FPCN39 CWLW 191330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT THURSDAY 19 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 70/GOOD 760 14 78/GOOD 684 18 72/GOOD 587 17 KAMLOOPS 50/FAIR 698 20 78/GOOD 898 21 100/GOOD 1096 23 OKANAGAN 54/FAIR 1176 11 100/GOOD 1421 23 100/GOOD 1157 27 CASTLEGAR 36/FAIR 987 12 88/GOOD 1587 13 49/FAIR 793 18 CRANBROOK 52/FAIR 1404 15 100/GOOD 2101 16 78/GOOD 1413 20 REVELSTOKE 65/GOOD 1191 10 76/GOOD 1340 13 48/FAIR 779 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SW 12 SW 35 SW 72 CRANBROOK SW 24 SW 74 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 17/POOR 629 13 48/FAIR 782 34 100/GOOD 1074 27 100 MILE 20/POOR 1044 21 90/GOOD 1345 33 100/GOOD 1974 25 WILLIAMS LK 16/POOR 1006 16 86/GOOD 1313 33 100/GOOD 1771 27 PUNTZI MNT 22/POOR 1036 17 100/GOOD 1287 26 100/GOOD 1657 32 PR. GEORGE 13/POOR 734 14 99/GOOD 1176 29 85/GOOD 1437 30 BURNS LAKE 14/POOR 774 12 20/POOR 787 25 100/GOOD 1454 31 SMITHERS 13/POOR 557 5 21/POOR 633 21 100/GOOD 1184 27 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 50 SW 61 SMITHERS SW 44 SW 50 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 15/POOR 476 10 41/FAIR 794 17 19/POOR 469 21 FT STJOHN 42/FAIR 962 23 81/GOOD 1848 18 13/POOR 717 27 WHITEHORSE 20/POOR 809 18 42/FAIR 1381 11 43/FAIR 1000 19 DAWSON 14/POOR 411 20 29/POOR 772 7 46/FAIR 841 12 WATSON LAKE 15/POOR 769 10 27/POOR 1126 13 41/FAIR 898 26 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 33 W 59 WATSON LAKE SE 26 S 30 WHITEHORSE N 11 N 9 MAYO E 30 E 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 188 18 52/FAIR 1040 43 16/POOR 34 49 FRASER VLY 16/POOR 129 13 40/FAIR 740 24 16/POOR 107 32 SRN VRISL 18/POOR 95 19 52/FAIR 970 32 15/POOR 45 34 CNTRL VRISL 25/POOR 156 22 80/GOOD 1450 32 13/POOR 44 32 NRN VRISL 99/GOOD 365 43 85/GOOD 1600 25 23/POOR 87 33 TERRACE 35/FAIR 418 12 80/GOOD 1400 20 19/POOR 320 20 STEWART 34/FAIR 232 9 80/GOOD 1450 22 26/POOR 179 19 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 35 SW 48 SW 54 SANDSPIT SW 33 W 39 W 43 PORT HARDY SW 27 W 31 SW 39 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/