FPCN39 CWLW 311430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 31 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 63/GOOD 604 19 90/GOOD 849 13 78/GOOD 1291 5 KAMLOOPS 92/GOOD 872 18 100/GOOD 1455 15 100/GOOD 1462 14 OKANAGAN 47/FAIR 723 18 61/GOOD 982 11 100/GOOD 1429 15 CASTLEGAR 31/POOR 834 8 34/FAIR 812 10 100/GOOD 1594 15 CRANBROOK 15/POOR 1013 12 94/GOOD 1702 16 100/GOOD 1936 16 REVELSTOKE 24/POOR 648 10 18/POOR 615 8 100/GOOD 1702 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 W 20 W 41 CRANBROOK W 9 W 30 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 36/FAIR 762 20 100/GOOD 1574 11 43/FAIR 1601 5 100 MILE 29/POOR 1094 19 93/GOOD 1654 16 64/GOOD 1968 9 WILLIAMS LK 30/POOR 1126 17 100/GOOD 2139 15 33/POOR 1858 3 PUNTZI MNT 13/POOR 939 27 100/GOOD 2080 16 37/FAIR 1873 5 PR. GEORGE 38/FAIR 890 24 91/GOOD 1386 13 51/FAIR 1449 9 BURNS LAKE 17/POOR 780 23 100/GOOD 1516 17 87/GOOD 1615 15 SMITHERS 17/POOR 607 17 92/GOOD 1187 14 62/GOOD 1243 13 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 26 W 31 SMITHERS SW 30 W 37 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 450 6 14/POOR 441 18 100/GOOD 848 23 FT STJOHN 14/POOR 734 22 97/GOOD 1228 27 43/FAIR 951 28 WHITEHORSE 23/POOR 787 33 13/POOR 724 33 20/POOR 775 33 DAWSON 12/POOR 387 33 12/POOR 378 1 12/POOR 379 31 WATSON LAKE 13/POOR 720 12 13/POOR 705 27 17/POOR 749 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 37 SW 59 WATSON LAKE SW 54 W 56 WHITEHORSE SW 48 SW 76 MAYO S 37 SW 37 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 44/FAIR 321 19 25/POOR 140 24 21/POOR 418 9 FRASER VLY 25/POOR 241 16 28/POOR 242 14 31/POOR 802 9 SRN VRISL 41/FAIR 331 12 48/FAIR 282 20 18/POOR 347 5 CNTRL VRISL 53/FAIR 361 17 100/GOOD 849 18 23/POOR 746 5 NRN VRISL 45/FAIR 361 20 55/GOOD 522 12 43/FAIR 630 8 TERRACE 30/POOR 452 16 37/FAIR 524 10 36/FAIR 553 15 STEWART 19/POOR 142 16 28/POOR 168 14 20/POOR 125 19 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 27 W 33 W 41 SANDSPIT W 33 W 39 W 39 PORT HARDY SW 22 W 30 W 33 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/