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 051434 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 MONDAY 5 MAY 1997 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 27 13 750 4 75 17 1500 7 KAMLOOPS KEL 44 13 950 7 100 18 2350 11 OKANAGAN KEL 21 11 700 4 100 18 2350 11 CASTLEGAR SPOK 23 10 850 4 83 15 2400 5 CRANBROOK SPOK 9 8 950 8 100 14 2750 12 REVELSTOKE KEL 11 8 550 2 49 13 1200 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON SW 9 SW 22 SW 39 CRANBROOK SW 13 SW 44 INVERSION HT BREAKTHRU TEMP KELOWNA 800 m 12 C SPOKANE 980 m 14 C TODAY'S VENTING: GOOD IN THE AFTERNOON. VENTING FOR TUESDAY: GOOD. VENTING OUTLOOK WEDNESDAY THROUGH FRIDAY: FAIR WEDNESDAY UNDER A WEAK UPPER RIDGE. GOOD WEDNESDAY AND THURSDAY AS THE UPPER RIDGE MOVES EAST. 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 10 1800 33 100 14 3950 31 PR. GEORGE P.G. 35 9 1000 10 100 14 2350 27 SMITHERS P.G. 13 9 700 2 100 14 1750 17 WELLS GRAY P.G. 100 12 4000 31 100 15 4000 31 FT NLSN F.N. 83 8 1250 14 100 15 2800 14 FT STJOHN F.N. 90 8 1700 13 100 13 3700 14 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE SW 24 SW 31 SMITHERS SW 20 SW 31 INVERSION HT BREAKTHRU TEMP PR. GEORGE 700 m 9 C FT. NELSON 1860 m 12 C TODAY'S VENTING: GOOD. VENTING FOR TUESDAY: GOOD VENTING OUTLOOK WEDNESDAY THROUGH FRIDAY: FAIR WEDNESDAY AND THURSDAY UNDER A WEAK UPPER RIDGE. GOOD THURSDAY AS STRONGER UPPER WINDS BREAK THROUGH. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 55 12 300 25 100 14 700 28 FRASER VLY QUIL 42 12 250 18 100 15 1150 31 SRN VRISL QUIL 32 12 200 15 100 15 1050 28 CNTRL VRISL QUIL 14 11 100 12 73 12 700 15 NRN VRISL HRDY 25 10 150 11 74 12 750 13 TERRACE ANT 57 9 550 19 100 13 1950 19 STEWART ANT 16 10 200 4 100 13 1350 14 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 26 SW 37 SW 52 PORT HARDY S 46 S 57 S 57 SANDSPIT S 33 S 33 S 35 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 120 m 11 C PORT HARDY 150 m 9 C ANNETTE 300 m 10 C TODAY'S VENTING: GOOD IN THE AFTERNOON. VENTING FOR TUESDAY: GOOD. VENTING OUTLOOK WEDNESDAY THROUGH FRIDAY: GENERALLY GOOD WITH AN UNSTABLE ONSHORE FLOW. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/PLJ -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 51:14:38 This session: 00:01:19 --------Total Usage time: 51:15:57 Today's usage time: 00:05:17 This month's usage time: 00:23:58 ----This account expires: 12/31/97