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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 191430 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 PDT SATURDAY 19 OCTOBER 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 6 500 0 100 10 5000 10 KAMLOOPS KEL 15 7 750 1 100 10 5000 5 OKANAGAN KEL 9 4 500 0 100 9 5000 5 CASTLEGAR GEG 37 4 800 10 100 7 5000 16 CRANBROOK GEG 9 1 950 19 100 5 5000 17 REVELSTOKE KEL 9 5 550 0 21 7 950 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 W 13 NW 20 CRANBROOK W 9 NW 20 INVERSION HT BREAKTHRU TEMP KELOWNA 950 m 8 C SPOKANE 750 m 3 C TODAY'S VENTING: AN UNSTABLE AIRMASS WILL RESULT IN GOOD VENTING THIS AFTERNOON. VENTING FOR SUNDAY: FAIR. VENTING OUTLOOK MONDAY THRU WEDNESDAY: A SERIES OF FRONTAL SYSTEMS WILL CROSS THE PROVINCE. AS A RESULT, VENTING WILL BE GENERALLY FAIR EXCEPT GOOD BRIEFLY IN THE WAKE OF EACH COLD FRONT. 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. 98 1 1950 16 100 4 2750 20 PR. GEORGE P.G. 74 -1 1700 10 91 2 1900 12 SMITHERS ANN 9 0 500 12 47 2 900 13 WELLS GRAY P.G. 94 0 1950 16 100 4 4000 23 FT NLSN F.N. 57 -6 1400 6 58 -4 1400 6 FT STJOHN F.N. 49 -5 1450 7 54 -3 1600 7 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE W 22 W 33 SMITHERS SW 22 W 33 INVERSION HT BREAKTHRU TEMP PR. GEORGE NONE m ## C FT. NELSON NONE m ## C TODAY'S VENTING: GOOD EXCEPT ONLY FAIR IN SMITHERS AND FORT ST JOHN. VENTING FOR SUNDAY: FAIR TO GOOD. VENTING OUTLOOK MONDAY THRU WEDNESDAY: A SERIES OF FRONTAL SYSTEMS WILL CROSS THE PROVINCE. AS A RESULT, VENTING WILL BE GENERALLY FAIR EXCEPT GOOD BRIEFLY IN THE WAKE OF EACH COLD FRONT. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 100 9 1200 20 100 12 2300 21 FRASER VLY QUIL 97 9 1100 16 100 12 2250 19 SRN VRISL QUIL 16 7 200 4 100 13 2450 19 CNTRL VRISL QUIL 16 7 200 4 100 12 2150 19 NRN VRISL HRDY 39 6 400 9 100 10 2050 14 TERRACE ANN 9 3 200 12 69 5 900 13 STEWART ANN 11 4 50 3 12 5 100 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 22 W 30 NW 30 PORT HARDY SW 19 W 24 W 33 SANDSPIT S 61 SW 61 SW 59 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 200 m 8 C PORT HARDY 100 m 6 C ANNETTE 100 m 5 C TODAY'S VENTING: AN UNSTABLE AIRMASS WILL RESULT IN GOOD VENTING TODAY. VENTING FOR SUNDAY: GOOD. VENTING OUTLOOK MONDAY THRU WEDNESDAY: A SERIES OF FRONTAL SYSTEMS WILL CROSS THE PROVINCE. AS A RESULT, VENTING WILL BE GENERALLY FAIR EXCEPT GOOD BRIEFLY IN THE WAKE OF EACH COLD FRONT. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/JDG -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 35:18:13 This session: 00:01:19 --------Total Usage time: 35:19:32 Today's usage time: 00:05:18 This month's usage time: 01:33:07 ----This account expires: 12/31/96