIDE 28/POOR 18 931 26/POOR 3 1819 38/FAIR 8 1481 CLEARWATER 59/GOOD 24 883 33/FAIR 4 1623 45/FAIR 11 1107 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NE 30 N 30 SMITHERS SE 41 E 20 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 14/POOR 13 455 18/POOR 8 597 27/POOR 5 1095 FT ST JOHN 10/POOR 5 723 88/GOOD 21 1869 63/GOOD 16 1521 WHITEHORSE 37/FAIR 21 977 25/POOR 8 1078 57/GOOD 15 1452 DAWSON 31/POOR 21 575 19/POOR 11 531 46/FAIR 24 702 WATSON LAKE 10/POOR 2 756 13/POOR 2 1060 26/POOR 7 1154 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 19 W 15 WATSON LAKE SW 20 W 28 WHITEHORSE W 46 W 28 MAYO SW 28 W 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 44/FAIR 43 174 42/FAIR 35 202 29/POOR 8 502 FRASER VALLEY 67/GOOD 42 409 56/GOOD 22 558 39/FAIR 8 826 SRN VAN ISLD 37/FAIR 38 170 39/FAIR 31 219 29/POOR 8 519 CNTRL VAN ISLD 18/POOR 27 88 54/GOOD 31 358 25/POOR 6 524 NRN VAN ISLD 22/POOR 34 97 22/POOR 24 122 40/FAIR 13 522 TERRACE 40/FAIR 30 435 65/GOOD 20 917 46/FAIR 10 1017 STEWART 29/POOR 25 163 54/FAIR 17 607 33/FAIR 7 707 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER E 83 E 33 NE 30 SANDSPIT SE 50 SE 17 NE 20 PORT HARDY E 33 E 22 NE 19 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/