FPCN39 CWLW 041400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 4 OCTOBER 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 46/FAIR 537 16 60/GOOD 1558 6 50/FAIR 799 8 KAMLOOPS 60/GOOD 1227 17 60/GOOD 1651 14 48/FAIR 1025 8 OKANAGAN 60/GOOD 1085 13 60/GOOD 1788 14 50/FAIR 1173 7 CASTLEGAR 47/FAIR 801 17 60/GOOD 2273 13 42/FAIR 1569 4 CRANBROOK 22/POOR 1053 20 60/GOOD 2877 11 63/GOOD 2215 2 REVELSTOKE 60/GOOD 1530 15 60/GOOD 2032 9 36/FAIR 1488 2 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 NW 15 NW 24 CRANBROOK NW 15 NW 43 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 54/FAIR 987 16 59/GOOD 1536 7 58/GOOD 1212 10 100 MILE 100/GOOD 1588 22 60/GOOD 2058 13 56/GOOD 1645 10 WILLIAMS LK 88/GOOD 1530 19 85/GOOD 2038 9 55/GOOD 1570 10 PUNTZI MNT 49/FAIR 1377 13 33/POOR 1901 3 55/GOOD 1420 14 PR. GEORGE 46/FAIR 1017 20 35/FAIR 1659 4 45/FAIR 1366 6 BURNS LAKE 53/FAIR 1102 16 49/FAIR 1688 6 77/GOOD 1335 15 SMITHERS 51/FAIR 949 14 47/FAIR 1418 6 79/GOOD 1157 14 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 28 NW 35 SMITHERS W 17 NW 41 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 34/FAIR 562 24 69/GOOD 1004 13 35/FAIR 615 18 FT STJOHN 32/POOR 917 20 60/GOOD 1742 13 40/FAIR 1176 10 WHITEHORSE 17/POOR 785 8 27/POOR 898 17 90/GOOD 779 36 DAWSON 17/POOR 441 14 20/POOR 476 18 60/GOOD 401 36 WATSON LAKE 15/POOR 784 6 29/POOR 1209 3 35/FAIR 972 16 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 11 W 13 WATSON LAKE 0 0 NW 19 WHITEHORSE 0 0 NW 19 MAYO 0 0 W 20 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 30/POOR 293 5 35/FAIR 478 15 13/POOR 24 25 FRASER VLY 18/POOR 197 9 35/FAIR 1220 9 17/POOR 133 21 SRN VRISL 48/FAIR 395 22 33/POOR 363 11 20/POOR 98 19 CNTRL VRISL 57/GOOD 382 28 38/FAIR 652 7 23/POOR 186 13 NRN VRISL 41/FAIR 455 13 45/FAIR 667 13 15/POOR 73 21 TERRACE 32/POOR 646 4 27/POOR 1025 1 56/GOOD 771 9 STEWART 25/POOR 178 16 18/POOR 154 11 20/POOR 106 18 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 11 W 20 W 43 SANDSPIT W 48 W 43 W 35 PORT HARDY NW 25 NW 33 NW 44 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^