Please wait...checking for disk quotas [H[2J" The Government of Canada expressly disclaims any warranties or representations with respect to the Environment Canada Electronic Weather Bulletin Board Service, either expressed or implied, including but not limited to, the implied warranties of fitness for the purpose of accessing meteorological, climatological or other data. In no event will the Government of Canada have any obligation arising from contract or tort, or for loss of revenue or profit, or for indirect, special, incidental or consequential damages arising from the use of this information." If you observe SEVERE weather, or have technical problems with one of our services, such as WeatherBoard, WeatherFax, etc., please call 664-9028. *** NEWS: Samples of GOES-90 satellite images and RAVOS remote photographs are now downloadable from Basic User Menu/New Sample Menu. Welcome to Environment Canada's WeatherBoard Service... If you are not a subscriber yet, enter basic when asked to login. 2 FPCN39 CWLW 181430 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 FRIDAY 18 OCTOBER 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 19 6 500 3 100 10 5000 20 KAMLOOPS KEL 25 7 550 15 100 9 5000 15 OKANAGAN KEL 15 5 550 3 100 10 5000 6 CASTLEGAR GEG 9 5 500 7 100 9 5000 7 CRANBROOK GEG 9 3 950 26 40 6 1050 26 REVELSTOKE KEL 12 4 550 3 14 5 600 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON SW 9 SW 26 SW 56 CRANBROOK SW 20 SW 46 INVERSION HT BREAKTHRU TEMP KELOWNA 600 m 6 C SPOKANE 750 m 8 C TODAY'S VENTING: GOOD THIS AFTERNOON DUE TO GUSTY WINDS AND AN UNSTABLE AIRMASS. VENTING FOR SATURDAY: FAIR TO GOOD. VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO GOOD AS A SERIES OF FRONTAL SYSTEMS CROSSES THE PROVINCE. 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. 15 1 1000 15 100 5 2200 25 PR. GEORGE P.G. 52 2 1050 14 63 4 1200 14 SMITHERS ANN 9 1 500 13 9 2 500 13 WELLS GRAY P.G. 100 3 1900 22 100 2 2200 25 FT NLSN F.N. 53 -5 1300 6 53 -4 1300 6 FT STJOHN F.N. 45 -4 1450 6 54 -2 1750 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE SW 26 SW 28 SMITHERS VR 5 W 28 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1200 m 4 C FT. NELSON 1500 m 3 C TODAY'S VENTING: GOOD IN THE SOUTH DUE TO AN UNSTABLE AIRMASS. POOR TO FAIR IN THE NORTH. VENTING FOR SATURDAY: FAIR TO GOOD. VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO GOOD AS A SERIES OF FRONTAL SYSTEMS CROSSES THE PROVINCE. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 15 10 200 30 100 12 5000 30 FRASER VLY QUIL 15 10 200 30 100 12 5000 30 SRN VRISL QUIL 15 10 200 30 100 12 5000 30 CNTRL VRISL QUIL 15 9 200 30 100 11 5000 30 NRN VRISL HRDY 11 8 50 30 100 10 5000 36 TERRACE ANN 9 5 200 13 100 7 5000 13 STEWART ANN 9 6 0 7 100 7 5000 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SW 30 W 35 W 35 PORT HARDY W 33 W 39 W 43 SANDSPIT NW 54 NW 56 NW 48 INVERSION HT BREAKTHRU TEMP QUILLAYUTE MISSING PORT HARDY NONE m ## C ANNETTE 50 m 6 C TODAY'S VENTING: GOOD THIS AFTERNOON DUE TO AN UNSTABLE AIRMASS. VENTING FOR SATURDAY: GOOD. VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO GOOD AS A SERIES OF FRONTAL SYSTEMS CROSSES THE PROVINCE. 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 --------------------------------------------------