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 SUNDAY 21 JULY 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 14 18 650 1 64 26 2250 4 KAMLOOPS KEL 42 21 1750 3 92 28 3350 5 OKANAGAN KEL 33 19 1350 3 92 27 3350 5 CASTLEGAR GEG 18 18 800 3 100 26 3500 7 CRANBROOK GEG 10 15 950 9 100 22 3950 8 REVELSTOKE KEL 12 16 750 1 44 21 1900 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 SW 5 W 10 W 17 CRANBROOK W 9 W 17 INVERSION HT BREAKTHRU TEMP KELOWNA 550 m 16 C SPOKANE 870 m 19 C TODAY'S VENTING: POOR IN THE MORNING BECOMING GOOD BY AFTERNOON AS INVERSION BREAKS. LOCALLY FAIR EASTERN VALLEYS DUE SLOW SURFACE HEATING UNDER CLOUD COVER. VENTING FOR MONDAY: GOOD VENTING OUTLOOK TUESDAY THRU THURSDAY: FAIR OVERALL. STAGNATION UNDER BUILDING RIDGE OF HIGH PRESSURE. 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 14 1950 21 100 19 3950 19 PR. GEORGE P.G. 47 14 1000 15 100 18 2400 19 SMITHERS ANN 76 14 1400 11 100 18 2200 10 WELLS GRAY P.G. 100 15 2400 21 100 19 4000 19 FT NLSN F.N. 9 6 400 3 48 21 860 10 FT STJOHN F.N. 9 15 700 17 42 19 900 17 *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 20 W 25 SMITHERS S 15 SW 20 INVERSION HT BREAKTHRU TEMP PR. GEORGE 880 m 15 C FT. NELSON 900 m 22 C TODAY'S VENTING: GOOD EXCEPT FAIR NORTHEAST BC UNDER DEEP INVERSION. VENTING FOR MONDAY: GOOD VENTING OUTLOOK TUESDAY THRU THURSDAY: FAIR TO GOOD. COULD STAGNATE TO POOR BY WEDNESDAY AS RIDGE SETTLES OVER DISTRICTS. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 25 17 700 3 38 22 1450 2 FRASER VLY QUIL 28 18 800 3 48 25 1950 3 SRN VRISL QUIL 25 17 650 3 39 22 1350 3 CNTRL VRISL QUIL 28 18 750 3 41 23 1500 3 NRN VRISL HRDY 31 15 550 5 63 18 1200 6 TERRACE ANN 86 16 1350 11 100 21 2200 11 STEWART ANN 80 16 1150 10 100 21 1950 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 SUNDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m VANCOUVER W 11 NW 13 NW 17 PORT HARDY W 10 W 15 NW 25 SANDSPIT SE 15 SW 20 SW 25 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 3650 m 38 C PORT HARDY 2380 m 27 C ANNETTE 1530 m 18 C TODAY'S VENTING: FAIR SOUTH COAST DUE LIGHT WINDS AND DEEP MARINE INVERSION. GOOD NORTH COAST DUE WINDS. VENTING FOR MONDAY: FAIR TO GOOD. VENTING OUTLOOK TUESDAY THRU THURSDAY: FAIR OCCASIONALLY POOR UNDER STAGNATING RIDGE. 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: 27:46:49 This session: 00:01:19 --------Total Usage time: 27:48:08 Today's usage time: 00:05:15 This month's usage time: 01:40:53 ----This account expires: 12/31/96