FPCN39 CWLW 191400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT TUESDAY 19 SEPTEMBER 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 50/FAIR 1133 12 100/GOOD 1552 11 100/GOOD 2085 11 KAMLOOPS 48/FAIR 1262 21 100/GOOD 1688 17 100/GOOD 1799 17 OKANAGAN 35/FAIR 1397 12 100/GOOD 1786 19 84/GOOD 1820 13 CASTLEGAR 45/FAIR 1133 10 100/GOOD 2154 18 100/GOOD 2260 9 CRANBROOK 52/FAIR 1669 15 100/GOOD 3337 24 100/GOOD 3444 12 REVELSTOKE 34/FAIR 1220 17 100/GOOD 1922 12 100/GOOD 1992 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 11 W 30 W 41 CRANBROOK W 17 W 50 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 48/FAIR 1501 24 69/GOOD 1673 8 100/GOOD 2022 19 100 MILE 52/FAIR 1841 24 100/GOOD 2015 15 100/GOOD 2420 21 WILLIAMS LK 54/FAIR 1903 22 84/GOOD 1990 10 100/GOOD 2468 19 PUNTZI MNT 50/FAIR 1515 17 65/GOOD 1730 15 100/GOOD 2527 13 PR. GEORGE 52/FAIR 1525 24 75/GOOD 2100 15 100/GOOD 2342 15 BURNS LAKE 45/FAIR 1327 20 65/GOOD 1448 17 75/GOOD 1856 9 SMITHERS 42/FAIR 1071 16 60/GOOD 1195 15 62/GOOD 1533 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 43 W 44 SMITHERS SW 43 W 48 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 100/GOOD 1404 27 100/GOOD 1863 17 100/GOOD 2372 8 FT STJOHN 100/GOOD 1850 30 100/GOOD 2276 12 100/GOOD 2737 18 WHITEHORSE 55/GOOD 1000 17 96/GOOD 1911 9 88/GOOD 1705 10 DAWSON 24/POOR 544 13 100/GOOD 1519 13 81/GOOD 1241 12 WATSON LAKE 100/GOOD 1312 23 100/GOOD 1946 9 97/GOOD 1899 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 35 W 48 WATSON LAKE W 56 W 59 WHITEHORSE W 37 W 43 MAYO NW 20 W 26 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 34/FAIR 236 23 45/FAIR 401 19 27/POOR 354 23 FRASER VLY 33/POOR 499 10 41/FAIR 819 14 39/FAIR 826 10 SRN VRISL 26/POOR 166 22 40/FAIR 700 13 21/POOR 271 9 CNTRL VRISL 38/FAIR 367 24 38/FAIR 559 12 42/FAIR 606 14 NRN VRISL 41/FAIR 294 17 45/FAIR 398 22 58/GOOD 347 31 TERRACE 35/FAIR 541 13 45/FAIR 765 11 46/FAIR 1043 6 STEWART 21/POOR 201 12 47/FAIR 810 10 21/POOR 352 5 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 12 W 30 W 48 SANDSPIT SW 22 SW 31 W 63 PORT HARDY S 25 W 35 W 67 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO $$$$^^