FPCN39 CWLW 041400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT MONDAY 4 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 820 3 45/FAIR 1340 8 86/GOOD 759 19 KAMLOOPS 24/POOR 975 2 55/GOOD 1829 6 87/GOOD 880 23 OKANAGAN 23/POOR 810 6 55/GOOD 1859 6 100/GOOD 1423 21 CASTLEGAR 17/POOR 655 7 63/GOOD 1805 4 100/GOOD 1684 15 CRANBROOK 34/FAIR 1332 7 72/GOOD 3167 6 100/GOOD 2391 23 REVELSTOKE 53/FAIR 1301 6 72/GOOD 1774 6 66/GOOD 1078 15 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 9 N 19 CRANBROOK W 11 W 31 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 44/FAIR 1194 7 77/GOOD 1693 7 100/GOOD 1441 25 100 MILE 50/FAIR 1720 6 71/GOOD 2184 9 100/GOOD 1429 23 WILLIAMS LK 48/FAIR 1608 8 79/GOOD 2128 7 100/GOOD 1737 23 PUNTZI MNT 38/FAIR 1581 3 85/GOOD 2120 7 100/GOOD 1928 31 PR. GEORGE 22/POOR 924 4 81/GOOD 2032 10 100/GOOD 2020 27 BURNS LAKE 18/POOR 1016 3 100/GOOD 1999 14 100/GOOD 2346 28 SMITHERS 15/POOR 637 4 100/GOOD 1613 16 100/GOOD 1903 24 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 0 0 SMITHERS NE 13 N 20 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 21/POOR 554 16 100/GOOD 1219 15 100/GOOD 1868 39 FT STJOHN 14/POOR 772 6 100/GOOD 1842 17 100/GOOD 2282 39 WHITEHORSE 73/GOOD 1131 17 61/GOOD 1097 16 100/GOOD 1995 18 DAWSON 25/POOR 834 18 55/GOOD 910 13 100/GOOD 1962 21 WATSON LAKE 16/POOR 751 17 55/GOOD 1020 16 100/GOOD 2126 29 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NE 11 0 0 WATSON LAKE S 12 S 17 WHITEHORSE SW 17 W 9 MAYO W 19 W 22 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 18/POOR 159 6 40/FAIR 443 8 70/GOOD 600 23 FRASER VLY 14/POOR 137 7 54/FAIR 702 11 74/GOOD 588 23 SRN VRISL 17/POOR 96 13 41/FAIR 346 13 65/GOOD 385 28 CNTRL VRISL 24/POOR 205 16 97/GOOD 1328 1 100/GOOD 836 23 NRN VRISL 41/FAIR 322 17 89/GOOD 750 22 100/GOOD 840 16 TERRACE 12/POOR 243 7 83/GOOD 1012 12 100/GOOD 1447 13 STEWART 25/POOR 237 10 75/GOOD 910 14 59/GOOD 336 13 FORECAST UPPER WINDS FOR MONDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 9 NW 10 NW 13 SANDSPIT W 20 W 26 NW 30 PORT HARDY N 20 N 18 NW 28 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^