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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 131457 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 13 MAY 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 17 14 700 2 44 17 1200 4 KAMLOOPS KEL 23 13 800 3 57 17 1500 5 OKANAGAN KEL 23 13 800 3 47 16 1300 5 CASTLEGAR GEG 9 11 500 5 29 15 900 5 CRANBROOK GEG 9 12 950 8 100 17 2300 15 REVELSTOKE KEL 9 10 450 0 28 13 950 4 *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 W 19 W 37 CRANBROOK SW 15 W 39 INVERSION HT BREAKTHRU TEMP KELOWNA none m 10 C SPOKANE 1450 m 18 C TODAY'S VENTING: GENERALLY POOR BECOMING FAIR BY AFTERNOON AS CLOUD COVER BREAKS UP. REMAINING POOR THROUGH DEEPER VALLEYS DUE LIGHT WINDS. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: POOR WEDNESDAY DUE WARM FRONTAL INVERSION. FAIR LOCALLY GOOD THURSDAY AND FRIDAY DUE INSTABILITY FOLLOWING 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. 65 10 1650 11 46 13 1450 10 PR. GEORGE P.G. 46 10 1050 12 50 13 1500 11 SMITHERS ANN 9 8 550 14 50 10 1370 13 WELLS GRAY P.G. 30 5 1800 5 60 10 1850 10 FT NLSN F.N. 40 4 1100 19 50 7 1400 15 FT STJOHN F.N. 30 7 1280 15 60 8 1750 17 *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 17 W 22 SMITHERS W 17 W 22 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1000 m 12 C FT. NELSON none m 02 C TODAY'S VENTING: GENERALLY FAIR LOCALLY POOR IN DEEPER VALLEYS. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: POOR WEDNESDAY DUE FRONTAL INVERSION. FAIR LOCALLY GOOD THURSDAY AND FRIDAY DUE INSTABILITY. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 35 14 400 9 90 17 1400 11 FRASER VLY QUIL 41 15 550 7 85 17 1350 10 SRN VRISL QUIL 30 14 350 7 55 16 750 8 CNTRL VRISL QUIL 30 14 350 7 60 16 800 9 NRN VRISL HRDY 9 12 300 0 16 13 500 10 TERRACE ANN 10 9 250 14 73 12 950 13 STEWART ANN 9 9 0 5 29 12 450 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 VANCOUVER SW 22 SW 30 SW 35 PORT HARDY W 19 SW 22 SW 31 SANDSPIT S 28 S 24 S 24 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 470 m 15 C PORT HARDY none m 10 C ANNETTE 40 m 10 C TODAY'S VENTING: GOOD EXCEPT LOCALLY POOR DUE VARIABLE WINDS. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR TO POOR WEDNESDAY DUE FRONTAL INVERSION EARLY IN DAY. BECOMING GOOD THURSDAY DUE WINDS. FAIR FRIDAY DUE LOWERING WARM FRONTAL INVERSION. 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: 21:11:41 This session: 00:01:22 --------Total Usage time: 21:13:03 Today's usage time: 00:03:55 This month's usage time: 01:26:38 ----This account expires: 12/31/96 NO CARRIER