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 221430 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 22 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 39 21 900 5 100 29 3200 8 KAMLOOPS KEL 39 20 1050 5 100 28 3350 8 OKANAGAN KEL 25 18 750 4 100 28 3350 8 CASTLEGAR GEG 23 18 850 4 93 28 3500 5 CRANBROOK GEG 9 17 950 2 60 26 2250 6 REVELSTOKE KEL 18 16 700 4 76 23 2050 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 VR 5 W 15 CRANBROOK VR 5 W 13 INVERSION HT BREAKTHRU TEMP KELOWNA 850 m 18 C SPOKANE 1060 m 21 C TODAY'S VENTING: BECOMING GOOD BY AFTERNOON ONCE INVERSION BREAKS. VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: 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. 34 15 1150 15 90 20 1710 20 PR. GEORGE P.G. 53 15 1100 14 100 19 2150 18 SMITHERS ANN 98 14 950 15 100 16 1500 20 WELLS GRAY P.G. 100 16 1980 20 100 21 2930 20 FT NLSN F.N. 21 14 600 6 70 20 2440 6 FT STJOHN F.N. 17 16 850 5 100 21 2530 13 *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 SW 41 W 50 SMITHERS SW 54 SW 50 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1170 m 18 C FT. NELSON 840 m 20 C TODAY'S VENTING: GOOD EXCEPT LOCALLY FAIR NORTHEAST BC WHERE DAYTIME TEMPERATURES WILL ONLY BRIEFLY REACH BREAKOUT VALUES. VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: FAIR TO GOOD COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 13 18 300 2 25 23 1000 2 FRASER VLY QUIL 15 18 300 3 35 26 1450 2 SRN VRISL QUIL 13 16 150 3 26 23 900 2 CNTRL VRISL QUIL 13 15 150 3 23 22 750 2 NRN VRISL HRDY 45 15 250 17 52 17 550 15 TERRACE ANN 11 14 250 41 11 16 250 20 STEWART ANN 9 13 0 13 49 16 450 20 *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 VR 5 VR 5 W 15 PORT HARDY S 22 SW 30 SW 39 SANDSPIT SW 48 SW 59 SW 72 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 400 m 19 C PORT HARDY 720 m 19 C ANNETTE 720 m 18 C TODAY'S VENTING: POOR TO FAIR DUE TO VERY WARM TEMPERATURES IN THE LOWER ATMOSPHERE VENTING FOR FRIDAY: FAIR. VENTING OUTLOOK SATURDAY THRU MONDAY: FAIR TO GOOD 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: 30:36:25 This session: 00:01:17 --------Total Usage time: 30:37:42 Today's usage time: 00:05:10 This month's usage time: 01:56:55 ----This account expires: 12/31/96