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 291437 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 SATURDAY 29 JUNE 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 82 19 1850 7 100 27 3200 7 KAMLOOPS KEL 89 19 2200 7 100 28 3350 7 OKANAGAN KEL 71 17 1800 6 100 28 3350 7 CASTLEGAR GEG 100 18 1700 18 100 26 3500 10 CRANBROOK GEG 100 16 2250 19 100 23 3950 10 REVELSTOKE KEL 68 16 1800 6 100 23 3450 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 SW 17 SW 28 CRANBROOK SW 11 W 26 INVERSION HT BREAKTHRU TEMP KELOWNA 600 m 12 C SPOKANE 1160 m 14 C TODAY'S VENTING: Good. Shallow surface inversion and strong surface heating. VENTING FOR SUNDAY: GOOD VENTING OUTLOOK MONDAY THRU WEDNESDAY: Good occasionally fair Tuesday and Wednesday as frontal zone slumps southward and frontal inversion lowers. 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 12 3950 25 100 19 3950 15 PR. GEORGE P.G. 100 14 3700 24 100 20 3700 15 SMITHERS ANN 100 12 1950 19 100 17 3500 10 WELLS GRAY P.G. 100 14 4000 25 100 20 4000 15 FT NLSN F.N. 100 17 1350 28 100 20 2600 15 FT STJOHN F.N. 100 15 1900 34 100 20 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE SW 26 SW 35 SMITHERS S 33 S 35 INVERSION HT BREAKTHRU TEMP PR. GEORGE 680 m 11 C FT. NELSON 550 m 17 C TODAY'S VENTING: Good. VENTING FOR SUNDAY: GOOD VENTING OUTLOOK MONDAY THRU WEDNESDAY: Good occasionally fair due slower heating under increased cloud cover. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 54 15 1000 6 100 20 3100 5 FRASER VLY QUIL 46 16 1150 4 93 23 3050 5 SRN VRISL QUIL 45 16 1100 4 93 21 3000 5 CNTRL VRISL QUIL 33 14 700 4 93 22 3050 5 NRN VRISL HRDY 26 13 400 5 93 16 1450 15 TERRACE ANN 100 13 1550 18 100 17 2400 15 STEWART ANN 91 13 1000 14 100 17 1950 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 SATURDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SW 9 SW 19 SW 30 PORT HARDY S 48 S 54 SW 52 SANDSPIT S 89 S 80 S 74 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 230 m 12 C PORT HARDY 100 m 13 C ANNETTE 80 m 12 C TODAY'S VENTING: Fair locally poor this morning South Coast under coastal marine inversion otherwise good. Strong surface winds North Coast. VENTING FOR SUNDAY: Fair to good. VENTING OUTLOOK MONDAY THRU WEDNESDAY: Good. Unstable airmass settling onto coast. 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 --------------------------------------------------