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 201453 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 20 JULY 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 18 18 800 2 100 22 2550 12 KAMLOOPS KEL 72 17 1550 7 100 23 3350 12 OKANAGAN KEL 13 16 600 2 100 22 3350 12 CASTLEGAR GEG 24 15 900 4 100 21 2200 16 CRANBROOK GEG 9 13 950 17 100 19 2600 19 REVELSTOKE KEL 11 13 550 2 76 17 1800 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 L/V W 20 W 32 CRANBROOK W 13 W 39 INVERSION HT BREAKTHRU TEMP KELOWNA 625 m 16 C SPOKANE 990 m 16 C TODAY'S VENTING: GOOD IN THE AFTERNOON. VENTING FOR SUNDAY: 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. 100 12 2200 37 100 16 2700 36 PR. GEORGE P.G. 45 11 950 18 100 14 2100 31 SMITHERS ANN 40 13 1200 5 57 16 1700 5 WELLS GRAY P.G. 100 13 2400 37 100 17 4000 35 FT NLSN F.N. 35 14 750 12 100 19 1400 19 *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 W 46 W 46 SMITHERS W 32 NW 28 INVERSION HT BREAKTHRU TEMP PR. GEORGE 885 m 13 C FT. NELSON 1370 m 18 C TODAY'S VENTING: BECOMING GOOD IN THE AFTERNOON. VENTING FOR SUNDAY: GOOD VENTING OUTLOOK MONDAY THRU WEDNESDAY: FAIR TO GOOD. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 100 17 1000 19 100 20 1450 19 FRASER VLY QUIL 81 16 800 15 100 20 1450 17 SRN VRISL QUIL 78 16 700 15 100 21 1500 17 CNTRL VRISL QUIL 57 15 500 13 100 19 1300 17 NRN VRISL HRDY 29 14 500 5 82 17 1050 11 TERRACE ANN 44 14 900 6 57 17 1350 5 STEWART ANN 34 14 450 6 55 17 1050 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 VANCOUVER SW 17 W 20 W 30 PORT HARDY SW 20 W 22 W 22 SANDSPIT S 9 SW 11 W 15 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 900 m 16 C PORT HARDY 790 m 16 C ANNETTE NIL TODAY'S VENTING: BECOMING GOOD IN THE AFTERNOON. VENTING FOR SUNDAY: GOOD VENTING OUTLOOK MONDAY THRU WEDNESDAY: GOOD. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/BB -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu --------------------------------------------------