FPCN39 CWLW 181330 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 18 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 55/GOOD 517 24 55/GOOD 525 20 34/FAIR 437 19 KAMLOOPS 34/FAIR 498 30 100/GOOD 1650 28 100/GOOD 1273 21 OKANAGAN 67/GOOD 790 26 100/GOOD 1387 20 100/GOOD 1654 18 CASTLEGAR 36/FAIR 738 18 73/GOOD 945 16 35/FAIR 842 9 CRANBROOK 32/POOR 1104 25 100/GOOD 1845 24 100/GOOD 2016 15 REVELSTOKE 100/GOOD 1106 18 70/GOOD 950 21 74/GOOD 1298 10 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON S 11 SW 30 SW 59 CRANBROOK W 20 W 65 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 21/POOR 635 29 100/GOOD 1949 29 78/GOOD 900 31 100 MILE 40/FAIR 1102 37 100/GOOD 2747 32 100/GOOD 1539 31 WILLIAMS LK 19/POOR 1011 33 100/GOOD 2520 29 76/GOOD 1307 31 PUNTZI MNT 23/POOR 1007 33 100/GOOD 2482 30 100/GOOD 1375 18 PR. GEORGE 19/POOR 759 34 100/GOOD 2055 28 81/GOOD 1083 29 BURNS LAKE 82/GOOD 1054 32 100/GOOD 1745 30 17/POOR 782 24 SMITHERS 35/FAIR 681 32 100/GOOD 1335 25 28/POOR 671 24 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 30 S 28 SMITHERS SE 44 S 44 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 20/POOR 587 14 84/GOOD 956 27 29/POOR 969 16 FT STJOHN 25/POOR 779 39 100/GOOD 2152 48 72/GOOD 1797 15 WHITEHORSE 23/POOR 888 14 40/FAIR 1215 10 100/GOOD 1358 22 DAWSON 15/POOR 415 20 38/POOR 983 11 56/GOOD 904 12 WATSON LAKE 16/POOR 746 25 16/POOR 786 12 91/GOOD 1312 27 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 26 S 26 WATSON LAKE SW 15 SW 22 WHITEHORSE S 28 S 28 MAYO S 41 S 35 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 24/POOR 113 28 28/POOR 156 12 18/POOR 44 50 FRASER VLY 26/POOR 198 25 58/GOOD 340 15 30/POOR 201 30 SRN VRISL 21/POOR 93 27 56/GOOD 430 15 13/POOR 31 35 CNTRL VRISL 17/POOR 93 23 62/GOOD 464 12 16/POOR 72 31 NRN VRISL 43/FAIR 266 26 67/GOOD 443 13 13/POOR 36 23 TERRACE 82/GOOD 702 24 57/GOOD 420 17 16/POOR 281 23 STEWART 34/FAIR 227 17 56/GOOD 480 20 14/POOR 50 23 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER S 50 S 59 SW 63 SANDSPIT S 66 S 61 S 54 PORT HARDY S 37 S 46 S 50 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO