FPCN39 CWLW 051330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 5 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. 05-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 87/GOOD 25 1186 99/GOOD 13 2712 89/GOOD 16 1791 KAMLOOPS 73/GOOD 21 1150 99/GOOD 14 2841 99/GOOD 21 2395 OKANAGAN 61/GOOD 16 1231 99/GOOD 20 2539 96/GOOD 15 2406 CASTLEGAR 56/GOOD 14 1278 99/GOOD 18 2577 92/GOOD 13 2563 CRANBROOK 71/GOOD 12 2281 99/GOOD 26 2775 99/GOOD 20 2847 REVELSTOKE 44/FAIR 14 982 76/GOOD 13 1851 76/GOOD 12 1959 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 W 43 W 37 CRANBROOK W 24 W 56 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 72/GOOD 20 1370 99/GOOD 16 2712 63/GOOD 12 1649 100 MILE 68/GOOD 22 1617 99/GOOD 20 3420 96/GOOD 16 2763 WILLIAMS LAKE 72/GOOD 21 1722 99/GOOD 17 3341 81/GOOD 15 2327 PUNTZI MTN 60/GOOD 15 1723 99/GOOD 21 3115 91/GOOD 19 2292 PRINCE GEORGE 63/GOOD 22 1292 99/GOOD 21 2436 56/GOOD 12 1595 BURNS LAKE 73/GOOD 21 1364 99/GOOD 24 2086 85/GOOD 20 1671 SMITHERS 62/GOOD 15 1376 90/GOOD 20 1794 74/GOOD 18 1482 MCBRIDE 61/GOOD 12 1767 99/GOOD 18 3198 69/GOOD 13 1913 CLEARWATER 72/GOOD 16 1430 99/GOOD 17 2653 71/GOOD 10 2007 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NW 31 W 31 SMITHERS W 39 W 28 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 93/GOOD 33 1219 99/GOOD 34 2218 99/GOOD 24 2281 FT ST JOHN 83/GOOD 32 1367 99/GOOD 39 2961 99/GOOD 37 2348 WHITEHORSE 78/GOOD 24 1511 86/GOOD 20 1857 90/GOOD 23 1824 DAWSON 64/GOOD 17 1165 66/GOOD 8 2145 99/GOOD 23 1826 WATSON LAKE 99/GOOD 29 1749 99/GOOD 27 2423 69/GOOD 14 1775 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 44 W 52 WATSON LAKE W 61 W 41 WHITEHORSE W 41 W 17 MAYO W 24 W 24 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 70/GOOD 23 679 69/GOOD 18 921 52/FAIR 14 682 FRASER VALLEY 57/GOOD 16 755 81/GOOD 17 1285 63/GOOD 12 1153 SRN VAN ISLD 58/GOOD 27 441 58/GOOD 22 912 52/FAIR 16 615 CNTRL VAN ISLD 66/GOOD 22 672 56/GOOD 15 1150 76/GOOD 15 1230 NRN VAN ISLD 60/GOOD 18 699 84/GOOD 24 953 43/FAIR 21 363 TERRACE 55/GOOD 19 779 59/GOOD 19 845 51/FAIR 19 712 STEWART 45/FAIR 15 529 51/GOOD 16 585 43/FAIR 16 458 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER NW 17 W 20 W 39 SANDSPIT NW 26 NW 28 NW 30 PORT HARDY W 30 W 31 W 35 VENTILLATION GUIDLINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/GF