FPCN39 CWLW 071345 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 7 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. 07-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 74/GOOD 15 1386 70/GOOD 12 1531 70/GOOD 12 1554 KAMLOOPS 94/GOOD 26 1429 81/GOOD 15 1738 72/GOOD 11 1845 OKANAGAN 97/GOOD 25 1642 83/GOOD 15 1893 81/GOOD 13 2034 CASTLEGAR 91/GOOD 21 1737 90/GOOD 14 2331 79/GOOD 13 2002 CRANBROOK 98/GOOD 21 2380 99/GOOD 17 3382 99/GOOD 20 2519 REVELSTOKE 78/GOOD 17 1566 76/GOOD 11 2087 73/GOOD 14 1668 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 46 NW 59 CRANBROOK NW 37 NW 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 76/GOOD 22 1379 52/FAIR 8 1765 88/GOOD 18 1905 100 MILE 94/GOOD 28 1939 51/FAIR 8 2120 90/GOOD 19 2298 WILLIAMS LAKE 84/GOOD 23 1915 48/FAIR 7 2165 86/GOOD 15 2487 PUNTZI MTN 76/GOOD 17 1993 51/FAIR 9 1946 89/GOOD 18 2285 PRINCE GEORGE 61/GOOD 23 1236 71/GOOD 14 1837 99/GOOD 24 2046 BURNS LAKE 58/GOOD 20 1124 72/GOOD 16 1586 99/GOOD 24 2032 SMITHERS 45/FAIR 15 1046 70/GOOD 17 1447 91/GOOD 21 1761 MCBRIDE 67/GOOD 14 1772 61/GOOD 10 1967 86/GOOD 18 2038 CLEARWATER 77/GOOD 23 1212 70/GOOD 12 1704 80/GOOD 16 1665 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 37 NW 31 SMITHERS W 30 NW 56 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 49/FAIR 31 664 84/GOOD 15 1869 99/GOOD 41 2124 FT ST JOHN 74/GOOD 28 1317 99/GOOD 26 2312 99/GOOD 40 3038 WHITEHORSE 50/FAIR 14 1361 48/FAIR 25 1041 54/FAIR 13 1489 DAWSON 15/POOR 8 510 46/FAIR 12 1035 99/GOOD 17 2534 WATSON LAKE 38/FAIR 21 978 49/FAIR 18 1173 99/GOOD 26 1970 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 31 W 35 WATSON LAKE NW 26 W 19 WHITEHORSE SW 33 SW 30 MAYO SE 15 S 20 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 47/FAIR 27 306 50/FAIR 15 603 26/POOR 10 337 FRASER VALLEY 27/POOR 7 557 62/GOOD 12 1114 47/FAIR 11 816 SRN VAN ISLD 51/FAIR 26 378 24/POOR 10 302 12/POOR 2 275 CNTRL VAN ISLD 52/FAIR 20 500 40/FAIR 12 571 27/POOR 6 592 NRN VAN ISLD 34/FAIR 18 299 50/FAIR 15 628 73/GOOD 27 655 TERRACE 13/POOR 5 374 67/GOOD 16 1136 57/GOOD 10 1321 STEWART 20/POOR 8 261 31/POOR 21 211 41/FAIR 14 479 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER N 24 NW 35 N 67 SANDSPIT N 26 NW 43 NW 63 PORT HARDY SW 22 W 35 W 56 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/