FPCN39 CWLW 261332 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SUNDAY 26 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. 26-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 17/POOR 8 406 65/GOOD 12 1380 73/GOOD 15 1363 KAMLOOPS 16/POOR 8 513 75/GOOD 13 1715 82/GOOD 17 1605 OKANAGAN 12/POOR 5 563 63/GOOD 9 1931 65/GOOD 11 1706 CASTLEGAR 17/POOR 16 591 46/FAIR 5 2072 82/GOOD 12 2274 CRANBROOK 20/POOR 13 1102 77/GOOD 9 3004 99/GOOD 18 3233 REVELSTOKE 15/POOR 10 549 53/FAIR 7 1875 68/GOOD 12 1682 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SW 26 SW 26 CRANBROOK 0 0 SW 22 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 32/POOR 25 725 55/GOOD 11 1505 73/GOOD 20 1399 100 MILE 27/POOR 22 1099 77/GOOD 16 2105 38/FAIR 12 1445 WILLIAMS LAKE 28/POOR 20 1125 64/GOOD 13 1972 46/FAIR 12 1608 PUNTZI MTN 17/POOR 13 1022 71/GOOD 14 2069 92/GOOD 22 2138 PRINCE GEORGE 29/POOR 25 852 21/POOR 3 1436 13/POOR 21 726 BURNS LAKE 31/POOR 23 739 50/FAIR 16 1115 69/GOOD 18 1404 SMITHERS 33/POOR 20 761 28/POOR 17 745 73/GOOD 17 1519 MCBRIDE 44/FAIR 19 1117 84/GOOD 14 2330 82/GOOD 15 2156 CLEARWATER 20/POOR 16 519 70/GOOD 12 1723 49/FAIR 9 1390 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE SW 41 SW 44 SMITHERS S 67 SW 70 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 17 484 79/GOOD 11 2163 40/FAIR 9 1111 FT ST JOHN 25/POOR 15 905 99/GOOD 29 2379 99/GOOD 29 2309 WHITEHORSE 52/FAIR 16 1304 92/GOOD 18 2197 88/GOOD 26 1633 DAWSON 28/POOR 17 589 72/GOOD 10 2007 51/FAIR 4 2724 WATSON LAKE 36/FAIR 20 969 97/GOOD 17 2441 99/GOOD 27 2255 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE S 54 S 52 WATSON LAKE S 28 S 33 WHITEHORSE SE 30 SE 28 MAYO SE 20 SE 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 18/POOR 19 95 12/POOR 3 204 16/POOR 4 325 FRASER VALLEY 15/POOR 11 155 26/POOR 5 704 40/FAIR 8 857 SRN VAN ISLD 9/POOR 1 47 10/POOR 1 234 15/POOR 5 222 CNTRL VAN ISLD 10/POOR 4 66 19/POOR 3 646 29/POOR 7 575 NRN VAN ISLD 23/POOR 20 159 43/FAIR 16 478 15/POOR 8 151 TERRACE 24/POOR 20 360 11/POOR 19 239 47/FAIR 12 903 STEWART 25/POOR 15 218 22/POOR 16 164 39/FAIR 13 494 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER SW 13 SW 33 SW 46 SANDSPIT S 41 SW 35 SW 50 PORT HARDY SW 37 SW 57 SW 78 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/