FPCN39 CWLW 151430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 15 FEBRUARY 2001 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/H. 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 978 23 100/GOOD 1294 19 100/GOOD 942 14 KAMLOOPS 100/GOOD 1098 29 100/GOOD 1566 21 95/GOOD 1209 13 OKANAGAN 100/GOOD 1300 24 100/GOOD 1922 18 93/GOOD 1321 10 CASTLEGAR 72/GOOD 929 18 36/FAIR 690 16 79/GOOD 1105 14 CRANBROOK 100/GOOD 1624 19 100/GOOD 1937 18 67/GOOD 1564 11 REVELSTOKE 100/GOOD 1266 19 100/GOOD 1799 16 69/GOOD 1099 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON NE 9. E 15 E 22 CRANBROOK E 15 E 28 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 39/FAIR 738 23 100/GOOD 1886 23 51/FAIR 1221 8 100 MILE 64/GOOD 1243 28 100/GOOD 2575 22 98/GOOD 1843 13 WILLIAMS LK 56/GOOD 1215 27 100/GOOD 2502 23 85/GOOD 1839 10 PUNTZI MNT 43/FAIR 1124 23 100/GOOD 2298 29 100/GOOD 1678 20 PR. GEORGE 21/POOR 779 28 100/GOOD 2256 24 34/FAIR 1232 7 BURNS LAKE 27/POOR 845 28 100/GOOD 1984 22 50/FAIR 1265 9 SMITHERS 20/POOR 625 23 100/GOOD 1694 16 40/FAIR 972 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NE 41 NE 67 SMITHERS NE 33 NE 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 39/FAIR 570 27 100/GOOD 1111 18 91/GOOD 957 14 FT STJOHN 100/GOOD 1263 28 100/GOOD 1639 21 19/POOR 802 14 WHITEHORSE 13/POOR 722 12 15/POOR 769 11 14/POOR 757 16 DAWSON 13/POOR 396 23 13/POOR 396 12 13/POOR 392 15 WATSON LAKE 19/POOR 765 24 17/POOR 938 2 17/POOR 842 7 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NE 24 NE 56 WATSON LAKE N 17 N 50 WHITEHORSE SW 17 W 15 MAYO W 52 W 65 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 100/GOOD 861 43 100/GOOD 821 43 100/GOOD 523 50 FRASER VLY 100/GOOD 855 34 100/GOOD 756 35 44/FAIR 265 31 SRN VRISL 100/GOOD 1105 35 100/GOOD 709 33 100/GOOD 768 30 CNTRL VRISL 100/GOOD 883 25 100/GOOD 688 27 100/GOOD 751 37 NRN VRISL 100/GOOD 592 30 100/GOOD 1475 32 100/GOOD 1306 34 TERRACE 48/FAIR 502 20 100/GOOD 1186 14 63/GOOD 680 12 STEWART 16/POOR 77 24 21/POOR 97 24 13/POOR 65 20 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NE 38 E 37 E 17 SANDSPIT NE 37 NE 61 NE 87 PORT HARDY NE 35 NE 41 NE 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/DSL