FPCN39 CWLW 251330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 25 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. 25-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 17/POOR 17 316 86/GOOD 19 1446 88/GOOD 16 1767 KAMLOOPS 18/POOR 13 482 99/GOOD 39 1319 89/GOOD 21 1546 OKANAGAN 17/POOR 14 563 99/GOOD 29 2732 64/GOOD 15 1352 CASTLEGAR 16/POOR 13 587 99/GOOD 19 2171 67/GOOD 15 1481 CRANBROOK 11/POOR 8 988 99/GOOD 27 3506 72/GOOD 17 1903 REVELSTOKE 27/POOR 19 624 81/GOOD 21 1416 53/FAIR 13 1208 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 S 30 S 37 CRANBROOK S 19 SW 41 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 20/POOR 24 630 79/GOOD 16 1780 99/GOOD 18 2325 100 MILE 40/FAIR 24 1204 79/GOOD 16 2165 99/GOOD 21 3291 WILLIAMS LAKE 32/POOR 25 1125 71/GOOD 15 2018 99/GOOD 16 3184 PUNTZI MTN 11/POOR 14 930 62/GOOD 13 1895 99/GOOD 24 2352 PRINCE GEORGE 18/POOR 20 771 59/GOOD 12 1678 95/GOOD 21 2046 BURNS LAKE 16/POOR 20 783 73/GOOD 14 1933 95/GOOD 27 1782 SMITHERS 17/POOR 22 588 76/GOOD 15 1732 75/GOOD 18 1510 MCBRIDE 38/FAIR 22 998 73/GOOD 17 1726 70/GOOD 14 1842 CLEARWATER 27/POOR 20 571 83/GOOD 22 1376 55/GOOD 14 1144 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE S 43 S 52 SMITHERS S 50 S 65 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 16/POOR 19 448 37/FAIR 5 1522 99/GOOD 28 1906 FT ST JOHN 19/POOR 21 786 68/GOOD 11 2042 99/GOOD 34 2699 WHITEHORSE 43/FAIR 23 1018 95/GOOD 19 2191 76/GOOD 9 2749 DAWSON 52/FAIR 27 730 99/GOOD 19 2074 48/FAIR 5 2049 WATSON LAKE 26/POOR 15 903 68/GOOD 10 2195 76/GOOD 25 1422 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 57 S 54 WATSON LAKE SW 37 S 33 WHITEHORSE S 56 S 80 MAYO S 50 S 61 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 28/POOR 9 403 60/GOOD 26 464 39/FAIR 9 691 FRASER VALLEY 28/POOR 8 525 66/GOOD 25 621 45/FAIR 10 827 SRN VAN ISLD 23/POOR 12 237 70/GOOD 28 586 42/FAIR 9 783 CNTRL VAN ISLD 12/POOR 5 137 64/GOOD 25 567 52/FAIR 10 984 NRN VAN ISLD 13/POOR 20 60 38/FAIR 13 481 32/POOR 24 210 TERRACE 11/POOR 12 242 67/GOOD 10 1670 55/GOOD 16 870 STEWART 13/POOR 22 41 70/GOOD 10 1571 61/GOOD 21 596 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 S 37 S 54 SANDSPIT S 39 S 46 S 63 PORT HARDY SW 35 S 65 S 80 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/GF