FPCN39 CWLW 021500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST WEDNESDAY 2 FEBRUARY 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 40/FAIR 493 21 75/GOOD 1301 5 73/GOOD 734 14 KAMLOOPS 14/POOR 384 24 75/GOOD 1301 5 58/GOOD 718 20 OKANAGAN 17/POOR 516 16 68/GOOD 1455 4 97/GOOD 1007 18 CASTLEGAR 33/POOR 795 14 50/FAIR 1429 5 93/GOOD 974 22 CRANBROOK 13/POOR 979 21 72/GOOD 1862 8 63/GOOD 1320 19 REVELSTOKE 36/FAIR 719 16 41/FAIR 978 5 100/GOOD 1244 19 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 28 W 48 CRANBROOK W 19 W 50 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 37/FAIR 863 19 34/FAIR 905 12 26/POOR 794 13 100 MILE 21/POOR 1082 23 36/FAIR 1335 11 100/GOOD 1581 19 WILLIAMS LK 43/FAIR 1357 21 13/POOR 966 13 17/POOR 1037 13 PUNTZI MNT 23/POOR 1109 23 27/POOR 1251 8 78/GOOD 1403 19 PR. GEORGE 18/POOR 780 20 22/POOR 1037 9 20/POOR 873 7 BURNS LAKE 20/POOR 811 27 25/POOR 975 10 34/FAIR 966 15 SMITHERS 16/POOR 588 21 21/POOR 756 7 33/POOR 761 16 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 24 NW 26 SMITHERS N 30 N 28 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 15/POOR 424 34 25/POOR 573 12 13/POOR 435 6 FT STJOHN 20/POOR 778 29 41/FAIR 1102 15 15/POOR 813 12 WHITEHORSE 38/FAIR 863 32 24/POOR 801 33 18/POOR 772 20 DAWSON 29/POOR 512 23 15/POOR 397 43 13/POOR 383 18 WATSON LAKE 13/POOR 716 14 16/POOR 768 7 13/POOR 770 7 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE NW 22 NW 35 WATSON LAKE W 46 W 37 WHITEHORSE SW 52 W 48 MAYO SW 56 W 83 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 194 19 21/POOR 424 3 46/FAIR 186 36 FRASER VLY 23/POOR 244 18 24/POOR 624 3 63/GOOD 427 21 SRN VRISL 19/POOR 154 18 22/POOR 476 6 30/POOR 172 19 CNTRL VRISL 18/POOR 132 16 29/POOR 829 5 79/GOOD 465 23 NRN VRISL 72/GOOD 501 27 61/GOOD 818 5 33/POOR 224 21 TERRACE 18/POOR 323 15 27/POOR 444 10 32/POOR 433 15 STEWART 14/POOR 56 20 13/POOR 51 18 13/POOR 45 24 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER W 20 W 20 W 35 SANDSPIT N 37 N 46 N 52 PORT HARDY NW 33 NW 37 NW 24 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/MtnWC $$$$^^