FPCN39 CWLW 191330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 19 AUGUST 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. 19-August-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 62/GOOD 11 1396 91/GOOD 13 2225 93/GOOD 15 2065 KAMLOOPS 91/GOOD 13 2367 97/GOOD 11 3029 99/GOOD 19 2725 OKANAGAN 87/GOOD 15 2036 99/GOOD 13 3173 99/GOOD 16 2840 CASTLEGAR 69/GOOD 12 1776 99/GOOD 13 3336 99/GOOD 14 3532 CRANBROOK 85/GOOD 15 2461 99/GOOD 19 3786 99/GOOD 22 3863 REVELSTOKE 73/GOOD 13 1766 90/GOOD 12 2589 84/GOOD 11 2481 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 NW 31 NW 24 CRANBROOK W 24 W 33 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 77/GOOD 14 1877 97/GOOD 14 2672 73/GOOD 9 2426 100 MILE 99/GOOD 18 2667 86/GOOD 10 3252 64/GOOD 8 2612 WILLIAMS LAKE 83/GOOD 14 2477 92/GOOD 11 3371 67/GOOD 8 2783 PUNTZI MTN 76/GOOD 16 2053 99/GOOD 15 3074 96/GOOD 14 2987 PRINCE GEORGE 77/GOOD 21 1579 99/GOOD 22 2574 95/GOOD 14 2752 BURNS LAKE 75/GOOD 19 1491 99/GOOD 21 2437 84/GOOD 12 2380 SMITHERS 70/GOOD 17 1460 99/GOOD 18 2544 72/GOOD 9 2355 MCBRIDE 58/GOOD 12 1679 85/GOOD 14 2362 84/GOOD 11 2737 CLEARWATER 84/GOOD 17 1702 92/GOOD 12 2630 64/GOOD 7 2302 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE W 39 W 28 SMITHERS W 26 0 0 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 73/GOOD 20 1241 99/GOOD 19 2041 82/GOOD 14 1886 FT ST JOHN 51/FAIR 15 1315 72/GOOD 22 1446 99/GOOD 22 3205 WHITEHORSE 66/GOOD 20 1410 96/GOOD 16 2529 94/GOOD 14 2702 DAWSON 33/FAIR 12 778 79/GOOD 10 2351 95/GOOD 12 2740 WATSON LAKE 32/POOR 5 1587 99/GOOD 13 3135 53/FAIR 4 3203 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 19 W 19 WATSON LAKE 0 0 0 0 WHITEHORSE SW 22 S 22 MAYO 0 0 0 0 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 17/POOR 6 234 62/GOOD 12 1077 35/FAIR 8 656 FRASER VALLEY 33/POOR 10 529 66/GOOD 13 1141 58/GOOD 12 1016 SRN VAN ISLD 27/POOR 17 224 58/GOOD 13 894 45/FAIR 16 500 CNTRL VAN ISLD 27/POOR 17 232 60/GOOD 12 1048 38/FAIR 8 785 NRN VAN ISLD 18/POOR 10 196 58/GOOD 12 987 54/FAIR 17 617 TERRACE 42/FAIR 9 992 56/GOOD 11 1197 62/GOOD 10 1490 STEWART 36/FAIR 8 685 62/GOOD 14 928 42/FAIR 10 705 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 W 15 W 31 SANDSPIT SW 15 W 13 W 22 PORT HARDY SW 13 S 15 SW 13 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/