FPCN39 CWLW 021431 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST FRIDAY 2 MARCH 2001 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 78/GOOD 691 16 100/GOOD 1108 19 100/GOOD 1776 8 KAMLOOPS 19/POOR 435 22 100/GOOD 1890 23 100/GOOD 2018 10 OKANAGAN 100/GOOD 1411 16 100/GOOD 2504 15 100/GOOD 2014 12 CASTLEGAR 79/GOOD 1244 12 100/GOOD 2348 11 94/GOOD 2273 6 CRANBROOK 40/FAIR 1241 17 100/GOOD 2280 14 100/GOOD 2784 8 REVELSTOKE 40/FAIR 862 5 80/GOOD 1266 10 100/GOOD 1853 5 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 17 W 30 CRANBROOK W 9 W 22 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 41/FAIR 727 28 100/GOOD 1492 27 100/GOOD 1847 20 100 MILE 33/POOR 1090 30 100/GOOD 2071 26 100/GOOD 2898 16 WILLIAMS LK 32/POOR 1080 29 100/GOOD 1799 24 100/GOOD 2468 16 PUNTZI MNT 24/POOR 1013 31 100/GOOD 2716 31 100/GOOD 2635 18 PR. GEORGE 50/FAIR 905 29 100/GOOD 1174 29 100/GOOD 1714 16 BURNS LAKE 43/FAIR 920 30 100/GOOD 1852 25 100/GOOD 2033 14 SMITHERS 45/FAIR 808 10 100/GOOD 1673 21 100/GOOD 1703 11 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 44 SW 56 SMITHERS S 37 SW 56 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 13/POOR 414 8 43/FAIR 646 15 27/POOR 984 4 FT STJOHN 47/FAIR 1011 19 100/GOOD 1966 20 100/GOOD 2233 27 WHITEHORSE 45/FAIR 1040 11 50/FAIR 1086 15 45/FAIR 1043 22 DAWSON 15/POOR 415 26 38/FAIR 584 18 21/POOR 536 10 WATSON LAKE 45/FAIR 896 33 42/FAIR 931 24 40/FAIR 1209 8 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 13 S 26 WATSON LAKE SE 31 SE 31 WHITEHORSE SE 15 S 22 MAYO SE 30 SE 43 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 88/GOOD 423 34 81/GOOD 436 26 34/FAIR 456 12 FRASER VLY 84/GOOD 499 27 100/GOOD 782 20 55/GOOD 1071 2 SRN VRISL 98/GOOD 523 24 100/GOOD 621 28 46/FAIR 574 9 CNTRL VRISL 94/GOOD 510 24 100/GOOD 672 25 70/GOOD 925 11 NRN VRISL 72/GOOD 306 38 98/GOOD 415 35 100/GOOD 779 20 TERRACE 27/POOR 373 22 65/GOOD 616 18 73/GOOD 952 8 STEWART 44/FAIR 266 20 30/POOR 156 15 34/FAIR 205 9 FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 31 SW 41 W 37 SANDSPIT W 51 W 54 W 48 PORT HARDY SW 51 W 63 W 56 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/WJW