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 121454 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 12 MAY 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 10 850 2 75 15 1700 6 KAMLOOPS KEL 25 10 1200 2 80 16 2070 6 OKANAGAN KEL 22 9 1000 2 60 15 1700 6 CASTLEGAR GEG 17 10 800 3 76 16 1700 8 CRANBROOK GEG 10 7 950 11 100 13 2400 13 REVELSTOKE KEL 20 8 1000 2 50 12 1600 4 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 S 11 SW 24 CRANBROOK VR 5 W 9 INVERSION HT BREAKTHRU TEMP KELOWNA 2000 m 21 C SPOKANE 2100 m 21 C TODAY'S VENTING: Poor in the morning due delayed surface heating due cloud cover. Generally good in the afternoon except only fair in the Columbia under thick cloud cover. VENTING FOR SUNDAY: Fair to good. VENTING OUTLOOK MONDAY THRU WEDNESDAY: Fair to good. 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. 81 4 2300 9 100 11 2800 9 PR. GEORGE P.G. 43 4 1100 10 100 13 2800 9 SMITHERS P.G. 9 3 500 9 100 11 2300 8 WELLS GRAY P.G. 84 4 2400 9 100 14 2500 9 FT NLSN F.N. 9 4 400 7 37 10 900 6 FT STJOHN F.N. 9 4 700 6 100 10 3700 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE VR 5 SE 9 SMITHERS E 24 E 9 INVERSION HT BREAKTHRU TEMP PR. GEORGE 700 m 07 C FT. NELSON 460 m 07 C TODAY'S VENTING: Poor in the valleys this morning otherwise good due airmass instability. Poor northeastern BC due strong surface inversion becoming fair by mid-afternoon. VENTING FOR SUNDAY: GOOD VENTING OUTLOOK MONDAY THRU WEDNESDAY: Good. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 22 11 300 6 60 14 800 11 FRASER VLY QUIL 35 12 550 6 70 17 980 11 SRN VRISL QUIL 23 11 250 6 70 15 1030 10 CNTRL VRISL QUIL 17 9 150 6 70 14 800 10 NRN VRISL HRDY 39 10 500 7 70 14 580 16 TERRACE ANN 10 8 250 8 100 15 1650 8 STEWART ANN 11 8 50 7 100 15 1650 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SE 19 S 19 SW 43 PORT HARDY SE 50 SE 43 S 37 SANDSPIT E 44 E 46 E 46 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 1000 m 18 C PORT HARDY 580 m 13 C ANNETTE nil m 13 C TODAY'S VENTING: Good North Coast due instability. Fair to poor this morning South Coast becoming good by afternoon with freshening winds. VENTING FOR SUNDAY: GOOD Fair to good. VENTING OUTLOOK MONDAY THRU WEDNESDAY: Fair to good. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/kal -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 21:07:46 This session: 00:01:22 --------Total Usage time: 21:09:08 Today's usage time: 00:05:16 This month's usage time: 01:22:43 ----This account expires: 12/31/96 NO CARRIER