FPCN39 CWLW 181400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 18 SEPTEMBER 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 1092 13 100/GOOD 1665 16 100/GOOD 2055 14 KAMLOOPS 100/GOOD 1617 23 100/GOOD 1759 12 100/GOOD 2002 29 OKANAGAN 100/GOOD 1185 22 100/GOOD 1941 13 100/GOOD 2280 26 CASTLEGAR 100/GOOD 1354 18 100/GOOD 2079 12 100/GOOD 2430 22 CRANBROOK 100/GOOD 1904 20 100/GOOD 2644 20 100/GOOD 2486 26 REVELSTOKE 100/GOOD 1474 21 100/GOOD 1751 12 100/GOOD 2072 19 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 22 W 26 CRANBROOK W 11 W 37 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 100/GOOD 1722 20 100/GOOD 1984 17 100/GOOD 1867 22 100 MILE 100/GOOD 2186 28 100/GOOD 2359 10 100/GOOD 1806 30 WILLIAMS LK 100/GOOD 2040 19 100/GOOD 2423 14 100/GOOD 1582 22 PUNTZI MNT 41/FAIR 1202 18 100/GOOD 1793 12 100/GOOD 2227 22 PR. GEORGE 100/GOOD 1354 24 100/GOOD 2142 17 100/GOOD 2520 22 BURNS LAKE 60/GOOD 1033 25 100/GOOD 1833 17 100/GOOD 2169 22 SMITHERS 59/GOOD 1204 19 100/GOOD 1387 10 100/GOOD 1887 20 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 52 W 72 SMITHERS SW 61 SW 81 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 30/POOR 516 33 100/GOOD 2373 20 100/GOOD 1543 15 FT STJOHN 100/GOOD 1192 37 100/GOOD 2545 33 100/GOOD 2343 28 WHITEHORSE 33/POOR 934 30 100/GOOD 1404 13 100/GOOD 2136 13 DAWSON 55/GOOD 696 22 100/GOOD 1508 20 100/GOOD 1688 17 WATSON LAKE 19/POOR 764 27 100/GOOD 2011 29 100/GOOD 2364 24 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 35 SW 59 WATSON LAKE SW 39 SW 39 WHITEHORSE S 35 SW 50 MAYO S 19 S 31 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 19/POOR 116 15 46/FAIR 756 6 49/FAIR 369 28 FRASER VLY 29/POOR 318 10 40/FAIR 345 9 49/FAIR 695 13 SRN VRISL 17/POOR 91 19 41/FAIR 275 4 44/FAIR 656 11 CNTRL VRISL 23/POOR 155 24 36/FAIR 571 0 37/FAIR 259 24 NRN VRISL 13/POOR 44 10 32/FAIR 331 16 83/GOOD 411 36 TERRACE 42/FAIR 726 14 54/FAIR 714 9 100/GOOD 1501 10 STEWART 29/POOR 427 15 49/FAIR 517 5 73/GOOD 564 13 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 W 26 W 41 SANDSPIT SW 61 SW 70 SW 72 PORT HARDY S 59 SW 61 W 61 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^