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 211431 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 SUNDAY 21 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 22 12 700 3 100 20 3200 6 KAMLOOPS KEL 35 11 1050 4 100 19 3350 6 OKANAGAN KEL 12 10 600 1 100 18 3350 6 CASTLEGAR GEG 15 8 600 3 90 17 3300 6 CRANBROOK GEG 15 4 1100 5 90 15 3300 6 REVELSTOKE KEL 10 8 550 1 100 17 3450 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 VR 5 VR 5 CRANBROOK VR 5 VR 5 TODAY'S VENTING: The airmass remains slightly unstable so with daytime heating venting will become good this afternoon. VENTING FOR MONDAY: Fair. VENTING OUTLOOK TUESDAY THRU THURSDAY: The airmass becomes unstable again so venting will be good during the afternoons. 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 6 950 2 95 14 3950 5 PR. GEORGE P.G. 9 6 850 2 99 15 3700 6 SMITHERS ANN 9 7 900 2 100 14 3500 9 WELLS GRAY P.G. 9 6 1000 5 95 15 4000 5 FT NLSN F.N. 19 1 640 4 70 8 1250 10 FT STJOHN F.N. 29 5 1150 5 60 11 1425 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE VR 5 W 17 SMITHERS S 9 S 17 TODAY'S VENTING: The airmass remains slightly unstable so with daytime heating venting will become good this afternoon. VENTING FOR MONDAY: Fair. VENTING OUTLOOK TUESDAY THRU THURSDAY: The airmass becomes unstable again so venting will be good during the afternoons. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 29 10 500 5 100 15 2100 9 FRASER VLY QUIL 41 11 750 5 100 18 2900 10 SRN VRISL QUIL 22 10 300 4 96 15 1900 8 CNTRL VRISL QUIL 22 10 350 4 100 16 2200 9 NRN VRISL HRDY 9 8 100 0 74 15 1850 5 TERRACE ANN 50 10 950 9 100 17 3200 9 STEWART ANN 30 9 250 9 100 17 2350 9 *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 SE 9 SE 20 E 26 PORT HARDY SE 19 SE 37 SE 50 SANDSPIT SE 57 S 67 S 72 TODAY'S VENTING: With daytime heating the venting will become good this afternoon. VENTING FOR MONDAY: Fair. VENTING OUTLOOK TUESDAY THRU THURSDAY: The airmass becomes unstable again so venting will be good during the afternoons. 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: 18:55:33 This session: 00:01:15 --------Total Usage time: 18:56:48 Today's usage time: 00:03:43 This month's usage time: 01:27:46 ----This account expires: 12/31/96 NO CARRIER