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 161438 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 16 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 71 20 2100 15 97 28 2250 8 KAMLOOPS KEL 65 20 2100 10 100 30 3350 10 OKANAGAN KEL 65 22 2100 10 100 30 3000 10 CASTLEGAR GEG 89 19 1410 15 100 31 2000 26 CRANBROOK GEG 63 19 1410 15 100 30 3950 25 REVELSTOKE KEL 21 17 690 7 100 27 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 TUESDAY AFTERNOON (WINDS IN KM/H): 900m 1800m 2700m PENTICTON SW 17 SW 24 CRANBROOK SW 11 SW 35 INVERSION HT BREAKTHRU TEMP KELOWNA 680 m 23 C SPOKANE 1410 m 28 C TODAY'S VENTING: GOOD EXCEPT POOR EASTERN VALLEYS UNTIL MID MORNING DUE LIGHT WINDS. VENTING FOR WEDNESDAY: FAIR TO GOOD VENTING OUTLOOK THURSDAY THRU SATURDAY: GOOD THURSDAY AND FRIDAY DUE UNSTABLE AIRMASS. DIMINISHING TO FAIR SATURDAY WITH LIGHT WINDS. 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. 50 14 1440 10 100 22 3950 11 PR. GEORGE P.G. 65 14 1440 10 100 20 3700 11 SMITHERS ANN 75 9 1130 10 100 18 3500 13 WELLS GRAY P.G. 46 14 1430 10 100 23 4000 11 FT NLSN F.N. 96 12 1430 15 100 17 2050 23 FT STJOHN F.N. 64 12 1430 10 100 17 3700 22 *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 05 SW 10 SMITHERS CALM NE 05 INVERSION HT BREAKTHRU TEMP PR. GEORGE 700 m 14 C FT. NELSON 460 m 12 C TODAY'S VENTING: GOOD EXCEPT FAIR CENTRAL INTERIOR TIL MID MORNING. VENTING FOR WEDNESDAY: GOOD VENTING OUTLOOK THURSDAY THRU SATURDAY: FAIR TO GOOD. LOCALLY POOR THURSDAY DUE THICK COVER AND LIMITED SURFACE HEATING. COAST UPPER ***** MORNING ****** ***** AFTERNOON **** AIR VI Tmp MXG HT Wnd VI Tmp MXG HT Wnd (mASL) (kt) (mASL) (kt) VANCOUVER QUIL 58 15 710 10 81 21 1050 12 FRASER VLY QUIL 59 15 710 10 80 22 1150 10 SRN VRISL QUIL 62 15 710 10 77 21 1000 10 CNTRL VRISL QUIL 61 15 710 10 77 21 1000 10 NRN VRISL HRDY 80 15 760 15 100 16 1400 19 TERRACE ANN 73 12 1130 10 100 21 3200 13 STEWART ANN 81 12 1130 10 100 21 2900 12 *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 19 SW 20 SW 26 PORT HARDY NW 11 W 10 SW 15 SANDSPIT NW 22 NW 25 NW 25 INVERSION HT BREAKTHRU TEMP QUILLAYUTE 90 m 12 C PORT HARDY 130 m 11 C ANNETTE 110 m 12 C TODAY'S VENTING: GOOD LOCALLY FAIR THIS MORNING. VENTING FOR WEDNESDAY: GOOD VENTING OUTLOOK THURSDAY THRU SATURDAY: 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