FPCN39 CWLW 221400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 22 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 34/FAIR 475 20 100/GOOD 2355 14 100/GOOD 1995 14 KAMLOOPS 15/POOR 466 5 100/GOOD 2129 8 100/GOOD 2536 12 OKANAGAN 39/FAIR 639 23 100/GOOD 2598 7 100/GOOD 2548 17 CASTLEGAR 16/POOR 649 4 100/GOOD 2012 9 100/GOOD 2548 13 CRANBROOK 21/POOR 1039 13 100/GOOD 2695 24 100/GOOD 2047 27 REVELSTOKE 17/POOR 536 12 100/GOOD 2460 6 35/FAIR 591 19 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 0 0 SW 9 CRANBROOK 0 0 W 13 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 16/POOR 622 17 100/GOOD 2042 13 100/GOOD 2130 17 100 MILE 16/POOR 1025 17 100/GOOD 2457 6 100/GOOD 2410 18 WILLIAMS LK 19/POOR 1053 14 97/GOOD 2794 4 100/GOOD 2503 13 PUNTZI MNT 38/FAIR 1152 19 100/GOOD 3699 16 100/GOOD 3145 19 PR. GEORGE 14/POOR 735 14 100/GOOD 1909 19 100/GOOD 2185 21 BURNS LAKE 13/POOR 743 13 100/GOOD 1933 5 100/GOOD 2194 17 SMITHERS 12/POOR 561 5 100/GOOD 2323 6 100/GOOD 1568 14 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 24 W 48 SMITHERS SW 22 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 20/POOR 530 10 78/GOOD 1833 1 71/GOOD 1532 12 FT STJOHN 17/POOR 801 11 100/GOOD 2946 5 100/GOOD 3044 16 WHITEHORSE 90/GOOD 1271 18 100/GOOD 1569 19 100/GOOD 1932 15 DAWSON 35/FAIR 818 10 100/GOOD 2096 17 100/GOOD 2609 17 WATSON LAKE 20/POOR 846 8 100/GOOD 2286 6 100/GOOD 2203 11 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 19 W 22 WATSON LAKE W 46 NW 31 WHITEHORSE W 19 0 0 MAYO W 13 NW 13 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 16/POOR 62 18 80/GOOD 1500 12 80/GOOD 1500 6 FRASER VLY 13/POOR 99 10 80/GOOD 1528 14 80/GOOD 1528 10 SRN VRISL 16/POOR 112 13 80/GOOD 1500 21 80/GOOD 1500 5 CNTRL VRISL 14/POOR 76 12 85/GOOD 781 9 85/GOOD 781 2 NRN VRISL 36/FAIR 284 18 56/GOOD 620 19 67/GOOD 783 11 TERRACE 15/POOR 307 7 100/GOOD 1721 12 55/GOOD 773 10 STEWART 46/FAIR 459 9 64/GOOD 643 11 40/FAIR 269 9 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER 0 0 0 0 S 11 SANDSPIT SW 29 SW 35 SW 35 PORT HARDY N 18 W 9 SW 15 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/CC $$$$^^