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 281530 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 PST THURSDAY 28 NOVEMBER 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 9 1 200 0 19 2 600 0 KAMLOOPS KEL 21 1 650 4 49 3 900 6 OKANAGAN KEL 21 1 650 4 39 2 900 6 CASTLEGAR SPOK 9 0 500 2 17 1 500 6 CRANBROOK SPOK 9 -2 950 2 19 -1 1050 6 REVELSTOKE KEL 17 0 650 4 34 1 900 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON NW 13 NW 26 N 52 CRANBROOK VR 5 NW 20 TODAY'S VENTING: poor to fair VENTING FOR FRIDAY: FAIR 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. 35 -1 1250 10 49 0 1500 10 PR. GEORGE P.G. 27 -1 1050 5 38 0 1150 8 SMITHERS P.G. 9 -7 500 3 18 -1 550 3 WELLS GRAY P.G. 42 0 1400 10 70 1 1700 13 FT NLSN F.N. 9 -8 500 0 13 -5 550 0 FT STJOHN F.N. 20 -2 800 10 28 -1 900 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE NW 26 N 37 SMITHERS W 20 W 37 TODAY'S VENTING: fair except good higher elevations. VENTING FOR FRIDAY: FAIR COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 31 8 100 10 62 9 1000 10 FRASER VLY QUIL 9 6 50 11 45 8 550 11 SRN VRISL QUIL 9 7 50 10 50 8 550 10 CNTRL VRISL QUIL 9 4 50 10 50 7 550 10 NRN VRISL HRDY 12 7 50 8 32 7 450 8 TERRACE ANT 9 0 200 5 30 2 400 8 STEWART ANT 9 4 0 7 26 4 300 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER NW 13 N 26 NW 39 PORT HARDY NW 24 NW 33 NW 35 SANDSPIT W 28 W 35 W 37 TODAY'S VENTING: poor to fair VENTING FOR FRIDAY: FAIR 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 --------------------------------------------------