FPCN39 CWLW 231400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT SATURDAY 23 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 28/POOR 424 7 58/GOOD 1244 7 45/FAIR 933 7 KAMLOOPS 26/POOR 504 9 75/GOOD 1334 8 38/FAIR 1141 2 OKANAGAN 25/POOR 632 5 58/GOOD 1381 5 37/FAIR 1349 1 CASTLEGAR 28/POOR 858 4 77/GOOD 1451 8 37/FAIR 1475 5 CRANBROOK 30/POOR 1182 1 80/GOOD 1794 9 36/FAIR 1766 7 REVELSTOKE 22/POOR 606 4 62/GOOD 1337 7 38/FAIR 1246 3 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NE 20 NE 37 CRANBROOK E 19 E 46 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 19/POOR 646 9 52/FAIR 1252 7 38/FAIR 1086 8 100 MILE 17/POOR 1020 5 78/GOOD 1746 10 38/FAIR 1554 3 WILLIAMS LK 19/POOR 1031 5 68/GOOD 1786 8 37/FAIR 1541 4 PUNTZI MNT 23/POOR 1019 4 85/GOOD 1685 10 40/FAIR 1518 8 PR. GEORGE 22/POOR 805 9 57/GOOD 1405 4 40/FAIR 1273 6 BURNS LAKE 50/FAIR 972 6 68/GOOD 1307 10 36/FAIR 1257 6 SMITHERS 53/FAIR 817 3 57/GOOD 1012 10 56/GOOD 1259 6 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 N 19 SMITHERS E 17 N 33 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 29/POOR 509 39 50/FAIR 1165 5 13/POOR 517 5 FT STJOHN 23/POOR 794 25 100/GOOD 1568 17 37/FAIR 889 26 WHITEHORSE 35/FAIR 912 23 100/GOOD 1328 28 34/FAIR 875 20 DAWSON 16/POOR 452 15 100/GOOD 1688 9 75/GOOD 984 13 WATSON LAKE 15/POOR 746 24 100/GOOD 1345 28 12/POOR 700 8 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 30 NW 41 WATSON LAKE NW 48 NW 52 WHITEHORSE W 54 W 46 MAYO W 76 W 104 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 289 23 60/GOOD 619 3 50/FAIR 339 6 FRASER VLY 16/POOR 161 12 72/GOOD 836 7 49/FAIR 732 6 SRN VRISL 29/POOR 232 8 61/GOOD 495 5 46/FAIR 180 8 CNTRL VRISL 26/POOR 242 12 59/GOOD 592 3 46/FAIR 435 5 NRN VRISL 14/POOR 75 5 42/FAIR 383 6 33/FAIR 297 4 TERRACE 16/POOR 372 4 39/FAIR 600 4 51/FAIR 903 7 STEWART 14/POOR 61 23 47/FAIR 256 11 38/FAIR 281 11 FORECAST UPPER WINDS FOR SATURDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 44 E 46 NE 37 SANDSPIT NE 22 N 30 N 41 PORT HARDY SE 25 N 9 NE 30 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^