2 FPCN39 CWLW 241532 SMOKE CONTROL FORECAST FOR COASTAL BC AND THE INTERIOR INCLUDING THE NORTHEAST ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 8:00 AM PST MONDAY 24 FEBRUARY 1997 FOR TODAY. VENTILATION INDICES (TEMPERATURE) AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KNOTS. SPOT INDICES ARE DETERMINED BY THE ASPECT AND ELEVATION OF THE SITES. COMPARE WINDS, TEMPERATURES AND ELEVATION WITH THE SITES HERE TO DETERMINE THE INDEX IN ANY OTHER AREA. SOUTHERN INTERIOR UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) FRSR CANYN KEL 13 4 550 1 33 11 1200 3 KAMLOOPS KEL 14 3 600 2 28 9 1150 3 OKANAGAN KEL 13 2 550 1 26 8 1050 3 CASTLEGAR SPOK 11 2 850 0 31 7 1050 4 CRANBROOK SPOK 12 0 950 7 43 6 1450 8 REVELSTOKE KEL 12 2 600 2 22 6 1000 3 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 W 17 NW 26 CRANBROOK VR 5 NW 26 TODAY'S VENTING: POOR. VENTING FOR TUESDAY: POOR. CENTRAL INTERIOR/NORTHEAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) WILLIAMS L P.G. 13 2 950 11 23 7 950 11 PR. GEORGE P.G. 11 3 900 1 31 8 1050 8 SMITHERS P.G. 12 2 800 1 33 7 950 8 WELLS GRAY P.G. 12 2 1000 11 21 7 1000 11 FT NLSN F.N. 10 0 400 6 14 4 450 6 FT STJOHN F.N. 12 6 700 12 20 9 700 12 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE W 65 W 78 SMITHERS W 48 W 78 TODAY'S VENTING: POOR. VENTING FOR TUESDAY: POOR COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 11 5 150 4 17 10 300 4 FRASER VLY QUIL 13 6 150 4 33 13 650 4 SRN VRISL QUIL 10 6 150 0 21 12 400 3 CNTRL VRISL QUIL 12 5 165 3 21 12 450 3 NRN VRISL HRDY 14 4 200 3 25 9 400 4 TERRACE ANT 12 3 200 24 23 6 200 24 STEWART ANT 11 3 0 14 20 6 0 14 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 9 NW 26 NW 37 PORT HARDY SW 30 W 37 W 52 SANDSPIT NW 11 W 26 W 41 TODAY'S VENTING: POOR. VENTING FOR TUESDAY: POOR VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MWSO -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 45:24:00 This session: 00:01:25 --------Total Usage time: 45:25:25 Today's usage time: 00:05:22 This month's usage time: 02:00:02 ----This account expires: 12/31/97