FPCN39 CWLW 281331 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 28 JULY 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. 28-July-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 73/GOOD 30 802 84/GOOD 40 789 60/GOOD 9 1563 KAMLOOPS 48/FAIR 14 951 90/GOOD 30 1192 71/GOOD 13 1599 OKANAGAN 25/POOR 5 1078 77/GOOD 25 1206 67/GOOD 12 1663 CASTLEGAR 32/POOR 9 1002 38/FAIR 15 895 37/FAIR 8 1205 CRANBROOK 18/POOR 18 1033 99/GOOD 26 2212 92/GOOD 19 2335 REVELSTOKE 29/POOR 7 996 36/FAIR 17 765 64/GOOD 13 1469 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 17 SW 30 CRANBROOK SW 31 SW 54 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 26/POOR 5 1210 89/GOOD 19 1861 63/GOOD 15 1433 100 MILE 23/POOR 5 1465 50/FAIR 22 1356 90/GOOD 20 2225 WILLIAMS LAKE 24/POOR 5 1495 54/FAIR 22 1404 82/GOOD 16 2255 PUNTZI MTN 32/POOR 5 1808 99/GOOD 25 2738 90/GOOD 17 2417 PRINCE GEORGE 22/POOR 5 1198 99/GOOD 20 2336 78/GOOD 15 1970 BURNS LAKE 24/POOR 5 1126 86/GOOD 23 1551 94/GOOD 19 2020 SMITHERS 24/POOR 5 1117 72/GOOD 19 1398 88/GOOD 18 1876 MCBRIDE 17/POOR 5 1035 21/POOR 12 917 37/FAIR 9 1355 CLEARWATER 37/FAIR 10 962 53/FAIR 24 815 76/GOOD 16 1530 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 17 N 9 SMITHERS NW 35 NW 24 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 32/POOR 8 950 86/GOOD 16 1824 99/GOOD 19 2384 FT ST JOHN 23/POOR 15 867 97/GOOD 15 2678 99/GOOD 22 2510 WHITEHORSE 47/FAIR 16 1219 80/GOOD 12 2374 91/GOOD 17 2239 DAWSON 16/POOR 16 453 90/GOOD 16 1956 99/GOOD 21 2325 WATSON LAKE 16/POOR 13 791 99/GOOD 17 2500 98/GOOD 23 2014 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE N 19 N 24 WATSON LAKE NW 9 N 13 WHITEHORSE N 17 N 11 MAYO NW 22 NW 22 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 56/GOOD 17 634 49/FAIR 20 441 37/FAIR 10 564 FRASER VALLEY 34/FAIR 14 420 61/GOOD 23 606 56/GOOD 12 961 SRN VAN ISLD 45/FAIR 17 477 85/GOOD 36 644 35/FAIR 15 368 CNTRL VAN ISLD 60/GOOD 19 670 75/GOOD 19 970 60/GOOD 12 1029 NRN VAN ISLD 58/GOOD 26 468 80/GOOD 25 827 89/GOOD 30 846 TERRACE 42/FAIR 11 843 51/FAIR 11 1065 59/GOOD 11 1280 STEWART 42/FAIR 14 508 50/FAIR 11 831 51/FAIR 12 792 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER W 9 SW 22 W 37 SANDSPIT NW 39 N 33 N 31 PORT HARDY NW 46 NW 30 NW 31 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/