2 FPCN39 CWLW 291532 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 FRIDAY 29 NOVEMBER 1996 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 12 0 500 1 13 2 500 1 KAMLOOPS KEL 11 -1 500 1 18 2 650 3 OKANAGAN KEL 10 -3 450 1 18 2 650 3 CASTLEGAR SPOK 26 0 750 7 32 2 850 8 CRANBROOK SPOK 10 -2 950 11 10 -2 950 11 REVELSTOKE KEL 15 1 650 3 24 2 850 4 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 SW 9 W 24 CRANBROOK W 9 NW 26 TODAY'S VENTING: POOR. VENTING FOR SATURDAY: 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. 25 -4 1300 5 27 -3 1300 5 PR. GEORGE P.G. 31 -4 1000 8 45 -3 1200 8 SMITHERS P.G. 9 -8 500 3 27 -3 800 7 WELLS GRAY P.G. 25 -3 1350 5 25 -3 1350 5 FT NLSN F.N. 9 -8 400 0 9 -8 400 0 FT STJOHN F.N. 27 -6 850 11 29 -4 900 11 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE S 37 SW 35 SMITHERS S 46 SW 35 TODAY'S VENTING: POOR. VENTING FOR SATURDAY: POOR. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 9 5 100 3 13 7 250 3 FRASER VLY QUIL 9 5 50 3 14 7 200 3 SRN VRISL QUIL 9 6 150 0 12 8 250 2 CNTRL VRISL QUIL 9 4 50 0 12 7 200 2 NRN VRISL HRDY 9 5 100 0 24 7 300 5 TERRACE ANT 9 0 200 29 9 1 200 29 STEWART ANT 9 2 0 14 9 1 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SE 24 SW 30 SW 41 PORT HARDY S 70 S 72 SW 50 SANDSPIT S 69 SW 69 SW 70 TODAY'S VENTING: POOR. VENTING FOR SATURDAY: POOR. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/DSL -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 38:32:05 This session: 00:01:19 --------Total Usage time: 38:33:24 Today's usage time: 00:04:01 This month's usage time: 02:14:24 ----This account expires: 12/31/96