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If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 031430 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 3 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 21 19 550 3 41 24 1250 3 KAMLOOPS KEL 23 20 800 3 40 24 1400 3 OKANAGAN KEL 20 19 700 3 43 25 1500 3 CASTLEGAR GEG 9 17 500 4 27 24 950 4 CRANBROOK GEG 9 17 930 3 20 22 1160 8 REVELSTOKE KEL 10 14 500 3 20 19 800 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON W 11 W 22 W 33 CRANBROOK W 13 W 37 INVERSION HT BREAKTHRU TEMP KELOWNA 2080 m 28 C SPOKANE 1070 m 27 C TODAY'S VENTING: GENERALLY FAIR AND LOCALLY POOR DUE STRONG SURFACE INVERSION. BECOMING BRIEFLY GOOD WESTERN SECTIONS THIS AFTERNOON AS WINDS FRESHEN BUT LAPSING TO POOR AT SUNSET. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR WEDNESDAY BECOMING GOOD LATER IN WEEK AS AIRMASS DESTABILIZES. 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. 9 16 950 16 100 20 3950 12 PR. GEORGE P.G. 28 14 850 13 43 18 950 15 SMITHERS ANN 9 14 550 7 100 19 2400 11 WELLS GRAY P.G. 10 16 1000 16 100 21 4000 12 FT NLSN F.N. 16 16 500 5 100 23 3400 17 FT STJOHN F.N. 19 16 750 14 100 23 3700 19 *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 SW 20 SW 30 SMITHERS SW 17 SW 30 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1050 m 20 C FT. NELSON 700 m 19 C TODAY'S VENTING: GENERALLY GOOD EXCEPT LOCALLY FAIR OVER NORTHERN FRASER DRAINAGE DUE PERSISTENT SURFACE INVERSION. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR TO GOOD EXCEPT POOR WEST OF THE ROCKIES WEDNESDAY DUE SURFACE INVERSION. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 45 18 400 13 53 21 500 13 FRASER VLY QUIL 35 18 400 8 45 22 550 8 SRN VRISL QUIL 37 18 400 8 42 21 500 8 CNTRL VRISL QUIL 17 16 250 4 39 19 450 8 NRN VRISL HRDY 13 14 150 3 17 17 300 3 TERRACE ANN 9 16 250 6 100 21 2300 10 STEWART ANN 13 14 100 5 58 21 900 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SW 24 SW 28 SW 35 PORT HARDY S 28 S 37 S 35 SANDSPIT VR 5 S 11 S 20 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 770 m 24 C PORT HARDY 560 m 21 C ANNETTE #### m ## C TODAY'S VENTING: FAIR TO GOOD EXCEPT POOR NORTH ISLAND UNDER MARINE INVERSION. VENTING FOR TUESDAY: FAIR VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR TO POOR WEDNESDAY UNDER STRONG SUBSIDENCE INVERSION. IMPROVING TO GOOD THURSDAY AND FRIDAY AS AIRMASS DESTABILIZES AND WINDS INCREASE. 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: 23:27:18 This session: 00:01:22 --------Total Usage time: 23:28:40 Today's usage time: 00:06:49 This month's usage time: 00:19:56 ----This account expires: 12/31/96 NO CARRIER