FPCN39 CWLW 231400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 23 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 17/POOR 381 6 100/GOOD 1637 10 100/GOOD 1565 16 KAMLOOPS 23/POOR 559 9 100/GOOD 1699 11 100/GOOD 2116 20 OKANAGAN 18/POOR 556 9 100/GOOD 1812 10 100/GOOD 1865 13 CASTLEGAR 12/POOR 523 2 90/GOOD 1622 7 100/GOOD 2035 12 CRANBROOK 14/POOR 1007 8 100/GOOD 2636 15 100/GOOD 2310 12 REVELSTOKE 20/POOR 590 10 100/GOOD 2023 10 100/GOOD 2149 11 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 13 SW 17 CRANBROOK 0 0 W 15 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 21/POOR 657 17 100/GOOD 1288 14 86/GOOD 1457 16 100 MILE 14/POOR 1044 3 100/GOOD 2457 10 100/GOOD 2770 17 WILLIAMS LK 16/POOR 1022 14 78/GOOD 1845 12 100/GOOD 2365 12 PUNTZI MNT 24/POOR 1047 21 100/GOOD 2264 19 100/GOOD 2093 13 PR. GEORGE 22/POOR 804 22 73/GOOD 1139 17 53/FAIR 1482 5 BURNS LAKE 90/GOOD 1161 24 100/GOOD 1814 17 76/GOOD 1521 20 SMITHERS 71/GOOD 986 17 100/GOOD 1972 16 100/GOOD 1671 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 43 SW 41 SMITHERS SW 67 SW 89 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 21/POOR 473 26 100/GOOD 2100 16 72/GOOD 1734 7 FT STJOHN 56/GOOD 976 27 100/GOOD 2536 28 100/GOOD 2390 8 WHITEHORSE 100/GOOD 1375 22 100/GOOD 1972 17 100/GOOD 2140 12 DAWSON 51/FAIR 750 15 100/GOOD 1877 17 100/GOOD 1906 14 WATSON LAKE 100/GOOD 1319 25 100/GOOD 2218 20 100/GOOD 2172 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 39 SW 61 WATSON LAKE SW 41 W 61 WHITEHORSE W 9 W 13 MAYO E 9 SE 11 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 15/POOR 69 7 49/FAIR 348 15 36/FAIR 351 14 FRASER VLY 15/POOR 127 8 48/FAIR 726 8 66/GOOD 784 11 SRN VRISL 14/POOR 67 11 46/FAIR 235 7 47/FAIR 255 13 CNTRL VRISL 13/POOR 71 12 51/FAIR 687 9 43/FAIR 690 6 NRN VRISL 14/POOR 102 6 33/POOR 344 14 29/POOR 140 9 TERRACE 73/GOOD 924 12 50/FAIR 259 9 60/GOOD 441 13 STEWART 39/FAIR 568 8 50/FAIR 445 10 58/GOOD 605 8 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 SW 11 SW 19 SANDSPIT SW 50 SW 56 SW 56 PORT HARDY S 31 SW 31 SW 44 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MTNWC $$$$^^