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FPCN39 CWLW 161430
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 16 SEPTEMBER 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 33 12 650 6 100 17 2400 10
KAMLOOPS KEL 39 12 850 7 100 17 2550 10
OKANAGAN KEL 27 11 700 6 100 17 2550 10
CASTLEGAR GEG 51 11 1000 10 91 16 2150 9
CRANBROOK GEG 51 9 1300 14 100 16 3950 8
REVELSTOKE KEL 33 11 800 7 100 14 2300 10
*SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING
HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS.
DATE: Sep 16 :: FDS_CWVR: Sep 16
FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H):
900m 1800m 2700m
PENTICTON VR 5 W 9 NW 11
CRANBROOK VR 5 W 13
INVERSION HT BREAKTHRU TEMP
KELOWNA 720 m 10 C
SPOKANE 1050 m 10 C
TODAY'S VENTING: GOOD
VENTING FOR TUESDAY: GOOD
VENTING OUTLOOK WEDNESDAY THRU FRIDAY: FAIR WEDNESDAY. GOOD THURSDAY
AND FRIDAY.
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. 69 9 1500 15 100 13 3950 16
PR. GEORGE P.G. 46 10 1100 11 100 13 1950 14
SMITHERS ANN 9 6 500 14 100 13 2250 13
WELLS GRAY P.G. 95 10 2000 16 100 14 4000 16
FT NLSN F.N. 9 11 400 5 78 13 1150 14
FT STJOHN F.N. 64 10 1150 16 99 13 1750 16
*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 22 W 24
SMITHERS W 13 W 24
INVERSION HT BREAKTHRU TEMP
PR. GEORGE 1070 m 12 C
FT. NELSON SFC
TODAY'S VENTING: GOOD
VENTING FOR TUESDAY: GOOD
VENTING OUTLOOK WEDNESDAY THRU FRIDAY: GOOD
COAST
UPPER ***** MORNING ****** ***** AFTERNOON ****
AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd
(mASL) (kt) (mASL) (kt)
VANCOUVER QUIL 58 15 700 10 100 18 1650 11
FRASER VLY QUIL 32 14 450 7 96 18 1600 10
SRN VRISL QUIL 17 13 250 4 95 18 1550 10
CNTRL VRISL QUIL 13 11 150 4 66 16 900 9
NRN VRISL HRDY 33 12 250 11 90 15 1200 12
TERRACE ANN 10 10 250 16 100 16 2250 13
STEWART ANN 11 11 50 4 100 16 1600 12
*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 W 11 W 15 W 15
PORT HARDY VR 5 VR 5 NW 15
SANDSPIT S 17 SW 11 W 13
INVERSION HT BREAKTHRU TEMP
QUILLAYUTE 305 m 14 C
PORT HARDY 110 m 11 C
ANNETTE 200 m 12 C
TODAY'S VENTING: GOOD
VENTING FOR TUESDAY: GOOD
VENTING OUTLOOK WEDNESDAY THRU FRIDAY: GOOD
VENTILATION GUIDELINES:
0-33.....POOR
34-54.....FAIR
55-100.....GOOD.
VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET.
END/PJS
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2 - Smoke Forecast, Interior
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