FPCN39 CWLW 281430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 28 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 16/POOR 309 14 17/POOR 345 11 17/POOR 313 17 KAMLOOPS 12/POOR 369 12 25/POOR 506 18 12/POOR 355 17 OKANAGAN 18/POOR 577 9 46/FAIR 808 18 13/POOR 465 15 CASTLEGAR 15/POOR 558 19 27/POOR 809 12 18/POOR 644 10 CRANBROOK 14/POOR 985 19 21/POOR 1299 7 14/POOR 1002 10 REVELSTOKE 12/POOR 471 8 30/POOR 778 13 22/POOR 641 9 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 S 20 SW 33 CRANBROOK 0 0 NW 17 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 14/POOR 582 19 30/POOR 706 25 15/POOR 604 11 100 MILE 15/POOR 990 18 32/POOR 1106 25 14/POOR 979 10 WILLIAMS LK 14/POOR 985 18 25/POOR 1057 24 12/POOR 971 8 PUNTZI MNT 13/POOR 934 13 28/POOR 1077 19 42/FAIR 1109 20 PR. GEORGE 14/POOR 745 11 24/POOR 889 19 14/POOR 762 1 BURNS LAKE 13/POOR 743 18 34/FAIR 904 25 17/POOR 814 15 SMITHERS 13/POOR 555 22 39/FAIR 769 23 21/POOR 672 15 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE S 37 S 22 SMITHERS SE 46 SE 39 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 9 12/POOR 397 6 13/POOR 429 21 FT STJOHN 12/POOR 710 13 12/POOR 720 2 26/POOR 872 16 WHITEHORSE 14/POOR 742 19 35/FAIR 886 26 18/POOR 769 25 DAWSON 17/POOR 425 27 21/POOR 432 36 13/POOR 387 35 WATSON LAKE 12/POOR 710 3 13/POOR 727 7 12/POOR 696 5 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SE 31 S 26 WATSON LAKE S 20 SW 17 WHITEHORSE S 41 S 43 MAYO S 46 S 50 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 35/FAIR 134 36 14/POOR 23 30 12/POOR 16 14 FRASER VLY 13/POOR 89 23 12/POOR 68 20 12/POOR 73 16 SRN VRISL 33/POOR 256 15 14/POOR 55 22 19/POOR 83 17 CNTRL VRISL 29/POOR 143 23 21/POOR 134 22 14/POOR 128 3 NRN VRISL 40/FAIR 139 33 15/POOR 46 40 13/POOR 69 9 TERRACE 15/POOR 286 17 14/POOR 279 17 12/POOR 242 14 STEWART 13/POOR 51 19 12/POOR 25 22 12/POOR 27 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER SE 33 S 35 SW 44 SANDSPIT SE 57 S 44 S 39 PORT HARDY SE 61 S 63 SW 57 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MWSO