FPCN39 CWLW 281430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 28 FEBRUARY 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 37/FAIR 414 27 100/GOOD 1073 14 100/GOOD 1069 25 KAMLOOPS 20/POOR 445 20 100/GOOD 1492 21 100/GOOD 931 25 OKANAGAN 35/FAIR 599 27 100/GOOD 1308 18 100/GOOD 1069 28 CASTLEGAR 12/POOR 522 6 84/GOOD 1200 12 98/GOOD 1252 13 CRANBROOK 15/POOR 1017 19 100/GOOD 1644 20 80/GOOD 1657 15 REVELSTOKE 22/POOR 571 18 100/GOOD 1291 16 95/GOOD 1082 16 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 31 W 70 CRANBROOK W 24 W 69 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 45/FAIR 727 35 100/GOOD 1650 32 100/GOOD 1043 34 100 MILE 29/POOR 1056 34 100/GOOD 2072 26 100/GOOD 1367 35 WILLIAMS LK 30/POOR 1062 31 100/GOOD 2588 29 97/GOOD 1323 33 PUNTZI MNT 26/POOR 994 36 100/GOOD 2117 31 100/GOOD 1840 23 PR. GEORGE 51/FAIR 892 38 100/GOOD 1699 37 100/GOOD 1179 30 BURNS LAKE 17/POOR 767 30 100/GOOD 1713 36 56/GOOD 990 28 SMITHERS 19/POOR 588 25 64/GOOD 793 28 41/FAIR 745 24 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 67 W 85 SMITHERS W 46 W 69 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 413 28 13/POOR 414 19 25/POOR 857 20 FT STJOHN 31/POOR 833 33 100/GOOD 1551 41 65/GOOD 1380 25 WHITEHORSE 18/POOR 773 23 58/GOOD 1000 23 100/GOOD 1230 26 DAWSON 15/POOR 418 27 30/POOR 614 9 32/POOR 691 9 WATSON LAKE 13/POOR 716 19 13/POOR 716 19 98/GOOD 1166 27 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 30 W 56 WATSON LAKE W 41 W 50 WHITEHORSE W 31 W 46 MAYO W 31 W 48 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 35/FAIR 199 24 27/POOR 297 12 32/POOR 142 42 FRASER VLY 17/POOR 118 21 27/POOR 297 12 59/GOOD 361 27 SRN VRISL 23/POOR 151 12 37/FAIR 318 12 30/POOR 156 33 CNTRL VRISL 28/POOR 189 19 100/GOOD 893 2 50/FAIR 296 32 NRN VRISL 61/GOOD 258 38 100/GOOD 693 17 32/POOR 129 18 TERRACE 24/POOR 334 29 81/GOOD 607 17 18/POOR 295 22 STEWART 19/POOR 122 15 46/FAIR 177 19 12/POOR 32 22 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 11 W 39 NW 87 SANDSPIT W 38 W 50 W 57 PORT HARDY W 22 W 33 W 52 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC