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 041434 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 4 MAY 1997 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 11 11 650 1 92 15 2800 1 KAMLOOPS KEL 13 12 1250 0 98 18 3350 6 OKANAGAN KEL 11 10 750 1 98 16 3350 6 CASTLEGAR SPOK 61 9 1100 11 100 14 3500 15 CRANBROOK SPOK 100 8 3950 17 100 12 3950 17 REVELSTOKE KEL 11 9 750 1 18 12 1500 1 *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 SW 9 W 24 W 37 CRANBROOK W 13 W 35 INVERSION HT BREAKTHRU TEMP KELOWNA 800 m 9 C SPOKANE NO INVERSION TODAY'S VENTING: GOOD IN THE AFTERNOON. VENTING FOR MONDAY: GOOD VENTING OUTLOOK TUESDAY THROUGH THURSDAY: Good Tuesday and Thursday afternoons and fair Wednesday afternoon with an upper ridge. 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. 100 7 2200 16 100 14 3950 18 PR. GEORGE P.G. 24 6 1200 3 100 13 3700 15 SMITHERS P.G. 17 6 950 2 100 13 3500 12 WELLS GRAY P.G. 100 7 2700 17 100 15 4000 18 FT NLSN P.G. 40 10 1300 4 100 14 3000 12 FT STJOHN P.G. 59 8 1500 8 100 13 3700 15 *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 SW 17 SW 20 SMITHERS VR 5 S 20 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1430 m 10 C FT. NELSON MISSING TODAY'S VENTING: GOOD THIS AFTERNOON. VENTING FOR MONDAY: GOOD VENTING OUTLOOK TUESDAY THROUGH THURSDAY: Good Tuesday and Thursday afternoons and fair Wednesday afternoon with an upper ridge. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 98 11 700 26 100 15 2050 29 FRASER VLY QUIL 16 10 100 18 100 14 1850 29 SRN VRISL QUIL 43 11 300 15 100 15 1950 27 CNTRL VRISL QUIL 15 10 100 12 100 12 950 25 NRN VRISL HRDY 81 10 450 25 100 12 1200 27 TERRACE ANT 10 7 250 11 100 13 2100 11 STEWART ANT 78 10 1050 10 100 13 1750 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 31 SW 46 SW 50 PORT HARDY S 44 S 54 S 54 SANDSPIT SE 31 SE 30 SE 30 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 150 m 10 C PORT HARDY NO INVERSION ANNETTE NO INVERSION TODAY'S VENTING: GOOD THIS AFTERNOON. VENTING FOR MONDAY: GOOD VENTING OUTLOOK TUESDAY THROUGH THURSDAY: Good on Tuesday and Thrusday with an unstable onshore flow. Fair on Wednesday. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/PLJ -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 51:09:20 This session: 00:01:20 --------Total Usage time: 51:10:40 Today's usage time: 00:05:17 This month's usage time: 00:18:41 ----This account expires: 12/31/97