FPCN39 CWLW 121400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PDT FRIDAY 12 MAY 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 955 17 100/GOOD 1592 10 100/GOOD 2677 6 KAMLOOPS 100/GOOD 1115 19 100/GOOD 1974 16 100/GOOD 2067 7 OKANAGAN 100/GOOD 1422 17 100/GOOD 2120 12 100/GOOD 3027 5 CASTLEGAR 68/GOOD 1267 8 100/GOOD 1729 13 100/GOOD 3113 5 CRANBROOK 81/GOOD 1573 15 100/GOOD 2641 15 100/GOOD 2966 5 REVELSTOKE 83/GOOD 1342 7 72/GOOD 1455 6 100/GOOD 2929 6 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 13 W 28 CRANBROOK W 11 W 30 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 28/POOR 772 10 100/GOOD 3608 14 62/GOOD 2987 0 100 MILE 43/FAIR 1322 10 100/GOOD 2203 13 78/GOOD 2906 7 WILLIAMS LK 23/POOR 1219 5 100/GOOD 3074 9 64/GOOD 3846 5 PUNTZI MNT 48/FAIR 1318 13 100/GOOD 2585 15 100/GOOD 3606 7 PR. GEORGE 24/POOR 879 12 100/GOOD 3525 15 100/GOOD 3099 7 BURNS LAKE 15/POOR 790 8 100/GOOD 2631 13 100/GOOD 3060 9 SMITHERS 13/POOR 594 6 100/GOOD 1948 12 100/GOOD 2418 8 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 37 E 31 SMITHERS E 31 E 17 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 534 25 100/GOOD 2722 10 89/GOOD 1015 14 FT STJOHN 14/POOR 741 13 100/GOOD 3859 15 100/GOOD 2949 10 WHITEHORSE 34/FAIR 921 18 100/GOOD 2949 13 100/GOOD 3194 10 DAWSON 100/GOOD 998 22 100/GOOD 2844 19 100/GOOD 3156 19 WATSON LAKE 100/GOOD 1724 15 100/GOOD 3614 12 100/GOOD 1973 25 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE E 30 E 26 WATSON LAKE E 11 E 9 WHITEHORSE N 20 NE 9 MAYO N 20 W 22 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 44/FAIR 881 6 44/FAIR 624 4 59/GOOD 799 13 FRASER VLY 44/FAIR 1106 4 44/FAIR 1265 4 100/GOOD 1933 5 SRN VRISL 44/FAIR 913 9 44/FAIR 502 8 62/GOOD 495 11 CNTRL VRISL 44/FAIR 735 7 44/FAIR 979 6 76/GOOD 960 7 NRN VRISL 63/GOOD 880 8 59/GOOD 1246 13 55/GOOD 890 15 TERRACE 19/POOR 412 7 100/GOOD 1563 9 70/GOOD 2020 4 STEWART 14/POOR 69 5 97/GOOD 929 13 43/FAIR 691 4 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 24 NW 24 NW 22 SANDSPIT 0 0 0 0 0 0 PORT HARDY NW 29 NW 24 NW 13 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/JDG $$$$^^