FPCN39 CWLW 201430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 20 DECEMBER 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 18/POOR 337 9 23/POOR 487 11 19/POOR 361 11 KAMLOOPS 12/POOR 367 9 17/POOR 519 17 26/POOR 494 21 OKANAGAN 12/POOR 451 7 20/POOR 570 13 33/POOR 613 22 CASTLEGAR 15/POOR 551 19 37/FAIR 1006 6 28/POOR 698 16 CRANBROOK 14/POOR 986 22 22/POOR 1339 9 24/POOR 1227 8 REVELSTOKE 13/POOR 480 18 20/POOR 692 6 31/POOR 674 19 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SE 13 0 0 CRANBROOK 0 0 NW 28 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 15/POOR 596 13 42/FAIR 815 25 31/POOR 689 28 100 MILE 12/POOR 956 8 39/FAIR 1187 25 38/FAIR 1116 29 WILLIAMS LK 13/POOR 968 11 36/FAIR 1177 24 27/POOR 1064 28 PUNTZI MNT 13/POOR 943 12 16/POOR 1044 12 23/POOR 1016 23 PR. GEORGE 13/POOR 726 14 26/POOR 898 16 19/POOR 820 23 BURNS LAKE 18/POOR 789 26 26/POOR 955 14 15/POOR 750 31 SMITHERS 17/POOR 593 26 27/POOR 757 15 15/POOR 563 29 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 30 SW 20 SMITHERS S 28 S 20 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 12/POOR 395 10 12/POOR 401 18 16/POOR 534 10 FT STJOHN 13/POOR 720 12 13/POOR 722 30 18/POOR 864 13 WHITEHORSE 12/POOR 718 27 12/POOR 711 24 12/POOR 708 13 DAWSON 15/POOR 407 31 16/POOR 404 38 12/POOR 381 21 WATSON LAKE 12/POOR 700 5 12/POOR 698 5 12/POOR 703 5 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE S 24 S 22 WATSON LAKE S 13 S 17 WHITEHORSE S 31 S 39 MAYO SE 35 SE 39 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 72/GOOD 296 42 48/FAIR 210 30 15/POOR 30 38 FRASER VLY 27/POOR 190 26 13/POOR 94 20 13/POOR 83 27 SRN VRISL 62/GOOD 402 22 43/FAIR 200 22 20/POOR 80 38 CNTRL VRISL 64/GOOD 323 28 26/POOR 125 24 17/POOR 80 33 NRN VRISL 57/GOOD 224 41 34/FAIR 157 38 15/POOR 44 48 TERRACE 15/POOR 275 22 13/POOR 251 14 20/POOR 312 22 STEWART 20/POOR 108 27 16/POOR 76 18 12/POOR 24 31 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 33 SE 24 S 20 SANDSPIT N 18 NW 30 NW 56 PORT HARDY SE 42 S 30 SW 11 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/