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 221430 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 22 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 32 12 750 5 100 17 2000 15 KAMLOOPS KEL 50 10 900 12 100 17 2200 15 OKANAGAN KEL 24 10 700 5 90 16 2200 10 CASTLEGAR GEG 25 8 1000 4 80 18 2400 8 CRANBROOK GEG 25 6 1200 4 80 14 2500 8 REVELSTOKE KEL 17 8 650 5 90 17 2450 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON S 13 S 28 S 48 CRANBROOK SW 11 SW 22 TODAY'S VENTING: A frontal system approaching from the west will cause enough mixing that venting will become good this afternoon. VENTING FOR TUESDAY: FAIR TO GOOD. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: An unstable atmosphere will produce good venting through 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. 9 7 950 11 100 13 3950 12 PR. GEORGE P.G. 24 5 800 12 70 12 1450 11 SMITHERS P.G. 20 9 650 12 56 13 1150 12 WELLS GRAY P.G. 9 6 1000 11 100 14 3000 12 FT NLSN F.N. 33 4 650 10 87 11 1700 10 FT STJOHN F.N. 23 5 800 12 100 11 3700 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE S 39 S 48 SMITHERS S 41 S 48 TODAY'S VENTING: Developing winds from an approaching frontal system combined with daytime heating will produce good venting this afternoon. VENTING FOR TUESDAY: FAIR TO GOOD. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: An unstable atmosphere will produce good venting through Friday. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 58 12 500 15 100 15 1200 20 FRASER VLY QUIL 58 11 600 15 100 14 1250 20 SRN VRISL QUIL 64 11 550 19 100 15 1600 28 CNTRL VRISL QUIL 65 11 550 19 100 14 1400 28 NRN VRISL HRDY 27 12 250 9 100 14 1500 27 TERRACE ANN 10 9 250 12 73 12 850 15 STEWART ANN 10 8 50 3 39 12 450 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 43 S 48 SW 46 PORT HARDY S 31 S 41 S 46 SANDSPIT S 35 S 41 S 48 TODAY'S VENTING: Strong winds associated with a passing frontal system will cause good venting today. VENTING FOR TUESDAY: GOOD VENTING OUTLOOK WEDNESDAY THRU FRIDAY: An unstable atmosphere will produce good venting through Friday. 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 Previous usage time: 19:00:32 This session: 00:01:15 --------Total Usage time: 19:01:47 Today's usage time: 00:04:59 This month's usage time: 01:32:45 ----This account expires: 12/31/96 NO CARRIER