FPCN39 CWLW 011400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 1 JULY 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 1240 11 100/GOOD 2351 13 100/GOOD 1343 12 KAMLOOPS 80/GOOD 1124 20 100/GOOD 2422 16 100/GOOD 1767 16 OKANAGAN 80/GOOD 1279 14 100/GOOD 2645 16 100/GOOD 2733 16 CASTLEGAR 53/FAIR 994 13 100/GOOD 2486 11 100/GOOD 2574 11 CRANBROOK 60/FAIR 1075 9 100/GOOD 2930 17 100/GOOD 3539 21 REVELSTOKE 52/FAIR 1181 7 100/GOOD 2260 9 100/GOOD 1854 14 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 20 W 31 CRANBROOK SW 19 SW 57 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 54/FAIR 1171 20 89/GOOD 1395 14 100/GOOD 1732 16 100 MILE 54/FAIR 1584 19 100/GOOD 2535 15 100/GOOD 2940 16 WILLIAMS LK 54/FAIR 1714 20 100/GOOD 2664 12 100/GOOD 2702 19 PUNTZI MNT 62/GOOD 1663 10 78/GOOD 2297 10 100/GOOD 2295 17 PR. GEORGE 60/GOOD 1442 18 100/GOOD 2412 16 100/GOOD 1668 18 BURNS LAKE 60/GOOD 1849 14 100/GOOD 2695 11 100/GOOD 2759 22 SMITHERS 60/GOOD 1730 13 100/GOOD 2510 12 100/GOOD 2447 20 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 37 SW 41 SMITHERS SW 19 SW 26 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 40/FAIR 497 15 100/GOOD 2022 5 100/GOOD 1986 21 FT STJOHN 39/FAIR 929 22 100/GOOD 3126 4 100/GOOD 2574 28 WHITEHORSE 67/GOOD 1336 13 90/GOOD 1623 9 100/GOOD 2454 8 DAWSON 72/GOOD 878 17 100/GOOD 2926 9 100/GOOD 1683 18 WATSON LAKE 40/FAIR 834 19 96/GOOD 2990 6 100/GOOD 2420 17 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 15 0 0 WATSON LAKE NW 30 W 26 WHITEHORSE SW 15 0 0 MAYO NE 28 E 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 81/GOOD 706 17 100/GOOD 890 10 100/GOOD 999 17 FRASER VLY 73/GOOD 760 13 100/GOOD 1537 17 100/GOOD 1524 17 SRN VRISL 77/GOOD 491 24 100/GOOD 874 21 100/GOOD 1157 21 CNTRL VRISL 100/GOOD 740 21 100/GOOD 1441 6 100/GOOD 1491 13 NRN VRISL 78/GOOD 698 15 100/GOOD 897 25 100/GOOD 1095 25 TERRACE 80/GOOD 1327 8 100/GOOD 1973 9 100/GOOD 2010 11 STEWART 54/FAIR 595 8 50/FAIR 647 6 72/GOOD 762 11 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 12 W 19 W 35 SANDSPIT SW 24 SW 24 SW 22 PORT HARDY SW 22 SW 28 W 41 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^