FPCN39 CWLW 211345 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 21 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. 21-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 13/POOR 8 316 35/FAIR 10 749 53/FAIR 7 1640 KAMLOOPS 12/POOR 6 439 77/GOOD 13 1783 88/GOOD 13 2242 OKANAGAN 17/POOR 9 626 78/GOOD 13 1929 70/GOOD 11 1907 CASTLEGAR 12/POOR 3 691 66/GOOD 10 1922 66/GOOD 9 2078 CRANBROOK 14/POOR 10 1021 67/GOOD 11 2253 86/GOOD 15 2474 REVELSTOKE 13/POOR 4 647 54/GOOD 6 2162 76/GOOD 11 2126 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PENTICTON 0 0 N 11 NW 11 CRANBROOK 0 0 W 15 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 10 993 99/GOOD 16 2515 81/GOOD 14 2030 100 MILE 16/POOR 6 1153 73/GOOD 15 2074 89/GOOD 17 2422 WILLIAMS LAKE 45/FAIR 14 1490 71/GOOD 10 2550 73/GOOD 12 2367 PUNTZI MTN 18/POOR 12 1055 96/GOOD 15 2835 65/GOOD 9 2441 PRINCE GEORGE 14/POOR 10 787 93/GOOD 14 2634 85/GOOD 15 2223 BURNS LAKE 20/POOR 15 687 87/GOOD 12 2553 93/GOOD 17 2157 SMITHERS 22/POOR 16 678 87/GOOD 12 2525 84/GOOD 15 2010 MCBRIDE 32/POOR 9 1246 62/GOOD 10 2013 73/GOOD 11 2263 CLEARWATER 14/POOR 7 532 59/GOOD 10 1581 91/GOOD 15 2142 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m PR. GEORGE NE 19 N 30 SMITHERS 0 0 NE 17 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 12/POOR 6 466 53/FAIR 8 1611 21/POOR 2 1489 FT ST JOHN 24/POOR 18 858 99/GOOD 20 3155 99/GOOD 13 3339 WHITEHORSE 47/FAIR 24 1049 99/GOOD 17 2757 98/GOOD 18 2399 DAWSON 15/POOR 3 724 80/GOOD 13 1913 74/GOOD 9 2318 WATSON LAKE 22/POOR 21 805 57/GOOD 8 2104 77/GOOD 11 2413 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m DEASE LAKE W 9 W 9 WATSON LAKE NW 13 W 9 WHITEHORSE SW 35 S 37 MAYO S 19 S 28 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 32/POOR 15 308 27/POOR 9 382 18/POOR 5 325 FRASER VALLEY 37/FAIR 18 376 52/FAIR 12 866 39/FAIR 9 738 SRN VAN ISLD 29/POOR 19 229 32/POOR 17 289 19/POOR 7 276 CNTRL VAN ISLD 25/POOR 16 217 33/POOR 6 820 17/POOR 2 780 NRN VAN ISLD 23/POOR 13 234 41/FAIR 12 577 59/GOOD 23 529 TERRACE 13/POOR 7 328 64/GOOD 8 1913 66/GOOD 10 1630 STEWART 12/POOR 7 74 42/FAIR 11 636 39/FAIR 9 707 FORECAST UPPER WINDS FOR THIS AFTERNOON 900m 1800m 2700m VANCOUVER 0 0 W 15 NW 11 SANDSPIT N 22 N 26 N 26 PORT HARDY N 30 N 24 N 28 VENTILATION GUIDELINES: POOR: 0-33 FAIR: 34-54 GOOD: 55-100 VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/