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 051452 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 SUNDAY 5 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 20 10 750 2 65 16 2500 3 KAMLOOPS KEL 33 10 1100 4 75 17 3350 3 OKANAGAN KEL 11 7 550 1 64 15 2650 3 CASTLEGAR GEG 21 8 900 3 84 13 2750 5 CRANBROOK GEG 9 5 950 4 100 11 3950 6 REVELSTOKE KEL 40 10 1400 4 75 16 3450 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON W 9 W 19 W 24 CRANBROOK VR 5 W 17 INVERSION HT BREAKTHRU TEMP KELOWNA 822 m 9 C SPOKANE 1005 m 8 C TODAY'S VENTING: Good in the afternoon. VENTING FOR MONDAY: Good in the afternoon. VENTING OUTLOOK TUESDAY THROUGH THURSDAY: The airmass will remain cool and unstable through the period as an upper low drifts over the south. As a result venting will be good in the afternoon. 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. 72 6 1500 16 100 12 3950 12 PR. GEORGE P.G. 100 9 2100 13 100 13 3700 13 SMITHERS ANN 47 8 1850 3 95 13 3500 5 WELLS GRAY P.G. 100 10 4000 12 100 14 4000 12 FT NLSN F.N. 100 -1 1800 15 100 3 2550 14 FT STJOHN F.N. 100 0 2600 14 100 3 3700 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE W 26 W 33 SMITHERS W 22 NW 33 INVERSION HT BREAKTHRU TEMP PR. GEORGE No inversion FT. NELSON No inversion TODAY'S VENTING: Good. VENTING FOR MONDAY: Good in the afternoon. VENTING OUTLOOK TUESDAY THROUGH THURSDAY: Broad upper trough remains over the area keeping conditions unstable resulting in good afternoon venting. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 24 8 250 9 92 13 1150 13 FRASER VLY QUIL 21 8 250 7 100 15 2150 12 SRN VRISL QUIL 24 9 250 7 100 15 2050 12 CNTRL VRISL QUIL 24 9 250 7 100 15 2100 12 NRN VRISL HRDY 37 9 600 6 72 12 1250 7 TERRACE ANN 44 10 1350 4 88 15 2850 5 STEWART ANN 46 11 1100 4 82 15 2500 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 22 W 26 W 30 PORT HARDY W 19 W 19 W 22 SANDSPIT W 15 NW 19 NW 24 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 970 m 12 C PORT HARDY No inversion ANNETTE No inversion TODAY'S VENTING: Good. VENTING FOR MONDAY: Good in the afternoon. VENTING OUTLOOK TUESDAY THROUGH THURSDAY: Venting will be good in the afternoons as the airmass remains unstable due to a broad upper trough lying stationary over the province. 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: 20:17:31 This session: 00:01:20 --------Total Usage time: 20:18:51 Today's usage time: 00:06:08 This month's usage time: 00:32:26 ----This account expires: 12/31/96 NO CARRIER