FPCN39 CWLW 261400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 26 AUGUST 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 100/GOOD 1386 13 100/GOOD 2276 17 100/GOOD 2274 12 KAMLOOPS 65/GOOD 728 22 100/GOOD 1662 12 100/GOOD 2547 8 OKANAGAN 100/GOOD 1235 17 100/GOOD 2333 22 100/GOOD 2540 11 CASTLEGAR 86/GOOD 1074 15 100/GOOD 2446 15 100/GOOD 2734 11 CRANBROOK 51/FAIR 1286 16 100/GOOD 3302 24 100/GOOD 3180 17 REVELSTOKE 51/FAIR 877 12 75/GOOD 1074 10 100/GOOD 1898 12 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 19 SW 35 CRANBROOK SW 15 W 46 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 72/GOOD 981 19 100/GOOD 1857 20 100/GOOD 2107 13 100 MILE 100/GOOD 2222 23 100/GOOD 2837 23 100/GOOD 2895 13 WILLIAMS LK 100/GOOD 2179 20 100/GOOD 2654 19 100/GOOD 2866 12 PUNTZI MNT 100/GOOD 1849 17 100/GOOD 2540 25 100/GOOD 2586 22 PR. GEORGE 100/GOOD 1278 23 100/GOOD 1892 26 100/GOOD 1991 18 BURNS LAKE 100/GOOD 1382 23 100/GOOD 1851 27 100/GOOD 2183 21 SMITHERS 100/GOOD 1266 16 100/GOOD 1650 23 100/GOOD 1579 15 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 31 SW 39 SMITHERS S 46 SW 67 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 59/GOOD 840 15 82/GOOD 874 22 100/GOOD 1723 27 FT STJOHN 100/GOOD 1411 33 100/GOOD 2435 25 100/GOOD 2459 23 WHITEHORSE 100/GOOD 1494 22 100/GOOD 2004 16 82/GOOD 2132 5 DAWSON 100/GOOD 1159 23 100/GOOD 1760 17 67/GOOD 1880 5 WATSON LAKE 70/GOOD 1154 5 83/GOOD 1152 24 100/GOOD 2178 18 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 20 S 39 WATSON LAKE S 30 S 31 WHITEHORSE E 19 SE 15 MAYO SE 33 SE 35 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 100/GOOD 938 30 100/GOOD 1279 24 100/GOOD 1012 19 FRASER VLY 98/GOOD 737 18 100/GOOD 1407 19 100/GOOD 1444 15 SRN VRISL 100/GOOD 727 23 100/GOOD 1149 18 50/FAIR 529 12 CNTRL VRISL 100/GOOD 923 24 100/GOOD 1573 15 100/GOOD 1227 11 NRN VRISL 46/FAIR 374 17 100/GOOD 822 26 77/GOOD 700 15 TERRACE 96/GOOD 906 12 100/GOOD 1237 14 56/GOOD 815 7 STEWART 73/GOOD 540 12 83/GOOD 594 14 29/POOR 501 4 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 18 SW 30 SW 41 SANDSPIT W 42 SW 41 SW 44 PORT HARDY S 46 S 50 SW 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^