FPCN39 CWLW 021400 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER CENTRE OF ENVIRONMENT CANADA AT 7:00 AM PDT WEDNESDAY 2 AUGUST 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 53/FAIR 882 7 58/GOOD 1623 5 100/GOOD 1848 12 KAMLOOPS 100/GOOD 1223 11 100/GOOD 2301 6 100/GOOD 2342 11 OKANAGAN 90/GOOD 1159 14 100/GOOD 2259 7 100/GOOD 1914 10 CASTLEGAR 93/GOOD 1072 16 100/GOOD 2593 9 100/GOOD 2280 10 CRANBROOK 48/FAIR 1392 19 100/GOOD 3018 16 100/GOOD 3086 5 REVELSTOKE 68/GOOD 1103 10 100/GOOD 1906 9 72/GOOD 2670 4 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON W 9. W 24 W 28 CRANBROOK SW 13 SW 43 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 44/FAIR 818 21 82/GOOD 1723 10 100/GOOD 1809 18 100 MILE 56/GOOD 1371 14 100/GOOD 2692 13 100/GOOD 2444 17 WILLIAMS LK 31/POOR 1138 19 100/GOOD 2557 12 100/GOOD 2655 17 PUNTZI MNT 36/FAIR 1209 15 100/GOOD 2651 9 100/GOOD 2335 18 PR. GEORGE 40/FAIR 984 22 60/GOOD 1235 5 100/GOOD 2043 15 BURNS LAKE 91/GOOD 1242 22 90/GOOD 1876 10 100/GOOD 2161 12 SMITHERS 89/GOOD 1112 17 100/GOOD 2017 12 93/GOOD 1995 7 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE NW 43 W 33 SMITHERS W 22 W 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 58/GOOD 682 26 100/GOOD 1184 18 100/GOOD 1779 10 FT STJOHN 100/GOOD 1336 22 50/FAIR 1856 21 100/GOOD 2782 16 WHITEHORSE 45/FAIR 1018 19 95/GOOD 2183 8 100/GOOD 1960 14 DAWSON 21/POOR 498 11 100/GOOD 2264 25 100/GOOD 1952 17 WATSON LAKE 51/FAIR 978 23 100/GOOD 2158 15 100/GOOD 2101 11 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 22 SW 17 WATSON LAKE W 39 W 22 WHITEHORSE SW 28 SW 19 MAYO SW 19 SW 15 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 25/POOR 247 7 45/FAIR 363 8 38/FAIR 438 22 FRASER VLY 21/POOR 318 9 59/GOOD 933 11 64/GOOD 1209 10 SRN VRISL 28/POOR 211 21 45/FAIR 308 6 34/FAIR 395 9 CNTRL VRISL 44/FAIR 317 25 56/GOOD 891 5 61/GOOD 818 14 NRN VRISL 47/FAIR 322 22 95/GOOD 689 27 35/FAIR 252 22 TERRACE 45/FAIR 1082 5 100/GOOD 1682 8 100/GOOD 1836 9 STEWART 35/FAIR 366 11 61/GOOD 595 12 37/FAIR 570 9 FORECAST UPPER WINDS FOR WEDNESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER NW 14 W 24 W 33 SANDSPIT SW 22 SW 28 W 39 PORT HARDY NW 24 NW 28 NW 35 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/ $$$$^^