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 021430 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 2 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 17 9 700 2 100 13 2750 9 KAMLOOPS KEL 100 9 2350 9 100 14 3350 9 OKANAGAN KEL 9 6 600 0 100 14 3350 9 CASTLEGAR GEG 64 8 1050 13 100 13 2750 18 CRANBROOK GEG 68 5 1350 19 100 9 2850 21 REVELSTOKE KEL 12 6 650 2 100 10 2600 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 W 9 W 11 CRANBROOK VR 5 SW 11 INVERSION HT BREAKTHRU TEMP KELOWNA 730 m 8 C SPOKANE 762 m 6 C TODAY'S VENTING: GOOD. AIRMASS IS UNSTABLE ABOVE A SHALLOW SURFACE INVERSION LAYER. VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: CONTINUING GOOD AS A BROAD TROUGH OF COOL UNSTABLE AIR REMAINS OVER BC THROUGHOUT THE PERIOD. 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. 37 3 1200 11 100 7 3950 9 PR. GEORGE P.G. 25 2 850 11 100 9 3700 10 SMITHERS ANN 78 4 1300 14 100 7 2150 12 WELLS GRAY P.G. 19 2 1100 11 100 9 4000 9 FT NLSN F.N. 23 3 600 6 98 12 2500 8 FT STJOHN F.N. 27 3 1050 6 56 6 1800 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 THURSDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE NE 31 E 31 SMITHERS NE 15 E 31 INVERSION HT BREAKTHRU TEMP PR. GEORGE 762 m 7 C FT. NELSON 792 m 7 C TODAY'S VENTING: GOOD. AIRMASS IS UNSTABLE ABOVE A SHALLOW SURFACE INVERSION LAYER. VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: CONTINUING GOOD AS A BROAD TROUGH OF COOL UNSTABLE AIR REMAINS OVER BC THROUGHOUT THE PERIOD. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 100 9 1700 12 100 12 2500 12 FRASER VLY QUIL 98 9 1600 11 100 13 2800 11 SRN VRISL QUIL 74 8 1100 9 100 13 2650 11 CNTRL VRISL QUIL 54 6 710 10 100 12 2350 11 NRN VRISL HRDY 23 6 200 8 100 10 1750 11 TERRACE ANN 100 8 1650 13 100 13 2600 12 STEWART ANN 93 9 1250 12 100 13 2300 11 *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 W 19 W 19 W 11 PORT HARDY NW 33 NW 30 N 17 SANDSPIT NW 33 N 24 N 13 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 720 m 6 C PORT HARDY 150 m 6 C ANNETTE sfc 6 C TODAY'S VENTING: GOOD. AIRMASS IS UNSTABLE ABOVE A SHALLOW SURFACE INVERSION LAYER. VENTING FOR FRIDAY: GOOD VENTING OUTLOOK SATURDAY THRU MONDAY: CONTINUING GOOD AS A BROAD TROUGH OF COOL UNSTABLE AIR REMAINS OVER BC THROUGHOUT THE PERIOD. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/MWSO -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 20:00:10 This session: 00:01:21 --------Total Usage time: 20:01:31 Today's usage time: 00:09:38 This month's usage time: 00:15:06 ----This account expires: 12/31/96 NO CARRIER