FPCN39 CWLW 051330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 5 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. 05-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 56/GOOD 10 1319 99/GOOD 30 1751 99/GOOD 40 1253 KAMLOOPS 42/FAIR 10 1049 95/GOOD 17 2023 95/GOOD 28 1356 OKANAGAN 46/FAIR 15 987 99/GOOD 17 2273 79/GOOD 17 1621 CASTLEGAR 18/POOR 6 786 99/GOOD 13 3066 83/GOOD 14 2055 CRANBROOK 16/POOR 5 1178 99/GOOD 11 3739 99/GOOD 21 2641 REVELSTOKE 13/POOR 6 556 91/GOOD 12 2600 70/GOOD 13 1643 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 30 NW 11 CRANBROOK NW 9 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 24/POOR 8 910 87/GOOD 15 2150 90/GOOD 25 1565 100 MILE 58/GOOD 12 1904 87/GOOD 16 2446 99/GOOD 24 2368 WILLIAMS LAKE 37/FAIR 6 1877 84/GOOD 15 2435 98/GOOD 23 2272 PUNTZI MTN 30/POOR 6 1604 71/GOOD 10 2525 99/GOOD 33 2215 PRINCE GEORGE 28/POOR 12 1008 88/GOOD 16 2225 99/GOOD 28 1891 BURNS LAKE 20/POOR 6 884 86/GOOD 16 2014 99/GOOD 32 2026 SMITHERS 21/POOR 6 900 69/GOOD 12 1796 99/GOOD 28 1871 MCBRIDE 34/FAIR 10 1232 80/GOOD 12 2395 91/GOOD 22 1930 CLEARWATER 43/FAIR 11 1059 88/GOOD 14 2143 87/GOOD 20 1596 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE N 17 N 22 SMITHERS W 17 NW 17 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 18/POOR 10 546 99/GOOD 20 2169 99/GOOD 36 2336 FT ST JOHN 40/FAIR 16 1100 99/GOOD 28 2913 99/GOOD 41 2697 WHITEHORSE 53/FAIR 27 1071 99/GOOD 35 2003 99/GOOD 22 2562 DAWSON 17/POOR 6 628 59/GOOD 18 1026 99/GOOD 17 2422 WATSON LAKE 17/POOR 6 951 92/GOOD 21 1954 99/GOOD 36 2317 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 31 W 33 WATSON LAKE W 28 W 26 WHITEHORSE S 61 SW 72 MAYO SW 52 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 23/POOR 8 337 49/FAIR 18 497 71/GOOD 26 621 FRASER VALLEY 28/POOR 9 468 59/GOOD 14 902 81/GOOD 25 886 SRN VAN ISLD 30/POOR 12 369 62/GOOD 16 819 71/GOOD 25 667 CNTRL VAN ISLD 35/FAIR 12 459 77/GOOD 20 973 75/GOOD 25 732 NRN VAN ISLD 19/POOR 8 254 60/GOOD 16 790 52/FAIR 16 622 TERRACE 11/POOR 7 272 74/GOOD 17 1233 90/GOOD 25 1233 STEWART 17/POOR 7 226 54/FAIR 17 607 61/GOOD 25 507 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 15 NW 15 N 17 SANDSPIT N 33 N 22 N 30 PORT HARDY SW 13 SW 15 W 17 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/WJW