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 301430 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 TUESDAY 30 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 27 11 650 4 100 18 3200 9 KAMLOOPS KEL 76 12 1750 7 100 18 3350 9 OKANAGAN KEL 36 10 850 6 100 17 3350 9 CASTLEGAR GEG 35 9 800 10 100 16 3500 16 CRANBROOK GEG 30 8 1100 8 100 14 3950 18 REVELSTOKE KEL 24 9 850 4 100 15 3450 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 TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 W 11 W 17 CRANBROOK W 9 W 20 INVERSION HT BREAKTHRU TEMP KELOWNA 800 m 10 C SPOKANE 800 m 10 C TODAY'S VENTING: The airmass will remain unstable at low levels, which will allow for good venting for most of today. VENTING FOR WEDNESDAY: Good. VENTING OUTLOOK THURSDAY THRU SATURDAY: Good venting continuing through the period. 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 3950 14 100 13 3950 14 PR. GEORGE P.G. 100 6 2100 20 100 12 3700 17 SMITHERS ANN 84 5 1500 13 100 12 3500 13 WELLS GRAY P.G. 100 7 4000 14 100 14 4000 14 FT NLSN F.N. 9 8 400 5 100 14 3700 11 FT STJOHN F.N. 38 7 900 14 100 12 3700 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 TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE W 19 W 19 SMITHERS W 19 W 19 INVERSION HT BREAKTHRU TEMP PR. GEORGE none m ## C FT. NELSON 900 m 12 C TODAY'S VENTING: The airmass will remain unstable at low levels, which will allow for good venting for most of today. VENTING FOR WEDNESDAY: Good. VENTING OUTLOOK THURSDAY THRU SATURDAY: Good venting continuing through the period. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 70 10 1050 13 80 13 1150 13 FRASER VLY QUIL 78 12 1150 10 80 16 1150 10 SRN VRISL QUIL 72 10 950 10 80 15 1150 10 CNTRL VRISL QUIL 74 10 1000 10 80 16 1150 10 NRN VRISL HRDY 45 7 550 8 98 11 1950 9 TERRACE ANN 61 7 800 12 100 9 1700 12 STEWART ANN 15 7 150 5 84 9 1150 11 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 17 W 20 W 26 PORT HARDY NW 22 NW 20 NW 26 SANDSPIT W 17 W 17 W 20 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 150 m 9 C PORT HARDY 100 m 7 C ANNETTE 100 m 7 C TODAY'S VENTING: The airmass will remain unstable at low levels, which will allow for good venting for most of today. VENTING FOR WEDNESDAY: Good. VENTING OUTLOOK THURSDAY THRU SATURDAY: Good venting continuing through the period. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MWSO -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 19:45:01 This session: 00:01:24 --------Total Usage time: 19:46:25 Today's usage time: 00:05:27 This month's usage time: 02:17:23 ----This account expires: 12/31/96 NO CARRIER