FPCN39 CWLW 071430 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PST THURSDAY 7 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 28/POOR 559 9 26/POOR 391 10 33/POOR 510 16 KAMLOOPS 13/POOR 380 19 23/POOR 566 10 30/POOR 532 9 OKANAGAN 48/POOR 712 10 45/FAIR 1046 10 43/FAIR 794 11 CASTLEGAR 12/POOR 526 9 28/POOR 413 8 30/POOR 677 5 CRANBROOK 15/POOR 997 16 45/FAIR 1593 3 46/FAIR 1440 13 REVELSTOKE 12/POOR 471 12 33/POOR 1140 6 41/FAIR 936 8 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 N 13 N 20 CRANBROOK 0 0 N 11 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 12/POOR 567 16 23/POOR 836 4 42/FAIR 1137 8 100 MILE 15/POOR 1062 20 33/POOR 1225 4 45/FAIR 1028 13 WILLIAMS LK 12/POOR 961 18 27/POOR 1533 4 32/POOR 1343 6 PUNTZI MNT 16/POOR 993 14 29/POOR 1324 9 40/FAIR 1065 10 PR. GEORGE 13/POOR 732 19 20/POOR 961 5 22/POOR 1242 8 BURNS LAKE 14/POOR 790 21 16/POOR 887 6 31/POOR 1154 12 SMITHERS 12/POOR 545 20 18/POOR 673 12 29/POOR 834 12 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE 0 0 NW 13 SMITHERS E 19 0 0 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 439 11 15/POOR 525 6 17/POOR 496 15 FT STJOHN 18/POOR 790 25 25/POOR 994 4 26/POOR 968 20 WHITEHORSE 13/POOR 726 20 14/POOR 754 11 33/POOR 862 27 DAWSON 13/POOR 390 7 14/POOR 420 13 12/POOR 374 25 WATSON LAKE 12/POOR 703 28 12/POOR 697 15 19/POOR 853 16 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE 0 0 NW 20 WATSON LAKE NW 24 NW 37 WHITEHORSE SW 30 W 28 MAYO W 24 W 30 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 20/POOR 104 21 18/POOR 67 23 25/POOR 224 3 FRASER VLY 17/POOR 125 25 32/POOR 260 26 20/POOR 329 8 SRN VRISL 27/POOR 246 12 25/POOR 146 17 14/POOR 113 5 CNTRL VRISL 19/POOR 179 8 40/FAIR 323 11 26/POOR 320 4 NRN VRISL 13/POOR 59 9 17/POOR 141 11 44/FAIR 654 12 TERRACE 18/POOR 311 20 16/POOR 328 15 29/POOR 506 11 STEWART 13/POOR 38 21 13/POOR 51 18 14/POOR 61 21 FORECAST UPPER WINDS FOR THURSDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 27 NE 9 N 19 SANDSPIT N 33 NW 13 W 19 PORT HARDY S 11 NW 11 NW 20 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/