FPCN39 CWLW 231430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 23 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 14/POOR 277 15 36/FAIR 519 15 23/POOR 557 4 KAMLOOPS 20/POOR 450 19 32/POOR 596 19 46/FAIR 799 12 OKANAGAN 19/POOR 525 21 36/FAIR 706 16 49/FAIR 806 16 CASTLEGAR 18/POOR 576 20 43/FAIR 817 22 44/FAIR 971 9 CRANBROOK 16/POOR 1006 22 26/POOR 1211 12 30/POOR 1233 9 REVELSTOKE 16/POOR 513 18 27/POOR 658 21 36/FAIR 792 11 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON SE 11 SE 31 SE 54 CRANBROOK E 13 SE 31 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 59/GOOD 790 33 28/POOR 648 29 37/FAIR 856 13 100 MILE 52/FAIR 1179 29 50/FAIR 1226 27 53/FAIR 1345 15 WILLIAMS LK 49/FAIR 1175 28 54/FAIR 1292 25 34/FAIR 1314 7 PUNTZI MNT 15/POOR 964 14 19/POOR 1035 14 15/POOR 1113 4 PR. GEORGE 17/POOR 750 26 47/FAIR 1006 23 41/FAIR 1042 4 BURNS LAKE 17/POOR 787 17 19/POOR 839 15 13/POOR 778 3 SMITHERS 23/POOR 656 18 20/POOR 651 14 14/POOR 610 5 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 57 S 63 SMITHERS S 35 S 54 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 13/POOR 419 12 13/POOR 452 9 24/POOR 484 29 FT STJOHN 15/POOR 748 16 18/POOR 795 18 39/FAIR 907 18 WHITEHORSE 13/POOR 722 30 12/POOR 712 19 12/POOR 722 22 DAWSON 13/POOR 395 28 14/POOR 398 15 12/POOR 388 25 WATSON LAKE 12/POOR 705 14 12/POOR 713 6 12/POOR 700 12 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 43 SW 72 WATSON LAKE SW 39 SW 57 WHITEHORSE SW 31 SW 46 MAYO SW 35 W 31 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 80 38 14/POOR 35 22 12/POOR 29 10 FRASER VLY 20/POOR 135 27 15/POOR 120 17 26/POOR 298 1 SRN VRISL 28/POOR 136 27 25/POOR 130 18 13/POOR 69 4 CNTRL VRISL 26/POOR 145 31 54/FAIR 345 19 20/POOR 222 4 NRN VRISL 24/POOR 99 45 18/POOR 79 32 13/POOR 53 16 TERRACE 15/POOR 281 17 13/POOR 262 13 13/POOR 275 6 STEWART 30/POOR 207 17 16/POOR 91 16 12/POOR 46 10 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 37 SE 48 SE 52 SANDSPIT S 55 S 52 S 63 PORT HARDY SE 42 S 56 S 67 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/