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 061432 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 TUESDAY 6 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 23 13 550 4 100 18 2850 11 KAMLOOPS KEL 18 13 600 4 100 18 2950 11 OKANAGAN KEL 18 12 550 4 100 18 2950 11 CASTLEGAR KEL 9 11 500 3 100 17 2950 12 CRANBROOK KEL 39 9 1100 11 100 15 3950 17 REVELSTOKE KEL 10 7 450 4 80 13 2450 3 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON SW 11 W 26 W 37 CRANBROOK SW 11 SW 33 INVERSION HT BREAKTHRU TEMP KELOWNA 550 m 13 C SPOKANE MISSING TODAY'S VENTING: BECOMING GOOD BY LATE THIS MORNING. VENTING FOR WEDNESDAY: GOOD VENTING OUTLOOK THURSDAY THROUGH SATURDAY: FAIR TO GOOD THURSDAY AFTERNOON. GOOD FRIDAY AND SATURDAY AFTERNOONS. 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 9 2300 19 100 16 3950 21 PR. GEORGE P.G. 60 9 1350 10 100 15 3700 19 SMITHERS P.G. 26 8 900 5 100 13 2250 14 WELLS GRAY P.G. 100 12 4000 21 100 17 4000 21 FT NLSN F.N. 67 6 950 14 100 11 2300 14 FT STJOHN F.N. 100 8 2300 13 100 13 3700 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 TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE W 22 W 24 SMITHERS W 19 W 24 INVERSION HT BREAKTHRU TEMP PR. GEORGE 1050 m 10 C FT. NELSON 450 m 4 C TODAY'S VENTING: GOOD BY LATE MORNING. VENTING FOR WEDNESDAY: GOOD VENTING OUTLOOK THURSDAY THROUGH SATURDAY: FAIR THURSDAY AFTERNOON. GOOD FRIDAY AND SATURDAY AFTERNOON WITH INCREASED INSTABILITY. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER HRDY 100 12 1800 28 100 15 2700 31 FRASER VLY HRDY 100 12 1750 28 100 15 2650 31 SRN VRISL HRDY 100 12 1600 28 100 15 2550 31 CNTRL VRISL HRDY 57 9 500 14 100 12 1650 28 NRN VRISL HRDY 55 9 450 14 100 12 1600 28 TERRACE ANT 77 9 1050 13 95 12 1650 11 STEWART ANT 42 9 450 8 84 12 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 TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER SW 30 W 35 W 37 PORT HARDY SW 22 SW 24 W 28 SANDSPIT W 15 W 13 W 11 INVERSION HT BREAKTHRU TEMP QUILLAYUTE MISSING PORT HARDY 200 m 8 C ANNETTE NO INVERSION TODAY'S VENTING: GOOD. VENTING FOR WEDNESDAY: FAIR. VENTING OUTLOOK THURSDAY THROUGH SATURDAY: FAIR IN THE SOUTH DUE TO WEAK RIDGING AND GENERALLY GOOD IN THE NORTH WITH AN ONSHORE UNSTABLE 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: 51:19:52 This session: 00:01:20 --------Total Usage time: 51:21:12 Today's usage time: 00:05:15 This month's usage time: 00:29:13 ----This account expires: 12/31/97