FPCN39 CWLW 311430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 31 JANUARY 2001 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 35/FAIR 435 22 100/GOOD 779 23 92/GOOD 678 24 KAMLOOPS 22/POOR 508 11 47/FAIR 638 21 13/POOR 364 26 OKANAGAN 19/POOR 545 11 35/FAIR 581 17 14/POOR 462 26 CASTLEGAR 14/POOR 561 6 29/POOR 703 16 41/FAIR 845 14 CRANBROOK 19/POOR 1053 15 19/POOR 1067 9 48/FAIR 1444 20 REVELSTOKE 12/POOR 480 3 38/FAIR 697 17 12/POOR 460 16 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 33 W 70 CRANBROOK NW 17 NW 56 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 35/FAIR 734 25 15/POOR 587 28 15/POOR 576 35 100 MILE 28/POOR 1118 16 22/POOR 1054 25 22/POOR 1024 32 WILLIAMS LK 27/POOR 1109 17 13/POOR 966 21 27/POOR 1053 33 PUNTZI MNT 16/POOR 970 19 100/GOOD 1574 34 100/GOOD 1471 32 PR. GEORGE 33/POOR 868 22 25/POOR 793 32 14/POOR 718 34 BURNS LAKE 37/FAIR 919 23 49/FAIR 910 37 12/POOR 724 25 SMITHERS 45/FAIR 782 20 100/GOOD 1203 31 12/POOR 533 21 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE SW 61 W 94 SMITHERS SW 70 SW102 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 16/POOR 438 15 33/POOR 528 30 14/POOR 414 27 FT STJOHN 17/POOR 771 14 16/POOR 744 24 13/POOR 722 20 WHITEHORSE 100/GOOD 1177 32 45/FAIR 738 31 12/POOR 712 24 DAWSON 37/POOR 624 17 19/POOR 436 30 13/POOR 395 26 WATSON LAKE 29/POOR 841 25 16/POOR 745 22 13/POOR 709 21 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 46 SW 91 WATSON LAKE SW 52 W 91 WHITEHORSE S 54 SW 93 MAYO S 37 S 54 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 15/POOR 43 21 15/POOR 47 25 15/POOR 30 39 FRASER VLY 20/POOR 165 23 22/POOR 189 19 12/POOR 68 29 SRN VRISL 13/POOR 39 25 21/POOR 91 15 13/POOR 34 30 CNTRL VRISL 13/POOR 51 20 53/FAIR 328 18 15/POOR 71 29 NRN VRISL 13/POOR 41 29 12/POOR 27 39 13/POOR 33 41 TERRACE 20/POOR 315 26 13/POOR 244 25 12/POOR 232 20 STEWART 38/FAIR 227 22 17/POOR 82 25 12/POOR 30 18 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SW 29 SW 46 W 67 SANDSPIT SW 66 SW 78 SW 85 PORT HARDY S 70 SW 85 SW 91 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/LEC