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FPCN39 CWLW 021532
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 PST SUNDAY 2 MARCH 1997 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 5 550 2 36 6 800 4
KAMLOOPS KEL 13 3 550 2 43 6 1200 5
OKANAGAN KEL 12 1 500 2 38 5 950 5
CASTLEGAR SPOK 10 1 500 7 33 3 800 7
CRANBROOK SPOK 12 -4 950 20 15 -1 950 20
REVELSTOKE KEL 11 2 550 2 18 2 550 2
*SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING
HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS.
FORECAST UPPER WINDS FOR SUNDAY AFTERNOON (WINDS IN KM/H):
900m 1800m 2700m
PENTICTON VR 5 W 24 W 59
CRANBROOK SW 17 W 39
TODAY'S VENTING: FAIR WEST. POOR EAST.
VENTING FOR MONDAY: FAIR.
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. 12 -4 1750 20 36 -1 2300 19
PR. GEORGE P.G. 10 -7 700 8 38 -5 700 8
SMITHERS P.G. 63 -6 1000 15 85 -4 1250 17
WELLS GRAY P.G. 65 -1 2300 20 78 -4 1900 19
FT NLSN F.N. 11 -19 400 6 42 -17 950 7
FT STJOHN F.N. 52 -18 1400 7 57 -17 1450 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 SUNDAY AFTERNOON (WINDS IN KM/H):
900m 1800m 2700m
PR. GEORGE E 30 S 33
SMITHERS E 17 SE 33
TODAY'S VENTING: FAIR.
VENTING FOR MONDAY: FAIR.
COAST
UPPER ***** MORNING ****** ***** AFTERNOON ****
AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd
(mASL) (kt) (mASL) (kt)
VANCOUVER QUIL 93 7 600 28 100 8 1150 28
FRASER VLY QUIL 43 6 200 27 100 8 1050 28
SRN VRISL QUIL 64 7 400 19 100 9 1350 26
CNTRL VRISL QUIL 14 4 300 16 72 6 825 10
NRN VRISL HRDY 11 5 100 2 14 6 300 2
TERRACE ANT 10 -2 200 12 15 0 200 12
STEWART ANT 13 2 0 8 14 0 0 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 SUNDAY AFTERNOON (WINDS IN KM/H):
900m 1800m 2700m
VANCOUVER SW 41 SW 46 SW 43
PORT HARDY NW 24 NW 24 NW 22
SANDSPIT NW 48 NW 43 NW 26
TODAY'S VENTING: GOOD SOUTH. POOR NORTH.
VENTING FOR MONDAY: FAIR.
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET.
END/MWSO
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2 - Smoke Forecast, Interior
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