FPCN39 CWLW 221400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 22 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 24/POOR 405 15 100/GOOD 1568 12 100/GOOD 1486 9 KAMLOOPS 22/POOR 495 14 100/GOOD 1866 15 100/GOOD 1833 8 OKANAGAN 18/POOR 533 13 100/GOOD 1862 12 100/GOOD 1843 10 CASTLEGAR 13/POOR 546 6 83/GOOD 1802 6 100/GOOD 1667 9 CRANBROOK 18/POOR 1079 11 100/GOOD 2393 10 100/GOOD 2577 16 REVELSTOKE 17/POOR 535 12 100/GOOD 1911 9 100/GOOD 1884 10 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 15 W 20 CRANBROOK W 9 W 26 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 25/POOR 699 17 100/GOOD 1566 23 82/GOOD 1951 12 100 MILE 24/POOR 1103 12 100/GOOD 2627 15 82/GOOD 1803 19 WILLIAMS LK 22/POOR 1092 13 100/GOOD 2343 14 55/GOOD 1524 10 PUNTZI MNT 16/POOR 966 22 100/GOOD 1587 22 100/GOOD 2163 12 PR. GEORGE 16/POOR 751 20 69/GOOD 1146 22 61/GOOD 1257 13 BURNS LAKE 19/POOR 783 28 69/GOOD 885 22 100/GOOD 1936 11 SMITHERS 36/FAIR 717 24 86/GOOD 1028 17 100/GOOD 1897 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 44 W 52 SMITHERS SW 52 W 61 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 57/GOOD 639 31 100/GOOD 2167 15 100/GOOD 2549 22 FT STJOHN 52/FAIR 915 35 100/GOOD 1983 33 100/GOOD 2573 25 WHITEHORSE 60/GOOD 1309 11 100/GOOD 1657 14 100/GOOD 2059 22 DAWSON 26/POOR 552 17 82/GOOD 2113 6 84/GOOD 2028 8 WATSON LAKE 64/GOOD 1118 15 100/GOOD 2172 16 100/GOOD 2550 22 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 26 SW 37 WATSON LAKE W 37 W 37 WHITEHORSE SW 28 SW 33 MAYO NW 11 NW 17 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 17/POOR 109 7 43/FAIR 305 6 43/FAIR 247 18 FRASER VLY 16/POOR 151 8 43/FAIR 826 7 43/FAIR 754 9 SRN VRISL 13/POOR 79 8 43/FAIR 236 3 43/FAIR 254 12 CNTRL VRISL 13/POOR 79 5 43/FAIR 689 2 43/FAIR 425 12 NRN VRISL 22/POOR 127 20 43/FAIR 77 15 43/FAIR 181 8 TERRACE 41/FAIR 436 26 43/FAIR 289 17 43/FAIR 1536 6 STEWART 39/FAIR 247 23 41/FAIR 321 14 43/FAIR 915 6 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 11 W 19 SANDSPIT SW 50 SW 43 SW 43 PORT HARDY SW 40 SW 35 W 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^