12 -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- 1 FPCN39 CWVR 181508 SMOKE CONTROL FORECAST FOR COASTAL BRITISH COLUMBIA ISSUED BY THE PACIFIC WEATHER CENTRE OF ENVIRONMENT CANADA AT 8:00 AM PDT WEDNESDAY OCTOBER 18 1995 FOR TODAY. VENTILATION INDICES (TEMPERATURE) AND MIXING HEIGHTS. MIXING HEIGHTS IN METERS 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. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 66 12 500 18 100 14 1400 19 FRASER VLY QUIL 13 10 200 3 100 15 1750 16 SRN VRISL QUIL 14 11 200 3 100 16 1850 17 CNTRL VRISL QUIL 13 9 150 3 100 16 1850 17 NRN VRISL HRDY 30 11 200 14 100 13 1400 22 TERRACE ANN 10 7 250 13 84 10 1050 15 STEWART ANN 9 7 0 13 39 10 250 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 WEDNESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m VANCOUVER W 19 NW 24 NW 30 NRN VRISL SW 15 W 15 W 20 NORTH COAST S 41 SW 39 SW 39 INVERSION HT BREAKTHRU TEMP QUIL 260 M 12 C HARDY 180 M 11 C ANN 130 M 9 C TODAY's VENTING: BECOMING GENERALLY GOOD BY LATE MORNING AS DAYTIME HEATING BREAKS SHALLOW NIGHTTIME INVERSION AND MIXING LAYER WINDS INCREASE. EXCEPTION IS STEWART WHERE LIMITED HEATING WILL RESULT IN ONLY SHALLOW MIXING LAYER. VENTING FOR THURSDAY: GOOD. APPROACH OF FRONT ONTO NORTH COAST WILL RESULT IN INCREASING LOW LEVEL WINDS. LITTLE CHANCE IN THE SOUTH. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/.. -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- 2 FPCN39 CWLW 181448 SMOKE CONTROL FORECAST FOR INTERIOR BRITISH COLUMBIA ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 8:00 AM PDT WEDNESDAY OCTOBER 18 1995 FOR TODAY. VENTILATION INDICES (TEMPERATURE) AND MIXING HEIGHTS. MIXING HEIGHTS IN METERS 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 MRNG MRNG AFTN AFTN AIR VI (Tmp) MXG HT (Wnd) VI (Tmp) MXG HT (Wnd) FRSR CANYN KEL 62 ( 12) 811 (11) 100 ( 16) 2609 (15) KAMLOOPS KEL 24 ( 9) 545 ( 8) 100 ( 15) 2990 (17) OKANAGAN KEL 9 ( 8) 345 ( 8) 100 ( 13) 1830 (12) CASTLEGAR SPOK 44 ( 9) 859 (11) 100 ( 12) 2105 (12) CRANBROOK KEL 9 ( 5) 944 ( 8) 100 ( 10) 3939 (18) REVELSTOKE KEL 9 ( 8) 446 ( 8) 75 ( 11) 1333 (11) *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m OKANAGAN VR 5 NW 26 NW 37 CRANBROOK W 13 W 41 INVERSION HT BREAKTHRU TEMP KEL 731 M 8 C SPOK 975 M 8 C TODAY'S VENTING: Generally poor this morning becoming good this afternoon. VENTING FOR THURSDAY: Poor in the morning becoming fair in the afternoon due to winds as another system comes in from the Pacific. VENTING OUTLOOK FOR FRIDAY THROUGH SUNDAY: Good venting Friday. Fair Saturday. Fair to poor Sunday afternoon. CENTRAL INTERIOR UPPER MRNG MRNG AFTN AFTN AIR VI (Tmp) MXG HT (Wnd) VI (Tmp) MXG HT (Wnd) WILLIAMS L P.G. 9 ( 1) 945 ( 5) 100 ( 8) 2887 ( 5) PR. GEORGE P.G. 9 ( 2) 691 ( 5) 100 ( 9) 2356 (24) SMITHERS ANN 9 ( 2) 523 ( 0) 99 ( 9) 1799 (13) WELLS GRAY P.G. 77 ( 4) 1612 (17) 100 ( 9) 4000 (30) FT NLSN F.N. 39 ( 1) 898 ( 7) 67 ( 5) 1613 ( 6) FT STJOHN F.N. 81 ( 4) 1931 ( 9) 86 ( 5) 2083 ( 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 WEDNESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m PR GEORGE W 43 NW 57 SMITHERS W 41 W 50 INVERSION HT BREAKTHRU TEMP P.G. 762 M 7 C ANN No inversion F.N. No inversion TODAY'S VENTING: Poor below about 800 metres in the Central Interior becoming good this afternoon. Good at higher levels. Fair to good in the Peace. VENTING FOR THURSDAY: Poor in the morning becoming fair in the afternoon due to winds as another system comes in from the Pacific. VENTING OUTLOOK FOR FRIDAY THROUGH SUNDAY: Good venting Friday. Fair Saturday. Fair to poor Sunday afternoon. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/PLJ -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l NO CARRIER