FPCN39 CWLW 201400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 20 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 78/GOOD 747 20 100/GOOD 1102 17 100/GOOD 1690 17 KAMLOOPS 100/GOOD 1131 25 100/GOOD 1398 30 100/GOOD 2212 20 OKANAGAN 22/POOR 357 3 100/GOOD 1344 25 100/GOOD 2466 19 CASTLEGAR 25/POOR 655 16 84/GOOD 1096 12 100/GOOD 2496 10 CRANBROOK 17/POOR 1035 15 91/GOOD 1539 12 100/GOOD 2965 14 REVELSTOKE 46/FAIR 895 13 16/POOR 546 13 100/GOOD 2420 12 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 16 W 43 NW 76 CRANBROOK W 20 W 59 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 43/FAIR 1159 5 100/GOOD 1401 24 100/GOOD 2170 17 100 MILE 41/FAIR 1372 7 100/GOOD 1685 32 100/GOOD 2603 20 WILLIAMS LK 94/GOOD 1595 14 100/GOOD 2037 26 100/GOOD 2536 18 PUNTZI MNT 100/GOOD 1497 16 100/GOOD 2041 21 100/GOOD 2238 16 PR. GEORGE 98/GOOD 1480 13 100/GOOD 1966 28 100/GOOD 2356 12 BURNS LAKE 50/FAIR 1035 12 100/GOOD 2020 17 87/GOOD 2358 13 SMITHERS 45/FAIR 1032 9 100/GOOD 1879 12 60/GOOD 1755 5 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 44 NW 54 SMITHERS N 35 N 61 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 38/FAIR 736 11 62/GOOD 1062 10 100/GOOD 1626 16 FT STJOHN 39/FAIR 537 15 100/GOOD 2450 23 100/GOOD 2467 8 WHITEHORSE 35/FAIR 415 18 38/FAIR 1529 2 34/FAIR 833 34 DAWSON 13/POOR 411 4 100/GOOD 1275 15 24/POOR 515 17 WATSON LAKE 60/GOOD 1017 21 100/GOOD 2304 12 100/GOOD 1476 18 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 30 NW 46 WATSON LAKE NW 41 NW 48 WHITEHORSE W 30 W 46 MAYO W 39 W 43 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 37/FAIR 250 4 40/FAIR 380 24 100/GOOD 608 19 FRASER VLY 15/POOR 128 16 53/FAIR 593 8 100/GOOD 1395 26 SRN VRISL 37/FAIR 193 25 27/POOR 185 14 79/GOOD 364 29 CNTRL VRISL 39/FAIR 239 26 98/GOOD 645 21 100/GOOD 981 20 NRN VRISL 22/POOR 138 22 75/GOOD 433 33 69/GOOD 525 17 TERRACE 22/POOR 251 8 100/GOOD 1418 11 74/GOOD 1415 12 STEWART 29/POOR 239 6 64/GOOD 510 14 50/FAIR 828 7 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 38 W 59 NW 78 SANDSPIT N 46 N 50 N 46 PORT HARDY NW 37 NW 48 NW 61 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^