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If you are not a subscriber yet, enter basic when asked to login. 12 -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- 1 FPCN39 CWVR 311601 SMOKE CONTROL FORECAST FOR COASTAL BRITISH COLUMBIA ISSUED BY THE PACIFIC WEATHER CENTRE OF ENVIRONMENT CANADA AT 8:00 AM PST TUESDAY OCTOBER 31 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 15 6 150 10 51 10 1000 15 FRASER VLY QUIL 20 9 250 12 53 11 1000 15 SRN VRISL QUIL 17 6 150 7 53 11 1000 15 CNTRL VRISL QUIL 15 6 150 5 53 11 600 14 NRN VRISL HRDY 9 4 150 5 31 6 350 8 TERRACE ANN 20 2 200 17 20 3 250 15 STEWART ANN 10 1 50 3 10 3 50 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 TUESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m VANCOUVER NE 35 NE 39 N 46 NRN VRISL E 19 NE 17 N 30 NORTH COAST SE 31 SE 20 VR 5 INVERSION HT BREAKTHRU TEMP QUIL 300 M 9 C HARDY 1000 M 14 C ANN 350 M 9 C TODAY's VENTING: POOR VENTING THIS MORNING DUE TO STRONG INVERSION ALONG THE ENTIRE COAST. GUSTY OUTFLOW WINDS FROM INTERIOR NEAR MAIN COASTAL INLETS AND VALLEYS PROMOTES SOME MIXING BUT STILL CAPPED BY INVERSION. THIS AFTERNOON SOUTHERN SECTIONS WILL BECOME AT LEAST FAIR IN MOST AREAS AS SURFACE TEMPERATURE BREAKS INVERSION. IN THE CENTRAL AND NORTH THE BREAKTHROUGH TEMP. WILL BE HARD TO ATTAIN. VENTING FOR WEDNESDAY: POOR IN THE MORNING AND GENERALLY FAIR BY AFTERNOON. VERY LITTLE CHANGE IN THE PATTERN FROM TODAY. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MNM -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- 2 FPCN39 CWLW 311533 SMOKE CONTROL FORECAST FOR INTERIOR BRITISH COLUMBIA ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 8:00 AM PST TUESDAY OCTOBER 31 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 40 ( 2) 699 ( 8) 60 ( 5) 1587 ( 7) KAMLOOPS KEL 54 ( 3) 1249 ( 8) 54 ( 4) 1706 ( 6) OKANAGAN KEL 15 ( 1) 755 ( 2) 51 ( 4) 1706 ( 5) CASTLEGAR SPOK 54 ( 2) 1400 ( 8) 60 ( 5) 1800 ( 8) CRANBROOK SPOK 50 ( -2) 1600 ( 5) 70 ( 1) 2000 ( 9) REVELSTOKE KEL 35 ( 1) 924 ( 8) 74 ( 5) 1885 ( 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 TUESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m OKANAGAN VR 5 N 17 NE 22 CRANBROOK VR 5 NE 15 INVERSION HT BREAKTHRU TEMP KEL 550 M 1 C SPOK 1050 M 3 C TODAY'S VENTING: A strong temperature inversion is present at 65 hundred feet restricting vertical mixing this afternoon below this level. However, a light to moderate northerly circulation is expected today allowing the venting to locally rise to the good category, especially in the east. VENTING FOR WEDNESDAY: Poor to fair. VENTING OUTLOOK FOR THURSDAY THRU SATURDAY: A ridge of high pressure will result in poor venting. CENTRAL INTERIOR UPPER MRNG MRNG AFTN AFTN AIR VI (Tmp) MXG HT (Wnd) VI (Tmp) MXG HT (Wnd) WILLIAMS L P.G. 14 ( -3) 1040 ( 5) 36 ( -1) 1540 ( 5) PR. GEORGE P.G. 9 ( -6) 691 ( 0) 27 ( -2) 1118 ( 5) SMITHERS ANN 9 ( -2) 523 ( 5) 30 ( -1) 900 ( 5) WELLS GRAY P.G. 19 ( -3) 1150 ( 7) 47 ( 2) 1650 ( 7) FT NLSN F.N. 9 ( -5) 387 ( 3) 47 ( -1) 1381 ( 5) FT STJOHN F.N. 54 ( -2) 1350 ( 8) 53 ( 1) 1550 ( 6) *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KMH): 900m 1800m 2700m PR GEORGE NE 20 NE 35 SMITHERS E 22 NE 19 INVERSION HT BREAKTHRU TEMP P.G. 1125 M 2 C ANN 650 M 14 C F.N. 1300 M 1 C TODAY'S VENTING: Poor to fair venting is expected today as a strong inversion is present near 4 thousand feet. At the same time the northerly circulation has increased a little allowing the venting to increase to fair this afternoon over a few localities. VENTING FOR WEDNESDAY: Poor. VENTING OUTLOOK FOR THURSDAY THRU SATURDAY: Poor venting continuing due to a ridge of high pressure. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/JDG -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l NO CARRIER