FPCN39 CWLW 161330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 16 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. 16-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 15/POOR 10 332 99/GOOD 14 2546 91/GOOD 18 1673 KAMLOOPS 11/POOR 10 391 94/GOOD 11 2905 99/GOOD 24 2145 OKANAGAN 12/POOR 9 514 83/GOOD 7 3535 82/GOOD 12 2225 CASTLEGAR 18/POOR 15 605 72/GOOD 5 3806 95/GOOD 12 2895 CRANBROOK 30/POOR 22 1128 81/GOOD 2 4269 99/GOOD 21 4141 REVELSTOKE 15/POOR 12 542 88/GOOD 3 3290 62/GOOD 7 2270 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 SE 13 SW 11 CRANBROOK NE 19 W 9 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 12/POOR 6 624 90/GOOD 16 2131 99/GOOD 20 2523 100 MILE 14/POOR 15 1007 99/GOOD 21 3525 99/GOOD 22 3116 WILLIAMS LAKE 13/POOR 6 1050 99/GOOD 19 3291 99/GOOD 17 3217 PUNTZI MTN 13/POOR 11 983 79/GOOD 11 2683 99/GOOD 25 3070 PRINCE GEORGE 11/POOR 7 743 61/GOOD 7 2491 80/GOOD 15 2043 BURNS LAKE 12/POOR 17 579 71/GOOD 12 1905 63/GOOD 14 1486 SMITHERS 16/POOR 19 589 67/GOOD 10 1976 65/GOOD 9 2046 MCBRIDE 16/POOR 15 820 92/GOOD 9 3685 99/GOOD 17 3110 CLEARWATER 15/POOR 12 481 95/GOOD 11 2974 99/GOOD 18 2393 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE 0 0 S 9 SMITHERS SE 31 S 30 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 16 467 68/GOOD 11 1753 63/GOOD 9 1854 FT ST JOHN 12/POOR 7 766 80/GOOD 12 2364 90/GOOD 14 2504 WHITEHORSE 42/FAIR 20 1045 95/GOOD 14 2759 64/GOOD 13 1732 DAWSON 27/POOR 15 606 99/GOOD 18 2413 36/FAIR 7 1142 WATSON LAKE 26/POOR 19 867 74/GOOD 9 2645 67/GOOD 12 1905 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE SW 15 SW 20 WATSON LAKE SW 11 SW 20 WHITEHORSE SW 20 SW 22 MAYO W 22 SW 41 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 25/POOR 18 172 19/POOR 7 280 34/FAIR 11 468 FRASER VALLEY 20/POOR 14 206 41/FAIR 11 673 67/GOOD 15 1019 SRN VAN ISLD 23/POOR 18 170 23/POOR 14 206 37/FAIR 17 354 CNTRL VAN ISLD 13/POOR 6 149 21/POOR 4 589 50/FAIR 11 844 NRN VAN ISLD 16/POOR 5 281 35/FAIR 9 596 74/GOOD 17 1050 TERRACE 14/POOR 20 265 30/POOR 8 726 90/GOOD 16 1809 STEWART 13/POOR 17 48 27/POOR 8 440 44/FAIR 9 834 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER S 13 S 19 S 28 SANDSPIT S 15 S 37 SE 52 PORT HARDY 0 0 SE 24 SE 48 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/LEC