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 251440 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 THURSDAY 25 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 76 12 750 20 100 16 2600 20 KAMLOOPS KEL 22 9 600 6 100 17 3350 9 OKANAGAN KEL 18 8 500 6 100 15 2850 9 CASTLEGAR GEG 18 8 1050 10 100 13 2500 12 CRANBROOK GEG 50 8 1550 10 100 12 3950 15 REVELSTOKE KEL 12 7 500 5 80 12 1950 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON S 11 S 24 SW 41 CRANBROOK SW 11 SW 24 TODAY'S VENTING:Good VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY:Good Saturday becoming fair on Sunday as a ridge builds. Returning to good on Monday as a another system approaches B.C. 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. 10 5 950 12 100 12 3050 15 PR. GEORGE P.G. 20 6 850 7 100 12 3000 15 SMITHERS ANN 100 6 1600 5 75 11 2000 7 WELLS GRAY P.G. 9 3 1050 10 65 5 1500 15 FT NLSN F.N. 9 4 550 0 63 12 1150 7 FT STJOHN F.N. 9 7 1100 10 60 13 1700 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE S 44 S 57 SMITHERS SE 48 S 57 TODAY'S VENTING: Good VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: Good to fair Saturday becoming fair to poor on Sunday as a ridge builds. Returning to good to fair on Monday as a another system approaches B.C. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 75 11 1000 8 90 13 1550 10 FRASER VLY QUIL 94 11 1500 4 100 14 1750 12 SRN VRISL QUIL 83 11 1750 6 100 13 1800 11 CNTRL VRISL QUIL 30 8 400 6 85 11 1150 15 NRN VRISL HRDY 36 9 250 12 100 12 1850 15 TERRACE ANN 10 6 250 4 95 10 1500 10 STEWART ANN 14 7 50 5 65 9 1250 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 54 S 70 SW 72 PORT HARDY SW 48 SW 56 SW 61 SANDSPIT S 94 S 93 S 89 TODAY'S VENTING: Good VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: Good to fair Saturday becoming fair to poor on Sunday as a ridge builds. Returning to good to fair on Monday as a another system approaches B.C. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/lm -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 19:16:14 This session: 00:01:19 --------Total Usage time: 19:17:33 Today's usage time: 00:05:28 This month's usage time: 01:48:31 ----This account expires: 12/31/96 NO CARRIER