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 201430 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 20 MAY 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 24 13 700 3 100 18 3200 9 KAMLOOPS KEL 64 13 1450 7 100 19 3350 9 OKANAGAN KEL 18 10 650 3 100 18 3350 9 CASTLEGAR GEG 58 12 1100 10 100 18 3500 17 CRANBROOK GEG 100 11 3950 20 100 16 3950 20 REVELSTOKE KEL 60 12 1450 7 100 17 3450 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 SW 11 SW 17 CRANBROOK SW 9 W 22 INVERSION HT BREAKTHRU TEMP KELOWNA 700 m 11 C SPOKANE 1200 m 11 C TODAY'S VENTING: Venting will become good late this morning through this evening as the airmass remains unstable. VENTING FOR TUESDAY: Good. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: No change. 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. 20 8 1100 5 100 15 3900 6 PR. GEORGE P.G. 20 9 900 3 100 14 3600 6 SMITHERS ANN 92 9 1700 12 100 15 3500 13 WELLS GRAY P.G. 20 7 1200 4 100 12 4000 6 FT NLSN F.N. 25 10 700 6 100 19 3400 6 FT STJOHN F.N. 24 11 1100 4 100 16 3700 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE SW 15 SW 19 SMITHERS VR 5 VR 19 INVERSION HT BREAKTHRU TEMP PR. GEORGE Missing ## C FT. NELSON 1200 m 16 C TODAY'S VENTING: Venting will become good by this afternoon as the airmass remains unstable. VENTING FOR TUESDAY: Good. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: No change. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 100 12 1200 16 100 16 2200 17 FRASER VLY QUIL 93 12 1100 14 100 17 2500 16 SRN VRISL QUIL 56 11 600 10 100 16 2150 16 CNTRL VRISL QUIL 39 10 350 10 100 15 2050 15 NRN VRISL HRDY 59 11 750 9 100 14 1800 13 TERRACE ANN 85 11 1300 12 100 16 2800 13 STEWART ANN 71 12 950 10 100 16 2350 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 MONDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER S 22 S 35 S 37 PORT HARDY S 26 S 33 S 41 SANDSPIT SE 30 SE 31 SE 33 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 175 m 9 C PORT HARDY 150 m 10 C ANNETTE none m ## C TODAY'S VENTING: Becoming good near mid morning and remaining good through the day as the airmass remains unstable. VENTING FOR TUESDAY: Good. VENTING OUTLOOK WEDNESDAY THRU FRIDAY: No change through Thursday. Venting may lower to fair on Friday due to a weak ridge of high pressure. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/JDG -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 21:53:37 This session: 00:01:22 --------Total Usage time: 21:54:59 Today's usage time: 00:06:53 This month's usage time: 02:08:34 ----This account expires: 12/31/96 NO CARRIER