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 211430 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 FRIDAY 21 JUNE 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 9 12 175 5 100 24 3050 15 KAMLOOPS KEL 9 11 350 5 100 24 3050 10 OKANAGAN KEL 9 13 350 5 100 24 3050 10 CASTLEGAR GEG 9 16 800 0 95 25 4800 5 CRANBROOK GEG 9 15 950 0 80 22 4800 5 REVELSTOKE KEL 9 09 450 2 85 23 3050 8 *SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. FORECAST UPPER WINDS FOR FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON VR 5 VR 5 E 11 CRANBROOK VR 5 E 13 INVERSION HT BREAKTHRU TEMP KELOWNA 650 m 14 C SPOKANE 950 m 18 C TODAY'S VENTING: Good. Shallow surface inversions and the potential for strong surface heating should lead to deep convection this afternoon. VENTING FOR SATURDAY: Good. VENTING OUTLOOK SUNDAY THRU TUESDAY: Good. 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. 64 13 2150 6 100 20 3950 6 PR. GEORGE P.G. 37 12 1000 10 100 21 3700 7 SMITHERS ANN 24 16 1100 3 67 21 3500 3 WELLS GRAY P.G. 73 13 2450 6 100 22 4000 6 FT NLSN F.N. 43 13 800 9 75 17 2170 11 FT STJOHN F.N. 9 09 700 3 85 17 2170 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PR. GEORGE NE 15 E 11 SMITHERS NE 9 NE 11 INVERSION HT BREAKTHRU TEMP PR. GEORGE 980 m 13 C FT. NELSON 1140 m 17 C TODAY'S VENTING: Good except fair to poor northeast BC under building upper ridge. VENTING FOR SATURDAY: Fair to good. VENTING OUTLOOK SUNDAY THRU TUESDAY: Fair locally poor due elevated surface inversion under northern ridge. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 50 16 950 6 64 20 1400 6 FRASER VLY QUIL 48 16 950 5 87 24 2300 6 SRN VRISL QUIL 49 16 950 5 64 21 1450 5 CNTRL VRISL QUIL 46 15 900 5 78 23 1900 6 NRN VRISL HRDY 45 14 800 6 52 17 950 6 TERRACE ANN 33 18 900 4 72 24 3200 3 STEWART ANN 28 17 400 5 56 24 1950 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 FRIDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 9 VR 5 VR 5 PORT HARDY N 22 N 26 N 24 SANDSPIT N 15 N 11 N 9 INVERSION HT BREAKTHRU TEMP QUILLAYUTE none m 12 C PORT HARDY none m 11 C ANNETTE 500 m 18 C TODAY'S VENTING: Fair early this morning becoming good by mid-morning with daytime heating. VENTING FOR SATURDAY: Good. VENTING OUTLOOK SUNDAY THRU TUESDAY: Good. VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET. END/kal -------------------------------------------------- Special Industry Related Information -------------------------------------------------- 1 - Smoke Forecast, Coast 2 - Smoke Forecast, Interior Q - Return to Previous menu -------------------------------------------------- l Previous usage time: 25:24:50 This session: 00:01:21 --------Total Usage time: 25:26:11 Today's usage time: 00:05:31 This month's usage time: 02:17:27 ----This account expires: 12/31/96