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 261440 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 26 APRIL 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 45 8 400 15 100 12 2050 20 KAMLOOPS KEL 32 9 750 6 100 12 2350 12 OKANAGAN KEL 31 9 750 6 100 11 2350 12 CASTLEGAR GEG 30 5 900 5 67 10 1700 7 CRANBROOK GEG 38 5 1600 5 75 10 2300 8 REVELSTOKE KEL 9 4 500 4 100 10 2650 10 *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 W 13 W 26 W 43 CRANBROOK W 15 W 37 TODAY'S VENTING:GOOD DUE TO GUSTY WINDS AND AN UNSTABLE AIRMASS. VENTING FOR SATURDAY: GOOD VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO POOR ON SUNDAY AND MONDAY BECOMING GOOD ON TUESDAY WITH A STRONG WESTERLY FLOW. 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. 40 4 1450 8 70 8 1950 14 PR. GEORGE P.G. 60 6 1250 16 70 9 1900 11 SMITHERS ANN 16 6 650 12 100 8 1400 15 WELLS GRAY P.G. 45 3 1300 14 80 6 1700 14 FT NLSN F.N. 9 4 550 0 46 12 1500 4 FT STJOHN F.N. 9 6 700 4 91 11 1650 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 PR. GEORGE W 31 W 41 SMITHERS SW 43 W 41 TODAY'S VENTING: GOOD DUE TO GUSTY WINDS AND AN UNSTABLE AIRMASS. VENTING FOR SATURDAY: GOOD VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO POOR ON SUNDAY AND MONDAY BECOMING GOOD ON TUESDAY WITH A STRONG WESTERLY FLOW. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 67 10 1000 10 100 13 2200 10 FRASER VLY QUIL 40 10 1000 7 100 13 2100 13 SRN VRISL QUIL 65 11 1200 8 100 14 2400 13 CNTRL VRISL QUIL 45 9 1100 4 100 11 1650 13 NRN VRISL HRDY 31 7 400 6 100 11 1950 18 TERRACE ANN 30 7 500 20 75 10 1050 21 STEWART ANN 30 8 500 10 75 10 850 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 30 W 39 W 44 PORT HARDY W 30 W 41 W 46 SANDSPIT W 39 W 41 W 41 TODAY'S VENTING: GOOD DUE TO GUSTY WINDS AND AN UNSTABLE AIRMASS. VENTING FOR SATURDAY: GOOD VENTING OUTLOOK SUNDAY THRU TUESDAY: FAIR TO POOR ON SUNDAY AND MONDAY BECOMING GOOD ON TUESDAY WITH A STRONG WESTERLY FLOW. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/LM -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 19:21:42 This session: 00:01:21 --------Total Usage time: 19:23:03 Today's usage time: 00:05:30 This month's usage time: 01:54:01 ----This account expires: 12/31/96 NO CARRIER