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 281436 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 28 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 17 25 600 2 64 32 1500 8 KAMLOOPS KEL 13 23 550 2 52 31 1480 5 OKANAGAN KEL 15 24 600 2 54 32 1480 5 CASTLEGAR GEG 54 23 1550 5 100 30 3500 8 CRANBROOK GEG 93 23 2600 9 100 30 3950 10 REVELSTOKE KEL 9 20 450 2 52 28 1400 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 S 11 S 19 CRANBROOK VR 5 SE 11 INVERSION HT BREAKTHRU TEMP KELOWNA 750 m 26 C SPOKANE 800 m 18 C TODAY'S VENTING: IMPOVED SINCE YESTERDAY WITH MUCH WEAKER INVERSIONS. GOOD IN THE EAST. FAIR IN THE WEST, BUT MAY GO GOOD BRIEFLY THIS AFTERNOON. VENTING FOR THURSDAY: GOOD VENTING OUTLOOK FRIDAY THRU SUNDAY: 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. 10 15 900 5 12 26 1005 5 PR. GEORGE P.G. 15 15 900 5 24 24 995 5 SMITHERS ANN 86 15 1000 26 100 20 1800 28 WELLS GRAY P.G. 19 15 1200 5 100 21 1800 8 FT NLSN F.N. 23 16 650 6 44 22 1000 7 FT STJOHN F.N. 31 20 1050 7 90 28 1900 12 *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 S 19 S 33 SMITHERS SW 19 S 33 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1140 m 31 C FT. NELSON 1470 m 32 C TODAY'S VENTING: GOOD IN THE NORTHEAST WHERE THE INVERSION HAS WEAKENED AND IN THE PEACE WHICH WILL REACH ITS BREAKTHROUGH TEMP. POOR AT LOWER ELEVATIONS OF THE CENTRAL INTERIOR WHERE THERE IS A STEEP SURFACE INVERSION, BUT HIGHER ELEVATIONS WILL BE ABOVE THE INVERSION. VENTING FOR THURSDAY: FAIR VENTING OUTLOOK FRIDAY THRU SUNDAY: GOOD COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 96 20 1400 12 98 22 1450 12 FRASER VLY QUIL 89 20 1400 10 92 23 1450 10 SRN VRISL QUIL 77 19 1050 10 93 23 1450 10 CNTRL VRISL QUIL 55 18 700 8 91 21 1400 10 NRN VRISL HRDY 9 16 100 3 48 19 950 5 TERRACE ANN 100 18 1000 26 100 22 1750 28 STEWART ANN 9 16 0 8 100 22 1400 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 WEDNESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER VR 5 S 15 S 26 PORT HARDY SE 28 S 44 S 52 SANDSPIT S 63 S 59 S 63 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 2040 m 35 C PORT HARDY 2470 m 36 C ANNETTE 2700 m 36 C TODAY'S VENTING: GENERALLY GOOD EXCEPT NEAR THE OCEAN WHERE A MARINE STRATUM WILL REDUCE VENTING. VENTING FOR THURSDAY: GOOD VENTING OUTLOOK FRIDAY THRU SUNDAY: GOOD VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/PJS -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 31:07:01 This session: 00:01:21 --------Total Usage time: 31:08:22 Today's usage time: 00:05:23 This month's usage time: 02:27:35 ----This account expires: 12/31/96