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 211516 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 WEDNESDAY 21 AUGUST 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 43 20 1500 3 100 26 3200 15 KAMLOOPS KEL 37 18 1400 3 92 26 3350 5 OKANAGAN KEL 17 15 600 3 92 26 3350 5 CASTLEGAR GEG 16 16 950 2 76 24 3500 3 CRANBROOK GEG 9 13 950 3 85 22 3950 4 REVELSTOKE KEL 14 14 600 3 92 20 3450 5 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 SW 17 SW 24 CRANBROOK SW 11 W 19 INVERSION HT BREAKTHRU TEMP KELOWNA 670 m 19 C SPOKANE 1100 m 18 C TODAY'S VENTING: Becoming good by afternoon once inversion breaks. VENTING FOR THURSDAY: Fair to good. VENTING OUTLOOK FRIDAY THRU SUNDAY: Fair Friday and Saturday under broad ridge of high pressure and light winds. Improving to good Sunday as ridge collapses and winds increase. 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 11 950 14 100 19 3950 17 PR. GEORGE P.G. 32 12 900 12 100 17 3700 16 SMITHERS ANN 5 12 530 1 100 16 1700 15 WELLS GRAY P.G. 100 13 2750 17 100 20 4000 17 FT NLSN F.N. 11 11 600 1 100 18 3400 9 FT STJOHN F.N. 100 13 3700 10 100 19 3700 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 WEDNESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE SW 30 W 41 SMITHERS SW 48 SW 41 INVERSION HT BREAKTHRU TEMP PR. GEORGE 910 m 13 C FT. NELSON 730 m 13 C TODAY'S VENTING: Becoming good by late morning as inversion breaks and winds freshen. VENTING FOR THURSDAY: GOOD. VENTING OUTLOOK FRIDAY THRU SUNDAY: Good deteriorating to fair Saturday under solid ridge of high pressure improving to good Sunday. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 17 16 350 3 54 21 1400 4 FRASER VLY QUIL 18 16 300 3 75 23 1950 5 SRN VRISL QUIL 15 14 150 4 41 20 950 4 CNTRL VRISL QUIL 15 14 150 4 53 21 1350 4 NRN VRISL HRDY 22 14 150 9 65 17 750 10 TERRACE ANN 40 13 520 15 90 15 1300 15 STEWART ANN 30 13 520 5 70 15 1200 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 WEDNESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER VR 5 W 17 W 28 PORT HARDY S 35 SW 39 SW 37 SANDSPIT SW 50 SW 56 SW 59 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 850 m 19 C PORT HARDY 300 m 15 C ANNETTE 50 m 13 C TODAY'S VENTING: Fair inner south coast otherwise fair becoming good by mid morning as winds strengthen. VENTING FOR THURSDAY: Fair to good. VENTING OUTLOOK FRIDAY THRU SUNDAY: Fair south and good north. 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 -------------------------------------------------- l Previous usage time: 30:31:14 This session: 00:01:18 --------Total Usage time: 30:32:32 Today's usage time: 00:05:13 This month's usage time: 01:51:45 ----This account expires: 12/31/96