FPCN39 CWLW 251430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 25 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 18/POOR 352 12 21/POOR 438 9 49/FAIR 699 8 KAMLOOPS 16/POOR 475 5 16/POOR 485 8 37/FAIR 825 7 OKANAGAN 14/POOR 521 6 13/POOR 464 9 48/FAIR 905 12 CASTLEGAR 14/POOR 595 4 48/FAIR 934 11 33/POOR 922 12 CRANBROOK 14/POOR 1016 6 100/GOOD 1706 12 27/POOR 1263 10 REVELSTOKE 13/POOR 497 6 72/GOOD 998 12 48/FAIR 886 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 E 15 E 22 CRANBROOK E 11 E 22 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 13/POOR 579 1 17/POOR 759 9 21/POOR 838 13 100 MILE 15/POOR 1011 2 29/POOR 1269 5 24/POOR 1478 0 WILLIAMS LK 13/POOR 983 2 18/POOR 1178 7 14/POOR 1222 6 PUNTZI MNT 12/POOR 935 4 23/POOR 1272 4 17/POOR 1224 5 PR. GEORGE 12/POOR 723 8 17/POOR 896 5 19/POOR 906 7 BURNS LAKE 13/POOR 747 14 27/POOR 923 10 17/POOR 886 8 SMITHERS 17/POOR 597 20 31/POOR 785 10 21/POOR 676 13 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE E 11 NE 11 SMITHERS SE 28 E 17 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 407 11 13/POOR 434 13 15/POOR 443 13 FT STJOHN 13/POOR 724 9 13/POOR 729 18 19/POOR 798 24 WHITEHORSE 16/POOR 766 23 13/POOR 720 27 15/POOR 737 30 DAWSON 13/POOR 396 22 14/POOR 419 15 14/POOR 396 28 WATSON LAKE 12/POOR 713 4 12/POOR 759 3 12/POOR 708 18 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE SW 22 W 26 WATSON LAKE W 48 W 46 WHITEHORSE SW 52 SW 74 MAYO SW 33 SW 48 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 45/FAIR 397 14 21/POOR 214 10 31/POOR 148 15 FRASER VLY 28/POOR 318 13 29/POOR 474 15 49/FAIR 398 20 SRN VRISL 38/FAIR 282 15 43/FAIR 324 16 30/POOR 202 13 CNTRL VRISL 35/FAIR 310 13 42/FAIR 439 7 57/GOOD 475 8 NRN VRISL 35/FAIR 179 34 38/FAIR 319 11 17/POOR 176 10 TERRACE 20/POOR 328 17 28/POOR 455 12 15/POOR 349 7 STEWART 18/POOR 96 22 14/POOR 58 19 12/POOR 36 10 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 18 E 20 E 26 SANDSPIT 0 0 E 13 E 17 PORT HARDY NE 11 E 19 E 31 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/