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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 101430 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 MONDAY 10 JUNE 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 58 16 800 10 100 20 2350 13 KAMLOOPS KEL 91 15 1250 16 100 21 2700 13 OKANAGAN KEL 40 14 700 10 100 22 3350 13 CASTLEGAR GEG 37 15 900 8 100 22 3500 14 CRANBROOK GEG 100 14 2150 18 100 21 3950 18 REVELSTOKE KEL 100 15 1750 13 100 19 2500 13 *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 SW 9 SW 19 SW 31 CRANBROOK SW 11 SW 22 INVERSION HT BREAKTHRU TEMP KELOWNA 570 m 12 C SPOKANE 950 m 13 C TODAY'S VENTING: SURFACE INVERSIONS IN THE EAST ARE DEEPER THAN IN THE WEST, BUT WITH STRONG SURFACE HEATING UNDER SUNNY SKIES THE BREAKTHROUGH TEMPS WILL BE EXCEEDED BY MIDDAY. VENTING FOR TUESDAY: GOOD VENTING OUTLOOK WEDNESDAY THRU FRIDAY: GOOD 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. 89 11 1600 20 100 16 3950 20 PR. GEORGE P.G. 25 11 900 9 100 15 3700 18 SMITHERS ANN 100 11 1700 25 100 14 2200 24 WELLS GRAY P.G. 100 12 4000 20 100 17 4000 20 FT NLSN F.N. 14 11 500 4 100 21 2400 8 FT STJOHN F.N. 46 12 1000 14 100 17 3700 8 *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 S 28 SW 28 SMITHERS SW 28 SW 28 INVERSION HT BREAKTHRU TEMP PR. GEORGE 890 m 12 C FT. NELSON 670 m 13 C TODAY'S VENTING: GOOD VALUES THIS MORNING DEPEND ON THE FAIRLY STRONG WINDS NOT FAR OFF THE SURFACE. SHELTERED VALLEYS WILL HAVE TO WAIT FOR THE SURFACE INVERSION TO BREAK DOWN NEAR MIDDAY. VENTING FOR TUESDAY: GOOD VENTING OUTLOOK WEDNESDAY THRU FRIDAY: GOOD COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 89 14 1050 14 100 17 1650 13 FRASER VLY QUIL 81 14 1000 12 100 18 1800 12 SRN VRISL QUIL 75 14 850 11 100 18 1750 12 CNTRL VRISL QUIL 21 12 250 6 91 15 1200 12 NRN VRISL HRDY 26 12 250 8 93 14 1100 14 TERRACE ANN 10 10 250 25 100 14 1700 25 STEWART ANN 67 11 450 18 100 14 1300 22 *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 20 SW 35 SW 48 PORT HARDY SW 22 SW 31 SW 43 SANDSPIT SW 31 SW 30 SW 31 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 170 m 12 C PORT HARDY 275 m 13 C ANNETTE SURFACE TODAY'S VENTING: STABLE AT FIRST IN THE NORTH AS A WRM FRONT MOVES THROUGH THE AREA, BUT IMPROVING AS THE FRONT MOVES NORTH OF THE AREA THIS MORNING. VENTING FOR TUESDAY: GOOD VENTING OUTLOOK WEDNESDAY THRU FRIDAY: GOOD VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/PJS -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 24:07:08 This session: 00:01:19 --------Total Usage time: 24:08:27 Today's usage time: 00:06:38 This month's usage time: 00:59:43 ----This account expires: 12/31/96