2 FPCN39 CWLW 251530 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 25 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 9 -3 200 2 45 -2 200 2 KAMLOOPS KEL 9 -3 350 2 48 -1 600 2 OKANAGAN KEL 12 -2 500 2 52 -1 600 2 CASTLEGAR SPOK 18 -2 750 4 33 -1 950 6 CRANBROOK SPOK 9 -7 950 14 18 -6 950 14 REVELSTOKE KEL 10 -3 500 2 16 -2 600 2 *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 NW 19 NW 33 CRANBROOK NW 11 NW 37 TODAY'S VENTING: POOR THIS MORNING BECOMING FAIR THIS AFTERNOON EXCEPT REMAINING POOR IN THE EASTERN AREAS. 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. 9 -5 950 10 9 -5 950 10 PR. GEORGE P.G. 21 -8 950 4 23 -7 1000 4 SMITHERS P.G. 9 -11 500 3 9 -8 550 3 WELLS GRAY P.G. 43 -3 1400 10 9 -7 1000 10 FT NLSN F.N. 9 -23 400 3 18 -20 600 4 FT STJOHN F.N. 15 -18 800 6 21 -14 900 6 *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 24 W 31 SMITHERS SW 39 SW 31 TODAY'S VENTING: POOR DUE TO STRONG INVERSION. 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 9 6 100 7 62 7 100 7 FRASER VLY QUIL 9 3 50 7 57 6 50 7 SRN VRISL QUIL 9 5 0 0 59 8 150 0 CNTRL VRISL QUIL 9 3 50 0 57 6 50 0 NRN VRISL HRDY 18 5 200 5 61 7 350 8 TERRACE ANT 9 -5 200 36 9 -3 200 36 STEWART ANT 9 -5 0 15 9 -3 0 15 *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 S 9 W 19 W 30 PORT HARDY S 41 S 31 SW 39 SANDSPIT S 41 S 35 SW 35 TODAY'S VENTING: GOOD IN THE SOUTH BUT REMAINING POOR IN THE NORTHWEST DUE TO STRONG INVERSION. VENTING FOR TUESDAY: POOR VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/AMK -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 38:11:50 This session: 00:01:24 --------Total Usage time: 38:13:14 Today's usage time: 00:05:27 This month's usage time: 01:54:14 ----This account expires: 12/31/96