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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 091437 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 9 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 13 18 600 1 62 24 2400 3 KAMLOOPS KEL 20 19 1150 2 93 24 3350 5 OKANAGAN KEL 13 17 700 1 58 22 2300 3 CASTLEGAR GEG 21 17 800 5 65 23 1350 9 CRANBROOK GEG 9 15 950 13 100 21 2750 19 REVELSTOKE KEL 10 14 500 1 37 18 1100 5 *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 VR 5 SW 11 CRANBROOK VR 5 SW 9 INVERSION HT BREAKTHRU TEMP KELOWNA 1100 m 18 C SPOKANE 980 m 20 C TODAY'S VENTING: BECOMING GOOD BY AFTERNOON ONCE INVERSION BREAKS. REMAINING FAIR TO POOR EASTERN VALLEYS DUE LIMITED SURFACE HEATING UNDER CLOUD COVER. VENTING FOR TUESDAY: FAIR TO GOOD. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR WEDNESDAY AND EARLY THURSDAY IMPROVING TO GOOD LATE THURSDAY AND FRIDAY DUE STRONG WINDS WITH ACTIVE 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. 93 13 1850 5 93 18 3350 5 PR. GEORGE P.G. 33 11 1000 9 100 17 3300 7 SMITHERS ANN 20 12 820 5 99 15 2300 9 WELLS GRAY P.G. 37 12 1700 5 83 19 3300 5 FT NLSN F.N. 15 7 550 3 63 16 1250 8 FT STJOHN F.N. 9 7 695 2 71 14 1700 9 *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 VR 5 W 17 SMITHERS VR 5 SW 17 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1010 m 13 C FT. NELSON 1280 m 16 C TODAY'S VENTING: BECOMING GOOD THIS AFTERNOON ONCE INVERSION BREAKS. ONLY BRIEFLY GOOD NORTHEAST BC DUE SHORT DURATION OF SURFACE HEATING ABOVE BREAKTHRU TEMPERATURE. VENTING FOR TUESDAY: FAIR. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR WEDNESDAY IMPROVING TO GOOD THURSDAY AND FRIDAY DUE STRENGTHENING FRONTAL WINDS. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 83 17 1150 11 100 21 2050 13 FRASER VLY QUIL 76 17 1150 9 100 22 2050 12 SRN VRISL QUIL 26 14 400 5 100 21 2000 12 CNTRL VRISL QUIL 27 14 450 5 85 18 1250 10 NRN VRISL HRDY 9 12 0 7 74 16 1100 9 TERRACE ANN 54 13 900 8 100 17 2150 9 STEWART ANN 24 13 250 6 84 17 1500 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 VANCOUVER VR 5 VR 5 W 15 PORT HARDY VR 5 VR 5 VR 5 SANDSPIT S 25 S 30 S 35 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 180 m 12 C PORT HARDY 80 m 12 C ANNETTE 100 m 12 C TODAY'S VENTING: IMPROVING TO GOOD BY MID MORNING AS SHALLOW INVERSION BREAKS. VENTING FOR TUESDAY: FAIR. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR IN THE SOUTH WEDNESDAY OTHERWISE GOOD ALL AREAS. 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: 32:02:22 This session: 00:01:19 --------Total Usage time: 32:03:41 Today's usage time: 00:05:18 This month's usage time: 00:39:40 ----This account expires: 12/31/96