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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 141430 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 14 SEPTEMBER 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 15 450 0 13 17 750 1 KAMLOOPS KEL 19 16 1000 2 20 18 1150 2 OKANAGAN KEL 9 14 500 0 20 18 1150 2 CASTLEGAR GEG 71 15 1000 17 82 17 1150 17 CRANBROOK GEG 96 15 1650 22 100 17 2200 22 REVELSTOKE KEL 9 13 500 0 10 14 600 1 *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 S 9 S 19 S 31 CRANBROOK SW 9 SW 22 INVERSION HT BREAKTHRU TEMP KELOWNA 1180 m 18 C SPOKANE 1190 m 16 C TODAY'S VENTING: POOR WEST DUE ELEVATED INVERSION AND LIGHT WINDS. LOCALLY GOOD EASTERN VALLEYS DUE STRONGER WINDS. VENTING FOR SUNDAY: FAIR. VENTING OUTLOOK MONDAY THRU WEDNESDAY: GOOD MONDAY DETERIORATING TO FAIR TUESDAY AND POOR WEDNESDAY UNDER BUILDING RIDGE. 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. 45 12 1200 17 100 16 2650 13 PR. GEORGE P.G. 9 11 700 12 97 16 1750 15 SMITHERS ANN 86 10 1300 16 100 13 2150 18 WELLS GRAY P.G. 33 11 1150 17 80 13 2160 13 FT NLSN F.N. 26 14 750 5 41 17 1200 5 FT STJOHN F.N. 9 11 700 3 24 14 1200 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 PR. GEORGE S 28 S 39 SMITHERS S 20 S 39 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1250 m 19 C FT. NELSON 820 m 16 C TODAY'S VENTING: FAIR TO POOR NORTHEAST BC UNDER ELEVATED INVERSION AND LIGHT WINDS. BECOMING GOOD ELSEWHERE DUE STRONGER WINDS. VENTING FOR SUNDAY: FAIR VENTING OUTLOOK MONDAY THRU WEDNESDAY: GOOD MONDAY DETERIORATING TO FAIR TUESDAY UNDER RIDGE OF HIGH PRESSURE. FAIR TO GOOD WEDNESDAY AS RIDGE SLIDES SOUTHWARD AND WINDS INCREASE. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 41 15 350 13 85 17 900 15 FRASER VLY QUIL 50 16 600 9 87 18 1100 13 SRN VRISL QUIL 12 14 50 5 73 17 750 13 CNTRL VRISL QUIL 9 13 50 5 58 16 500 15 NRN VRISL HRDY 43 12 300 15 93 15 700 22 TERRACE ANN 88 12 1050 16 100 14 1600 16 STEWART ANN 12 12 50 5 91 14 1050 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 31 S 41 SW 41 PORT HARDY S 28 S 33 S 41 SANDSPIT S 35 S 37 S 39 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 120 m 14 C PORT HARDY 360 m 15 C ANNETTE 60 m 13 C TODAY'S VENTING: GOOD. SHALLOW INVERSIONS AND MODERATE WINDS. VENTING FOR SUNDAY: GOOD. VENTING OUTLOOK MONDAY THRU WEDNESDAY: GOOD NORTH. GOOD MONDAY IN SOUTH DETERIORATING TO FAIR TUESDAY AND WEDNESDAY UNDER BUILDING RIDGE. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/KAL -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 32:28:44 This session: 00:01:19 --------Total Usage time: 32:30:03 Today's usage time: 00:05:18 This month's usage time: 01:06:02 ----This account expires: 12/31/96